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authorJeff Garzik <jeff@garzik.org>2006-04-27 04:55:53 -0400
committerJeff Garzik <jeff@garzik.org>2006-04-27 04:55:53 -0400
commit7894eaf291238a62a565e9e9777483beeb00eeae (patch)
tree43c08830d2030d39d719f3f3d54a0e9b36554770 /drivers
parent9e73972cef1c0961c78b0e0b61c4ecc275b29f04 (diff)
parentacc696d93dcf993dec123d69d599979e1456ffec (diff)
Merge branch 'upstream' into irq-pio
Diffstat (limited to 'drivers')
-rw-r--r--drivers/base/topology.c2
-rw-r--r--drivers/char/cs5535_gpio.c5
-rw-r--r--drivers/char/drm/drmP.h5
-rw-r--r--drivers/char/drm/drm_agpsupport.c2
-rw-r--r--drivers/char/drm/drm_bufs.c5
-rw-r--r--drivers/char/drm/drm_drv.c4
-rw-r--r--drivers/char/drm/drm_memory.c134
-rw-r--r--drivers/char/drm/drm_memory.h128
-rw-r--r--drivers/char/drm/drm_memory_debug.h2
-rw-r--r--drivers/char/drm/drm_pci.c1
-rw-r--r--drivers/char/drm/drm_stub.c2
-rw-r--r--drivers/char/drm/r300_cmdbuf.c2
-rw-r--r--drivers/char/drm/via_irq.c12
-rw-r--r--drivers/char/ipmi/ipmi_bt_sm.c2
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c4
-rw-r--r--drivers/char/mem.c14
-rw-r--r--drivers/char/snsc.c3
-rw-r--r--drivers/char/sonypi.c3
-rw-r--r--drivers/char/tpm/Kconfig11
-rw-r--r--drivers/char/tpm/Makefile1
-rw-r--r--drivers/char/tpm/tpm.c786
-rw-r--r--drivers/char/tpm/tpm.h37
-rw-r--r--drivers/char/tpm/tpm_atmel.c58
-rw-r--r--drivers/char/tpm/tpm_atmel.h25
-rw-r--r--drivers/char/tpm/tpm_bios.c52
-rw-r--r--drivers/char/tpm/tpm_infineon.c61
-rw-r--r--drivers/char/tpm/tpm_nsc.c49
-rw-r--r--drivers/char/tpm/tpm_tis.c669
-rw-r--r--drivers/char/tty_io.c8
-rw-r--r--drivers/cpufreq/Kconfig2
-rw-r--r--drivers/cpufreq/cpufreq.c27
-rw-r--r--drivers/cpufreq/cpufreq_conservative.c6
-rw-r--r--drivers/i2c/busses/i2c-i801.c5
-rw-r--r--drivers/i2c/chips/m41t00.c8
-rw-r--r--drivers/ide/pci/alim15x3.c2
-rw-r--r--drivers/ide/pci/atiixp.c1
-rw-r--r--drivers/ide/pci/pdc202xx_old.c2
-rw-r--r--drivers/ide/setup-pci.c13
-rw-r--r--drivers/infiniband/core/mad.c5
-rw-r--r--drivers/infiniband/hw/ipath/ipath_diag.c12
-rw-r--r--drivers/infiniband/hw/ipath/ipath_driver.c2
-rw-r--r--drivers/infiniband/hw/ipath/ipath_intr.c4
-rw-r--r--drivers/infiniband/hw/ipath/ipath_kernel.h1
-rw-r--r--drivers/infiniband/hw/ipath/ipath_layer.c2
-rw-r--r--drivers/infiniband/hw/ipath/ipath_pe800.c10
-rw-r--r--drivers/infiniband/hw/ipath/ipath_qp.c124
-rw-r--r--drivers/infiniband/hw/ipath/ipath_ud.c4
-rw-r--r--drivers/infiniband/hw/ipath/ipath_verbs.c118
-rw-r--r--drivers/infiniband/hw/ipath/ipath_verbs.h5
-rw-r--r--drivers/infiniband/hw/mthca/mthca_mad.c2
-rw-r--r--drivers/infiniband/ulp/srp/ib_srp.c18
-rw-r--r--drivers/input/keyboard/hil_kbd.c2
-rw-r--r--drivers/isdn/gigaset/bas-gigaset.c597
-rw-r--r--drivers/isdn/gigaset/common.c3
-rw-r--r--drivers/isdn/gigaset/ev-layer.c3
-rw-r--r--drivers/isdn/gigaset/gigaset.h7
-rw-r--r--drivers/isdn/gigaset/i4l.c2
-rw-r--r--drivers/isdn/gigaset/isocdata.c10
-rw-r--r--drivers/macintosh/therm_adt746x.c4
-rw-r--r--drivers/md/md.c24
-rw-r--r--drivers/mmc/pxamci.c10
-rw-r--r--drivers/net/e1000/e1000_main.c1
-rw-r--r--drivers/net/forcedeth.c79
-rw-r--r--drivers/net/gianfar.c56
-rw-r--r--drivers/net/gianfar.h67
-rw-r--r--drivers/net/gianfar_ethtool.c20
-rw-r--r--drivers/net/gianfar_sysfs.c24
-rw-r--r--drivers/net/ne.c2
-rw-r--r--drivers/net/pcmcia/pcnet_cs.c1
-rw-r--r--drivers/net/sky2.c52
-rw-r--r--drivers/net/sky2.h2
-rw-r--r--drivers/net/sungem_phy.c11
-rw-r--r--drivers/net/wireless/Kconfig2
-rw-r--r--drivers/net/wireless/airo.c46
-rw-r--r--drivers/net/wireless/atmel.c11
-rw-r--r--drivers/net/wireless/bcm43xx/Kconfig3
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx.h17
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c8
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_dma.c13
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_dma.h8
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_main.c2
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_phy.c1
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_pio.c92
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_pio.h16
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_power.c115
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_power.h9
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c115
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_sysfs.h16
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_wx.c8
-rw-r--r--drivers/net/wireless/hostap/hostap_ioctl.c4
-rw-r--r--drivers/net/wireless/orinoco.c2
-rw-r--r--drivers/parisc/pdc_stable.c2
-rw-r--r--drivers/parisc/sba_iommu.c45
-rw-r--r--drivers/parisc/superio.c4
-rw-r--r--drivers/parport/parport_pc.c20
-rw-r--r--drivers/pci/quirks.c29
-rw-r--r--drivers/pcmcia/Kconfig2
-rw-r--r--drivers/pcmcia/ds.c16
-rw-r--r--drivers/pcmcia/pcmcia_resource.c18
-rw-r--r--drivers/pcmcia/pxa2xx_sharpsl.c8
-rw-r--r--drivers/pnp/manager.c4
-rw-r--r--drivers/scsi/ahci.c64
-rw-r--r--drivers/serial/m32r_sio.c1
-rw-r--r--drivers/usb/gadget/inode.c1
-rw-r--r--drivers/video/aty/radeon_base.c2
-rw-r--r--drivers/video/fbmem.c14
-rw-r--r--drivers/video/pm2fb.c4
-rw-r--r--drivers/video/savage/savagefb_driver.c8
108 files changed, 2930 insertions, 1237 deletions
diff --git a/drivers/base/topology.c b/drivers/base/topology.c
index 915810f6237..8c52421cbc5 100644
--- a/drivers/base/topology.c
+++ b/drivers/base/topology.c
@@ -107,7 +107,7 @@ static int __cpuinit topology_remove_dev(struct sys_device * sys_dev)
return 0;
}
-static int __cpuinit topology_cpu_callback(struct notifier_block *nfb,
+static int topology_cpu_callback(struct notifier_block *nfb,
unsigned long action, void *hcpu)
{
unsigned int cpu = (unsigned long)hcpu;
diff --git a/drivers/char/cs5535_gpio.c b/drivers/char/cs5535_gpio.c
index 5d72f50de1a..46d66037b91 100644
--- a/drivers/char/cs5535_gpio.c
+++ b/drivers/char/cs5535_gpio.c
@@ -241,9 +241,10 @@ static int __init cs5535_gpio_init(void)
static void __exit cs5535_gpio_cleanup(void)
{
dev_t dev_id = MKDEV(major, 0);
+
+ cdev_del(&cs5535_gpio_cdev);
unregister_chrdev_region(dev_id, CS5535_GPIO_COUNT);
- if (gpio_base != 0)
- release_region(gpio_base, CS5535_GPIO_SIZE);
+ release_region(gpio_base, CS5535_GPIO_SIZE);
}
module_init(cs5535_gpio_init);
diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h
index edc72a6348a..cb76e5ca9a2 100644
--- a/drivers/char/drm/drmP.h
+++ b/drivers/char/drm/drmP.h
@@ -815,8 +815,6 @@ extern int drm_mem_info(char *buf, char **start, off_t offset,
extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area);
extern void *drm_ioremap(unsigned long offset, unsigned long size,
drm_device_t * dev);
-extern void *drm_ioremap_nocache(unsigned long offset, unsigned long size,
- drm_device_t * dev);
extern void drm_ioremapfree(void *pt, unsigned long size, drm_device_t * dev);
extern DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type);
@@ -891,7 +889,6 @@ extern int drm_lock_free(drm_device_t * dev,
/* Buffer management support (drm_bufs.h) */
extern int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request);
extern int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request);
-extern int drm_addbufs_fb(drm_device_t *dev, drm_buf_desc_t *request);
extern int drm_addmap(drm_device_t * dev, unsigned int offset,
unsigned int size, drm_map_type_t type,
drm_map_flags_t flags, drm_local_map_t ** map_ptr);
@@ -1022,11 +1019,13 @@ static __inline__ void drm_core_ioremap(struct drm_map *map,
map->handle = drm_ioremap(map->offset, map->size, dev);
}
+#if 0
static __inline__ void drm_core_ioremap_nocache(struct drm_map *map,
struct drm_device *dev)
{
map->handle = drm_ioremap_nocache(map->offset, map->size, dev);
}
+#endif /* 0 */
static __inline__ void drm_core_ioremapfree(struct drm_map *map,
struct drm_device *dev)
diff --git a/drivers/char/drm/drm_agpsupport.c b/drivers/char/drm/drm_agpsupport.c
index fabc930c67a..40bfd9b01e3 100644
--- a/drivers/char/drm/drm_agpsupport.c
+++ b/drivers/char/drm/drm_agpsupport.c
@@ -503,8 +503,6 @@ int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start)
return agp_bind_memory(handle, start);
}
-EXPORT_SYMBOL(drm_agp_bind_memory);
-
/** Calls agp_unbind_memory() */
int drm_agp_unbind_memory(DRM_AGP_MEM * handle)
{
diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c
index 8a9cf12e618..006b06d2972 100644
--- a/drivers/char/drm/drm_bufs.c
+++ b/drivers/char/drm/drm_bufs.c
@@ -386,7 +386,6 @@ int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map)
return 0;
}
-EXPORT_SYMBOL(drm_rmmap_locked);
int drm_rmmap(drm_device_t *dev, drm_local_map_t *map)
{
@@ -398,7 +397,6 @@ int drm_rmmap(drm_device_t *dev, drm_local_map_t *map)
return ret;
}
-EXPORT_SYMBOL(drm_rmmap);
/* The rmmap ioctl appears to be unnecessary. All mappings are torn down on
* the last close of the device, and this is necessary for cleanup when things
@@ -1053,7 +1051,7 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
return 0;
}
-int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
+static int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
{
drm_device_dma_t *dma = dev->dma;
drm_buf_entry_t *entry;
@@ -1212,7 +1210,6 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
atomic_dec(&dev->buf_alloc);
return 0;
}
-EXPORT_SYMBOL(drm_addbufs_fb);
/**
diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c
index dc6bbe8a18d..3c0b882a8e7 100644
--- a/drivers/char/drm/drm_drv.c
+++ b/drivers/char/drm/drm_drv.c
@@ -75,8 +75,8 @@ static drm_ioctl_desc_t drm_ioctls[] = {
[DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = {drm_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = {drm_getsareactx, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = {drm_addctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
- [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = {drm_rmctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = {drm_addctx, DRM_AUTH|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = {drm_rmctx, DRM_AUTH|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = {drm_modctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = {drm_getctx, DRM_AUTH},
[DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = {drm_switchctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
diff --git a/drivers/char/drm/drm_memory.c b/drivers/char/drm/drm_memory.c
index dddf8de6614..7e3318e1d1c 100644
--- a/drivers/char/drm/drm_memory.c
+++ b/drivers/char/drm/drm_memory.c
@@ -80,6 +80,71 @@ void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area)
}
#if __OS_HAS_AGP
+/*
+ * Find the drm_map that covers the range [offset, offset+size).
+ */
+static drm_map_t *drm_lookup_map(unsigned long offset,
+ unsigned long size, drm_device_t * dev)
+{
+ struct list_head *list;
+ drm_map_list_t *r_list;
+ drm_map_t *map;
+
+ list_for_each(list, &dev->maplist->head) {
+ r_list = (drm_map_list_t *) list;
+ map = r_list->map;
+ if (!map)
+ continue;
+ if (map->offset <= offset
+ && (offset + size) <= (map->offset + map->size))
+ return map;
+ }
+ return NULL;
+}
+
+static void *agp_remap(unsigned long offset, unsigned long size,
+ drm_device_t * dev)
+{
+ unsigned long *phys_addr_map, i, num_pages =
+ PAGE_ALIGN(size) / PAGE_SIZE;
+ struct drm_agp_mem *agpmem;
+ struct page **page_map;
+ void *addr;
+
+ size = PAGE_ALIGN(size);
+
+#ifdef __alpha__
+ offset -= dev->hose->mem_space->start;
+#endif
+
+ for (agpmem = dev->agp->memory; agpmem; agpmem = agpmem->next)
+ if (agpmem->bound <= offset
+ && (agpmem->bound + (agpmem->pages << PAGE_SHIFT)) >=
+ (offset + size))
+ break;
+ if (!agpmem)
+ return NULL;
+
+ /*
+ * OK, we're mapping AGP space on a chipset/platform on which memory accesses by
+ * the CPU do not get remapped by the GART. We fix this by using the kernel's
+ * page-table instead (that's probably faster anyhow...).
+ */
+ /* note: use vmalloc() because num_pages could be large... */
+ page_map = vmalloc(num_pages * sizeof(struct page *));
+ if (!page_map)
+ return NULL;
+
+ phys_addr_map =
+ agpmem->memory->memory + (offset - agpmem->bound) / PAGE_SIZE;
+ for (i = 0; i < num_pages; ++i)
+ page_map[i] = pfn_to_page(phys_addr_map[i] >> PAGE_SHIFT);
+ addr = vmap(page_map, num_pages, VM_IOREMAP, PAGE_AGP);
+ vfree(page_map);
+
+ return addr;
+}
+
/** Wrapper around agp_allocate_memory() */
DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type)
{
@@ -103,5 +168,74 @@ int drm_unbind_agp(DRM_AGP_MEM * handle)
{
return drm_agp_unbind_memory(handle);
}
+
+#else /* __OS_HAS_AGP */
+
+static inline drm_map_t *drm_lookup_map(unsigned long offset,
+ unsigned long size, drm_device_t * dev)
+{
+ return NULL;
+}
+
+static inline void *agp_remap(unsigned long offset, unsigned long size,
+ drm_device_t * dev)
+{
+ return NULL;
+}
+
#endif /* agp */
+
+void *drm_ioremap(unsigned long offset, unsigned long size,
+ drm_device_t * dev)
+{
+ if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture) {
+ drm_map_t *map = drm_lookup_map(offset, size, dev);
+
+ if (map && map->type == _DRM_AGP)
+ return agp_remap(offset, size, dev);
+ }
+ return ioremap(offset, size);
+}
+EXPORT_SYMBOL(drm_ioremap);
+
+#if 0
+void *drm_ioremap_nocache(unsigned long offset,
+ unsigned long size, drm_device_t * dev)
+{
+ if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture) {
+ drm_map_t *map = drm_lookup_map(offset, size, dev);
+
+ if (map && map->type == _DRM_AGP)
+ return agp_remap(offset, size, dev);
+ }
+ return ioremap_nocache(offset, size);
+}
+#endif /* 0 */
+
+void drm_ioremapfree(void *pt, unsigned long size,
+ drm_device_t * dev)
+{
+ /*
+ * This is a bit ugly. It would be much cleaner if the DRM API would use separate
+ * routines for handling mappings in the AGP space. Hopefully this can be done in
+ * a future revision of the interface...
+ */
+ if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture
+ && ((unsigned long)pt >= VMALLOC_START
+ && (unsigned long)pt < VMALLOC_END)) {
+ unsigned long offset;
+ drm_map_t *map;
+
+ offset = drm_follow_page(pt) | ((unsigned long)pt & ~PAGE_MASK);
+ map = drm_lookup_map(offset, size, dev);
+ if (map && map->type == _DRM_AGP) {
+ vunmap(pt);
+ return;
+ }
+ }
+
+ iounmap(pt);
+}
+EXPORT_SYMBOL(drm_ioremapfree);
+
#endif /* debug_memory */
diff --git a/drivers/char/drm/drm_memory.h b/drivers/char/drm/drm_memory.h
index 3732a61c376..714d9aedcff 100644
--- a/drivers/char/drm/drm_memory.h
+++ b/drivers/char/drm/drm_memory.h
@@ -57,71 +57,6 @@
# endif
#endif
-/*
- * Find the drm_map that covers the range [offset, offset+size).
- */
-static inline drm_map_t *drm_lookup_map(unsigned long offset,
- unsigned long size, drm_device_t * dev)
-{
- struct list_head *list;
- drm_map_list_t *r_list;
- drm_map_t *map;
-
- list_for_each(list, &dev->maplist->head) {
- r_list = (drm_map_list_t *) list;
- map = r_list->map;
- if (!map)
- continue;
- if (map->offset <= offset
- && (offset + size) <= (map->offset + map->size))
- return map;
- }
- return NULL;
-}
-
-static inline void *agp_remap(unsigned long offset, unsigned long size,
- drm_device_t * dev)
-{
- unsigned long *phys_addr_map, i, num_pages =
- PAGE_ALIGN(size) / PAGE_SIZE;
- struct drm_agp_mem *agpmem;
- struct page **page_map;
- void *addr;
-
- size = PAGE_ALIGN(size);
-
-#ifdef __alpha__
- offset -= dev->hose->mem_space->start;
-#endif
-
- for (agpmem = dev->agp->memory; agpmem; agpmem = agpmem->next)
- if (agpmem->bound <= offset
- && (agpmem->bound + (agpmem->pages << PAGE_SHIFT)) >=
- (offset + size))
- break;
- if (!agpmem)
- return NULL;
-
- /*
- * OK, we're mapping AGP space on a chipset/platform on which memory accesses by
- * the CPU do not get remapped by the GART. We fix this by using the kernel's
- * page-table instead (that's probably faster anyhow...).
- */
- /* note: use vmalloc() because num_pages could be large... */
- page_map = vmalloc(num_pages * sizeof(struct page *));
- if (!page_map)
- return NULL;
-
- phys_addr_map =
- agpmem->memory->memory + (offset - agpmem->bound) / PAGE_SIZE;
- for (i = 0; i < num_pages; ++i)
- page_map[i] = pfn_to_page(phys_addr_map[i] >> PAGE_SHIFT);
- addr = vmap(page_map, num_pages, VM_IOREMAP, PAGE_AGP);
- vfree(page_map);
-
- return addr;
-}
-
static inline unsigned long drm_follow_page(void *vaddr)
{
pgd_t *pgd = pgd_offset_k((unsigned long)vaddr);
@@ -133,18 +68,6 @@ static inline unsigned long drm_follow_page(void *vaddr)
#else /* __OS_HAS_AGP */
-static inline drm_map_t *drm_lookup_map(unsigned long offset,
- unsigned long size, drm_device_t * dev)
-{
- return NULL;
-}
-
-static inline void *agp_remap(unsigned long offset, unsigned long size,
- drm_device_t * dev)
-{
- return NULL;
-}
-
static inline unsigned long drm_follow_page(void *vaddr)
{
return 0;
@@ -152,51 +75,8 @@ static inline unsigned long drm_follow_page(void *vaddr)
#endif
-static inline void *drm_ioremap(unsigned long offset, unsigned long size,
- drm_device_t * dev)
-{
- if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture) {
- drm_map_t *map = drm_lookup_map(offset, size, dev);
-
- if (map && map->type == _DRM_AGP)
- return agp_remap(offset, size, dev);
- }
- return ioremap(offset, size);
-}
-
-static inline void *drm_ioremap_nocache(unsigned long offset,
- unsigned long size, drm_device_t * dev)
-{
- if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture) {
- drm_map_t *map = drm_lookup_map(offset, size, dev);
-
- if (map && map->type == _DRM_AGP)
- return agp_remap(offset, size, dev);
- }
- return ioremap_nocache(offset, size);
-}
-
-static inline void drm_ioremapfree(void *pt, unsigned long size,
- drm_device_t * dev)
-{
- /*
- * This is a bit ugly. It would be much cleaner if the DRM API would use separate
- * routines for handling mappings in the AGP space. Hopefully this can be done in
- * a future revision of the interface...
- */
- if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture
- && ((unsigned long)pt >= VMALLOC_START
- && (unsigned long)pt < VMALLOC_END)) {
- unsigned long offset;
- drm_map_t *map;
-
- offset = drm_follow_page(pt) | ((unsigned long)pt & ~PAGE_MASK);
- map = drm_lookup_map(offset, size, dev);
- if (map && map->type == _DRM_AGP) {
- vunmap(pt);
- return;
- }
- }
+void *drm_ioremap(unsigned long offset, unsigned long size,
+ drm_device_t * dev);
- iounmap(pt);
-}
+void drm_ioremapfree(void *pt, unsigned long size,
+ drm_device_t * dev);
diff --git a/drivers/char/drm/drm_memory_debug.h b/drivers/char/drm/drm_memory_debug.h
index 7868341817d..6543b9a14c4 100644
--- a/drivers/char/drm/drm_memory_debug.h
+++ b/drivers/char/drm/drm_memory_debug.h
@@ -229,6 +229,7 @@ void *drm_ioremap (unsigned long offset, unsigned long size,
return pt;
}
+#if 0
void *drm_ioremap_nocache (unsigned long offset, unsigned long size,
drm_device_t * dev) {
void *pt;
@@ -251,6 +252,7 @@ void *drm_ioremap_nocache (unsigned long offset, unsigned long size,
spin_unlock(&drm_mem_lock);
return pt;
}
+#endif /* 0 */
void drm_ioremapfree (void *pt, unsigned long size, drm_device_t * dev) {
int alloc_count;
diff --git a/drivers/char/drm/drm_pci.c b/drivers/char/drm/drm_pci.c
index b28ca9cea8a..86a0f1c2209 100644
--- a/drivers/char/drm/drm_pci.c
+++ b/drivers/char/drm/drm_pci.c
@@ -37,6 +37,7 @@
*/
#include <linux/pci.h>
+#include <linux/dma-mapping.h>
#include "drmP.h"
/**********************************************************************/
diff --git a/drivers/char/drm/drm_stub.c b/drivers/char/drm/drm_stub.c
index 68073e14fde..9a842a36bb2 100644
--- a/drivers/char/drm/drm_stub.c
+++ b/drivers/char/drm/drm_stub.c
@@ -229,8 +229,6 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
return ret;
}
-EXPORT_SYMBOL(drm_get_dev);
-
/**
* Put a device minor number.
*
diff --git a/drivers/char/drm/r300_cmdbuf.c b/drivers/char/drm/r300_cmdbuf.c
index b108c7f913b..26bdf2ca59d 100644
--- a/drivers/char/drm/r300_cmdbuf.c
+++ b/drivers/char/drm/r300_cmdbuf.c
@@ -723,7 +723,7 @@ static int r300_scratch(drm_radeon_private_t *dev_priv,
dev_priv->scratch_ages[header.scratch.reg]++;
- ref_age_base = *(u32 **)cmdbuf->buf;
+ ref_age_base = (u32 *)(unsigned long)*((uint64_t *)cmdbuf->buf);
cmdbuf->buf += sizeof(u64);
cmdbuf->bufsz -= sizeof(u64);
diff --git a/drivers/char/drm/via_irq.c b/drivers/char/drm/via_irq.c
index 6152415644e..c33d068cde1 100644
--- a/drivers/char/drm/via_irq.c
+++ b/drivers/char/drm/via_irq.c
@@ -196,9 +196,9 @@ via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence,
{
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
unsigned int cur_irq_sequence;
- drm_via_irq_t *cur_irq = dev_priv->via_irqs;
+ drm_via_irq_t *cur_irq;
int ret = 0;
- maskarray_t *masks = dev_priv->irq_masks;
+ maskarray_t *masks;
int real_irq;
DRM_DEBUG("%s\n", __FUNCTION__);
@@ -221,8 +221,9 @@ via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence,
__FUNCTION__, irq);
return DRM_ERR(EINVAL);
}
-
- cur_irq += real_irq;
+
+ masks = dev_priv->irq_masks;
+ cur_irq = dev_priv->via_irqs + real_irq;
if (masks[real_irq][2] && !force_sequence) {
DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ,
@@ -247,11 +248,12 @@ void via_driver_irq_preinstall(drm_device_t * dev)
{
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
u32 status;
- drm_via_irq_t *cur_irq = dev_priv->via_irqs;
+ drm_via_irq_t *cur_irq;
int i;
DRM_DEBUG("driver_irq_preinstall: dev_priv: %p\n", dev_priv);
if (dev_priv) {
+ cur_irq = dev_priv->via_irqs;
dev_priv->irq_enable_mask = VIA_IRQ_VBLANK_ENABLE;
dev_priv->irq_pending_mask = VIA_IRQ_VBLANK_PENDING;
diff --git a/drivers/char/ipmi/ipmi_bt_sm.c b/drivers/char/ipmi/ipmi_bt_sm.c
index 58dcdee1cd7..0030cd8e2e9 100644
--- a/drivers/char/ipmi/ipmi_bt_sm.c
+++ b/drivers/char/ipmi/ipmi_bt_sm.c
@@ -165,7 +165,7 @@ static int bt_start_transaction(struct si_sm_data *bt,
{
unsigned int i;
- if ((size < 2) || (size > IPMI_MAX_MSG_LENGTH))
+ if ((size < 2) || (size > (IPMI_MAX_MSG_LENGTH - 2)))
return -1;
if ((bt->state != BT_STATE_IDLE) && (bt->state != BT_STATE_HOSED))
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index a86c0f29953..b36eef0e9d1 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2198,11 +2198,11 @@ static inline void wait_for_timer_and_thread(struct smi_info *smi_info)
}
}
-static struct ipmi_default_vals
+static __devinitdata struct ipmi_default_vals
{
int type;
int port;
-} __devinit ipmi_defaults[] =
+} ipmi_defaults[] =
{
{ .type = SI_KCS, .port = 0xca2 },
{ .type = SI_SMIC, .port = 0xca9 },
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 66719f9d294..1fa9fa157c1 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -27,6 +27,7 @@
#include <linux/crash_dump.h>
#include <linux/backing-dev.h>
#include <linux/bootmem.h>
+#include <linux/pipe_fs_i.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@@ -578,6 +579,18 @@ static ssize_t write_null(struct file * file, const char __user * buf,
return count;
}
+static int pipe_to_null(struct pipe_inode_info *info, struct pipe_buffer *buf,
+ struct splice_desc *sd)
+{
+ return sd->len;
+}
+
+static ssize_t splice_write_null(struct pipe_inode_info *pipe,struct file *out,
+ loff_t *ppos, size_t len, unsigned int flags)
+{
+ return splice_from_pipe(pipe, out, ppos, len, flags, pipe_to_null);
+}
+
#ifdef CONFIG_MMU
/*
* For fun, we are using the MMU for this.
@@ -785,6 +798,7 @@ static struct file_operations null_fops = {
.llseek = null_lseek,
.read = read_null,
.write = write_null,
+ .splice_write = splice_write_null,
};
#if defined(CONFIG_ISA) || !defined(__mc68000__)
diff --git a/drivers/char/snsc.c b/drivers/char/snsc.c
index b543821d8cb..56c8243cdb7 100644
--- a/drivers/char/snsc.c
+++ b/drivers/char/snsc.c
@@ -390,7 +390,8 @@ scdrv_init(void)
format_module_id(devnamep, geo_module(geoid),
MODULE_FORMAT_BRIEF);
devnamep = devname + strlen(devname);
- sprintf(devnamep, "#%d", geo_slab(geoid));
+ sprintf(devnamep, "^%d#%d", geo_slot(geoid),
+ geo_slab(geoid));
/* allocate sysctl device data */
scd = kzalloc(sizeof (struct sysctl_data_s),
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index f8dd8527c6a..a90f5d97df3 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -1341,6 +1341,9 @@ static int __devinit sonypi_probe(struct platform_device *dev)
else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
+ else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
+ sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
else
sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig
index a6873bf89ff..1efde3b2761 100644
--- a/drivers/char/tpm/Kconfig
+++ b/drivers/char/tpm/Kconfig
@@ -20,9 +20,18 @@ config TCG_TPM
Note: For more TPM drivers enable CONFIG_PNP, CONFIG_ACPI
and CONFIG_PNPACPI.
+config TCG_TIS
+ tristate "TPM Interface Specification 1.2 Interface"
+ depends on TCG_TPM
+ ---help---
+ If you have a TPM security chip that is compliant with the
+ TCG TIS 1.2 TPM specification say Yes and it will be accessible
+ from within Linux. To compile this driver as a module, choose
+ M here; the module will be called tpm_tis.
+
config TCG_NSC
tristate "National Semiconductor TPM Interface"
- depends on TCG_TPM
+ depends on TCG_TPM && PNPACPI
---help---
If you have a TPM security chip from National Semicondutor
say Yes and it will be accessible from within Linux. To
diff --git a/drivers/char/tpm/Makefile b/drivers/char/tpm/Makefile
index ba4582d160f..ea3a1e02a82 100644
--- a/drivers/char/tpm/Makefile
+++ b/drivers/char/tpm/Makefile
@@ -5,6 +5,7 @@ obj-$(CONFIG_TCG_TPM) += tpm.o
ifdef CONFIG_ACPI
obj-$(CONFIG_TCG_TPM) += tpm_bios.o
endif
+obj-$(CONFIG_TCG_TIS) += tpm_tis.o
obj-$(CONFIG_TCG_NSC) += tpm_nsc.o
obj-$(CONFIG_TCG_ATMEL) += tpm_atmel.o
obj-$(CONFIG_TCG_INFINEON) += tpm_infineon.o
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 5a3870477ef..6889e7db3af 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -32,12 +32,291 @@ enum tpm_const {
TPM_MINOR = 224, /* officially assigned */
TPM_BUFSIZE = 2048,
TPM_NUM_DEVICES = 256,
- TPM_NUM_MASK_ENTRIES = TPM_NUM_DEVICES / (8 * sizeof(int))
};
+enum tpm_duration {
+ TPM_SHORT = 0,
+ TPM_MEDIUM = 1,
+ TPM_LONG = 2,
+ TPM_UNDEFINED,
+};
+
+#define TPM_MAX_ORDINAL 243
+#define TPM_MAX_PROTECTED_ORDINAL 12
+#define TPM_PROTECTED_ORDINAL_MASK 0xFF
+
static LIST_HEAD(tpm_chip_list);
static DEFINE_SPINLOCK(driver_lock);
-static int dev_mask[TPM_NUM_MASK_ENTRIES];
+static DECLARE_BITMAP(dev_mask, TPM_NUM_DEVICES);
+
+/*
+ * Array with one entry per ordinal defining the maximum amount
+ * of time the chip could take to return the result. The ordinal
+ * designation of short, medium or long is defined in a table in
+ * TCG Specification TPM Main Part 2 TPM Structures Section 17. The
+ * values of the SHORT, MEDIUM, and LONG durations are retrieved
+ * from the chip during initialization with a call to tpm_get_timeouts.
+ */
+static const u8 tpm_protected_ordinal_duration[TPM_MAX_PROTECTED_ORDINAL] = {
+ TPM_UNDEFINED, /* 0 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED, /* 5 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_SHORT, /* 10 */
+ TPM_SHORT,
+};
+
+static const u8 tpm_ordinal_duration[TPM_MAX_ORDINAL] = {
+ TPM_UNDEFINED, /* 0 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED, /* 5 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_SHORT, /* 10 */
+ TPM_SHORT,
+ TPM_MEDIUM,
+ TPM_LONG,
+ TPM_LONG,
+ TPM_MEDIUM, /* 15 */
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_MEDIUM,
+ TPM_LONG,
+ TPM_SHORT, /* 20 */
+ TPM_SHORT,
+ TPM_MEDIUM,
+ TPM_MEDIUM,
+ TPM_MEDIUM,
+ TPM_SHORT, /* 25 */
+ TPM_SHORT,
+ TPM_MEDIUM,
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_MEDIUM, /* 30 */
+ TPM_LONG,
+ TPM_MEDIUM,
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_SHORT, /* 35 */
+ TPM_MEDIUM,
+ TPM_MEDIUM,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_MEDIUM, /* 40 */
+ TPM_LONG,
+ TPM_MEDIUM,
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_SHORT, /* 45 */
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_LONG,
+ TPM_MEDIUM, /* 50 */
+ TPM_MEDIUM,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED, /* 55 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_MEDIUM, /* 60 */
+ TPM_MEDIUM,
+ TPM_MEDIUM,
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_MEDIUM, /* 65 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_SHORT, /* 70 */
+ TPM_SHORT,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED, /* 75 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_LONG, /* 80 */
+ TPM_UNDEFINED,
+ TPM_MEDIUM,
+ TPM_LONG,
+ TPM_SHORT,
+ TPM_UNDEFINED, /* 85 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_SHORT, /* 90 */
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_UNDEFINED, /* 95 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_MEDIUM, /* 100 */
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED, /* 105 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_SHORT, /* 110 */
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_SHORT, /* 115 */
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_LONG, /* 120 */
+ TPM_LONG,
+ TPM_MEDIUM,
+ TPM_UNDEFINED,
+ TPM_SHORT,
+ TPM_SHORT, /* 125 */
+ TPM_SHORT,
+ TPM_LONG,
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_SHORT, /* 130 */
+ TPM_MEDIUM,
+ TPM_UNDEFINED,
+ TPM_SHORT,
+ TPM_MEDIUM,
+ TPM_UNDEFINED, /* 135 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_SHORT, /* 140 */
+ TPM_SHORT,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED, /* 145 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_SHORT, /* 150 */
+ TPM_MEDIUM,
+ TPM_MEDIUM,
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_UNDEFINED, /* 155 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_SHORT, /* 160 */
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED, /* 165 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_LONG, /* 170 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED, /* 175 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_MEDIUM, /* 180 */
+ TPM_SHORT,
+ TPM_MEDIUM,
+ TPM_MEDIUM,
+ TPM_MEDIUM,
+ TPM_MEDIUM, /* 185 */
+ TPM_SHORT,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED, /* 190 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED, /* 195 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_SHORT, /* 200 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_SHORT,
+ TPM_SHORT, /* 205 */
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_MEDIUM, /* 210 */
+ TPM_UNDEFINED,
+ TPM_MEDIUM,
+ TPM_MEDIUM,
+ TPM_MEDIUM,
+ TPM_UNDEFINED, /* 215 */
+ TPM_MEDIUM,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_SHORT,
+ TPM_SHORT, /* 220 */
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_SHORT,
+ TPM_UNDEFINED, /* 225 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_SHORT, /* 230 */
+ TPM_LONG,
+ TPM_MEDIUM,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED, /* 235 */
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_UNDEFINED,
+ TPM_SHORT, /* 240 */
+ TPM_UNDEFINED,
+ TPM_MEDIUM,
+};
static void user_reader_timeout(unsigned long ptr)
{
@@ -46,7 +325,7 @@ static void user_reader_timeout(unsigned long ptr)
schedule_work(&chip->work);
}
-static void timeout_work(void * ptr)
+static void timeout_work(void *ptr)
{
struct tpm_chip *chip = ptr;
@@ -57,17 +336,43 @@ static void timeout_work(void * ptr)
}
/*
+ * Returns max number of jiffies to wait
+ */
+unsigned long tpm_calc_ordinal_duration(struct tpm_chip *chip,
+ u32 ordinal)
+{
+ int duration_idx = TPM_UNDEFINED;
+ int duration = 0;
+
+ if (ordinal < TPM_MAX_ORDINAL)
+ duration_idx = tpm_ordinal_duration[ordinal];
+ else if ((ordinal & TPM_PROTECTED_ORDINAL_MASK) <
+ TPM_MAX_PROTECTED_ORDINAL)
+ duration_idx =
+ tpm_protected_ordinal_duration[ordinal &
+ TPM_PROTECTED_ORDINAL_MASK];
+
+ if (duration_idx != TPM_UNDEFINED)
+ duration = chip->vendor.duration[duration_idx];
+ if (duration <= 0)
+ return 2 * 60 * HZ;
+ else
+ return duration;
+}
+EXPORT_SYMBOL_GPL(tpm_calc_ordinal_duration);
+
+/*
* Internal kernel interface to transmit TPM commands
*/
static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
size_t bufsiz)
{
ssize_t rc;
- u32 count;
+ u32 count, ordinal;
unsigned long stop;
count = be32_to_cpu(*((__be32 *) (buf + 2)));
-
+ ordinal = be32_to_cpu(*((__be32 *) (buf + 6)));
if (count == 0)
return -ENODATA;
if (count > bufsiz) {
@@ -78,21 +383,23 @@ static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
down(&chip->tpm_mutex);
- if ((rc = chip->vendor->send(chip, (u8 *) buf, count)) < 0) {
+ if ((rc = chip->vendor.send(chip, (u8 *) buf, count)) < 0) {
dev_err(chip->dev,
"tpm_transmit: tpm_send: error %zd\n", rc);
goto out;
}
- stop = jiffies + 2 * 60 * HZ;
+ if (chip->vendor.irq)
+ goto out_recv;
+
+ stop = jiffies + tpm_calc_ordinal_duration(chip, ordinal);
do {
- u8 status = chip->vendor->status(chip);
- if ((status & chip->vendor->req_complete_mask) ==
- chip->vendor->req_complete_val) {
+ u8 status = chip->vendor.status(chip);
+ if ((status & chip->vendor.req_complete_mask) ==
+ chip->vendor.req_complete_val)
goto out_recv;
- }
- if ((status == chip->vendor->req_canceled)) {
+ if ((status == chip->vendor.req_canceled)) {
dev_err(chip->dev, "Operation Canceled\n");
rc = -ECANCELED;
goto out;
@@ -102,14 +409,13 @@ static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
rmb();
} while (time_before(jiffies, stop));
-
- chip->vendor->cancel(chip);
+ chip->vendor.cancel(chip);
dev_err(chip->dev, "Operation Timed out\n");
rc = -ETIME;
goto out;
out_recv:
- rc = chip->vendor->recv(chip, (u8 *) buf, bufsiz);
+ rc = chip->vendor.recv(chip, (u8 *) buf, bufsiz);
if (rc < 0)
dev_err(chip->dev,
"tpm_transmit: tpm_recv: error %zd\n", rc);
@@ -119,17 +425,247 @@ out:
}
#define TPM_DIGEST_SIZE 20
-#define CAP_PCR_RESULT_SIZE 18
-static const u8 cap_pcr[] = {
+#define TPM_ERROR_SIZE 10
+#define TPM_RET_CODE_IDX 6
+#define TPM_GET_CAP_RET_SIZE_IDX 10
+#define TPM_GET_CAP_RET_UINT32_1_IDX 14
+#define TPM_GET_CAP_RET_UINT32_2_IDX 18
+#define TPM_GET_CAP_RET_UINT32_3_IDX 22
+#define TPM_GET_CAP_RET_UINT32_4_IDX 26
+#define TPM_GET_CAP_PERM_DISABLE_IDX 16
+#define TPM_GET_CAP_PERM_INACTIVE_IDX 18
+#define TPM_GET_CAP_RET_BOOL_1_IDX 14
+#define TPM_GET_CAP_TEMP_INACTIVE_IDX 16
+
+#define TPM_CAP_IDX 13
+#define TPM_CAP_SUBCAP_IDX 21
+
+enum tpm_capabilities {
+ TPM_CAP_FLAG = 4,
+ TPM_CAP_PROP = 5,
+};
+
+enum tpm_sub_capabilities {
+ TPM_CAP_PROP_PCR = 0x1,
+ TPM_CAP_PROP_MANUFACTURER = 0x3,
+ TPM_CAP_FLAG_PERM = 0x8,
+ TPM_CAP_FLAG_VOL = 0x9,
+ TPM_CAP_PROP_OWNER = 0x11,
+ TPM_CAP_PROP_TIS_TIMEOUT = 0x15,
+ TPM_CAP_PROP_TIS_DURATION = 0x20,
+};
+
+/*
+ * This is a semi generic GetCapability command for use
+ * with the capability type TPM_CAP_PROP or TPM_CAP_FLAG
+ * and their associated sub_capabilities.
+ */
+
+static const u8 tpm_cap[] = {
0, 193, /* TPM_TAG_RQU_COMMAND */
0, 0, 0, 22, /* length */
0, 0, 0, 101, /* TPM_ORD_GetCapability */
- 0, 0, 0, 5,
- 0, 0, 0, 4,
- 0, 0, 1, 1
+ 0, 0, 0, 0, /* TPM_CAP_<TYPE> */
+ 0, 0, 0, 4, /* TPM_CAP_SUB_<TYPE> size */
+ 0, 0, 1, 0 /* TPM_CAP_SUB_<TYPE> */
};
-#define READ_PCR_RESULT_SIZE 30
+static ssize_t transmit_cmd(struct tpm_chip *chip, u8 *data, int len,
+ char *desc)
+{
+ int err;
+
+ len = tpm_transmit(chip, data, len);
+ if (len < 0)
+ return len;
+ if (len == TPM_ERROR_SIZE) {
+ err = be32_to_cpu(*((__be32 *) (data + TPM_RET_CODE_IDX)));
+ dev_dbg(chip->dev, "A TPM error (%d) occurred %s\n", err, desc);
+ return err;
+ }
+ return 0;
+}
+
+void tpm_gen_interrupt(struct tpm_chip *chip)
+{
+ u8 data[max_t(int, ARRAY_SIZE(tpm_cap), 30)];
+ ssize_t rc;
+
+ memcpy(data, tpm_cap, sizeof(tpm_cap));
+ data[TPM_CAP_IDX] = TPM_CAP_PROP;
+ data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_PROP_TIS_TIMEOUT;
+
+ rc = transmit_cmd(chip, data, sizeof(data),
+ "attempting to determine the timeouts");
+}
+EXPORT_SYMBOL_GPL(tpm_gen_interrupt);
+
+void tpm_get_timeouts(struct tpm_chip *chip)
+{
+ u8 data[max_t(int, ARRAY_SIZE(tpm_cap), 30)];
+ ssize_t rc;
+ u32 timeout;
+
+ memcpy(data, tpm_cap, sizeof(tpm_cap));
+ data[TPM_CAP_IDX] = TPM_CAP_PROP;
+ data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_PROP_TIS_TIMEOUT;
+
+ rc = transmit_cmd(chip, data, sizeof(data),
+ "attempting to determine the timeouts");
+ if (rc)
+ goto duration;
+
+ if (be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_SIZE_IDX)))
+ != 4 * sizeof(u32))
+ goto duration;
+
+ /* Don't overwrite default if value is 0 */
+ timeout =
+ be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_1_IDX)));
+ if (timeout)
+ chip->vendor.timeout_a = msecs_to_jiffies(timeout);
+ timeout =
+ be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_2_IDX)));
+ if (timeout)
+ chip->vendor.timeout_b = msecs_to_jiffies(timeout);
+ timeout =
+ be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_3_IDX)));
+ if (timeout)
+ chip->vendor.timeout_c = msecs_to_jiffies(timeout);
+ timeout =
+ be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_4_IDX)));
+ if (timeout)
+ chip->vendor.timeout_d = msecs_to_jiffies(timeout);
+
+duration:
+ memcpy(data, tpm_cap, sizeof(tpm_cap));
+ data[TPM_CAP_IDX] = TPM_CAP_PROP;
+ data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_PROP_TIS_DURATION;
+
+ rc = transmit_cmd(chip, data, sizeof(data),
+ "attempting to determine the durations");
+ if (rc)
+ return;
+
+ if (be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_SIZE_IDX)))
+ != 3 * sizeof(u32))
+ return;
+
+ chip->vendor.duration[TPM_SHORT] =
+ msecs_to_jiffies(be32_to_cpu
+ (*((__be32 *) (data +
+ TPM_GET_CAP_RET_UINT32_1_IDX))));
+ chip->vendor.duration[TPM_MEDIUM] =
+ msecs_to_jiffies(be32_to_cpu
+ (*((__be32 *) (data +
+ TPM_GET_CAP_RET_UINT32_2_IDX))));
+ chip->vendor.duration[TPM_LONG] =
+ msecs_to_jiffies(be32_to_cpu
+ (*((__be32 *) (data +
+ TPM_GET_CAP_RET_UINT32_3_IDX))));
+}
+EXPORT_SYMBOL_GPL(tpm_get_timeouts);
+
+void tpm_continue_selftest(struct tpm_chip *chip)
+{
+ u8 data[] = {
+ 0, 193, /* TPM_TAG_RQU_COMMAND */
+ 0, 0, 0, 10, /* length */
+ 0, 0, 0, 83, /* TPM_ORD_GetCapability */
+ };
+
+ tpm_transmit(chip, data, sizeof(data));
+}
+EXPORT_SYMBOL_GPL(tpm_continue_selftest);
+
+ssize_t tpm_show_enabled(struct device * dev, struct device_attribute * attr,
+ char *buf)
+{
+ u8 data[max_t(int, ARRAY_SIZE(tpm_cap), 35)];
+ ssize_t rc;
+
+ struct tpm_chip *chip = dev_get_drvdata(dev);
+ if (chip == NULL)
+ return -ENODEV;
+
+ memcpy(data, tpm_cap, sizeof(tpm_cap));
+ data[TPM_CAP_IDX] = TPM_CAP_FLAG;
+ data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_FLAG_PERM;
+
+ rc = transmit_cmd(chip, data, sizeof(data),
+ "attemtping to determine the permanent state");
+ if (rc)
+ return 0;
+ return sprintf(buf, "%d\n", !data[TPM_GET_CAP_PERM_DISABLE_IDX]);
+}
+EXPORT_SYMBOL_GPL(tpm_show_enabled);
+
+ssize_t tpm_show_active(struct device * dev, struct device_attribute * attr,
+ char *buf)
+{
+ u8 data[max_t(int, ARRAY_SIZE(tpm_cap), 35)];
+ ssize_t rc;
+
+ struct tpm_chip *chip = dev_get_drvdata(dev);
+ if (chip == NULL)
+ return -ENODEV;
+
+ memcpy(data, tpm_cap, sizeof(tpm_cap));
+ data[TPM_CAP_IDX] = TPM_CAP_FLAG;
+ data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_FLAG_PERM;
+
+ rc = transmit_cmd(chip, data, sizeof(data),
+ "attemtping to determine the permanent state");
+ if (rc)
+ return 0;
+ return sprintf(buf, "%d\n", !data[TPM_GET_CAP_PERM_INACTIVE_IDX]);
+}
+EXPORT_SYMBOL_GPL(tpm_show_active);
+
+ssize_t tpm_show_owned(struct device * dev, struct device_attribute * attr,
+ char *buf)
+{
+ u8 data[sizeof(tpm_cap)];
+ ssize_t rc;
+
+ struct tpm_chip *chip = dev_get_drvdata(dev);
+ if (chip == NULL)
+ return -ENODEV;
+
+ memcpy(data, tpm_cap, sizeof(tpm_cap));
+ data[TPM_CAP_IDX] = TPM_CAP_PROP;
+ data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_PROP_OWNER;
+
+ rc = transmit_cmd(chip, data, sizeof(data),
+ "attempting to determine the owner state");
+ if (rc)
+ return 0;
+ return sprintf(buf, "%d\n", data[TPM_GET_CAP_RET_BOOL_1_IDX]);
+}
+EXPORT_SYMBOL_GPL(tpm_show_owned);
+
+ssize_t tpm_show_temp_deactivated(struct device * dev,
+ struct device_attribute * attr, char *buf)
+{
+ u8 data[sizeof(tpm_cap)];
+ ssize_t rc;
+
+ struct tpm_chip *chip = dev_get_drvdata(dev);
+ if (chip == NULL)
+ return -ENODEV;
+
+ memcpy(data, tpm_cap, sizeof(tpm_cap));
+ data[TPM_CAP_IDX] = TPM_CAP_FLAG;
+ data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_FLAG_VOL;
+
+ rc = transmit_cmd(chip, data, sizeof(data),
+ "attempting to determine the temporary state");
+ if (rc)
+ return 0;
+ return sprintf(buf, "%d\n", data[TPM_GET_CAP_TEMP_INACTIVE_IDX]);
+}
+EXPORT_SYMBOL_GPL(tpm_show_temp_deactivated);
+
static const u8 pcrread[] = {
0, 193, /* TPM_TAG_RQU_COMMAND */
0, 0, 0, 14, /* length */
@@ -140,8 +676,8 @@ static const u8 pcrread[] = {
ssize_t tpm_show_pcrs(struct device *dev, struct device_attribute *attr,
char *buf)
{
- u8 data[READ_PCR_RESULT_SIZE];
- ssize_t len;
+ u8 data[max_t(int, max(ARRAY_SIZE(tpm_cap), ARRAY_SIZE(pcrread)), 30)];
+ ssize_t rc;
int i, j, num_pcrs;
__be32 index;
char *str = buf;
@@ -150,29 +686,24 @@ ssize_t tpm_show_pcrs(struct device *dev, struct device_attribute *attr,
if (chip == NULL)
return -ENODEV;
- memcpy(data, cap_pcr, sizeof(cap_pcr));
- if ((len = tpm_transmit(chip, data, sizeof(data)))
- < CAP_PCR_RESULT_SIZE) {
- dev_dbg(chip->dev, "A TPM error (%d) occurred "
- "attempting to determine the number of PCRS\n",
- be32_to_cpu(*((__be32 *) (data + 6))));
+ memcpy(data, tpm_cap, sizeof(tpm_cap));
+ data[TPM_CAP_IDX] = TPM_CAP_PROP;
+ data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_PROP_PCR;
+
+ rc = transmit_cmd(chip, data, sizeof(data),
+ "attempting to determine the number of PCRS");
+ if (rc)
return 0;
- }
num_pcrs = be32_to_cpu(*((__be32 *) (data + 14)));
-
for (i = 0; i < num_pcrs; i++) {
memcpy(data, pcrread, sizeof(pcrread));
index = cpu_to_be32(i);
memcpy(data + 10, &index, 4);
- if ((len = tpm_transmit(chip, data, sizeof(data)))
- < READ_PCR_RESULT_SIZE){
- dev_dbg(chip->dev, "A TPM error (%d) occurred"
- " attempting to read PCR %d of %d\n",
- be32_to_cpu(*((__be32 *) (data + 6))),
- i, num_pcrs);
+ rc = transmit_cmd(chip, data, sizeof(data),
+ "attempting to read a PCR");
+ if (rc)
goto out;
- }
str += sprintf(str, "PCR-%02d: ", i);
for (j = 0; j < TPM_DIGEST_SIZE; j++)
str += sprintf(str, "%02X ", *(data + 10 + j));
@@ -194,7 +725,7 @@ ssize_t tpm_show_pubek(struct device *dev, struct device_attribute *attr,
char *buf)
{
u8 *data;
- ssize_t len;
+ ssize_t err;
int i, rc;
char *str = buf;
@@ -208,14 +739,10 @@ ssize_t tpm_show_pubek(struct device *dev, struct device_attribute *attr,
memcpy(data, readpubek, sizeof(readpubek));
- if ((len = tpm_transmit(chip, data, READ_PUBEK_RESULT_SIZE)) <
- READ_PUBEK_RESULT_SIZE) {
- dev_dbg(chip->dev, "A TPM error (%d) occurred "
- "attempting to read the PUBEK\n",
- be32_to_cpu(*((__be32 *) (data + 6))));
- rc = 0;
+ err = transmit_cmd(chip, data, READ_PUBEK_RESULT_SIZE,
+ "attempting to read the PUBEK");
+ if (err)
goto out;
- }
/*
ignore header 10 bytes
@@ -245,67 +772,110 @@ ssize_t tpm_show_pubek(struct device *dev, struct device_attribute *attr,
if ((i + 1) % 16 == 0)
str += sprintf(str, "\n");
}
- rc = str - buf;
out:
+ rc = str - buf;
kfree(data);
return rc;
}
EXPORT_SYMBOL_GPL(tpm_show_pubek);
-#define CAP_VER_RESULT_SIZE 18
+#define CAP_VERSION_1_1 6
+#define CAP_VERSION_1_2 0x1A
+#define CAP_VERSION_IDX 13
static const u8 cap_version[] = {
0, 193, /* TPM_TAG_RQU_COMMAND */
0, 0, 0, 18, /* length */
0, 0, 0, 101, /* TPM_ORD_GetCapability */
- 0, 0, 0, 6,
+ 0, 0, 0, 0,
0, 0, 0, 0
};
-#define CAP_MANUFACTURER_RESULT_SIZE 18
-static const u8 cap_manufacturer[] = {
- 0, 193, /* TPM_TAG_RQU_COMMAND */
- 0, 0, 0, 22, /* length */
- 0, 0, 0, 101, /* TPM_ORD_GetCapability */
- 0, 0, 0, 5,
- 0, 0, 0, 4,
- 0, 0, 1, 3
-};
-
ssize_t tpm_show_caps(struct device *dev, struct device_attribute *attr,
char *buf)
{
- u8 data[sizeof(cap_manufacturer)];
- ssize_t len;
+ u8 data[max_t(int, max(ARRAY_SIZE(tpm_cap), ARRAY_SIZE(cap_version)), 30)];
+ ssize_t rc;
char *str = buf;
struct tpm_chip *chip = dev_get_drvdata(dev);
if (chip == NULL)
return -ENODEV;
- memcpy(data, cap_manufacturer, sizeof(cap_manufacturer));
+ memcpy(data, tpm_cap, sizeof(tpm_cap));
+ data[TPM_CAP_IDX] = TPM_CAP_PROP;
+ data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_PROP_MANUFACTURER;
- if ((len = tpm_transmit(chip, data, sizeof(data))) <
- CAP_MANUFACTURER_RESULT_SIZE)
- return len;
+ rc = transmit_cmd(chip, data, sizeof(data),
+ "attempting to determine the manufacturer");
+ if (rc)
+ return 0;
str += sprintf(str, "Manufacturer: 0x%x\n",
- be32_to_cpu(*((__be32 *) (data + 14))));
+ be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_1_IDX))));
memcpy(data, cap_version, sizeof(cap_version));
+ data[CAP_VERSION_IDX] = CAP_VERSION_1_1;
+ rc = transmit_cmd(chip, data, sizeof(data),
+ "attempting to determine the 1.1 version");
+ if (rc)
+ goto out;
- if ((len = tpm_transmit(chip, data, sizeof(data))) <
- CAP_VER_RESULT_SIZE)
- return len;
-
- str +=
- sprintf(str, "TCG version: %d.%d\nFirmware version: %d.%d\n",
- (int) data[14], (int) data[15], (int) data[16],
- (int) data[17]);
+ str += sprintf(str,
+ "TCG version: %d.%d\nFirmware version: %d.%d\n",
+ (int) data[14], (int) data[15], (int) data[16],
+ (int) data[17]);
+out:
return str - buf;
}
EXPORT_SYMBOL_GPL(tpm_show_caps);
+ssize_t tpm_show_caps_1_2(struct device * dev,
+ struct device_attribute * attr, char *buf)
+{
+ u8 data[max_t(int, max(ARRAY_SIZE(tpm_cap), ARRAY_SIZE(cap_version)), 30)];
+ ssize_t len;
+ char *str = buf;
+
+ struct tpm_chip *chip = dev_get_drvdata(dev);
+ if (chip == NULL)
+ return -ENODEV;
+
+ memcpy(data, tpm_cap, sizeof(tpm_cap));
+ data[TPM_CAP_IDX] = TPM_CAP_PROP;
+ data[TPM_CAP_SUBCAP_IDX] = TPM_CAP_PROP_MANUFACTURER;
+
+ if ((len = tpm_transmit(chip, data, sizeof(data))) <=
+ TPM_ERROR_SIZE) {
+ dev_dbg(chip->dev, "A TPM error (%d) occurred "
+ "attempting to determine the manufacturer\n",
+ be32_to_cpu(*((__be32 *) (data + TPM_RET_CODE_IDX))));
+ return 0;
+ }
+
+ str += sprintf(str, "Manufacturer: 0x%x\n",
+ be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_1_IDX))));
+
+ memcpy(data, cap_version, sizeof(cap_version));
+ data[CAP_VERSION_IDX] = CAP_VERSION_1_2;
+
+ if ((len = tpm_transmit(chip, data, sizeof(data))) <=
+ TPM_ERROR_SIZE) {
+ dev_err(chip->dev, "A TPM error (%d) occurred "
+ "attempting to determine the 1.2 version\n",
+ be32_to_cpu(*((__be32 *) (data + TPM_RET_CODE_IDX))));
+ goto out;
+ }
+ str += sprintf(str,
+ "TCG version: %d.%d\nFirmware version: %d.%d\n",
+ (int) data[16], (int) data[17], (int) data[18],
+ (int) data[19]);
+
+out:
+ return str - buf;
+}
+EXPORT_SYMBOL_GPL(tpm_show_caps_1_2);
+
ssize_t tpm_store_cancel(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
@@ -313,7 +883,7 @@ ssize_t tpm_store_cancel(struct device *dev, struct device_attribute *attr,
if (chip == NULL)
return 0;
- chip->vendor->cancel(chip);
+ chip->vendor.cancel(chip);
return count;
}
EXPORT_SYMBOL_GPL(tpm_store_cancel);
@@ -329,7 +899,7 @@ int tpm_open(struct inode *inode, struct file *file)
spin_lock(&driver_lock);
list_for_each_entry(pos, &tpm_chip_list, list) {
- if (pos->vendor->miscdev.minor == minor) {
+ if (pos->vendor.miscdev.minor == minor) {
chip = pos;
break;
}
@@ -387,7 +957,7 @@ int tpm_release(struct inode *inode, struct file *file)
EXPORT_SYMBOL_GPL(tpm_release);
ssize_t tpm_write(struct file *file, const char __user *buf,
- size_t size, loff_t * off)
+ size_t size, loff_t *off)
{
struct tpm_chip *chip = file->private_data;
int in_size = size, out_size;
@@ -419,11 +989,10 @@ ssize_t tpm_write(struct file *file, const char __user *buf,
return in_size;
}
-
EXPORT_SYMBOL_GPL(tpm_write);
-ssize_t tpm_read(struct file * file, char __user *buf,
- size_t size, loff_t * off)
+ssize_t tpm_read(struct file *file, char __user *buf,
+ size_t size, loff_t *off)
{
struct tpm_chip *chip = file->private_data;
int ret_size;
@@ -462,14 +1031,13 @@ void tpm_remove_hardware(struct device *dev)
spin_unlock(&driver_lock);
dev_set_drvdata(dev, NULL);
- misc_deregister(&chip->vendor->miscdev);
- kfree(chip->vendor->miscdev.name);
+ misc_deregister(&chip->vendor.miscdev);
+ kfree(chip->vendor.miscdev.name);
- sysfs_remove_group(&dev->kobj, chip->vendor->attr_group);
+ sysfs_remove_group(&dev->kobj, chip->vendor.attr_group);
tpm_bios_log_teardown(chip->bios_dir);
- dev_mask[chip->dev_num / TPM_NUM_MASK_ENTRIES ] &=
- ~(1 << (chip->dev_num % TPM_NUM_MASK_ENTRIES));
+ clear_bit(chip->dev_num, dev_mask);
kfree(chip);
@@ -520,18 +1088,18 @@ EXPORT_SYMBOL_GPL(tpm_pm_resume);
* upon errant exit from this function specific probe function should call
* pci_disable_device
*/
-int tpm_register_hardware(struct device *dev, struct tpm_vendor_specific *entry)
+struct tpm_chip *tpm_register_hardware(struct device *dev, const struct tpm_vendor_specific
+ *entry)
{
#define DEVNAME_SIZE 7
char *devname;
struct tpm_chip *chip;
- int i, j;
/* Driver specific per-device data */
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
if (chip == NULL)
- return -ENOMEM;
+ return NULL;
init_MUTEX(&chip->buffer_mutex);
init_MUTEX(&chip->tpm_mutex);
@@ -543,45 +1111,37 @@ int tpm_register_hardware(struct device *dev, struct tpm_vendor_specific *entry)
chip->user_read_timer.function = user_reader_timeout;
chip->user_read_timer.data = (unsigned long) chip;
- chip->vendor = entry;
-
- chip->dev_num = -1;
+ memcpy(&chip->vendor, entry, sizeof(struct tpm_vendor_specific));
- for (i = 0; i < TPM_NUM_MASK_ENTRIES; i++)
- for (j = 0; j < 8 * sizeof(int); j++)
- if ((dev_mask[i] & (1 << j)) == 0) {
- chip->dev_num =
- i * TPM_NUM_MASK_ENTRIES + j;
- dev_mask[i] |= 1 << j;
- goto dev_num_search_complete;
- }
+ chip->dev_num = find_first_zero_bit(dev_mask, TPM_NUM_DEVICES);
-dev_num_search_complete:
- if (chip->dev_num < 0) {
+ if (chip->dev_num >= TPM_NUM_DEVICES) {
dev_err(dev, "No available tpm device numbers\n");
kfree(chip);
- return -ENODEV;
+ return NULL;
} else if (chip->dev_num == 0)
- chip->vendor->miscdev.minor = TPM_MINOR;
+ chip->vendor.miscdev.minor = TPM_MINOR;
else
- chip->vendor->miscdev.minor = MISC_DYNAMIC_MINOR;
+ chip->vendor.miscdev.minor = MISC_DYNAMIC_MINOR;
+
+ set_bit(chip->dev_num, dev_mask);
devname = kmalloc(DEVNAME_SIZE, GFP_KERNEL);
scnprintf(devname, DEVNAME_SIZE, "%s%d", "tpm", chip->dev_num);
- chip->vendor->miscdev.name = devname;
+ chip->vendor.miscdev.name = devname;
- chip->vendor->miscdev.dev = dev;
+ chip->vendor.miscdev.dev = dev;
chip->dev = get_device(dev);
- if (misc_register(&chip->vendor->miscdev)) {
+ if (misc_register(&chip->vendor.miscdev)) {
dev_err(chip->dev,
"unable to misc_register %s, minor %d\n",
- chip->vendor->miscdev.name,
- chip->vendor->miscdev.minor);
+ chip->vendor.miscdev.name,
+ chip->vendor.miscdev.minor);
put_device(dev);
+ clear_bit(chip->dev_num, dev_mask);
kfree(chip);
- dev_mask[i] &= !(1 << j);
- return -ENODEV;
+ return NULL;
}
spin_lock(&driver_lock);
@@ -592,11 +1152,11 @@ dev_num_search_complete:
spin_unlock(&driver_lock);
- sysfs_create_group(&dev->kobj, chip->vendor->attr_group);
+ sysfs_create_group(&dev->kobj, chip->vendor.attr_group);
chip->bios_dir = tpm_bios_log_setup(devname);
- return 0;
+ return chip;
}
EXPORT_SYMBOL_GPL(tpm_register_hardware);
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index dec0224b447..54a4c804e25 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -42,18 +42,30 @@ extern ssize_t tpm_show_pcrs(struct device *, struct device_attribute *attr,
char *);
extern ssize_t tpm_show_caps(struct device *, struct device_attribute *attr,
char *);
+extern ssize_t tpm_show_caps_1_2(struct device *, struct device_attribute *attr,
+ char *);
extern ssize_t tpm_store_cancel(struct device *, struct device_attribute *attr,
const char *, size_t);
+extern ssize_t tpm_show_enabled(struct device *, struct device_attribute *attr,
+ char *);
+extern ssize_t tpm_show_active(struct device *, struct device_attribute *attr,
+ char *);
+extern ssize_t tpm_show_owned(struct device *, struct device_attribute *attr,
+ char *);
+extern ssize_t tpm_show_temp_deactivated(struct device *,
+ struct device_attribute *attr, char *);
struct tpm_chip;
struct tpm_vendor_specific {
- u8 req_complete_mask;
- u8 req_complete_val;
- u8 req_canceled;
+ const u8 req_complete_mask;
+ const u8 req_complete_val;
+ const u8 req_canceled;
void __iomem *iobase; /* ioremapped address */
unsigned long base; /* TPM base address */
+ int irq;
+
int region_size;
int have_region;
@@ -63,6 +75,13 @@ struct tpm_vendor_specific {
u8 (*status) (struct tpm_chip *);
struct miscdevice miscdev;
struct attribute_group *attr_group;
+ struct list_head list;
+ int locality;
+ unsigned long timeout_a, timeout_b, timeout_c, timeout_d; /* jiffies */
+ unsigned long duration[3]; /* jiffies */
+
+ wait_queue_head_t read_queue;
+ wait_queue_head_t int_queue;
};
struct tpm_chip {
@@ -81,13 +100,15 @@ struct tpm_chip {
struct work_struct work;
struct semaphore tpm_mutex; /* tpm is processing */
- struct tpm_vendor_specific *vendor;
+ struct tpm_vendor_specific vendor;
struct dentry **bios_dir;
struct list_head list;
};
+#define to_tpm_chip(n) container_of(n, struct tpm_chip, vendor)
+
static inline int tpm_read_index(int base, int index)
{
outb(index, base);
@@ -100,8 +121,12 @@ static inline void tpm_write_index(int base, int index, int value)
outb(value & 0xFF, base+1);
}
-extern int tpm_register_hardware(struct device *,
- struct tpm_vendor_specific *);
+extern void tpm_get_timeouts(struct tpm_chip *);
+extern void tpm_gen_interrupt(struct tpm_chip *);
+extern void tpm_continue_selftest(struct tpm_chip *);
+extern unsigned long tpm_calc_ordinal_duration(struct tpm_chip *, u32);
+extern struct tpm_chip* tpm_register_hardware(struct device *,
+ const struct tpm_vendor_specific *);
extern int tpm_open(struct inode *, struct file *);
extern int tpm_release(struct inode *, struct file *);
extern ssize_t tpm_write(struct file *, const char __user *, size_t,
diff --git a/drivers/char/tpm/tpm_atmel.c b/drivers/char/tpm/tpm_atmel.c
index ff3654964fe..58a258cec15 100644
--- a/drivers/char/tpm/tpm_atmel.c
+++ b/drivers/char/tpm/tpm_atmel.c
@@ -47,12 +47,12 @@ static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count)
return -EIO;
for (i = 0; i < 6; i++) {
- status = ioread8(chip->vendor->iobase + 1);
+ status = ioread8(chip->vendor.iobase + 1);
if ((status & ATML_STATUS_DATA_AVAIL) == 0) {
dev_err(chip->dev, "error reading header\n");
return -EIO;
}
- *buf++ = ioread8(chip->vendor->iobase);
+ *buf++ = ioread8(chip->vendor.iobase);
}
/* size of the data received */
@@ -63,7 +63,7 @@ static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count)
dev_err(chip->dev,
"Recv size(%d) less than available space\n", size);
for (; i < size; i++) { /* clear the waiting data anyway */
- status = ioread8(chip->vendor->iobase + 1);
+ status = ioread8(chip->vendor.iobase + 1);
if ((status & ATML_STATUS_DATA_AVAIL) == 0) {
dev_err(chip->dev, "error reading data\n");
return -EIO;
@@ -74,16 +74,16 @@ static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count)
/* read all the data available */
for (; i < size; i++) {
- status = ioread8(chip->vendor->iobase + 1);
+ status = ioread8(chip->vendor.iobase + 1);
if ((status & ATML_STATUS_DATA_AVAIL) == 0) {
dev_err(chip->dev, "error reading data\n");
return -EIO;
}
- *buf++ = ioread8(chip->vendor->iobase);
+ *buf++ = ioread8(chip->vendor.iobase);
}
/* make sure data available is gone */
- status = ioread8(chip->vendor->iobase + 1);
+ status = ioread8(chip->vendor.iobase + 1);
if (status & ATML_STATUS_DATA_AVAIL) {
dev_err(chip->dev, "data available is stuck\n");
@@ -100,7 +100,7 @@ static int tpm_atml_send(struct tpm_chip *chip, u8 *buf, size_t count)
dev_dbg(chip->dev, "tpm_atml_send:\n");
for (i = 0; i < count; i++) {
dev_dbg(chip->dev, "%d 0x%x(%d)\n", i, buf[i], buf[i]);
- iowrite8(buf[i], chip->vendor->iobase);
+ iowrite8(buf[i], chip->vendor.iobase);
}
return count;
@@ -108,12 +108,12 @@ static int tpm_atml_send(struct tpm_chip *chip, u8 *buf, size_t count)
static void tpm_atml_cancel(struct tpm_chip *chip)
{
- iowrite8(ATML_STATUS_ABORT, chip->vendor->iobase + 1);
+ iowrite8(ATML_STATUS_ABORT, chip->vendor.iobase + 1);
}
static u8 tpm_atml_status(struct tpm_chip *chip)
{
- return ioread8(chip->vendor->iobase + 1);
+ return ioread8(chip->vendor.iobase + 1);
}
static struct file_operations atmel_ops = {
@@ -140,7 +140,7 @@ static struct attribute* atmel_attrs[] = {
static struct attribute_group atmel_attr_grp = { .attrs = atmel_attrs };
-static struct tpm_vendor_specific tpm_atmel = {
+static const struct tpm_vendor_specific tpm_atmel = {
.recv = tpm_atml_recv,
.send = tpm_atml_send,
.cancel = tpm_atml_cancel,
@@ -159,10 +159,10 @@ static void atml_plat_remove(void)
struct tpm_chip *chip = dev_get_drvdata(&pdev->dev);
if (chip) {
- if (chip->vendor->have_region)
- atmel_release_region(chip->vendor->base,
- chip->vendor->region_size);
- atmel_put_base_addr(chip->vendor);
+ if (chip->vendor.have_region)
+ atmel_release_region(chip->vendor.base,
+ chip->vendor.region_size);
+ atmel_put_base_addr(chip->vendor.iobase);
tpm_remove_hardware(chip->dev);
platform_device_unregister(pdev);
}
@@ -179,18 +179,22 @@ static struct device_driver atml_drv = {
static int __init init_atmel(void)
{
int rc = 0;
+ void __iomem *iobase = NULL;
+ int have_region, region_size;
+ unsigned long base;
+ struct tpm_chip *chip;
driver_register(&atml_drv);
- if ((tpm_atmel.iobase = atmel_get_base_addr(&tpm_atmel)) == NULL) {
+ if ((iobase = atmel_get_base_addr(&base, &region_size)) == NULL) {
rc = -ENODEV;
goto err_unreg_drv;
}
- tpm_atmel.have_region =
+ have_region =
(atmel_request_region
- (tpm_atmel.base, tpm_atmel.region_size,
- "tpm_atmel0") == NULL) ? 0 : 1;
+ (tpm_atmel.base, region_size, "tpm_atmel0") == NULL) ? 0 : 1;
+
if (IS_ERR
(pdev =
@@ -199,17 +203,25 @@ static int __init init_atmel(void)
goto err_rel_reg;
}
- if ((rc = tpm_register_hardware(&pdev->dev, &tpm_atmel)) < 0)
+ if (!(chip = tpm_register_hardware(&pdev->dev, &tpm_atmel))) {
+ rc = -ENODEV;
goto err_unreg_dev;
+ }
+
+ chip->vendor.iobase = iobase;
+ chip->vendor.base = base;
+ chip->vendor.have_region = have_region;
+ chip->vendor.region_size = region_size;
+
return 0;
err_unreg_dev:
platform_device_unregister(pdev);
err_rel_reg:
- atmel_put_base_addr(&tpm_atmel);
- if (tpm_atmel.have_region)
- atmel_release_region(tpm_atmel.base,
- tpm_atmel.region_size);
+ atmel_put_base_addr(iobase);
+ if (have_region)
+ atmel_release_region(base,
+ region_size);
err_unreg_drv:
driver_unregister(&atml_drv);
return rc;
diff --git a/drivers/char/tpm/tpm_atmel.h b/drivers/char/tpm/tpm_atmel.h
index d3478aaadd7..2e68eeb8a2c 100644
--- a/drivers/char/tpm/tpm_atmel.h
+++ b/drivers/char/tpm/tpm_atmel.h
@@ -28,13 +28,12 @@
#define atmel_request_region request_mem_region
#define atmel_release_region release_mem_region
-static inline void atmel_put_base_addr(struct tpm_vendor_specific
- *vendor)
+static inline void atmel_put_base_addr(void __iomem *iobase)
{
- iounmap(vendor->iobase);
+ iounmap(iobase);
}
-static void __iomem * atmel_get_base_addr(struct tpm_vendor_specific *vendor)
+static void __iomem * atmel_get_base_addr(unsigned long *base, int *region_size)
{
struct device_node *dn;
unsigned long address, size;
@@ -71,9 +70,9 @@ static void __iomem * atmel_get_base_addr(struct tpm_vendor_specific *vendor)
else
size = reg[naddrc];
- vendor->base = address;
- vendor->region_size = size;
- return ioremap(vendor->base, vendor->region_size);
+ *base = address;
+ *region_size = size;
+ return ioremap(*base, *region_size);
}
#else
#define atmel_getb(chip, offset) inb(chip->vendor->base + offset)
@@ -106,14 +105,12 @@ static int atmel_verify_tpm11(void)
return 0;
}
-static inline void atmel_put_base_addr(struct tpm_vendor_specific
- *vendor)
+static inline void atmel_put_base_addr(void __iomem *iobase)
{
}
/* Determine where to talk to device */
-static void __iomem * atmel_get_base_addr(struct tpm_vendor_specific
- *vendor)
+static void __iomem * atmel_get_base_addr(unsigned long *base, int *region_size)
{
int lo, hi;
@@ -123,9 +120,9 @@ static void __iomem * atmel_get_base_addr(struct tpm_vendor_specific
lo = tpm_read_index(TPM_ADDR, TPM_ATMEL_BASE_ADDR_LO);
hi = tpm_read_index(TPM_ADDR, TPM_ATMEL_BASE_ADDR_HI);
- vendor->base = (hi << 8) | lo;
- vendor->region_size = 2;
+ *base = (hi << 8) | lo;
+ *region_size = 2;
- return ioport_map(vendor->base, vendor->region_size);
+ return ioport_map(*base, *region_size);
}
#endif
diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c
index 537aa45d8c6..e45f0d3d12d 100644
--- a/drivers/char/tpm/tpm_bios.c
+++ b/drivers/char/tpm/tpm_bios.c
@@ -29,6 +29,11 @@
#define MAX_TEXT_EVENT 1000 /* Max event string length */
#define ACPI_TCPA_SIG "TCPA" /* 0x41504354 /'TCPA' */
+enum bios_platform_class {
+ BIOS_CLIENT = 0x00,
+ BIOS_SERVER = 0x01,
+};
+
struct tpm_bios_log {
void *bios_event_log;
void *bios_event_log_end;
@@ -36,9 +41,18 @@ struct tpm_bios_log {
struct acpi_tcpa {
struct acpi_table_header hdr;
- u16 reserved;
- u32 log_max_len __attribute__ ((packed));
- u32 log_start_addr __attribute__ ((packed));
+ u16 platform_class;
+ union {
+ struct client_hdr {
+ u32 log_max_len __attribute__ ((packed));
+ u64 log_start_addr __attribute__ ((packed));
+ } client;
+ struct server_hdr {
+ u16 reserved;
+ u64 log_max_len __attribute__ ((packed));
+ u64 log_start_addr __attribute__ ((packed));
+ } server;
+ };
};
struct tcpa_event {
@@ -120,6 +134,7 @@ static const char* tcpa_pc_event_id_strings[] = {
"S-CRTM Version",
"S-CRTM Contents",
"S-CRTM POST Contents",
+ "POST Contents",
};
/* returns pointer to start of pos. entry of tcg log */
@@ -306,6 +321,7 @@ static int tpm_binary_bios_measurements_show(struct seq_file *m, void *v)
/* 5th: delimiter */
seq_putc(m, '\0');
+ kfree(eventname);
return 0;
}
@@ -353,6 +369,7 @@ static int tpm_ascii_bios_measurements_show(struct seq_file *m, void *v)
/* 4th: eventname <= max + \'0' delimiter */
seq_printf(m, " %s\n", eventname);
+ kfree(eventname);
return 0;
}
@@ -376,6 +393,7 @@ static int read_log(struct tpm_bios_log *log)
struct acpi_tcpa *buff;
acpi_status status;
struct acpi_table_header *virt;
+ u64 len, start;
if (log->bios_event_log != NULL) {
printk(KERN_ERR
@@ -396,27 +414,37 @@ static int read_log(struct tpm_bios_log *log)
return -EIO;
}
- if (buff->log_max_len == 0) {
+ switch(buff->platform_class) {
+ case BIOS_SERVER:
+ len = buff->server.log_max_len;
+ start = buff->server.log_start_addr;
+ break;
+ case BIOS_CLIENT:
+ default:
+ len = buff->client.log_max_len;
+ start = buff->client.log_start_addr;
+ break;
+ }
+ if (!len) {
printk(KERN_ERR "%s: ERROR - TCPA log area empty\n", __func__);
return -EIO;
}
/* malloc EventLog space */
- log->bios_event_log = kmalloc(buff->log_max_len, GFP_KERNEL);
+ log->bios_event_log = kmalloc(len, GFP_KERNEL);
if (!log->bios_event_log) {
- printk
- ("%s: ERROR - Not enough Memory for BIOS measurements\n",
- __func__);
+ printk("%s: ERROR - Not enough Memory for BIOS measurements\n",
+ __func__);
return -ENOMEM;
}
- log->bios_event_log_end = log->bios_event_log + buff->log_max_len;
+ log->bios_event_log_end = log->bios_event_log + len;
- acpi_os_map_memory(buff->log_start_addr, buff->log_max_len, (void *) &virt);
+ acpi_os_map_memory(start, len, (void *) &virt);
- memcpy(log->bios_event_log, virt, buff->log_max_len);
+ memcpy(log->bios_event_log, virt, len);
- acpi_os_unmap_memory(virt, buff->log_max_len);
+ acpi_os_unmap_memory(virt, len);
return 0;
}
diff --git a/drivers/char/tpm/tpm_infineon.c b/drivers/char/tpm/tpm_infineon.c
index 24095f6ee6d..adfff21beb2 100644
--- a/drivers/char/tpm/tpm_infineon.c
+++ b/drivers/char/tpm/tpm_infineon.c
@@ -15,6 +15,7 @@
* License.
*/
+#include <linux/init.h>
#include <linux/pnp.h>
#include "tpm.h"
@@ -104,7 +105,7 @@ static int empty_fifo(struct tpm_chip *chip, int clear_wrfifo)
if (clear_wrfifo) {
for (i = 0; i < 4096; i++) {
- status = inb(chip->vendor->base + WRFIFO);
+ status = inb(chip->vendor.base + WRFIFO);
if (status == 0xff) {
if (check == 5)
break;
@@ -124,8 +125,8 @@ static int empty_fifo(struct tpm_chip *chip, int clear_wrfifo)
*/
i = 0;
do {
- status = inb(chip->vendor->base + RDFIFO);
- status = inb(chip->vendor->base + STAT);
+ status = inb(chip->vendor.base + RDFIFO);
+ status = inb(chip->vendor.base + STAT);
i++;
if (i == TPM_MAX_TRIES)
return -EIO;
@@ -138,7 +139,7 @@ static int wait(struct tpm_chip *chip, int wait_for_bit)
int status;
int i;
for (i = 0; i < TPM_MAX_TRIES; i++) {
- status = inb(chip->vendor->base + STAT);
+ status = inb(chip->vendor.base + STAT);
/* check the status-register if wait_for_bit is set */
if (status & 1 << wait_for_bit)
break;
@@ -157,7 +158,7 @@ static int wait(struct tpm_chip *chip, int wait_for_bit)
static void wait_and_send(struct tpm_chip *chip, u8 sendbyte)
{
wait(chip, STAT_XFE);
- outb(sendbyte, chip->vendor->base + WRFIFO);
+ outb(sendbyte, chip->vendor.base + WRFIFO);
}
/* Note: WTX means Waiting-Time-Extension. Whenever the TPM needs more
@@ -204,7 +205,7 @@ recv_begin:
ret = wait(chip, STAT_RDA);
if (ret)
return -EIO;
- buf[i] = inb(chip->vendor->base + RDFIFO);
+ buf[i] = inb(chip->vendor.base + RDFIFO);
}
if (buf[0] != TPM_VL_VER) {
@@ -219,7 +220,7 @@ recv_begin:
for (i = 0; i < size; i++) {
wait(chip, STAT_RDA);
- buf[i] = inb(chip->vendor->base + RDFIFO);
+ buf[i] = inb(chip->vendor.base + RDFIFO);
}
if ((size == 0x6D00) && (buf[1] == 0x80)) {
@@ -268,7 +269,7 @@ static int tpm_inf_send(struct tpm_chip *chip, u8 * buf, size_t count)
u8 count_high, count_low, count_4, count_3, count_2, count_1;
/* Disabling Reset, LP and IRQC */
- outb(RESET_LP_IRQC_DISABLE, chip->vendor->base + CMD);
+ outb(RESET_LP_IRQC_DISABLE, chip->vendor.base + CMD);
ret = empty_fifo(chip, 1);
if (ret) {
@@ -319,7 +320,7 @@ static void tpm_inf_cancel(struct tpm_chip *chip)
static u8 tpm_inf_status(struct tpm_chip *chip)
{
- return inb(chip->vendor->base + STAT);
+ return inb(chip->vendor.base + STAT);
}
static DEVICE_ATTR(pubek, S_IRUGO, tpm_show_pubek, NULL);
@@ -346,7 +347,7 @@ static struct file_operations inf_ops = {
.release = tpm_release,
};
-static struct tpm_vendor_specific tpm_inf = {
+static const struct tpm_vendor_specific tpm_inf = {
.recv = tpm_inf_recv,
.send = tpm_inf_send,
.cancel = tpm_inf_cancel,
@@ -375,6 +376,7 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
int version[2];
int productid[2];
char chipname[20];
+ struct tpm_chip *chip;
/* read IO-ports through PnP */
if (pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) &&
@@ -395,14 +397,13 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
goto err_last;
}
/* publish my base address and request region */
- tpm_inf.base = TPM_INF_BASE;
if (request_region
- (tpm_inf.base, TPM_INF_PORT_LEN, "tpm_infineon0") == NULL) {
+ (TPM_INF_BASE, TPM_INF_PORT_LEN, "tpm_infineon0") == NULL) {
rc = -EINVAL;
goto err_last;
}
- if (request_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN,
- "tpm_infineon0") == NULL) {
+ if (request_region
+ (TPM_INF_ADDR, TPM_INF_ADDR_LEN, "tpm_infineon0") == NULL) {
rc = -EINVAL;
goto err_last;
}
@@ -442,9 +443,9 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
/* configure TPM with IO-ports */
outb(IOLIMH, TPM_INF_ADDR);
- outb(((tpm_inf.base >> 8) & 0xff), TPM_INF_DATA);
+ outb(((TPM_INF_BASE >> 8) & 0xff), TPM_INF_DATA);
outb(IOLIML, TPM_INF_ADDR);
- outb((tpm_inf.base & 0xff), TPM_INF_DATA);
+ outb((TPM_INF_BASE & 0xff), TPM_INF_DATA);
/* control if IO-ports are set correctly */
outb(IOLIMH, TPM_INF_ADDR);
@@ -452,10 +453,10 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
outb(IOLIML, TPM_INF_ADDR);
iol = inb(TPM_INF_DATA);
- if ((ioh << 8 | iol) != tpm_inf.base) {
+ if ((ioh << 8 | iol) != TPM_INF_BASE) {
dev_err(&dev->dev,
- "Could not set IO-ports to 0x%lx\n",
- tpm_inf.base);
+ "Could not set IO-ports to 0x%x\n",
+ TPM_INF_BASE);
rc = -EIO;
goto err_release_region;
}
@@ -466,15 +467,15 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
outb(DISABLE_REGISTER_PAIR, TPM_INF_ADDR);
/* disable RESET, LP and IRQC */
- outb(RESET_LP_IRQC_DISABLE, tpm_inf.base + CMD);
+ outb(RESET_LP_IRQC_DISABLE, TPM_INF_BASE + CMD);
/* Finally, we're done, print some infos */
dev_info(&dev->dev, "TPM found: "
"config base 0x%x, "
"io base 0x%x, "
- "chip version %02x%02x, "
- "vendor id %x%x (Infineon), "
- "product id %02x%02x"
+ "chip version 0x%02x%02x, "
+ "vendor id 0x%x%x (Infineon), "
+ "product id 0x%02x%02x"
"%s\n",
TPM_INF_ADDR,
TPM_INF_BASE,
@@ -482,11 +483,10 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
vendorid[0], vendorid[1],
productid[0], productid[1], chipname);
- rc = tpm_register_hardware(&dev->dev, &tpm_inf);
- if (rc < 0) {
- rc = -ENODEV;
+ if (!(chip = tpm_register_hardware(&dev->dev, &tpm_inf))) {
goto err_release_region;
}
+ chip->vendor.base = TPM_INF_BASE;
return 0;
} else {
rc = -ENODEV;
@@ -494,7 +494,7 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
}
err_release_region:
- release_region(tpm_inf.base, TPM_INF_PORT_LEN);
+ release_region(TPM_INF_BASE, TPM_INF_PORT_LEN);
release_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN);
err_last:
@@ -506,7 +506,8 @@ static __devexit void tpm_inf_pnp_remove(struct pnp_dev *dev)
struct tpm_chip *chip = pnp_get_drvdata(dev);
if (chip) {
- release_region(chip->vendor->base, TPM_INF_PORT_LEN);
+ release_region(TPM_INF_BASE, TPM_INF_PORT_LEN);
+ release_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN);
tpm_remove_hardware(chip->dev);
}
}
@@ -520,7 +521,7 @@ static struct pnp_driver tpm_inf_pnp = {
},
.id_table = tpm_pnp_tbl,
.probe = tpm_inf_pnp_probe,
- .remove = tpm_inf_pnp_remove,
+ .remove = __devexit_p(tpm_inf_pnp_remove),
};
static int __init init_inf(void)
@@ -538,5 +539,5 @@ module_exit(cleanup_inf);
MODULE_AUTHOR("Marcel Selhorst <selhorst@crypto.rub.de>");
MODULE_DESCRIPTION("Driver for Infineon TPM SLD 9630 TT 1.1 / SLB 9635 TT 1.2");
-MODULE_VERSION("1.7");
+MODULE_VERSION("1.8");
MODULE_LICENSE("GPL");
diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c
index 680a8e33188..4c8bc06c7d9 100644
--- a/drivers/char/tpm/tpm_nsc.c
+++ b/drivers/char/tpm/tpm_nsc.c
@@ -71,7 +71,7 @@ static int wait_for_stat(struct tpm_chip *chip, u8 mask, u8 val, u8 * data)
unsigned long stop;
/* status immediately available check */
- *data = inb(chip->vendor->base + NSC_STATUS);
+ *data = inb(chip->vendor.base + NSC_STATUS);
if ((*data & mask) == val)
return 0;
@@ -79,7 +79,7 @@ static int wait_for_stat(struct tpm_chip *chip, u8 mask, u8 val, u8 * data)
stop = jiffies + 10 * HZ;
do {
msleep(TPM_TIMEOUT);
- *data = inb(chip->vendor->base + 1);
+ *data = inb(chip->vendor.base + 1);
if ((*data & mask) == val)
return 0;
}
@@ -94,9 +94,9 @@ static int nsc_wait_for_ready(struct tpm_chip *chip)
unsigned long stop;
/* status immediately available check */
- status = inb(chip->vendor->base + NSC_STATUS);
+ status = inb(chip->vendor.base + NSC_STATUS);
if (status & NSC_STATUS_OBF)
- status = inb(chip->vendor->base + NSC_DATA);
+ status = inb(chip->vendor.base + NSC_DATA);
if (status & NSC_STATUS_RDY)
return 0;
@@ -104,9 +104,9 @@ static int nsc_wait_for_ready(struct tpm_chip *chip)
stop = jiffies + 100;
do {
msleep(TPM_TIMEOUT);
- status = inb(chip->vendor->base + NSC_STATUS);
+ status = inb(chip->vendor.base + NSC_STATUS);
if (status & NSC_STATUS_OBF)
- status = inb(chip->vendor->base + NSC_DATA);
+ status = inb(chip->vendor.base + NSC_DATA);
if (status & NSC_STATUS_RDY)
return 0;
}
@@ -132,7 +132,7 @@ static int tpm_nsc_recv(struct tpm_chip *chip, u8 * buf, size_t count)
return -EIO;
}
if ((data =
- inb(chip->vendor->base + NSC_DATA)) != NSC_COMMAND_NORMAL) {
+ inb(chip->vendor.base + NSC_DATA)) != NSC_COMMAND_NORMAL) {
dev_err(chip->dev, "not in normal mode (0x%x)\n",
data);
return -EIO;
@@ -148,7 +148,7 @@ static int tpm_nsc_recv(struct tpm_chip *chip, u8 * buf, size_t count)
}
if (data & NSC_STATUS_F0)
break;
- *p = inb(chip->vendor->base + NSC_DATA);
+ *p = inb(chip->vendor.base + NSC_DATA);
}
if ((data & NSC_STATUS_F0) == 0 &&
@@ -156,7 +156,7 @@ static int tpm_nsc_recv(struct tpm_chip *chip, u8 * buf, size_t count)
dev_err(chip->dev, "F0 not set\n");
return -EIO;
}
- if ((data = inb(chip->vendor->base + NSC_DATA)) != NSC_COMMAND_EOC) {
+ if ((data = inb(chip->vendor.base + NSC_DATA)) != NSC_COMMAND_EOC) {
dev_err(chip->dev,
"expected end of command(0x%x)\n", data);
return -EIO;
@@ -182,7 +182,7 @@ static int tpm_nsc_send(struct tpm_chip *chip, u8 * buf, size_t count)
* fix it. Not sure why this is needed, we followed the flow
* chart in the manual to the letter.
*/
- outb(NSC_COMMAND_CANCEL, chip->vendor->base + NSC_COMMAND);
+ outb(NSC_COMMAND_CANCEL, chip->vendor.base + NSC_COMMAND);
if (nsc_wait_for_ready(chip) != 0)
return -EIO;
@@ -192,7 +192,7 @@ static int tpm_nsc_send(struct tpm_chip *chip, u8 * buf, size_t count)
return -EIO;
}
- outb(NSC_COMMAND_NORMAL, chip->vendor->base + NSC_COMMAND);
+ outb(NSC_COMMAND_NORMAL, chip->vendor.base + NSC_COMMAND);
if (wait_for_stat(chip, NSC_STATUS_IBR, NSC_STATUS_IBR, &data) < 0) {
dev_err(chip->dev, "IBR timeout\n");
return -EIO;
@@ -204,26 +204,26 @@ static int tpm_nsc_send(struct tpm_chip *chip, u8 * buf, size_t count)
"IBF timeout (while writing data)\n");
return -EIO;
}
- outb(buf[i], chip->vendor->base + NSC_DATA);
+ outb(buf[i], chip->vendor.base + NSC_DATA);
}
if (wait_for_stat(chip, NSC_STATUS_IBF, 0, &data) < 0) {
dev_err(chip->dev, "IBF timeout\n");
return -EIO;
}
- outb(NSC_COMMAND_EOC, chip->vendor->base + NSC_COMMAND);
+ outb(NSC_COMMAND_EOC, chip->vendor.base + NSC_COMMAND);
return count;
}
static void tpm_nsc_cancel(struct tpm_chip *chip)
{
- outb(NSC_COMMAND_CANCEL, chip->vendor->base + NSC_COMMAND);
+ outb(NSC_COMMAND_CANCEL, chip->vendor.base + NSC_COMMAND);
}
static u8 tpm_nsc_status(struct tpm_chip *chip)
{
- return inb(chip->vendor->base + NSC_STATUS);
+ return inb(chip->vendor.base + NSC_STATUS);
}
static struct file_operations nsc_ops = {
@@ -250,7 +250,7 @@ static struct attribute * nsc_attrs[] = {
static struct attribute_group nsc_attr_grp = { .attrs = nsc_attrs };
-static struct tpm_vendor_specific tpm_nsc = {
+static const struct tpm_vendor_specific tpm_nsc = {
.recv = tpm_nsc_recv,
.send = tpm_nsc_send,
.cancel = tpm_nsc_cancel,
@@ -268,7 +268,7 @@ static void __devexit tpm_nsc_remove(struct device *dev)
{
struct tpm_chip *chip = dev_get_drvdata(dev);
if ( chip ) {
- release_region(chip->vendor->base, 2);
+ release_region(chip->vendor.base, 2);
tpm_remove_hardware(chip->dev);
}
}
@@ -286,7 +286,8 @@ static int __init init_nsc(void)
int rc = 0;
int lo, hi;
int nscAddrBase = TPM_ADDR;
-
+ struct tpm_chip *chip;
+ unsigned long base;
/* verify that it is a National part (SID) */
if (tpm_read_index(TPM_ADDR, NSC_SID_INDEX) != 0xEF) {
@@ -300,7 +301,7 @@ static int __init init_nsc(void)
hi = tpm_read_index(nscAddrBase, TPM_NSC_BASE0_HI);
lo = tpm_read_index(nscAddrBase, TPM_NSC_BASE0_LO);
- tpm_nsc.base = (hi<<8) | lo;
+ base = (hi<<8) | lo;
/* enable the DPM module */
tpm_write_index(nscAddrBase, NSC_LDC_INDEX, 0x01);
@@ -320,13 +321,15 @@ static int __init init_nsc(void)
if ((rc = platform_device_register(pdev)) < 0)
goto err_free_dev;
- if (request_region(tpm_nsc.base, 2, "tpm_nsc0") == NULL ) {
+ if (request_region(base, 2, "tpm_nsc0") == NULL ) {
rc = -EBUSY;
goto err_unreg_dev;
}
- if ((rc = tpm_register_hardware(&pdev->dev, &tpm_nsc)) < 0)
+ if (!(chip = tpm_register_hardware(&pdev->dev, &tpm_nsc))) {
+ rc = -ENODEV;
goto err_rel_reg;
+ }
dev_dbg(&pdev->dev, "NSC TPM detected\n");
dev_dbg(&pdev->dev,
@@ -361,10 +364,12 @@ static int __init init_nsc(void)
"NSC TPM revision %d\n",
tpm_read_index(nscAddrBase, 0x27) & 0x1F);
+ chip->vendor.base = base;
+
return 0;
err_rel_reg:
- release_region(tpm_nsc.base, 2);
+ release_region(base, 2);
err_unreg_dev:
platform_device_unregister(pdev);
err_free_dev:
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
new file mode 100644
index 00000000000..b9cae9a238b
--- /dev/null
+++ b/drivers/char/tpm/tpm_tis.c
@@ -0,0 +1,669 @@
+/*
+ * Copyright (C) 2005, 2006 IBM Corporation
+ *
+ * Authors:
+ * Leendert van Doorn <leendert@watson.ibm.com>
+ * Kylene Hall <kjhall@us.ibm.com>
+ *
+ * Device driver for TCG/TCPA TPM (trusted platform module).
+ * Specifications at www.trustedcomputinggroup.org
+ *
+ * This device driver implements the TPM interface as defined in
+ * the TCG TPM Interface Spec version 1.2, revision 1.0.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, version 2 of the
+ * License.
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/pnp.h>
+#include <linux/interrupt.h>
+#include <linux/wait.h>
+#include "tpm.h"
+
+#define TPM_HEADER_SIZE 10
+
+enum tis_access {
+ TPM_ACCESS_VALID = 0x80,
+ TPM_ACCESS_ACTIVE_LOCALITY = 0x20,
+ TPM_ACCESS_REQUEST_PENDING = 0x04,
+ TPM_ACCESS_REQUEST_USE = 0x02,
+};
+
+enum tis_status {
+ TPM_STS_VALID = 0x80,
+ TPM_STS_COMMAND_READY = 0x40,
+ TPM_STS_GO = 0x20,
+ TPM_STS_DATA_AVAIL = 0x10,
+ TPM_STS_DATA_EXPECT = 0x08,
+};
+
+enum tis_int_flags {
+ TPM_GLOBAL_INT_ENABLE = 0x80000000,
+ TPM_INTF_BURST_COUNT_STATIC = 0x100,
+ TPM_INTF_CMD_READY_INT = 0x080,
+ TPM_INTF_INT_EDGE_FALLING = 0x040,
+ TPM_INTF_INT_EDGE_RISING = 0x020,
+ TPM_INTF_INT_LEVEL_LOW = 0x010,
+ TPM_INTF_INT_LEVEL_HIGH = 0x008,
+ TPM_INTF_LOCALITY_CHANGE_INT = 0x004,
+ TPM_INTF_STS_VALID_INT = 0x002,
+ TPM_INTF_DATA_AVAIL_INT = 0x001,
+};
+
+enum tis_defaults {
+ TIS_MEM_BASE = 0xFED4000,
+ TIS_MEM_LEN = 0x5000,
+ TIS_SHORT_TIMEOUT = 750, /* ms */
+ TIS_LONG_TIMEOUT = 2000, /* 2 sec */
+};
+
+#define TPM_ACCESS(l) (0x0000 | ((l) << 12))
+#define TPM_INT_ENABLE(l) (0x0008 | ((l) << 12))
+#define TPM_INT_VECTOR(l) (0x000C | ((l) << 12))
+#define TPM_INT_STATUS(l) (0x0010 | ((l) << 12))
+#define TPM_INTF_CAPS(l) (0x0014 | ((l) << 12))
+#define TPM_STS(l) (0x0018 | ((l) << 12))
+#define TPM_DATA_FIFO(l) (0x0024 | ((l) << 12))
+
+#define TPM_DID_VID(l) (0x0F00 | ((l) << 12))
+#define TPM_RID(l) (0x0F04 | ((l) << 12))
+
+static LIST_HEAD(tis_chips);
+static DEFINE_SPINLOCK(tis_lock);
+
+static int check_locality(struct tpm_chip *chip, int l)
+{
+ if ((ioread8(chip->vendor.iobase + TPM_ACCESS(l)) &
+ (TPM_ACCESS_ACTIVE_LOCALITY | TPM_ACCESS_VALID)) ==
+ (TPM_ACCESS_ACTIVE_LOCALITY | TPM_ACCESS_VALID))
+ return chip->vendor.locality = l;
+
+ return -1;
+}
+
+static void release_locality(struct tpm_chip *chip, int l, int force)
+{
+ if (force || (ioread8(chip->vendor.iobase + TPM_ACCESS(l)) &
+ (TPM_ACCESS_REQUEST_PENDING | TPM_ACCESS_VALID)) ==
+ (TPM_ACCESS_REQUEST_PENDING | TPM_ACCESS_VALID))
+ iowrite8(TPM_ACCESS_ACTIVE_LOCALITY,
+ chip->vendor.iobase + TPM_ACCESS(l));
+}
+
+static int request_locality(struct tpm_chip *chip, int l)
+{
+ unsigned long stop;
+ long rc;
+
+ if (check_locality(chip, l) >= 0)
+ return l;
+
+ iowrite8(TPM_ACCESS_REQUEST_USE,
+ chip->vendor.iobase + TPM_ACCESS(l));
+
+ if (chip->vendor.irq) {
+ rc = wait_event_interruptible_timeout(chip->vendor.int_queue,
+ (check_locality
+ (chip, l) >= 0),
+ chip->vendor.timeout_a);
+ if (rc > 0)
+ return l;
+
+ } else {
+ /* wait for burstcount */
+ stop = jiffies + chip->vendor.timeout_a;
+ do {
+ if (check_locality(chip, l) >= 0)
+ return l;
+ msleep(TPM_TIMEOUT);
+ }
+ while (time_before(jiffies, stop));
+ }
+ return -1;
+}
+
+static u8 tpm_tis_status(struct tpm_chip *chip)
+{
+ return ioread8(chip->vendor.iobase +
+ TPM_STS(chip->vendor.locality));
+}
+
+static void tpm_tis_ready(struct tpm_chip *chip)
+{
+ /* this causes the current command to be aborted */
+ iowrite8(TPM_STS_COMMAND_READY,
+ chip->vendor.iobase + TPM_STS(chip->vendor.locality));
+}
+
+static int get_burstcount(struct tpm_chip *chip)
+{
+ unsigned long stop;
+ int burstcnt;
+
+ /* wait for burstcount */
+ /* which timeout value, spec has 2 answers (c & d) */
+ stop = jiffies + chip->vendor.timeout_d;
+ do {
+ burstcnt = ioread8(chip->vendor.iobase +
+ TPM_STS(chip->vendor.locality) + 1);
+ burstcnt += ioread8(chip->vendor.iobase +
+ TPM_STS(chip->vendor.locality) +
+ 2) << 8;
+ if (burstcnt)
+ return burstcnt;
+ msleep(TPM_TIMEOUT);
+ } while (time_before(jiffies, stop));
+ return -EBUSY;
+}
+
+static int wait_for_stat(struct tpm_chip *chip, u8 mask, unsigned long timeout,
+ wait_queue_head_t *queue)
+{
+ unsigned long stop;
+ long rc;
+ u8 status;
+
+ /* check current status */
+ status = tpm_tis_status(chip);
+ if ((status & mask) == mask)
+ return 0;
+
+ if (chip->vendor.irq) {
+ rc = wait_event_interruptible_timeout(*queue,
+ ((tpm_tis_status
+ (chip) & mask) ==
+ mask), timeout);
+ if (rc > 0)
+ return 0;
+ } else {
+ stop = jiffies + timeout;
+ do {
+ msleep(TPM_TIMEOUT);
+ status = tpm_tis_status(chip);
+ if ((status & mask) == mask)
+ return 0;
+ } while (time_before(jiffies, stop));
+ }
+ return -ETIME;
+}
+
+static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count)
+{
+ int size = 0, burstcnt;
+ while (size < count &&
+ wait_for_stat(chip,
+ TPM_STS_DATA_AVAIL | TPM_STS_VALID,
+ chip->vendor.timeout_c,
+ &chip->vendor.read_queue)
+ == 0) {
+ burstcnt = get_burstcount(chip);
+ for (; burstcnt > 0 && size < count; burstcnt--)
+ buf[size++] = ioread8(chip->vendor.iobase +
+ TPM_DATA_FIFO(chip->vendor.
+ locality));
+ }
+ return size;
+}
+
+static int tpm_tis_recv(struct tpm_chip *chip, u8 *buf, size_t count)
+{
+ int size = 0;
+ int expected, status;
+
+ if (count < TPM_HEADER_SIZE) {
+ size = -EIO;
+ goto out;
+ }
+
+ /* read first 10 bytes, including tag, paramsize, and result */
+ if ((size =
+ recv_data(chip, buf, TPM_HEADER_SIZE)) < TPM_HEADER_SIZE) {
+ dev_err(chip->dev, "Unable to read header\n");
+ goto out;
+ }
+
+ expected = be32_to_cpu(*(__be32 *) (buf + 2));
+ if (expected > count) {
+ size = -EIO;
+ goto out;
+ }
+
+ if ((size +=
+ recv_data(chip, &buf[TPM_HEADER_SIZE],
+ expected - TPM_HEADER_SIZE)) < expected) {
+ dev_err(chip->dev, "Unable to read remainder of result\n");
+ size = -ETIME;
+ goto out;
+ }
+
+ wait_for_stat(chip, TPM_STS_VALID, chip->vendor.timeout_c,
+ &chip->vendor.int_queue);
+ status = tpm_tis_status(chip);
+ if (status & TPM_STS_DATA_AVAIL) { /* retry? */
+ dev_err(chip->dev, "Error left over data\n");
+ size = -EIO;
+ goto out;
+ }
+
+out:
+ tpm_tis_ready(chip);
+ release_locality(chip, chip->vendor.locality, 0);
+ return size;
+}
+
+/*
+ * If interrupts are used (signaled by an irq set in the vendor structure)
+ * tpm.c can skip polling for the data to be available as the interrupt is
+ * waited for here
+ */
+static int tpm_tis_send(struct tpm_chip *chip, u8 *buf, size_t len)
+{
+ int rc, status, burstcnt;
+ size_t count = 0;
+ u32 ordinal;
+
+ if (request_locality(chip, 0) < 0)
+ return -EBUSY;
+
+ status = tpm_tis_status(chip);
+ if ((status & TPM_STS_COMMAND_READY) == 0) {
+ tpm_tis_ready(chip);
+ if (wait_for_stat
+ (chip, TPM_STS_COMMAND_READY, chip->vendor.timeout_b,
+ &chip->vendor.int_queue) < 0) {
+ rc = -ETIME;
+ goto out_err;
+ }
+ }
+
+ while (count < len - 1) {
+ burstcnt = get_burstcount(chip);
+ for (; burstcnt > 0 && count < len - 1; burstcnt--) {
+ iowrite8(buf[count], chip->vendor.iobase +
+ TPM_DATA_FIFO(chip->vendor.locality));
+ count++;
+ }
+
+ wait_for_stat(chip, TPM_STS_VALID, chip->vendor.timeout_c,
+ &chip->vendor.int_queue);
+ status = tpm_tis_status(chip);
+ if ((status & TPM_STS_DATA_EXPECT) == 0) {
+ rc = -EIO;
+ goto out_err;
+ }
+ }
+
+ /* write last byte */
+ iowrite8(buf[count],
+ chip->vendor.iobase +
+ TPM_DATA_FIFO(chip->vendor.locality));
+ wait_for_stat(chip, TPM_STS_VALID, chip->vendor.timeout_c,
+ &chip->vendor.int_queue);
+ status = tpm_tis_status(chip);
+ if ((status & TPM_STS_DATA_EXPECT) != 0) {
+ rc = -EIO;
+ goto out_err;
+ }
+
+ /* go and do it */
+ iowrite8(TPM_STS_GO,
+ chip->vendor.iobase + TPM_STS(chip->vendor.locality));
+
+ if (chip->vendor.irq) {
+ ordinal = be32_to_cpu(*((__be32 *) (buf + 6)));
+ if (wait_for_stat
+ (chip, TPM_STS_DATA_AVAIL | TPM_STS_VALID,
+ tpm_calc_ordinal_duration(chip, ordinal),
+ &chip->vendor.read_queue) < 0) {
+ rc = -ETIME;
+ goto out_err;
+ }
+ }
+ return len;
+out_err:
+ tpm_tis_ready(chip);
+ release_locality(chip, chip->vendor.locality, 0);
+ return rc;
+}
+
+static struct file_operations tis_ops = {
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .open = tpm_open,
+ .read = tpm_read,
+ .write = tpm_write,
+ .release = tpm_release,
+};
+
+static DEVICE_ATTR(pubek, S_IRUGO, tpm_show_pubek, NULL);
+static DEVICE_ATTR(pcrs, S_IRUGO, tpm_show_pcrs, NULL);
+static DEVICE_ATTR(enabled, S_IRUGO, tpm_show_enabled, NULL);
+static DEVICE_ATTR(active, S_IRUGO, tpm_show_active, NULL);
+static DEVICE_ATTR(owned, S_IRUGO, tpm_show_owned, NULL);
+static DEVICE_ATTR(temp_deactivated, S_IRUGO, tpm_show_temp_deactivated,
+ NULL);
+static DEVICE_ATTR(caps, S_IRUGO, tpm_show_caps_1_2, NULL);
+static DEVICE_ATTR(cancel, S_IWUSR | S_IWGRP, NULL, tpm_store_cancel);
+
+static struct attribute *tis_attrs[] = {
+ &dev_attr_pubek.attr,
+ &dev_attr_pcrs.attr,
+ &dev_attr_enabled.attr,
+ &dev_attr_active.attr,
+ &dev_attr_owned.attr,
+ &dev_attr_temp_deactivated.attr,
+ &dev_attr_caps.attr,
+ &dev_attr_cancel.attr, NULL,
+};
+
+static struct attribute_group tis_attr_grp = {
+ .attrs = tis_attrs
+};
+
+static struct tpm_vendor_specific tpm_tis = {
+ .status = tpm_tis_status,
+ .recv = tpm_tis_recv,
+ .send = tpm_tis_send,
+ .cancel = tpm_tis_ready,
+ .req_complete_mask = TPM_STS_DATA_AVAIL | TPM_STS_VALID,
+ .req_complete_val = TPM_STS_DATA_AVAIL | TPM_STS_VALID,
+ .req_canceled = TPM_STS_COMMAND_READY,
+ .attr_group = &tis_attr_grp,
+ .miscdev = {
+ .fops = &tis_ops,},
+};
+
+static irqreturn_t tis_int_probe(int irq, void *dev_id, struct pt_regs *regs)
+{
+ struct tpm_chip *chip = (struct tpm_chip *) dev_id;
+ u32 interrupt;
+
+ interrupt = ioread32(chip->vendor.iobase +
+ TPM_INT_STATUS(chip->vendor.locality));
+
+ if (interrupt == 0)
+ return IRQ_NONE;
+
+ chip->vendor.irq = irq;
+
+ /* Clear interrupts handled with TPM_EOI */
+ iowrite32(interrupt,
+ chip->vendor.iobase +
+ TPM_INT_STATUS(chip->vendor.locality));
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t tis_int_handler(int irq, void *dev_id, struct pt_regs *regs)
+{
+ struct tpm_chip *chip = (struct tpm_chip *) dev_id;
+ u32 interrupt;
+ int i;
+
+ interrupt = ioread32(chip->vendor.iobase +
+ TPM_INT_STATUS(chip->vendor.locality));
+
+ if (interrupt == 0)
+ return IRQ_NONE;
+
+ if (interrupt & TPM_INTF_DATA_AVAIL_INT)
+ wake_up_interruptible(&chip->vendor.read_queue);
+ if (interrupt & TPM_INTF_LOCALITY_CHANGE_INT)
+ for (i = 0; i < 5; i++)
+ if (check_locality(chip, i) >= 0)
+ break;
+ if (interrupt &
+ (TPM_INTF_LOCALITY_CHANGE_INT | TPM_INTF_STS_VALID_INT |
+ TPM_INTF_CMD_READY_INT))
+ wake_up_interruptible(&chip->vendor.int_queue);
+
+ /* Clear interrupts handled with TPM_EOI */
+ iowrite32(interrupt,
+ chip->vendor.iobase +
+ TPM_INT_STATUS(chip->vendor.locality));
+ return IRQ_HANDLED;
+}
+
+static int interrupts = 1;
+module_param(interrupts, bool, 0444);
+MODULE_PARM_DESC(interrupts, "Enable interrupts");
+
+static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
+ const struct pnp_device_id *pnp_id)
+{
+ u32 vendor, intfcaps, intmask;
+ int rc, i;
+ unsigned long start, len;
+ struct tpm_chip *chip;
+
+ start = pnp_mem_start(pnp_dev, 0);
+ len = pnp_mem_len(pnp_dev, 0);
+
+ if (!start)
+ start = TIS_MEM_BASE;
+ if (!len)
+ len = TIS_MEM_LEN;
+
+ if (!(chip = tpm_register_hardware(&pnp_dev->dev, &tpm_tis)))
+ return -ENODEV;
+
+ chip->vendor.iobase = ioremap(start, len);
+ if (!chip->vendor.iobase) {
+ rc = -EIO;
+ goto out_err;
+ }
+
+ vendor = ioread32(chip->vendor.iobase + TPM_DID_VID(0));
+ if ((vendor & 0xFFFF) == 0xFFFF) {
+ rc = -ENODEV;
+ goto out_err;
+ }
+
+ /* Default timeouts */
+ chip->vendor.timeout_a = msecs_to_jiffies(TIS_SHORT_TIMEOUT);
+ chip->vendor.timeout_b = msecs_to_jiffies(TIS_LONG_TIMEOUT);
+ chip->vendor.timeout_c = msecs_to_jiffies(TIS_SHORT_TIMEOUT);
+ chip->vendor.timeout_d = msecs_to_jiffies(TIS_SHORT_TIMEOUT);
+
+ dev_info(&pnp_dev->dev,
+ "1.2 TPM (device-id 0x%X, rev-id %d)\n",
+ vendor >> 16, ioread8(chip->vendor.iobase + TPM_RID(0)));
+
+ /* Figure out the capabilities */
+ intfcaps =
+ ioread32(chip->vendor.iobase +
+ TPM_INTF_CAPS(chip->vendor.locality));
+ dev_dbg(&pnp_dev->dev, "TPM interface capabilities (0x%x):\n",
+ intfcaps);
+ if (intfcaps & TPM_INTF_BURST_COUNT_STATIC)
+ dev_dbg(&pnp_dev->dev, "\tBurst Count Static\n");
+ if (intfcaps & TPM_INTF_CMD_READY_INT)
+ dev_dbg(&pnp_dev->dev, "\tCommand Ready Int Support\n");
+ if (intfcaps & TPM_INTF_INT_EDGE_FALLING)
+ dev_dbg(&pnp_dev->dev, "\tInterrupt Edge Falling\n");
+ if (intfcaps & TPM_INTF_INT_EDGE_RISING)
+ dev_dbg(&pnp_dev->dev, "\tInterrupt Edge Rising\n");
+ if (intfcaps & TPM_INTF_INT_LEVEL_LOW)
+ dev_dbg(&pnp_dev->dev, "\tInterrupt Level Low\n");
+ if (intfcaps & TPM_INTF_INT_LEVEL_HIGH)
+ dev_dbg(&pnp_dev->dev, "\tInterrupt Level High\n");
+ if (intfcaps & TPM_INTF_LOCALITY_CHANGE_INT)
+ dev_dbg(&pnp_dev->dev, "\tLocality Change Int Support\n");
+ if (intfcaps & TPM_INTF_STS_VALID_INT)
+ dev_dbg(&pnp_dev->dev, "\tSts Valid Int Support\n");
+ if (intfcaps & TPM_INTF_DATA_AVAIL_INT)
+ dev_dbg(&pnp_dev->dev, "\tData Avail Int Support\n");
+
+ if (request_locality(chip, 0) != 0) {
+ rc = -ENODEV;
+ goto out_err;
+ }
+
+ /* INTERRUPT Setup */
+ init_waitqueue_head(&chip->vendor.read_queue);
+ init_waitqueue_head(&chip->vendor.int_queue);
+
+ intmask =
+ ioread32(chip->vendor.iobase +
+ TPM_INT_ENABLE(chip->vendor.locality));
+
+ intmask |= TPM_INTF_CMD_READY_INT
+ | TPM_INTF_LOCALITY_CHANGE_INT | TPM_INTF_DATA_AVAIL_INT
+ | TPM_INTF_STS_VALID_INT;
+
+ iowrite32(intmask,
+ chip->vendor.iobase +
+ TPM_INT_ENABLE(chip->vendor.locality));
+ if (interrupts) {
+ chip->vendor.irq =
+ ioread8(chip->vendor.iobase +
+ TPM_INT_VECTOR(chip->vendor.locality));
+
+ for (i = 3; i < 16 && chip->vendor.irq == 0; i++) {
+ iowrite8(i, chip->vendor.iobase +
+ TPM_INT_VECTOR(chip->vendor.locality));
+ if (request_irq
+ (i, tis_int_probe, SA_SHIRQ,
+ chip->vendor.miscdev.name, chip) != 0) {
+ dev_info(chip->dev,
+ "Unable to request irq: %d for probe\n",
+ i);
+ continue;
+ }
+
+ /* Clear all existing */
+ iowrite32(ioread32
+ (chip->vendor.iobase +
+ TPM_INT_STATUS(chip->vendor.locality)),
+ chip->vendor.iobase +
+ TPM_INT_STATUS(chip->vendor.locality));
+
+ /* Turn on */
+ iowrite32(intmask | TPM_GLOBAL_INT_ENABLE,
+ chip->vendor.iobase +
+ TPM_INT_ENABLE(chip->vendor.locality));
+
+ /* Generate Interrupts */
+ tpm_gen_interrupt(chip);
+
+ /* Turn off */
+ iowrite32(intmask,
+ chip->vendor.iobase +
+ TPM_INT_ENABLE(chip->vendor.locality));
+ free_irq(i, chip);
+ }
+ }
+ if (chip->vendor.irq) {
+ iowrite8(chip->vendor.irq,
+ chip->vendor.iobase +
+ TPM_INT_VECTOR(chip->vendor.locality));
+ if (request_irq
+ (chip->vendor.irq, tis_int_handler, SA_SHIRQ,
+ chip->vendor.miscdev.name, chip) != 0) {
+ dev_info(chip->dev,
+ "Unable to request irq: %d for use\n",
+ chip->vendor.irq);
+ chip->vendor.irq = 0;
+ } else {
+ /* Clear all existing */
+ iowrite32(ioread32
+ (chip->vendor.iobase +
+ TPM_INT_STATUS(chip->vendor.locality)),
+ chip->vendor.iobase +
+ TPM_INT_STATUS(chip->vendor.locality));
+
+ /* Turn on */
+ iowrite32(intmask | TPM_GLOBAL_INT_ENABLE,
+ chip->vendor.iobase +
+ TPM_INT_ENABLE(chip->vendor.locality));
+ }
+ }
+
+ INIT_LIST_HEAD(&chip->vendor.list);
+ spin_lock(&tis_lock);
+ list_add(&chip->vendor.list, &tis_chips);
+ spin_unlock(&tis_lock);
+
+ tpm_get_timeouts(chip);
+ tpm_continue_selftest(chip);
+
+ return 0;
+out_err:
+ if (chip->vendor.iobase)
+ iounmap(chip->vendor.iobase);
+ tpm_remove_hardware(chip->dev);
+ return rc;
+}
+
+static int tpm_tis_pnp_suspend(struct pnp_dev *dev, pm_message_t msg)
+{
+ return tpm_pm_suspend(&dev->dev, msg);
+}
+
+static int tpm_tis_pnp_resume(struct pnp_dev *dev)
+{
+ return tpm_pm_resume(&dev->dev);
+}
+
+static struct pnp_device_id tpm_pnp_tbl[] __devinitdata = {
+ {"PNP0C31", 0}, /* TPM */
+ {"ATM1200", 0}, /* Atmel */
+ {"IFX0102", 0}, /* Infineon */
+ {"BCM0101", 0}, /* Broadcom */
+ {"NSC1200", 0}, /* National */
+ /* Add new here */
+ {"", 0}, /* User Specified */
+ {"", 0} /* Terminator */
+};
+
+static struct pnp_driver tis_pnp_driver = {
+ .name = "tpm_tis",
+ .id_table = tpm_pnp_tbl,
+ .probe = tpm_tis_pnp_init,
+ .suspend = tpm_tis_pnp_suspend,
+ .resume = tpm_tis_pnp_resume,
+};
+
+#define TIS_HID_USR_IDX sizeof(tpm_pnp_tbl)/sizeof(struct pnp_device_id) -2
+module_param_string(hid, tpm_pnp_tbl[TIS_HID_USR_IDX].id,
+ sizeof(tpm_pnp_tbl[TIS_HID_USR_IDX].id), 0444);
+MODULE_PARM_DESC(hid, "Set additional specific HID for this driver to probe");
+
+static int __init init_tis(void)
+{
+ return pnp_register_driver(&tis_pnp_driver);
+}
+
+static void __exit cleanup_tis(void)
+{
+ struct tpm_vendor_specific *i, *j;
+ struct tpm_chip *chip;
+ spin_lock(&tis_lock);
+ list_for_each_entry_safe(i, j, &tis_chips, list) {
+ chip = to_tpm_chip(i);
+ iowrite32(~TPM_GLOBAL_INT_ENABLE &
+ ioread32(chip->vendor.iobase +
+ TPM_INT_ENABLE(chip->vendor.
+ locality)),
+ chip->vendor.iobase +
+ TPM_INT_ENABLE(chip->vendor.locality));
+ release_locality(chip, chip->vendor.locality, 1);
+ if (chip->vendor.irq)
+ free_irq(chip->vendor.irq, chip);
+ iounmap(i->iobase);
+ list_del(&i->list);
+ tpm_remove_hardware(chip->dev);
+ }
+ spin_unlock(&tis_lock);
+ pnp_unregister_driver(&tis_pnp_driver);
+}
+
+module_init(init_tis);
+module_exit(cleanup_tis);
+MODULE_AUTHOR("Leendert van Doorn (leendert@watson.ibm.com)");
+MODULE_DESCRIPTION("TPM Driver");
+MODULE_VERSION("2.0");
+MODULE_LICENSE("GPL");
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 841f0bd3eaa..f07637a8f88 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -2723,7 +2723,11 @@ static void __do_SAK(void *arg)
}
task_lock(p);
if (p->files) {
- rcu_read_lock();
+ /*
+ * We don't take a ref to the file, so we must
+ * hold ->file_lock instead.
+ */
+ spin_lock(&p->files->file_lock);
fdt = files_fdtable(p->files);
for (i=0; i < fdt->max_fds; i++) {
filp = fcheck_files(p->files, i);
@@ -2738,7 +2742,7 @@ static void __do_SAK(void *arg)
break;
}
}
- rcu_read_unlock();
+ spin_unlock(&p->files->file_lock);
}
task_unlock(p);
} while_each_thread(g, p);
diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
index 60c9be99c6d..2cc71b66231 100644
--- a/drivers/cpufreq/Kconfig
+++ b/drivers/cpufreq/Kconfig
@@ -99,7 +99,7 @@ config CPU_FREQ_GOV_USERSPACE
Enable this cpufreq governor when you either want to set the
CPU frequency manually or when an userspace program shall
be able to set the CPU dynamically, like on LART
- <http://www.lart.tudelft.nl/>
+ <http://www.lartmaker.nl/>.
For details, take a look at <file:Documentation/cpu-freq/>.
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 9b6ae7dc8b8..29b2fa5534a 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -319,7 +319,6 @@ out:
}
return -EINVAL;
}
-EXPORT_SYMBOL_GPL(cpufreq_parse_governor);
/* drivers/base/cpu.c */
@@ -346,6 +345,8 @@ show_one(scaling_min_freq, min);
show_one(scaling_max_freq, max);
show_one(scaling_cur_freq, cur);
+static int __cpufreq_set_policy(struct cpufreq_policy *data, struct cpufreq_policy *policy);
+
/**
* cpufreq_per_cpu_attr_write() / store_##file_name() - sysfs write access
*/
@@ -364,7 +365,10 @@ static ssize_t store_##file_name \
if (ret != 1) \
return -EINVAL; \
\
- ret = cpufreq_set_policy(&new_policy); \
+ mutex_lock(&policy->lock); \
+ ret = __cpufreq_set_policy(policy, &new_policy); \
+ policy->user_policy.object = policy->object; \
+ mutex_unlock(&policy->lock); \
\
return ret ? ret : count; \
}
@@ -420,7 +424,15 @@ static ssize_t store_scaling_governor (struct cpufreq_policy * policy,
if (cpufreq_parse_governor(str_governor, &new_policy.policy, &new_policy.governor))
return -EINVAL;
- ret = cpufreq_set_policy(&new_policy);
+ /* Do not use cpufreq_set_policy here or the user_policy.max
+ will be wrongly overridden */
+ mutex_lock(&policy->lock);
+ ret = __cpufreq_set_policy(policy, &new_policy);
+
+ policy->user_policy.policy = policy->policy;
+ policy->user_policy.governor = policy->governor;
+ mutex_unlock(&policy->lock);
+
return ret ? ret : count;
}
@@ -685,7 +697,7 @@ static int cpufreq_add_dev (struct sys_device * sys_dev)
if (!cpu_online(j))
continue;
- dprintk("CPU already managed, adding link\n");
+ dprintk("CPU %u already managed, adding link\n", j);
cpufreq_cpu_get(cpu);
cpu_sys_dev = get_cpu_sysdev(j);
sysfs_create_link(&cpu_sys_dev->kobj, &policy->kobj,
@@ -695,9 +707,8 @@ static int cpufreq_add_dev (struct sys_device * sys_dev)
policy->governor = NULL; /* to assure that the starting sequence is
* run in cpufreq_set_policy */
mutex_unlock(&policy->lock);
-
+
/* set default policy */
-
ret = cpufreq_set_policy(&new_policy);
if (ret) {
dprintk("setting policy failed\n");
@@ -707,7 +718,7 @@ static int cpufreq_add_dev (struct sys_device * sys_dev)
module_put(cpufreq_driver->owner);
dprintk("initialization complete\n");
cpufreq_debug_enable_ratelimit();
-
+
return 0;
@@ -1486,7 +1497,7 @@ int cpufreq_update_policy(unsigned int cpu)
}
EXPORT_SYMBOL(cpufreq_update_policy);
-static int __cpuinit cpufreq_cpu_callback(struct notifier_block *nfb,
+static int cpufreq_cpu_callback(struct notifier_block *nfb,
unsigned long action, void *hcpu)
{
unsigned int cpu = (unsigned long)hcpu;
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 037f6bf4543..e07a35487bd 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -176,8 +176,7 @@ static ssize_t store_up_threshold(struct cpufreq_policy *unused,
ret = sscanf (buf, "%u", &input);
mutex_lock(&dbs_mutex);
- if (ret != 1 || input > 100 || input < 0 ||
- input <= dbs_tuners_ins.down_threshold) {
+ if (ret != 1 || input > 100 || input <= dbs_tuners_ins.down_threshold) {
mutex_unlock(&dbs_mutex);
return -EINVAL;
}
@@ -196,8 +195,7 @@ static ssize_t store_down_threshold(struct cpufreq_policy *unused,
ret = sscanf (buf, "%u", &input);
mutex_lock(&dbs_mutex);
- if (ret != 1 || input > 100 || input < 0 ||
- input >= dbs_tuners_ins.up_threshold) {
+ if (ret != 1 || input > 100 || input >= dbs_tuners_ins.up_threshold) {
mutex_unlock(&dbs_mutex);
return -EINVAL;
}
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 8e0f3158215..dfca7493362 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -478,6 +478,11 @@ static s32 i801_access(struct i2c_adapter * adap, u16 addr,
ret = i801_transaction();
}
+ /* Some BIOSes don't like it when PEC is enabled at reboot or resume
+ time, so we forcibly disable it after every transaction. */
+ if (hwpec)
+ outb_p(0, SMBAUXCTL);
+
if(block)
return ret;
if(ret)
diff --git a/drivers/i2c/chips/m41t00.c b/drivers/i2c/chips/m41t00.c
index 27fc9ff2961..99ab4ec3439 100644
--- a/drivers/i2c/chips/m41t00.c
+++ b/drivers/i2c/chips/m41t00.c
@@ -131,13 +131,13 @@ m41t00_set(void *arg)
if ((i2c_smbus_write_byte_data(save_client, 0, tm.tm_sec & 0x7f) < 0)
|| (i2c_smbus_write_byte_data(save_client, 1, tm.tm_min & 0x7f)
< 0)
- || (i2c_smbus_write_byte_data(save_client, 2, tm.tm_hour & 0x7f)
+ || (i2c_smbus_write_byte_data(save_client, 2, tm.tm_hour & 0x3f)
< 0)
- || (i2c_smbus_write_byte_data(save_client, 4, tm.tm_mday & 0x7f)
+ || (i2c_smbus_write_byte_data(save_client, 4, tm.tm_mday & 0x3f)
< 0)
- || (i2c_smbus_write_byte_data(save_client, 5, tm.tm_mon & 0x7f)
+ || (i2c_smbus_write_byte_data(save_client, 5, tm.tm_mon & 0x1f)
< 0)
- || (i2c_smbus_write_byte_data(save_client, 6, tm.tm_year & 0x7f)
+ || (i2c_smbus_write_byte_data(save_client, 6, tm.tm_year & 0xff)
< 0))
dev_warn(&save_client->dev,"m41t00: can't write to rtc chip\n");
diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c
index cf84350efc5..8b24b4f2a83 100644
--- a/drivers/ide/pci/alim15x3.c
+++ b/drivers/ide/pci/alim15x3.c
@@ -731,6 +731,8 @@ static unsigned int __devinit ata66_ali15x3 (ide_hwif_t *hwif)
if(m5229_revision <= 0x20)
tmpbyte = (tmpbyte & (~0x02)) | 0x01;
+ else if (m5229_revision == 0xc7)
+ tmpbyte |= 0x03;
else
tmpbyte |= 0x01;
diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c
index df9ee9a7843..900efd1da58 100644
--- a/drivers/ide/pci/atiixp.c
+++ b/drivers/ide/pci/atiixp.c
@@ -348,6 +348,7 @@ static struct pci_device_id atiixp_pci_tbl[] = {
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP200_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP300_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ 0, },
};
MODULE_DEVICE_TABLE(pci, atiixp_pci_tbl);
diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c
index 6f8f8645b02..7ce5bf78368 100644
--- a/drivers/ide/pci/pdc202xx_old.c
+++ b/drivers/ide/pci/pdc202xx_old.c
@@ -798,7 +798,6 @@ static ide_pci_device_t pdc202xx_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.bootable = OFF_BOARD,
.extra = 48,
- .flags = IDEPCI_FLAG_FORCE_PDC,
},{ /* 2 */
.name = "PDC20263",
.init_setup = init_setup_pdc202ata4,
@@ -819,7 +818,6 @@ static ide_pci_device_t pdc202xx_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.bootable = OFF_BOARD,
.extra = 48,
- .flags = IDEPCI_FLAG_FORCE_PDC,
},{ /* 4 */
.name = "PDC20267",
.init_setup = init_setup_pdc202xx,
diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
index 7ebf992e8c2..462ed3006c3 100644
--- a/drivers/ide/setup-pci.c
+++ b/drivers/ide/setup-pci.c
@@ -580,7 +580,6 @@ void ide_pci_setup_ports(struct pci_dev *dev, ide_pci_device_t *d, int pciirq, a
int port;
int at_least_one_hwif_enabled = 0;
ide_hwif_t *hwif, *mate = NULL;
- static int secondpdc = 0;
u8 tmp;
index->all = 0xf0f0;
@@ -592,21 +591,9 @@ void ide_pci_setup_ports(struct pci_dev *dev, ide_pci_device_t *d, int pciirq, a
for (port = 0; port <= 1; ++port) {
ide_pci_enablebit_t *e = &(d->enablebits[port]);
- /*
- * If this is a Promise FakeRaid controller,
- * the 2nd controller will be marked as
- * disabled while it is actually there and enabled
- * by the bios for raid purposes.
- * Skip the normal "is it enabled" test for those.
- */
- if ((d->flags & IDEPCI_FLAG_FORCE_PDC) &&
- (secondpdc++==1) && (port==1))
- goto controller_ok;
-
if (e->reg && (pci_read_config_byte(dev, e->reg, &tmp) ||
(tmp & e->mask) != e->val))
continue; /* port not enabled */
-controller_ok:
if (d->channels <= port)
break;
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 3a702da83e4..469b6923a2e 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -228,10 +228,7 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device,
goto error1;
}
/* Make sure class supplied is consistent with RMPP */
- if (ib_is_mad_class_rmpp(mad_reg_req->mgmt_class)) {
- if (!rmpp_version)
- goto error1;
- } else {
+ if (!ib_is_mad_class_rmpp(mad_reg_req->mgmt_class)) {
if (rmpp_version)
goto error1;
}
diff --git a/drivers/infiniband/hw/ipath/ipath_diag.c b/drivers/infiniband/hw/ipath/ipath_diag.c
index cd533cf951c..7d3fb6996b4 100644
--- a/drivers/infiniband/hw/ipath/ipath_diag.c
+++ b/drivers/infiniband/hw/ipath/ipath_diag.c
@@ -365,15 +365,3 @@ static ssize_t ipath_diag_write(struct file *fp, const char __user *data,
bail:
return ret;
}
-
-void ipath_diag_bringup_link(struct ipath_devdata *dd)
-{
- if (diag_set_link || (dd->ipath_flags & IPATH_LINKACTIVE))
- return;
-
- diag_set_link = 1;
- ipath_cdbg(VERBOSE, "Trying to set to set link active for "
- "diag pkt\n");
- ipath_layer_set_linkstate(dd, IPATH_IB_LINKARM);
- ipath_layer_set_linkstate(dd, IPATH_IB_LINKACTIVE);
-}
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index 58a94efb007..e7617c3982e 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -1729,7 +1729,7 @@ void ipath_free_pddata(struct ipath_devdata *dd, u32 port, int freehdrq)
}
}
-int __init infinipath_init(void)
+static int __init infinipath_init(void)
{
int ret;
diff --git a/drivers/infiniband/hw/ipath/ipath_intr.c b/drivers/infiniband/hw/ipath/ipath_intr.c
index 60f5f410806..0bcb428041f 100644
--- a/drivers/infiniband/hw/ipath/ipath_intr.c
+++ b/drivers/infiniband/hw/ipath/ipath_intr.c
@@ -172,8 +172,8 @@ static void handle_e_ibstatuschanged(struct ipath_devdata *dd,
"was %s\n", dd->ipath_unit,
ib_linkstate(lstate),
ib_linkstate((unsigned)
- dd->ipath_lastibcstat
- & IPATH_IBSTATE_MASK));
+ dd->ipath_lastibcstat
+ & IPATH_IBSTATE_MASK));
}
else {
lstate = dd->ipath_lastibcstat & IPATH_IBSTATE_MASK;
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index 159d0aed31a..0ce5f19c9d6 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -528,7 +528,6 @@ extern spinlock_t ipath_devs_lock;
extern struct ipath_devdata *ipath_lookup(int unit);
extern u16 ipath_layer_rcv_opcode;
-extern int ipath_verbs_registered;
extern int __ipath_layer_intr(struct ipath_devdata *, u32);
extern int ipath_layer_intr(struct ipath_devdata *, u32);
extern int __ipath_layer_rcv(struct ipath_devdata *, void *,
diff --git a/drivers/infiniband/hw/ipath/ipath_layer.c b/drivers/infiniband/hw/ipath/ipath_layer.c
index 2cabf634057..69ed1100701 100644
--- a/drivers/infiniband/hw/ipath/ipath_layer.c
+++ b/drivers/infiniband/hw/ipath/ipath_layer.c
@@ -52,7 +52,7 @@ static int (*layer_rcv)(void *, void *, struct sk_buff *);
static int (*layer_rcv_lid)(void *, void *);
static int (*verbs_piobufavail)(void *);
static void (*verbs_rcv)(void *, void *, void *, u32);
-int ipath_verbs_registered;
+static int ipath_verbs_registered;
static void *(*layer_add_one)(int, struct ipath_devdata *);
static void (*layer_remove_one)(void *);
diff --git a/drivers/infiniband/hw/ipath/ipath_pe800.c b/drivers/infiniband/hw/ipath/ipath_pe800.c
index e693a7a8266..e1dc4f75706 100644
--- a/drivers/infiniband/hw/ipath/ipath_pe800.c
+++ b/drivers/infiniband/hw/ipath/ipath_pe800.c
@@ -305,8 +305,8 @@ static const struct ipath_cregs ipath_pe_cregs = {
* we'll print them and continue. We reuse the same message buffer as
* ipath_handle_errors() to avoid excessive stack usage.
*/
-void ipath_pe_handle_hwerrors(struct ipath_devdata *dd, char *msg,
- size_t msgl)
+static void ipath_pe_handle_hwerrors(struct ipath_devdata *dd, char *msg,
+ size_t msgl)
{
ipath_err_t hwerrs;
u32 bits, ctrl;
@@ -552,7 +552,7 @@ static int ipath_pe_boardname(struct ipath_devdata *dd, char *name,
* freeze mode), and enable hardware errors as errors (along with
* everything else) in errormask
*/
-void ipath_pe_init_hwerrors(struct ipath_devdata *dd)
+static void ipath_pe_init_hwerrors(struct ipath_devdata *dd)
{
ipath_err_t val;
u64 extsval;
@@ -577,7 +577,7 @@ void ipath_pe_init_hwerrors(struct ipath_devdata *dd)
* ipath_pe_bringup_serdes - bring up the serdes
* @dd: the infinipath device
*/
-int ipath_pe_bringup_serdes(struct ipath_devdata *dd)
+static int ipath_pe_bringup_serdes(struct ipath_devdata *dd)
{
u64 val, tmp, config1;
int ret = 0, change = 0;
@@ -694,7 +694,7 @@ int ipath_pe_bringup_serdes(struct ipath_devdata *dd)
* @dd: the infinipath device
* Called when driver is being unloaded
*/
-void ipath_pe_quiet_serdes(struct ipath_devdata *dd)
+static void ipath_pe_quiet_serdes(struct ipath_devdata *dd)
{
u64 val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_serdesconfig0);
diff --git a/drivers/infiniband/hw/ipath/ipath_qp.c b/drivers/infiniband/hw/ipath/ipath_qp.c
index 6058d70d757..18890716db1 100644
--- a/drivers/infiniband/hw/ipath/ipath_qp.c
+++ b/drivers/infiniband/hw/ipath/ipath_qp.c
@@ -188,8 +188,8 @@ static void free_qpn(struct ipath_qp_table *qpt, u32 qpn)
* Allocate the next available QPN and put the QP into the hash table.
* The hash table holds a reference to the QP.
*/
-int ipath_alloc_qpn(struct ipath_qp_table *qpt, struct ipath_qp *qp,
- enum ib_qp_type type)
+static int ipath_alloc_qpn(struct ipath_qp_table *qpt, struct ipath_qp *qp,
+ enum ib_qp_type type)
{
unsigned long flags;
u32 qpn;
@@ -232,7 +232,7 @@ bail:
* Remove the QP from the table so it can't be found asynchronously by
* the receive interrupt routine.
*/
-void ipath_free_qp(struct ipath_qp_table *qpt, struct ipath_qp *qp)
+static void ipath_free_qp(struct ipath_qp_table *qpt, struct ipath_qp *qp)
{
struct ipath_qp *q, **qpp;
unsigned long flags;
@@ -358,6 +358,65 @@ static void ipath_reset_qp(struct ipath_qp *qp)
}
/**
+ * ipath_error_qp - put a QP into an error state
+ * @qp: the QP to put into an error state
+ *
+ * Flushes both send and receive work queues.
+ * QP r_rq.lock and s_lock should be held.
+ */
+
+static void ipath_error_qp(struct ipath_qp *qp)
+{
+ struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
+ struct ib_wc wc;
+
+ _VERBS_INFO("QP%d/%d in error state\n",
+ qp->ibqp.qp_num, qp->remote_qpn);
+
+ spin_lock(&dev->pending_lock);
+ /* XXX What if its already removed by the timeout code? */
+ if (qp->timerwait.next != LIST_POISON1)
+ list_del(&qp->timerwait);
+ if (qp->piowait.next != LIST_POISON1)
+ list_del(&qp->piowait);
+ spin_unlock(&dev->pending_lock);
+
+ wc.status = IB_WC_WR_FLUSH_ERR;
+ wc.vendor_err = 0;
+ wc.byte_len = 0;
+ wc.imm_data = 0;
+ wc.qp_num = qp->ibqp.qp_num;
+ wc.src_qp = 0;
+ wc.wc_flags = 0;
+ wc.pkey_index = 0;
+ wc.slid = 0;
+ wc.sl = 0;
+ wc.dlid_path_bits = 0;
+ wc.port_num = 0;
+
+ while (qp->s_last != qp->s_head) {
+ struct ipath_swqe *wqe = get_swqe_ptr(qp, qp->s_last);
+
+ wc.wr_id = wqe->wr.wr_id;
+ wc.opcode = ib_ipath_wc_opcode[wqe->wr.opcode];
+ if (++qp->s_last >= qp->s_size)
+ qp->s_last = 0;
+ ipath_cq_enter(to_icq(qp->ibqp.send_cq), &wc, 1);
+ }
+ qp->s_cur = qp->s_tail = qp->s_head;
+ qp->s_hdrwords = 0;
+ qp->s_ack_state = IB_OPCODE_RC_ACKNOWLEDGE;
+
+ wc.opcode = IB_WC_RECV;
+ while (qp->r_rq.tail != qp->r_rq.head) {
+ wc.wr_id = get_rwqe_ptr(&qp->r_rq, qp->r_rq.tail)->wr_id;
+ if (++qp->r_rq.tail >= qp->r_rq.size)
+ qp->r_rq.tail = 0;
+ ipath_cq_enter(to_icq(qp->ibqp.recv_cq), &wc, 1);
+ }
+}
+
+/**
* ipath_modify_qp - modify the attributes of a queue pair
* @ibqp: the queue pair who's attributes we're modifying
* @attr: the new attributes
@@ -821,65 +880,6 @@ void ipath_sqerror_qp(struct ipath_qp *qp, struct ib_wc *wc)
}
/**
- * ipath_error_qp - put a QP into an error state
- * @qp: the QP to put into an error state
- *
- * Flushes both send and receive work queues.
- * QP r_rq.lock and s_lock should be held.
- */
-
-void ipath_error_qp(struct ipath_qp *qp)
-{
- struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
- struct ib_wc wc;
-
- _VERBS_INFO("QP%d/%d in error state\n",
- qp->ibqp.qp_num, qp->remote_qpn);
-
- spin_lock(&dev->pending_lock);
- /* XXX What if its already removed by the timeout code? */
- if (qp->timerwait.next != LIST_POISON1)
- list_del(&qp->timerwait);
- if (qp->piowait.next != LIST_POISON1)
- list_del(&qp->piowait);
- spin_unlock(&dev->pending_lock);
-
- wc.status = IB_WC_WR_FLUSH_ERR;
- wc.vendor_err = 0;
- wc.byte_len = 0;
- wc.imm_data = 0;
- wc.qp_num = qp->ibqp.qp_num;
- wc.src_qp = 0;
- wc.wc_flags = 0;
- wc.pkey_index = 0;
- wc.slid = 0;
- wc.sl = 0;
- wc.dlid_path_bits = 0;
- wc.port_num = 0;
-
- while (qp->s_last != qp->s_head) {
- struct ipath_swqe *wqe = get_swqe_ptr(qp, qp->s_last);
-
- wc.wr_id = wqe->wr.wr_id;
- wc.opcode = ib_ipath_wc_opcode[wqe->wr.opcode];
- if (++qp->s_last >= qp->s_size)
- qp->s_last = 0;
- ipath_cq_enter(to_icq(qp->ibqp.send_cq), &wc, 1);
- }
- qp->s_cur = qp->s_tail = qp->s_head;
- qp->s_hdrwords = 0;
- qp->s_ack_state = IB_OPCODE_RC_ACKNOWLEDGE;
-
- wc.opcode = IB_WC_RECV;
- while (qp->r_rq.tail != qp->r_rq.head) {
- wc.wr_id = get_rwqe_ptr(&qp->r_rq, qp->r_rq.tail)->wr_id;
- if (++qp->r_rq.tail >= qp->r_rq.size)
- qp->r_rq.tail = 0;
- ipath_cq_enter(to_icq(qp->ibqp.recv_cq), &wc, 1);
- }
-}
-
-/**
* ipath_get_credit - flush the send work queue of a QP
* @qp: the qp who's send work queue to flush
* @aeth: the Acknowledge Extended Transport Header
diff --git a/drivers/infiniband/hw/ipath/ipath_ud.c b/drivers/infiniband/hw/ipath/ipath_ud.c
index 5ff3de6128b..01cfb30ee16 100644
--- a/drivers/infiniband/hw/ipath/ipath_ud.c
+++ b/drivers/infiniband/hw/ipath/ipath_ud.c
@@ -46,8 +46,8 @@
* This is called from ipath_post_ud_send() to forward a WQE addressed
* to the same HCA.
*/
-void ipath_ud_loopback(struct ipath_qp *sqp, struct ipath_sge_state *ss,
- u32 length, struct ib_send_wr *wr, struct ib_wc *wc)
+static void ipath_ud_loopback(struct ipath_qp *sqp, struct ipath_sge_state *ss,
+ u32 length, struct ib_send_wr *wr, struct ib_wc *wc)
{
struct ipath_ibdev *dev = to_idev(sqp->ibqp.device);
struct ipath_qp *qp;
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index 9f27fd35cdb..8d2558a01f3 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -41,7 +41,7 @@
/* Not static, because we don't want the compiler removing it */
const char ipath_verbs_version[] = "ipath_verbs " IPATH_IDSTR;
-unsigned int ib_ipath_qp_table_size = 251;
+static unsigned int ib_ipath_qp_table_size = 251;
module_param_named(qp_table_size, ib_ipath_qp_table_size, uint, S_IRUGO);
MODULE_PARM_DESC(qp_table_size, "QP table size");
@@ -87,7 +87,7 @@ const enum ib_wc_opcode ib_ipath_wc_opcode[] = {
/*
* System image GUID.
*/
-__be64 sys_image_guid;
+static __be64 sys_image_guid;
/**
* ipath_copy_sge - copy data to SGE memory
@@ -1110,7 +1110,7 @@ static void ipath_unregister_ib_device(void *arg)
ib_dealloc_device(ibdev);
}
-int __init ipath_verbs_init(void)
+static int __init ipath_verbs_init(void)
{
return ipath_verbs_register(ipath_register_ib_device,
ipath_unregister_ib_device,
@@ -1118,33 +1118,33 @@ int __init ipath_verbs_init(void)
ipath_ib_timer);
}
-void __exit ipath_verbs_cleanup(void)
+static void __exit ipath_verbs_cleanup(void)
{
ipath_verbs_unregister();
}
static ssize_t show_rev(struct class_device *cdev, char *buf)
{
- struct ipath_ibdev *dev =
- container_of(cdev, struct ipath_ibdev, ibdev.class_dev);
- int vendor, boardrev, majrev, minrev;
+ struct ipath_ibdev *dev =
+ container_of(cdev, struct ipath_ibdev, ibdev.class_dev);
+ int vendor, boardrev, majrev, minrev;
- ipath_layer_query_device(dev->dd, &vendor, &boardrev,
- &majrev, &minrev);
- return sprintf(buf, "%d.%d\n", majrev, minrev);
+ ipath_layer_query_device(dev->dd, &vendor, &boardrev,
+ &majrev, &minrev);
+ return sprintf(buf, "%d.%d\n", majrev, minrev);
}
static ssize_t show_hca(struct class_device *cdev, char *buf)
{
- struct ipath_ibdev *dev =
- container_of(cdev, struct ipath_ibdev, ibdev.class_dev);
- int ret;
+ struct ipath_ibdev *dev =
+ container_of(cdev, struct ipath_ibdev, ibdev.class_dev);
+ int ret;
- ret = ipath_layer_get_boardname(dev->dd, buf, 128);
- if (ret < 0)
- goto bail;
- strcat(buf, "\n");
- ret = strlen(buf);
+ ret = ipath_layer_get_boardname(dev->dd, buf, 128);
+ if (ret < 0)
+ goto bail;
+ strcat(buf, "\n");
+ ret = strlen(buf);
bail:
return ret;
@@ -1152,40 +1152,40 @@ bail:
static ssize_t show_stats(struct class_device *cdev, char *buf)
{
- struct ipath_ibdev *dev =
- container_of(cdev, struct ipath_ibdev, ibdev.class_dev);
- int i;
- int len;
-
- len = sprintf(buf,
- "RC resends %d\n"
- "RC QACKs %d\n"
- "RC ACKs %d\n"
- "RC SEQ NAKs %d\n"
- "RC RDMA seq %d\n"
- "RC RNR NAKs %d\n"
- "RC OTH NAKs %d\n"
- "RC timeouts %d\n"
- "RC RDMA dup %d\n"
- "piobuf wait %d\n"
- "no piobuf %d\n"
- "PKT drops %d\n"
- "WQE errs %d\n",
- dev->n_rc_resends, dev->n_rc_qacks, dev->n_rc_acks,
- dev->n_seq_naks, dev->n_rdma_seq, dev->n_rnr_naks,
- dev->n_other_naks, dev->n_timeouts,
- dev->n_rdma_dup_busy, dev->n_piowait,
- dev->n_no_piobuf, dev->n_pkt_drops, dev->n_wqe_errs);
- for (i = 0; i < ARRAY_SIZE(dev->opstats); i++) {
+ struct ipath_ibdev *dev =
+ container_of(cdev, struct ipath_ibdev, ibdev.class_dev);
+ int i;
+ int len;
+
+ len = sprintf(buf,
+ "RC resends %d\n"
+ "RC QACKs %d\n"
+ "RC ACKs %d\n"
+ "RC SEQ NAKs %d\n"
+ "RC RDMA seq %d\n"
+ "RC RNR NAKs %d\n"
+ "RC OTH NAKs %d\n"
+ "RC timeouts %d\n"
+ "RC RDMA dup %d\n"
+ "piobuf wait %d\n"
+ "no piobuf %d\n"
+ "PKT drops %d\n"
+ "WQE errs %d\n",
+ dev->n_rc_resends, dev->n_rc_qacks, dev->n_rc_acks,
+ dev->n_seq_naks, dev->n_rdma_seq, dev->n_rnr_naks,
+ dev->n_other_naks, dev->n_timeouts,
+ dev->n_rdma_dup_busy, dev->n_piowait,
+ dev->n_no_piobuf, dev->n_pkt_drops, dev->n_wqe_errs);
+ for (i = 0; i < ARRAY_SIZE(dev->opstats); i++) {
const struct ipath_opcode_stats *si = &dev->opstats[i];
- if (!si->n_packets && !si->n_bytes)
- continue;
- len += sprintf(buf + len, "%02x %llu/%llu\n", i,
+ if (!si->n_packets && !si->n_bytes)
+ continue;
+ len += sprintf(buf + len, "%02x %llu/%llu\n", i,
(unsigned long long) si->n_packets,
- (unsigned long long) si->n_bytes);
- }
- return len;
+ (unsigned long long) si->n_bytes);
+ }
+ return len;
}
static CLASS_DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
@@ -1194,25 +1194,25 @@ static CLASS_DEVICE_ATTR(board_id, S_IRUGO, show_hca, NULL);
static CLASS_DEVICE_ATTR(stats, S_IRUGO, show_stats, NULL);
static struct class_device_attribute *ipath_class_attributes[] = {
- &class_device_attr_hw_rev,
- &class_device_attr_hca_type,
- &class_device_attr_board_id,
- &class_device_attr_stats
+ &class_device_attr_hw_rev,
+ &class_device_attr_hca_type,
+ &class_device_attr_board_id,
+ &class_device_attr_stats
};
static int ipath_verbs_register_sysfs(struct ib_device *dev)
{
- int i;
+ int i;
int ret;
- for (i = 0; i < ARRAY_SIZE(ipath_class_attributes); ++i)
- if (class_device_create_file(&dev->class_dev,
- ipath_class_attributes[i])) {
- ret = 1;
+ for (i = 0; i < ARRAY_SIZE(ipath_class_attributes); ++i)
+ if (class_device_create_file(&dev->class_dev,
+ ipath_class_attributes[i])) {
+ ret = 1;
goto bail;
}
- ret = 0;
+ ret = 0;
bail:
return ret;
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.h b/drivers/infiniband/hw/ipath/ipath_verbs.h
index b824632b2a8..fcafbc7c9e7 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.h
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.h
@@ -577,8 +577,6 @@ int ipath_init_qp_table(struct ipath_ibdev *idev, int size);
void ipath_sqerror_qp(struct ipath_qp *qp, struct ib_wc *wc);
-void ipath_error_qp(struct ipath_qp *qp);
-
void ipath_get_credit(struct ipath_qp *qp, u32 aeth);
void ipath_do_rc_send(unsigned long data);
@@ -607,9 +605,6 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
void ipath_restart_rc(struct ipath_qp *qp, u32 psn, struct ib_wc *wc);
-void ipath_ud_loopback(struct ipath_qp *sqp, struct ipath_sge_state *ss,
- u32 length, struct ib_send_wr *wr, struct ib_wc *wc);
-
int ipath_post_ud_send(struct ipath_qp *qp, struct ib_send_wr *wr);
void ipath_ud_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
diff --git a/drivers/infiniband/hw/mthca/mthca_mad.c b/drivers/infiniband/hw/mthca/mthca_mad.c
index f235c7ea42f..4730863ece9 100644
--- a/drivers/infiniband/hw/mthca/mthca_mad.c
+++ b/drivers/infiniband/hw/mthca/mthca_mad.c
@@ -49,7 +49,7 @@ enum {
MTHCA_VENDOR_CLASS2 = 0xa
};
-int mthca_update_rate(struct mthca_dev *dev, u8 port_num)
+static int mthca_update_rate(struct mthca_dev *dev, u8 port_num)
{
struct ib_port_attr *tprops = NULL;
int ret;
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 5f2b3f6e4c4..5bb55742ada 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -617,6 +617,14 @@ static void srp_unmap_data(struct scsi_cmnd *scmnd,
scmnd->sc_data_direction);
}
+static void srp_remove_req(struct srp_target_port *target, struct srp_request *req,
+ int index)
+{
+ list_del(&req->list);
+ req->next = target->req_head;
+ target->req_head = index;
+}
+
static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp)
{
struct srp_request *req;
@@ -664,9 +672,7 @@ static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp)
scmnd->host_scribble = (void *) -1L;
scmnd->scsi_done(scmnd);
- list_del(&req->list);
- req->next = target->req_head;
- target->req_head = rsp->tag & ~SRP_TAG_TSK_MGMT;
+ srp_remove_req(target, req, rsp->tag & ~SRP_TAG_TSK_MGMT);
} else
req->cmd_done = 1;
}
@@ -1188,12 +1194,10 @@ static int srp_send_tsk_mgmt(struct scsi_cmnd *scmnd, u8 func)
spin_lock_irq(target->scsi_host->host_lock);
if (req->cmd_done) {
- list_del(&req->list);
- req->next = target->req_head;
- target->req_head = req_index;
-
+ srp_remove_req(target, req, req_index);
scmnd->scsi_done(scmnd);
} else if (!req->tsk_status) {
+ srp_remove_req(target, req, req_index);
scmnd->result = DID_ABORT << 16;
ret = SUCCESS;
}
diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c
index 1dca3cf42a5..2e4abdc2636 100644
--- a/drivers/input/keyboard/hil_kbd.c
+++ b/drivers/input/keyboard/hil_kbd.c
@@ -350,11 +350,11 @@ static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv)
return 0;
bail2:
serio_close(serio);
+ serio_set_drvdata(serio, NULL);
bail1:
input_free_device(kbd->dev);
bail0:
kfree(kbd);
- serio_set_drvdata(serio, NULL);
return -EIO;
}
diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c
index f86ed6af3aa..eb41aba3dde 100644
--- a/drivers/isdn/gigaset/bas-gigaset.c
+++ b/drivers/isdn/gigaset/bas-gigaset.c
@@ -5,8 +5,6 @@
* Tilman Schmidt <tilman@imap.cc>,
* Stefan Eilers.
*
- * Based on usb-gigaset.c.
- *
* =====================================================================
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -46,19 +44,20 @@ MODULE_PARM_DESC(cidmode, "Call-ID mode");
#define GIGASET_DEVFSNAME "gig/bas/"
#define GIGASET_DEVNAME "ttyGB"
-#define IF_WRITEBUF 256 //FIXME
+/* length limit according to Siemens 3070usb-protokoll.doc ch. 2.1 */
+#define IF_WRITEBUF 264
/* Values for the Gigaset 307x */
#define USB_GIGA_VENDOR_ID 0x0681
-#define USB_GIGA_PRODUCT_ID 0x0001
-#define USB_4175_PRODUCT_ID 0x0002
+#define USB_3070_PRODUCT_ID 0x0001
+#define USB_3075_PRODUCT_ID 0x0002
#define USB_SX303_PRODUCT_ID 0x0021
#define USB_SX353_PRODUCT_ID 0x0022
/* table of devices that work with this driver */
static struct usb_device_id gigaset_table [] = {
- { USB_DEVICE(USB_GIGA_VENDOR_ID, USB_GIGA_PRODUCT_ID) },
- { USB_DEVICE(USB_GIGA_VENDOR_ID, USB_4175_PRODUCT_ID) },
+ { USB_DEVICE(USB_GIGA_VENDOR_ID, USB_3070_PRODUCT_ID) },
+ { USB_DEVICE(USB_GIGA_VENDOR_ID, USB_3075_PRODUCT_ID) },
{ USB_DEVICE(USB_GIGA_VENDOR_ID, USB_SX303_PRODUCT_ID) },
{ USB_DEVICE(USB_GIGA_VENDOR_ID, USB_SX353_PRODUCT_ID) },
{ } /* Terminating entry */
@@ -77,6 +76,10 @@ static int gigaset_probe(struct usb_interface *interface,
/* Function will be called if the device is unplugged */
static void gigaset_disconnect(struct usb_interface *interface);
+static void read_ctrl_callback(struct urb *, struct pt_regs *);
+static void stopurbs(struct bas_bc_state *);
+static int atwrite_submit(struct cardstate *, unsigned char *, int);
+static int start_cbsend(struct cardstate *);
/*==============================================================================*/
@@ -111,12 +114,14 @@ struct bas_cardstate {
};
/* status of direct USB connection to 307x base (bits in basstate) */
-#define BS_ATOPEN 0x001
-#define BS_B1OPEN 0x002
-#define BS_B2OPEN 0x004
-#define BS_ATREADY 0x008
-#define BS_INIT 0x010
-#define BS_ATTIMER 0x020
+#define BS_ATOPEN 0x001 /* AT channel open */
+#define BS_B1OPEN 0x002 /* B channel 1 open */
+#define BS_B2OPEN 0x004 /* B channel 2 open */
+#define BS_ATREADY 0x008 /* base ready for AT command */
+#define BS_INIT 0x010 /* base has signalled INIT_OK */
+#define BS_ATTIMER 0x020 /* waiting for HD_READY_SEND_ATDATA */
+#define BS_ATRDPEND 0x040 /* urb_cmd_in in use */
+#define BS_ATWRPEND 0x080 /* urb_cmd_out in use */
static struct gigaset_driver *driver = NULL;
@@ -130,6 +135,47 @@ static struct usb_driver gigaset_usb_driver = {
.id_table = gigaset_table,
};
+/* get message text for usb_submit_urb return code
+ */
+static char *get_usb_rcmsg(int rc)
+{
+ static char unkmsg[28];
+
+ switch (rc) {
+ case 0:
+ return "success";
+ case -ENOMEM:
+ return "out of memory";
+ case -ENODEV:
+ return "device not present";
+ case -ENOENT:
+ return "endpoint not present";
+ case -ENXIO:
+ return "URB type not supported";
+ case -EINVAL:
+ return "invalid argument";
+ case -EAGAIN:
+ return "start frame too early or too much scheduled";
+ case -EFBIG:
+ return "too many isochronous frames requested";
+ case -EPIPE:
+ return "endpoint stalled";
+ case -EMSGSIZE:
+ return "invalid packet size";
+ case -ENOSPC:
+ return "would overcommit USB bandwidth";
+ case -ESHUTDOWN:
+ return "device shut down";
+ case -EPERM:
+ return "reject flag set";
+ case -EHOSTUNREACH:
+ return "device suspended";
+ default:
+ snprintf(unkmsg, sizeof(unkmsg), "unknown error %d", rc);
+ return unkmsg;
+ }
+}
+
/* get message text for USB status code
*/
static char *get_usb_statmsg(int status)
@@ -140,43 +186,37 @@ static char *get_usb_statmsg(int status)
case 0:
return "success";
case -ENOENT:
- return "canceled";
- case -ECONNRESET:
- return "canceled (async)";
+ return "unlinked (sync)";
case -EINPROGRESS:
return "pending";
case -EPROTO:
- return "bit stuffing or unknown USB error";
+ return "bit stuffing error, timeout, or unknown USB error";
case -EILSEQ:
- return "Illegal byte sequence (CRC mismatch)";
- case -EPIPE:
- return "babble detect or endpoint stalled";
- case -ENOSR:
- return "buffer error";
+ return "CRC mismatch, timeout, or unknown USB error";
case -ETIMEDOUT:
return "timed out";
- case -ENODEV:
- return "device not present";
+ case -EPIPE:
+ return "endpoint stalled";
+ case -ECOMM:
+ return "IN buffer overrun";
+ case -ENOSR:
+ return "OUT buffer underrun";
+ case -EOVERFLOW:
+ return "too much data";
case -EREMOTEIO:
return "short packet detected";
+ case -ENODEV:
+ return "device removed";
case -EXDEV:
return "partial isochronous transfer";
case -EINVAL:
return "invalid argument";
- case -ENXIO:
- return "URB already queued";
- case -EAGAIN:
- return "isochronous start frame too early or too much scheduled";
- case -EFBIG:
- return "too many isochronous frames requested";
- case -EMSGSIZE:
- return "endpoint message size zero";
+ case -ECONNRESET:
+ return "unlinked (async)";
case -ESHUTDOWN:
- return "endpoint shutdown";
- case -EBUSY:
- return "another request pending";
+ return "device shut down";
default:
- snprintf(unkmsg, sizeof(unkmsg), "unknown error %d", status);
+ snprintf(unkmsg, sizeof(unkmsg), "unknown status %d", status);
return unkmsg;
}
}
@@ -277,18 +317,17 @@ static inline void error_hangup(struct bc_state *bcs)
gig_dbg(DEBUG_ANY, "%s: scheduling HUP for channel %d",
__func__, bcs->channel);
- if (!gigaset_add_event(cs, &bcs->at_state, EV_HUP, NULL, 0, NULL)) {
- //FIXME what should we do?
- return;
- }
+ if (!gigaset_add_event(cs, &bcs->at_state, EV_HUP, NULL, 0, NULL))
+ dev_err(cs->dev, "event queue full\n");
gigaset_schedule_event(cs);
}
/* error_reset
* reset Gigaset device because of an unrecoverable error
- * This function may be called from any context and takes care of scheduling
- * the necessary actions for execution outside of interrupt context.
+ * This function may be called from any context, and should take care of
+ * scheduling the necessary actions for execution outside of interrupt context.
+ * Right now, it just generates a kernel message calling for help.
* argument:
* controller state structure
*/
@@ -364,36 +403,38 @@ static void cmd_in_timeout(unsigned long data)
{
struct cardstate *cs = (struct cardstate *) data;
struct bas_cardstate *ucs = cs->hw.bas;
- unsigned long flags;
- spin_lock_irqsave(&cs->lock, flags);
- if (unlikely(!cs->connected)) {
- gig_dbg(DEBUG_USBREQ, "%s: disconnected", __func__);
- spin_unlock_irqrestore(&cs->lock, flags);
- return;
- }
if (!ucs->rcvbuf_size) {
gig_dbg(DEBUG_USBREQ, "%s: no receive in progress", __func__);
- spin_unlock_irqrestore(&cs->lock, flags);
return;
}
- spin_unlock_irqrestore(&cs->lock, flags);
dev_err(cs->dev, "timeout reading AT response\n");
error_reset(cs); //FIXME retry?
}
+/* set/clear bits in base connection state, return previous state
+ */
+inline static int update_basstate(struct bas_cardstate *ucs,
+ int set, int clear)
+{
+ unsigned long flags;
+ int state;
-static void read_ctrl_callback(struct urb *urb, struct pt_regs *regs);
+ spin_lock_irqsave(&ucs->lock, flags);
+ state = atomic_read(&ucs->basstate);
+ atomic_set(&ucs->basstate, (state & ~clear) | set);
+ spin_unlock_irqrestore(&ucs->lock, flags);
+ return state;
+}
/* atread_submit
- * submit an HD_READ_ATMESSAGE command URB
+ * submit an HD_READ_ATMESSAGE command URB and optionally start a timeout
* parameters:
* cs controller state structure
* timeout timeout in 1/10 sec., 0: none
* return value:
* 0 on success
- * -EINVAL if a NULL pointer is encountered somewhere
* -EBUSY if another request is pending
* any URB submission error code
*/
@@ -405,7 +446,7 @@ static int atread_submit(struct cardstate *cs, int timeout)
gig_dbg(DEBUG_USBREQ, "-------> HD_READ_ATMESSAGE (%d)",
ucs->rcvbuf_size);
- if (ucs->urb_cmd_in->status == -EINPROGRESS) {
+ if (update_basstate(ucs, BS_ATRDPEND, 0) & BS_ATRDPEND) {
dev_err(cs->dev,
"could not submit HD_READ_ATMESSAGE: URB busy\n");
return -EBUSY;
@@ -423,6 +464,7 @@ static int atread_submit(struct cardstate *cs, int timeout)
read_ctrl_callback, cs->inbuf);
if ((ret = usb_submit_urb(ucs->urb_cmd_in, SLAB_ATOMIC)) != 0) {
+ update_basstate(ucs, 0, BS_ATRDPEND);
dev_err(cs->dev, "could not submit HD_READ_ATMESSAGE: %s\n",
get_usb_statmsg(ret));
return ret;
@@ -438,26 +480,6 @@ static int atread_submit(struct cardstate *cs, int timeout)
return 0;
}
-static void stopurbs(struct bas_bc_state *);
-static int start_cbsend(struct cardstate *);
-
-/* set/clear bits in base connection state
- */
-inline static void update_basstate(struct bas_cardstate *ucs,
- int set, int clear)
-{
- unsigned long flags;
- int state;
-
- spin_lock_irqsave(&ucs->lock, flags);
- state = atomic_read(&ucs->basstate);
- state &= ~clear;
- state |= set;
- atomic_set(&ucs->basstate, state);
- spin_unlock_irqrestore(&ucs->lock, flags);
-}
-
-
/* read_int_callback
* USB completion handler for interrupt pipe input
* called by the USB subsystem in interrupt context
@@ -471,20 +493,25 @@ static void read_int_callback(struct urb *urb, struct pt_regs *regs)
struct bas_cardstate *ucs = cs->hw.bas;
struct bc_state *bcs;
unsigned long flags;
- int status;
+ int rc;
unsigned l;
int channel;
switch (urb->status) {
case 0: /* success */
break;
- case -ENOENT: /* canceled */
- case -ECONNRESET: /* canceled (async) */
+ case -ENOENT: /* cancelled */
+ case -ECONNRESET: /* cancelled (async) */
case -EINPROGRESS: /* pending */
/* ignore silently */
gig_dbg(DEBUG_USBREQ, "%s: %s",
__func__, get_usb_statmsg(urb->status));
return;
+ case -ENODEV: /* device removed */
+ case -ESHUTDOWN: /* device shut down */
+ //FIXME use this as disconnect indicator?
+ gig_dbg(DEBUG_USBREQ, "%s: device disconnected", __func__);
+ return;
default: /* severe trouble */
dev_warn(cs->dev, "interrupt read: %s\n",
get_usb_statmsg(urb->status));
@@ -492,6 +519,13 @@ static void read_int_callback(struct urb *urb, struct pt_regs *regs)
goto resubmit;
}
+ /* drop incomplete packets even if the missing bytes wouldn't matter */
+ if (unlikely(urb->actual_length < 3)) {
+ dev_warn(cs->dev, "incomplete interrupt packet (%d bytes)\n",
+ urb->actual_length);
+ goto resubmit;
+ }
+
l = (unsigned) ucs->int_in_buf[1] +
(((unsigned) ucs->int_in_buf[2]) << 8);
@@ -558,25 +592,28 @@ static void read_int_callback(struct urb *urb, struct pt_regs *regs)
}
spin_lock_irqsave(&cs->lock, flags);
if (ucs->rcvbuf_size) {
- spin_unlock_irqrestore(&cs->lock, flags);
+ /* throw away previous buffer - we have no queue */
dev_err(cs->dev,
- "receive AT data overrun, %d bytes lost\n", l);
- error_reset(cs); //FIXME reschedule
- break;
+ "receive AT data overrun, %d bytes lost\n",
+ ucs->rcvbuf_size);
+ kfree(ucs->rcvbuf);
+ ucs->rcvbuf_size = 0;
}
if ((ucs->rcvbuf = kmalloc(l, GFP_ATOMIC)) == NULL) {
spin_unlock_irqrestore(&cs->lock, flags);
- dev_err(cs->dev, "out of memory, %d bytes lost\n", l);
- error_reset(cs); //FIXME reschedule
+ dev_err(cs->dev, "out of memory receiving AT data\n");
+ error_reset(cs);
break;
}
ucs->rcvbuf_size = l;
ucs->retry_cmd_in = 0;
- if ((status = atread_submit(cs, BAS_TIMEOUT)) < 0) {
+ if ((rc = atread_submit(cs, BAS_TIMEOUT)) < 0) {
kfree(ucs->rcvbuf);
ucs->rcvbuf = NULL;
ucs->rcvbuf_size = 0;
- error_reset(cs); //FIXME reschedule
+ if (rc != -ENODEV)
+ //FIXME corrective action?
+ error_reset(cs);
}
spin_unlock_irqrestore(&cs->lock, flags);
break;
@@ -598,12 +635,10 @@ static void read_int_callback(struct urb *urb, struct pt_regs *regs)
check_pending(ucs);
resubmit:
- spin_lock_irqsave(&cs->lock, flags);
- status = cs->connected ? usb_submit_urb(urb, SLAB_ATOMIC) : -ENODEV;
- spin_unlock_irqrestore(&cs->lock, flags);
- if (unlikely(status)) {
+ rc = usb_submit_urb(urb, SLAB_ATOMIC);
+ if (unlikely(rc != 0 && rc != -ENODEV)) {
dev_err(cs->dev, "could not resubmit interrupt URB: %s\n",
- get_usb_statmsg(status));
+ get_usb_rcmsg(rc));
error_reset(cs);
}
}
@@ -622,18 +657,12 @@ static void read_ctrl_callback(struct urb *urb, struct pt_regs *regs)
struct bas_cardstate *ucs = cs->hw.bas;
int have_data = 0;
unsigned numbytes;
- unsigned long flags;
+ int rc;
- spin_lock_irqsave(&cs->lock, flags);
- if (unlikely(!cs->connected)) {
- warn("%s: disconnected", __func__);
- spin_unlock_irqrestore(&cs->lock, flags);
- return;
- }
+ update_basstate(ucs, 0, BS_ATRDPEND);
if (!ucs->rcvbuf_size) {
dev_warn(cs->dev, "%s: no receive in progress\n", __func__);
- spin_unlock_irqrestore(&cs->lock, flags);
return;
}
@@ -666,9 +695,11 @@ static void read_ctrl_callback(struct urb *urb, struct pt_regs *regs)
}
break;
- case -ENOENT: /* canceled */
- case -ECONNRESET: /* canceled (async) */
+ case -ENOENT: /* cancelled */
+ case -ECONNRESET: /* cancelled (async) */
case -EINPROGRESS: /* pending */
+ case -ENODEV: /* device removed */
+ case -ESHUTDOWN: /* device shut down */
/* no action necessary */
gig_dbg(DEBUG_USBREQ, "%s: %s",
__func__, get_usb_statmsg(urb->status));
@@ -681,11 +712,11 @@ static void read_ctrl_callback(struct urb *urb, struct pt_regs *regs)
if (ucs->retry_cmd_in++ < BAS_RETRY) {
dev_notice(cs->dev, "control read: retry %d\n",
ucs->retry_cmd_in);
- if (atread_submit(cs, BAS_TIMEOUT) >= 0) {
- /* resubmitted - bypass regular exit block */
- spin_unlock_irqrestore(&cs->lock, flags);
+ rc = atread_submit(cs, BAS_TIMEOUT);
+ if (rc >= 0 || rc == -ENODEV)
+ /* resubmitted or disconnected */
+ /* - bypass regular exit block */
return;
- }
} else {
dev_err(cs->dev,
"control read: giving up after %d tries\n",
@@ -697,7 +728,6 @@ static void read_ctrl_callback(struct urb *urb, struct pt_regs *regs)
kfree(ucs->rcvbuf);
ucs->rcvbuf = NULL;
ucs->rcvbuf_size = 0;
- spin_unlock_irqrestore(&cs->lock, flags);
if (have_data) {
gig_dbg(DEBUG_INTR, "%s-->BH", __func__);
gigaset_schedule_event(cs);
@@ -719,8 +749,11 @@ static void read_iso_callback(struct urb *urb, struct pt_regs *regs)
int i, rc;
/* status codes not worth bothering the tasklet with */
- if (unlikely(urb->status == -ENOENT || urb->status == -ECONNRESET ||
- urb->status == -EINPROGRESS)) {
+ if (unlikely(urb->status == -ENOENT ||
+ urb->status == -ECONNRESET ||
+ urb->status == -EINPROGRESS ||
+ urb->status == -ENODEV ||
+ urb->status == -ESHUTDOWN)) {
gig_dbg(DEBUG_ISO, "%s: %s",
__func__, get_usb_statmsg(urb->status));
return;
@@ -740,9 +773,9 @@ static void read_iso_callback(struct urb *urb, struct pt_regs *regs)
for (i = 0; i < BAS_NUMFRAMES; i++) {
ubc->isoinlost += urb->iso_frame_desc[i].actual_length;
if (unlikely(urb->iso_frame_desc[i].status != 0 &&
- urb->iso_frame_desc[i].status != -EINPROGRESS)) {
+ urb->iso_frame_desc[i].status !=
+ -EINPROGRESS))
ubc->loststatus = urb->iso_frame_desc[i].status;
- }
urb->iso_frame_desc[i].status = 0;
urb->iso_frame_desc[i].actual_length = 0;
}
@@ -754,10 +787,10 @@ static void read_iso_callback(struct urb *urb, struct pt_regs *regs)
gig_dbg(DEBUG_ISO, "%s: isoc read overrun/resubmit",
__func__);
rc = usb_submit_urb(urb, SLAB_ATOMIC);
- if (unlikely(rc != 0)) {
+ if (unlikely(rc != 0 && rc != -ENODEV)) {
dev_err(bcs->cs->dev,
"could not resubmit isochronous read "
- "URB: %s\n", get_usb_statmsg(rc));
+ "URB: %s\n", get_usb_rcmsg(rc));
dump_urb(DEBUG_ISO, "isoc read", urb);
error_hangup(bcs);
}
@@ -780,8 +813,11 @@ static void write_iso_callback(struct urb *urb, struct pt_regs *regs)
unsigned long flags;
/* status codes not worth bothering the tasklet with */
- if (unlikely(urb->status == -ENOENT || urb->status == -ECONNRESET ||
- urb->status == -EINPROGRESS)) {
+ if (unlikely(urb->status == -ENOENT ||
+ urb->status == -ECONNRESET ||
+ urb->status == -EINPROGRESS ||
+ urb->status == -ENODEV ||
+ urb->status == -ESHUTDOWN)) {
gig_dbg(DEBUG_ISO, "%s: %s",
__func__, get_usb_statmsg(urb->status));
return;
@@ -822,7 +858,6 @@ static int starturbs(struct bc_state *bcs)
for (k = 0; k < BAS_INURBS; k++) {
urb = ubc->isoinurbs[k];
if (!urb) {
- dev_err(bcs->cs->dev, "isoinurbs[%d]==NULL\n", k);
rc = -EFAULT;
goto error;
}
@@ -844,12 +879,8 @@ static int starturbs(struct bc_state *bcs)
}
dump_urb(DEBUG_ISO, "Initial isoc read", urb);
- if ((rc = usb_submit_urb(urb, SLAB_ATOMIC)) != 0) {
- dev_err(bcs->cs->dev,
- "could not submit isochronous read URB %d: %s\n",
- k, get_usb_statmsg(rc));
+ if ((rc = usb_submit_urb(urb, SLAB_ATOMIC)) != 0)
goto error;
- }
}
/* initialize L2 transmission */
@@ -859,7 +890,6 @@ static int starturbs(struct bc_state *bcs)
for (k = 0; k < BAS_OUTURBS; ++k) {
urb = ubc->isoouturbs[k].urb;
if (!urb) {
- dev_err(bcs->cs->dev, "isoouturbs[%d].urb==NULL\n", k);
rc = -EFAULT;
goto error;
}
@@ -885,12 +915,8 @@ static int starturbs(struct bc_state *bcs)
for (k = 0; k < 2; ++k) {
dump_urb(DEBUG_ISO, "Initial isoc write", urb);
rc = usb_submit_urb(ubc->isoouturbs[k].urb, SLAB_ATOMIC);
- if (rc != 0) {
- dev_err(bcs->cs->dev,
- "could not submit isochronous write URB %d: %s\n",
- k, get_usb_statmsg(rc));
+ if (rc != 0)
goto error;
- }
}
dump_urb(DEBUG_ISO, "Initial isoc write (free)", urb);
ubc->isooutfree = &ubc->isoouturbs[2];
@@ -916,15 +942,15 @@ static void stopurbs(struct bas_bc_state *ubc)
for (k = 0; k < BAS_INURBS; ++k) {
rc = usb_unlink_urb(ubc->isoinurbs[k]);
gig_dbg(DEBUG_ISO,
- "%s: isoc input URB %d unlinked, result = %d",
- __func__, k, rc);
+ "%s: isoc input URB %d unlinked, result = %s",
+ __func__, k, get_usb_rcmsg(rc));
}
for (k = 0; k < BAS_OUTURBS; ++k) {
rc = usb_unlink_urb(ubc->isoouturbs[k].urb);
gig_dbg(DEBUG_ISO,
- "%s: isoc output URB %d unlinked, result = %d",
- __func__, k, rc);
+ "%s: isoc output URB %d unlinked, result = %s",
+ __func__, k, get_usb_rcmsg(rc));
}
}
@@ -934,7 +960,7 @@ static void stopurbs(struct bas_bc_state *ubc)
/* submit_iso_write_urb
* fill and submit the next isochronous write URB
* parameters:
- * bcs B channel state structure
+ * ucx context structure containing URB
* return value:
* number of frames submitted in URB
* 0 if URB not submitted because no data available (isooutbuf busy)
@@ -946,7 +972,6 @@ static int submit_iso_write_urb(struct isow_urbctx_t *ucx)
struct bas_bc_state *ubc = ucx->bcs->hw.bas;
struct usb_iso_packet_descriptor *ifd;
int corrbytes, nframe, rc;
- unsigned long flags;
/* urb->dev is clobbered by USB subsystem */
urb->dev = ucx->bcs->cs->hw.bas->udev;
@@ -992,20 +1017,22 @@ static int submit_iso_write_urb(struct isow_urbctx_t *ucx)
ifd->status = 0;
ifd->actual_length = 0;
}
- if ((urb->number_of_packets = nframe) > 0) {
- spin_lock_irqsave(&ucx->bcs->cs->lock, flags);
- rc = ucx->bcs->cs->connected ? usb_submit_urb(urb, SLAB_ATOMIC) : -ENODEV;
- spin_unlock_irqrestore(&ucx->bcs->cs->lock, flags);
+ if (unlikely(nframe == 0))
+ return 0; /* no data to send */
+ urb->number_of_packets = nframe;
- if (rc) {
+ rc = usb_submit_urb(urb, SLAB_ATOMIC);
+ if (unlikely(rc)) {
+ if (rc == -ENODEV)
+ /* device removed - give up silently */
+ gig_dbg(DEBUG_ISO, "%s: disconnected", __func__);
+ else
dev_err(ucx->bcs->cs->dev,
"could not submit isochronous write URB: %s\n",
- get_usb_statmsg(rc));
- dump_urb(DEBUG_ISO, "isoc write", urb);
- return rc;
- }
- ++ubc->numsub;
+ get_usb_rcmsg(rc));
+ return rc;
}
+ ++ubc->numsub;
return nframe;
}
@@ -1028,6 +1055,7 @@ static void write_iso_tasklet(unsigned long data)
int i;
struct sk_buff *skb;
int len;
+ int rc;
/* loop while completed URBs arrive in time */
for (;;) {
@@ -1057,7 +1085,8 @@ static void write_iso_tasklet(unsigned long data)
ubc->isooutfree = NULL;
spin_unlock_irqrestore(&ubc->isooutlock, flags);
if (next) {
- if (submit_iso_write_urb(next) <= 0) {
+ rc = submit_iso_write_urb(next);
+ if (unlikely(rc <= 0 && rc != -ENODEV)) {
/* could not submit URB, put it back */
spin_lock_irqsave(&ubc->isooutlock, flags);
if (ubc->isooutfree == NULL) {
@@ -1077,17 +1106,18 @@ static void write_iso_tasklet(unsigned long data)
/* process completed URB */
urb = done->urb;
switch (urb->status) {
+ case -EXDEV: /* partial completion */
+ gig_dbg(DEBUG_ISO, "%s: URB partially completed",
+ __func__);
+ /* fall through - what's the difference anyway? */
case 0: /* normal completion */
- break;
- case -EXDEV: /* inspect individual frames */
- /* assumptions (for lack of documentation):
- * - actual_length bytes of the frame in error are
+ /* inspect individual frames
+ * assumptions (for lack of documentation):
+ * - actual_length bytes of first frame in error are
* successfully sent
* - all following frames are not sent at all
*/
- gig_dbg(DEBUG_ISO, "%s: URB partially completed",
- __func__);
- offset = done->limit; /* just in case */
+ offset = done->limit; /* default (no error) */
for (i = 0; i < BAS_NUMFRAMES; i++) {
ifd = &urb->iso_frame_desc[i];
if (ifd->status ||
@@ -1122,7 +1152,7 @@ static void write_iso_tasklet(unsigned long data)
}
#endif
break;
- case -EPIPE: //FIXME is this the code for "underrun"?
+ case -EPIPE: /* stall - probably underrun */
dev_err(cs->dev, "isochronous write stalled\n");
error_hangup(bcs);
break;
@@ -1142,7 +1172,8 @@ static void write_iso_tasklet(unsigned long data)
spin_unlock_irqrestore(&ubc->isooutlock, flags);
if (next) {
/* only one URB still active - resubmit one */
- if (submit_iso_write_urb(next) <= 0) {
+ rc = submit_iso_write_urb(next);
+ if (unlikely(rc <= 0 && rc != -ENODEV)) {
/* couldn't submit */
error_hangup(bcs);
}
@@ -1222,10 +1253,9 @@ static void read_iso_tasklet(unsigned long data)
break;
case -ENOENT:
case -ECONNRESET:
- gig_dbg(DEBUG_ISO, "%s: URB canceled", __func__);
- continue; /* -> skip */
- case -EINPROGRESS: /* huh? */
- gig_dbg(DEBUG_ISO, "%s: URB still pending", __func__);
+ case -EINPROGRESS:
+ gig_dbg(DEBUG_ISO, "%s: %s",
+ __func__, get_usb_statmsg(urb->status));
continue; /* -> skip */
case -EPIPE:
dev_err(cs->dev, "isochronous read stalled\n");
@@ -1290,13 +1320,11 @@ static void read_iso_tasklet(unsigned long data)
urb->dev = bcs->cs->hw.bas->udev;
urb->transfer_flags = URB_ISO_ASAP;
urb->number_of_packets = BAS_NUMFRAMES;
- spin_lock_irqsave(&cs->lock, flags);
- rc = cs->connected ? usb_submit_urb(urb, SLAB_ATOMIC) : -ENODEV;
- spin_unlock_irqrestore(&cs->lock, flags);
- if (rc) {
+ rc = usb_submit_urb(urb, SLAB_ATOMIC);
+ if (unlikely(rc != 0 && rc != -ENODEV)) {
dev_err(cs->dev,
"could not resubmit isochronous read URB: %s\n",
- get_usb_statmsg(rc));
+ get_usb_rcmsg(rc));
dump_urb(DEBUG_ISO, "resubmit iso read", urb);
error_hangup(bcs);
}
@@ -1397,7 +1425,6 @@ static void write_ctrl_callback(struct urb *urb, struct pt_regs *regs)
* timeout timeout in seconds (0: no timeout)
* return value:
* 0 on success
- * -EINVAL if a NULL pointer is encountered somewhere
* -EBUSY if another request is pending
* any URB submission error code
*/
@@ -1418,12 +1445,6 @@ static int req_submit(struct bc_state *bcs, int req, int val, int timeout)
req, ucs->pending);
return -EBUSY;
}
- if (ucs->urb_ctrl->status == -EINPROGRESS) {
- spin_unlock_irqrestore(&ucs->lock, flags);
- dev_err(bcs->cs->dev,
- "could not submit request 0x%02x: URB busy\n", req);
- return -EBUSY;
- }
ucs->dr_ctrl.bRequestType = OUT_VENDOR_REQ;
ucs->dr_ctrl.bRequest = req;
@@ -1465,22 +1486,36 @@ static int req_submit(struct bc_state *bcs, int req, int val, int timeout)
static int gigaset_init_bchannel(struct bc_state *bcs)
{
int req, ret;
+ unsigned long flags;
+
+ spin_lock_irqsave(&bcs->cs->lock, flags);
+ if (unlikely(!bcs->cs->connected)) {
+ gig_dbg(DEBUG_USBREQ, "%s: not connected", __func__);
+ spin_unlock_irqrestore(&bcs->cs->lock, flags);
+ return -ENODEV;
+ }
if ((ret = starturbs(bcs)) < 0) {
dev_err(bcs->cs->dev,
- "could not start isochronous I/O for channel %d\n",
- bcs->channel + 1);
- error_hangup(bcs);
+ "could not start isochronous I/O for channel B%d: %s\n",
+ bcs->channel + 1,
+ ret == -EFAULT ? "null URB" : get_usb_rcmsg(ret));
+ if (ret != -ENODEV)
+ error_hangup(bcs);
+ spin_unlock_irqrestore(&bcs->cs->lock, flags);
return ret;
}
req = bcs->channel ? HD_OPEN_B2CHANNEL : HD_OPEN_B1CHANNEL;
if ((ret = req_submit(bcs, req, 0, BAS_TIMEOUT)) < 0) {
- dev_err(bcs->cs->dev, "could not open channel %d: %s\n",
- bcs->channel + 1, get_usb_statmsg(ret));
+ dev_err(bcs->cs->dev, "could not open channel B%d\n",
+ bcs->channel + 1);
stopurbs(bcs->hw.bas);
- error_hangup(bcs);
+ if (ret != -ENODEV)
+ error_hangup(bcs);
}
+
+ spin_unlock_irqrestore(&bcs->cs->lock, flags);
return ret;
}
@@ -1497,19 +1532,30 @@ static int gigaset_init_bchannel(struct bc_state *bcs)
static int gigaset_close_bchannel(struct bc_state *bcs)
{
int req, ret;
+ unsigned long flags;
+
+ spin_lock_irqsave(&bcs->cs->lock, flags);
+ if (unlikely(!bcs->cs->connected)) {
+ spin_unlock_irqrestore(&bcs->cs->lock, flags);
+ gig_dbg(DEBUG_USBREQ, "%s: not connected", __func__);
+ return -ENODEV;
+ }
if (!(atomic_read(&bcs->cs->hw.bas->basstate) &
(bcs->channel ? BS_B2OPEN : BS_B1OPEN))) {
/* channel not running: just signal common.c */
+ spin_unlock_irqrestore(&bcs->cs->lock, flags);
gigaset_bchannel_down(bcs);
return 0;
}
+ /* channel running: tell device to close it */
req = bcs->channel ? HD_CLOSE_B2CHANNEL : HD_CLOSE_B1CHANNEL;
if ((ret = req_submit(bcs, req, 0, BAS_TIMEOUT)) < 0)
- dev_err(bcs->cs->dev,
- "could not submit HD_CLOSE_BxCHANNEL request: %s\n",
- get_usb_statmsg(ret));
+ dev_err(bcs->cs->dev, "closing channel B%d failed\n",
+ bcs->channel + 1);
+
+ spin_unlock_irqrestore(&bcs->cs->lock, flags);
return ret;
}
@@ -1545,8 +1591,6 @@ static void complete_cb(struct cardstate *cs)
kfree(cb);
}
-static int atwrite_submit(struct cardstate *cs, unsigned char *buf, int len);
-
/* write_command_callback
* USB completion handler for AT command transmission
* called by the USB subsystem in interrupt context
@@ -1560,13 +1604,17 @@ static void write_command_callback(struct urb *urb, struct pt_regs *regs)
struct bas_cardstate *ucs = cs->hw.bas;
unsigned long flags;
+ update_basstate(ucs, 0, BS_ATWRPEND);
+
/* check status */
switch (urb->status) {
case 0: /* normal completion */
break;
- case -ENOENT: /* canceled */
- case -ECONNRESET: /* canceled (async) */
+ case -ENOENT: /* cancelled */
+ case -ECONNRESET: /* cancelled (async) */
case -EINPROGRESS: /* pending */
+ case -ENODEV: /* device removed */
+ case -ESHUTDOWN: /* device shut down */
/* ignore silently */
gig_dbg(DEBUG_USBREQ, "%s: %s",
__func__, get_usb_statmsg(urb->status));
@@ -1627,19 +1675,17 @@ static void atrdy_timeout(unsigned long data)
* len length of command to send
* return value:
* 0 on success
- * -EFAULT if a NULL pointer is encountered somewhere
* -EBUSY if another request is pending
* any URB submission error code
*/
static int atwrite_submit(struct cardstate *cs, unsigned char *buf, int len)
{
struct bas_cardstate *ucs = cs->hw.bas;
- unsigned long flags;
- int ret;
+ int rc;
gig_dbg(DEBUG_USBREQ, "-------> HD_WRITE_ATMESSAGE (%d)", len);
- if (ucs->urb_cmd_out->status == -EINPROGRESS) {
+ if (update_basstate(ucs, BS_ATWRPEND, 0) & BS_ATWRPEND) {
dev_err(cs->dev,
"could not submit HD_WRITE_ATMESSAGE: URB busy\n");
return -EBUSY;
@@ -1654,29 +1700,22 @@ static int atwrite_submit(struct cardstate *cs, unsigned char *buf, int len)
usb_sndctrlpipe(ucs->udev, 0),
(unsigned char*) &ucs->dr_cmd_out, buf, len,
write_command_callback, cs);
-
- spin_lock_irqsave(&cs->lock, flags);
- ret = cs->connected ? usb_submit_urb(ucs->urb_cmd_out, SLAB_ATOMIC) : -ENODEV;
- spin_unlock_irqrestore(&cs->lock, flags);
-
- if (ret) {
+ rc = usb_submit_urb(ucs->urb_cmd_out, SLAB_ATOMIC);
+ if (unlikely(rc)) {
+ update_basstate(ucs, 0, BS_ATWRPEND);
dev_err(cs->dev, "could not submit HD_WRITE_ATMESSAGE: %s\n",
- get_usb_statmsg(ret));
- return ret;
+ get_usb_rcmsg(rc));
+ return rc;
}
- /* submitted successfully */
- update_basstate(ucs, 0, BS_ATREADY);
-
- /* start timeout if necessary */
- if (!(atomic_read(&ucs->basstate) & BS_ATTIMER)) {
+ /* submitted successfully, start timeout if necessary */
+ if (!(update_basstate(ucs, BS_ATTIMER, BS_ATREADY) & BS_ATTIMER)) {
gig_dbg(DEBUG_OUTPUT, "setting ATREADY timeout of %d/10 secs",
ATRDY_TIMEOUT);
ucs->timer_atrdy.expires = jiffies + ATRDY_TIMEOUT * HZ / 10;
ucs->timer_atrdy.data = (unsigned long) cs;
ucs->timer_atrdy.function = atrdy_timeout;
add_timer(&ucs->timer_atrdy);
- update_basstate(ucs, BS_ATTIMER, 0);
}
return 0;
}
@@ -1702,7 +1741,6 @@ static int start_cbsend(struct cardstate *cs)
gig_dbg(DEBUG_TRANSCMD|DEBUG_LOCKCMD, "AT channel not open");
rc = req_submit(cs->bcs, HD_OPEN_ATCHANNEL, 0, BAS_TIMEOUT);
if (rc < 0) {
- dev_err(cs->dev, "could not open AT channel\n");
/* flush command queue */
spin_lock_irqsave(&cs->cmdlock, flags);
while (cs->cmdbuf != NULL)
@@ -1786,8 +1824,14 @@ static int gigaset_write_cmd(struct cardstate *cs,
cs->lastcmdbuf = cb;
spin_unlock_irqrestore(&cs->cmdlock, flags);
+ spin_lock_irqsave(&cs->lock, flags);
+ if (unlikely(!cs->connected)) {
+ spin_unlock_irqrestore(&cs->lock, flags);
+ gig_dbg(DEBUG_USBREQ, "%s: not connected", __func__);
+ return -ENODEV;
+ }
status = start_cbsend(cs);
-
+ spin_unlock_irqrestore(&cs->lock, flags);
return status < 0 ? status : len;
}
@@ -1849,12 +1893,32 @@ static int gigaset_brkchars(struct cardstate *cs, const unsigned char buf[6])
*/
static int gigaset_freebcshw(struct bc_state *bcs)
{
- if (!bcs->hw.bas)
+ struct bas_bc_state *ubc = bcs->hw.bas;
+ int i;
+
+ if (!ubc)
return 0;
- if (bcs->hw.bas->isooutbuf)
- kfree(bcs->hw.bas->isooutbuf);
- kfree(bcs->hw.bas);
+ /* kill URBs and tasklets before freeing - better safe than sorry */
+ atomic_set(&ubc->running, 0);
+ for (i = 0; i < BAS_OUTURBS; ++i)
+ if (ubc->isoouturbs[i].urb) {
+ gig_dbg(DEBUG_INIT, "%s: killing iso out URB %d",
+ __func__, i);
+ usb_kill_urb(ubc->isoouturbs[i].urb);
+ usb_free_urb(ubc->isoouturbs[i].urb);
+ }
+ for (i = 0; i < BAS_INURBS; ++i)
+ if (ubc->isoinurbs[i]) {
+ gig_dbg(DEBUG_INIT, "%s: killing iso in URB %d",
+ __func__, i);
+ usb_kill_urb(ubc->isoinurbs[i]);
+ usb_free_urb(ubc->isoinurbs[i]);
+ }
+ tasklet_kill(&ubc->sent_tasklet);
+ tasklet_kill(&ubc->rcvd_tasklet);
+ kfree(ubc->isooutbuf);
+ kfree(ubc);
bcs->hw.bas = NULL;
return 1;
}
@@ -1931,13 +1995,9 @@ static void gigaset_reinitbcshw(struct bc_state *bcs)
static void gigaset_freecshw(struct cardstate *cs)
{
- struct bas_cardstate *ucs = cs->hw.bas;
-
- del_timer(&ucs->timer_ctrl);
- del_timer(&ucs->timer_atrdy);
- del_timer(&ucs->timer_cmd_in);
-
+ /* timers, URBs and rcvbuf are disposed of in disconnect */
kfree(cs->hw.bas);
+ cs->hw.bas = NULL;
}
static int gigaset_initcshw(struct cardstate *cs)
@@ -2041,23 +2101,13 @@ static int gigaset_probe(struct usb_interface *interface,
struct bas_bc_state *ubc;
struct usb_endpoint_descriptor *endpoint;
int i, j;
- int ret;
+ int rc;
gig_dbg(DEBUG_ANY,
"%s: Check if device matches .. (Vendor: 0x%x, Product: 0x%x)",
__func__, le16_to_cpu(udev->descriptor.idVendor),
le16_to_cpu(udev->descriptor.idProduct));
- /* See if the device offered us matches what we can accept */
- if ((le16_to_cpu(udev->descriptor.idVendor) != USB_GIGA_VENDOR_ID) ||
- (le16_to_cpu(udev->descriptor.idProduct) != USB_GIGA_PRODUCT_ID &&
- le16_to_cpu(udev->descriptor.idProduct) != USB_4175_PRODUCT_ID &&
- le16_to_cpu(udev->descriptor.idProduct) != USB_SX303_PRODUCT_ID &&
- le16_to_cpu(udev->descriptor.idProduct) != USB_SX353_PRODUCT_ID)) {
- gig_dbg(DEBUG_ANY, "%s: unmatched ID - exiting", __func__);
- return -ENODEV;
- }
-
/* set required alternate setting */
hostif = interface->cur_altsetting;
if (hostif->desc.bAlternateSetting != 3) {
@@ -2105,45 +2155,22 @@ static int gigaset_probe(struct usb_interface *interface,
* - three for the different uses of the default control pipe
* - three for each isochronous pipe
*/
- ucs->urb_int_in = usb_alloc_urb(0, SLAB_KERNEL);
- if (!ucs->urb_int_in) {
- dev_err(cs->dev, "no free urbs available\n");
- goto error;
- }
- ucs->urb_cmd_in = usb_alloc_urb(0, SLAB_KERNEL);
- if (!ucs->urb_cmd_in) {
- dev_err(cs->dev, "no free urbs available\n");
- goto error;
- }
- ucs->urb_cmd_out = usb_alloc_urb(0, SLAB_KERNEL);
- if (!ucs->urb_cmd_out) {
- dev_err(cs->dev, "no free urbs available\n");
- goto error;
- }
- ucs->urb_ctrl = usb_alloc_urb(0, SLAB_KERNEL);
- if (!ucs->urb_ctrl) {
- dev_err(cs->dev, "no free urbs available\n");
- goto error;
- }
+ if (!(ucs->urb_int_in = usb_alloc_urb(0, SLAB_KERNEL)) ||
+ !(ucs->urb_cmd_in = usb_alloc_urb(0, SLAB_KERNEL)) ||
+ !(ucs->urb_cmd_out = usb_alloc_urb(0, SLAB_KERNEL)) ||
+ !(ucs->urb_ctrl = usb_alloc_urb(0, SLAB_KERNEL)))
+ goto allocerr;
for (j = 0; j < 2; ++j) {
ubc = cs->bcs[j].hw.bas;
- for (i = 0; i < BAS_OUTURBS; ++i) {
- ubc->isoouturbs[i].urb =
- usb_alloc_urb(BAS_NUMFRAMES, SLAB_KERNEL);
- if (!ubc->isoouturbs[i].urb) {
- dev_err(cs->dev, "no free urbs available\n");
- goto error;
- }
- }
- for (i = 0; i < BAS_INURBS; ++i) {
- ubc->isoinurbs[i] =
- usb_alloc_urb(BAS_NUMFRAMES, SLAB_KERNEL);
- if (!ubc->isoinurbs[i]) {
- dev_err(cs->dev, "no free urbs available\n");
- goto error;
- }
- }
+ for (i = 0; i < BAS_OUTURBS; ++i)
+ if (!(ubc->isoouturbs[i].urb =
+ usb_alloc_urb(BAS_NUMFRAMES, SLAB_KERNEL)))
+ goto allocerr;
+ for (i = 0; i < BAS_INURBS; ++i)
+ if (!(ubc->isoinurbs[i] =
+ usb_alloc_urb(BAS_NUMFRAMES, SLAB_KERNEL)))
+ goto allocerr;
}
ucs->rcvbuf = NULL;
@@ -2156,15 +2183,14 @@ static int gigaset_probe(struct usb_interface *interface,
(endpoint->bEndpointAddress) & 0x0f),
ucs->int_in_buf, 3, read_int_callback, cs,
endpoint->bInterval);
- ret = usb_submit_urb(ucs->urb_int_in, SLAB_KERNEL);
- if (ret) {
+ if ((rc = usb_submit_urb(ucs->urb_int_in, SLAB_KERNEL)) != 0) {
dev_err(cs->dev, "could not submit interrupt URB: %s\n",
- get_usb_statmsg(ret));
+ get_usb_rcmsg(rc));
goto error;
}
/* tell the device that the driver is ready */
- if ((ret = req_submit(cs->bcs, HD_DEVICE_INIT_ACK, 0, 0)) != 0)
+ if ((rc = req_submit(cs->bcs, HD_DEVICE_INIT_ACK, 0, 0)) != 0)
goto error;
/* tell common part that the device is ready */
@@ -2179,6 +2205,8 @@ static int gigaset_probe(struct usb_interface *interface,
return 0;
+allocerr:
+ dev_err(cs->dev, "could not allocate URBs\n");
error:
freeurbs(cs);
usb_set_intfdata(interface, NULL);
@@ -2193,19 +2221,34 @@ static void gigaset_disconnect(struct usb_interface *interface)
{
struct cardstate *cs;
struct bas_cardstate *ucs;
+ int j;
cs = usb_get_intfdata(interface);
ucs = cs->hw.bas;
dev_info(cs->dev, "disconnecting Gigaset base\n");
+
+ /* mark base as not ready, all channels disconnected */
+ atomic_set(&ucs->basstate, 0);
+
+ /* tell LL all channels are down */
+ //FIXME shouldn't gigaset_stop() do this?
+ for (j = 0; j < 2; ++j)
+ gigaset_bchannel_down(cs->bcs + j);
+
+ /* stop driver (common part) */
gigaset_stop(cs);
+
+ /* stop timers and URBs, free ressources */
+ del_timer_sync(&ucs->timer_ctrl);
+ del_timer_sync(&ucs->timer_atrdy);
+ del_timer_sync(&ucs->timer_cmd_in);
freeurbs(cs);
usb_set_intfdata(interface, NULL);
kfree(ucs->rcvbuf);
ucs->rcvbuf = NULL;
ucs->rcvbuf_size = 0;
- atomic_set(&ucs->basstate, 0);
usb_put_dev(ucs->udev);
ucs->interface = NULL;
ucs->udev = NULL;
@@ -2277,6 +2320,8 @@ error: if (cardstate)
*/
static void __exit bas_gigaset_exit(void)
{
+ struct bas_cardstate *ucs = cardstate->hw.bas;
+
gigaset_blockdriver(driver); /* => probe will fail
* => no gigaset_start any more
*/
@@ -2284,14 +2329,26 @@ static void __exit bas_gigaset_exit(void)
gigaset_shutdown(cardstate);
/* from now on, no isdn callback should be possible */
- if (atomic_read(&cardstate->hw.bas->basstate) & BS_ATOPEN) {
- gig_dbg(DEBUG_ANY, "closing AT channel");
- if (req_submit(cardstate->bcs,
- HD_CLOSE_ATCHANNEL, 0, BAS_TIMEOUT) >= 0) {
- /* successfully submitted */
- //FIXME wait for completion?
- }
+ /* close all still open channels */
+ if (atomic_read(&ucs->basstate) & BS_B1OPEN) {
+ gig_dbg(DEBUG_INIT, "closing B1 channel");
+ usb_control_msg(ucs->udev, usb_sndctrlpipe(ucs->udev, 0),
+ HD_CLOSE_B1CHANNEL, OUT_VENDOR_REQ, 0, 0,
+ NULL, 0, BAS_TIMEOUT);
+ }
+ if (atomic_read(&ucs->basstate) & BS_B2OPEN) {
+ gig_dbg(DEBUG_INIT, "closing B2 channel");
+ usb_control_msg(ucs->udev, usb_sndctrlpipe(ucs->udev, 0),
+ HD_CLOSE_B2CHANNEL, OUT_VENDOR_REQ, 0, 0,
+ NULL, 0, BAS_TIMEOUT);
+ }
+ if (atomic_read(&ucs->basstate) & BS_ATOPEN) {
+ gig_dbg(DEBUG_INIT, "closing AT channel");
+ usb_control_msg(ucs->udev, usb_sndctrlpipe(ucs->udev, 0),
+ HD_CLOSE_ATCHANNEL, OUT_VENDOR_REQ, 0, 0,
+ NULL, 0, BAS_TIMEOUT);
}
+ atomic_set(&ucs->basstate, 0);
/* deregister this driver with the USB subsystem */
usb_deregister(&gigaset_usb_driver);
diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index 749b3da1236..e55767b2ccd 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -781,8 +781,7 @@ error: if (cs)
}
EXPORT_SYMBOL_GPL(gigaset_initcs);
-/* ReInitialize the b-channel structure */
-/* e.g. called on hangup, disconnect */
+/* ReInitialize the b-channel structure on hangup */
void gigaset_bcs_reinit(struct bc_state *bcs)
{
struct sk_buff *skb;
diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c
index 1ba3424a286..18e05c09b71 100644
--- a/drivers/isdn/gigaset/ev-layer.c
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -373,6 +373,9 @@ struct reply_t gigaset_tab_cid_m10x[] = /* for M10x */
{EV_TIMEOUT, 750,750, -1, 0, 0, {ACT_CONNTIMEOUT}},
+ /* B channel closed (general case) */
+ {EV_BC_CLOSED, -1, -1, -1, -1,-1, {ACT_NOTIFY_BC_DOWN}}, //FIXME
+
/* misc. */
{EV_PROTO_L2, -1, -1, -1, -1,-1, {ACT_PROTO_L2}}, //FIXME
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h
index 9d21ba8757b..22b9693f7c0 100644
--- a/drivers/isdn/gigaset/gigaset.h
+++ b/drivers/isdn/gigaset/gigaset.h
@@ -75,7 +75,7 @@ extern int gigaset_debuglevel; /* "needs" cast to (enum debuglevel) */
* e.g. 'insmod usb_gigaset.o debug=0x2c' will set DEBUG_OPEN, DEBUG_CMD and
* DEBUG_INTR.
*/
-enum debuglevel { /* up to 24 bits (atomic_t) */
+enum debuglevel {
DEBUG_REG = 0x0002, /* serial port I/O register operations */
DEBUG_OPEN = 0x0004, /* open/close serial port */
DEBUG_INTR = 0x0008, /* interrupt processing */
@@ -141,7 +141,7 @@ enum debuglevel { /* up to 24 bits (atomic_t) */
printk(KERN_DEBUG KBUILD_MODNAME ": " format "\n", \
## arg); \
} while (0)
-#define DEBUG_DEFAULT (DEBUG_INIT | DEBUG_TRANSCMD | DEBUG_CMD | DEBUG_USBREQ)
+#define DEBUG_DEFAULT (DEBUG_TRANSCMD | DEBUG_CMD | DEBUG_USBREQ)
#else
@@ -627,8 +627,7 @@ struct gigaset_ops {
/* Called by gigaset_freecs() for freeing bcs->hw.xxx */
int (*freebcshw)(struct bc_state *bcs);
- /* Called by gigaset_stop() or gigaset_bchannel_down() for resetting
- bcs->hw.xxx */
+ /* Called by gigaset_bchannel_down() for resetting bcs->hw.xxx */
void (*reinitbcshw)(struct bc_state *bcs);
/* Called by gigaset_initcs() for setting up cs->hw.xxx */
diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c
index 0815dbfb829..1654fa41357 100644
--- a/drivers/isdn/gigaset/i4l.c
+++ b/drivers/isdn/gigaset/i4l.c
@@ -73,7 +73,7 @@ static int writebuf_from_LL(int driverID, int channel, int ack,
len, skblen, (unsigned) skb->head[0], (unsigned) skb->head[1]);
/* pass to device-specific module */
- return cs->ops->send_skb(bcs, skb); //FIXME cs->ops->send_skb() must handle !cs->connected correctly
+ return cs->ops->send_skb(bcs, skb);
}
void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *skb)
diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c
index 45f017ed6e8..8667daaa1a8 100644
--- a/drivers/isdn/gigaset/isocdata.c
+++ b/drivers/isdn/gigaset/isocdata.c
@@ -992,14 +992,18 @@ int gigaset_isoc_send_skb(struct bc_state *bcs, struct sk_buff *skb)
int len = skb->len;
unsigned long flags;
+ spin_lock_irqsave(&bcs->cs->lock, flags);
+ if (!bcs->cs->connected) {
+ spin_unlock_irqrestore(&bcs->cs->lock, flags);
+ return -ENODEV;
+ }
+
skb_queue_tail(&bcs->squeue, skb);
gig_dbg(DEBUG_ISO, "%s: skb queued, qlen=%d",
__func__, skb_queue_len(&bcs->squeue));
/* tasklet submits URB if necessary */
- spin_lock_irqsave(&bcs->cs->lock, flags);
- if (bcs->cs->connected)
- tasklet_schedule(&bcs->hw.bas->sent_tasklet);
+ tasklet_schedule(&bcs->hw.bas->sent_tasklet);
spin_unlock_irqrestore(&bcs->cs->lock, flags);
return len; /* ok so far */
diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c
index 5ebfd1d138d..5282fec1707 100644
--- a/drivers/macintosh/therm_adt746x.c
+++ b/drivers/macintosh/therm_adt746x.c
@@ -627,8 +627,8 @@ thermostat_init(void)
if(therm_type == ADT7460)
device_create_file(&of_dev->dev, &dev_attr_sensor2_fan_speed);
-#ifndef CONFIG_I2C_KEYWEST
- request_module("i2c-keywest");
+#ifndef CONFIG_I2C_POWERMAC
+ request_module("i2c-powermac");
#endif
return i2c_add_driver(&thermostat_driver);
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 434ca39d19c..d7316b829a6 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -279,11 +279,6 @@ static inline int mddev_lock(mddev_t * mddev)
return mutex_lock_interruptible(&mddev->reconfig_mutex);
}
-static inline void mddev_lock_uninterruptible(mddev_t * mddev)
-{
- mutex_lock(&mddev->reconfig_mutex);
-}
-
static inline int mddev_trylock(mddev_t * mddev)
{
return mutex_trylock(&mddev->reconfig_mutex);
@@ -2458,9 +2453,11 @@ md_attr_show(struct kobject *kobj, struct attribute *attr, char *page)
if (!entry->show)
return -EIO;
- mddev_lock(mddev);
- rv = entry->show(mddev, page);
- mddev_unlock(mddev);
+ rv = mddev_lock(mddev);
+ if (!rv) {
+ rv = entry->show(mddev, page);
+ mddev_unlock(mddev);
+ }
return rv;
}
@@ -2474,9 +2471,11 @@ md_attr_store(struct kobject *kobj, struct attribute *attr,
if (!entry->store)
return -EIO;
- mddev_lock(mddev);
- rv = entry->store(mddev, page, length);
- mddev_unlock(mddev);
+ rv = mddev_lock(mddev);
+ if (!rv) {
+ rv = entry->store(mddev, page, length);
+ mddev_unlock(mddev);
+ }
return rv;
}
@@ -4341,8 +4340,9 @@ static int md_seq_show(struct seq_file *seq, void *v)
return 0;
}
- if (mddev_lock(mddev)!=0)
+ if (mddev_lock(mddev) < 0)
return -EINTR;
+
if (mddev->pers || mddev->raid_disks || !list_empty(&mddev->disks)) {
seq_printf(seq, "%s : %sactive", mdname(mddev),
mddev->pers ? "" : "in");
diff --git a/drivers/mmc/pxamci.c b/drivers/mmc/pxamci.c
index eb9a8826e9b..eb42cb34942 100644
--- a/drivers/mmc/pxamci.c
+++ b/drivers/mmc/pxamci.c
@@ -65,11 +65,6 @@ struct pxamci_host {
unsigned int dma_dir;
};
-static inline unsigned int ns_to_clocks(unsigned int ns)
-{
- return (ns * (CLOCKRATE / 1000000) + 999) / 1000;
-}
-
static void pxamci_stop_clock(struct pxamci_host *host)
{
if (readl(host->base + MMC_STAT) & STAT_CLK_EN) {
@@ -113,6 +108,7 @@ static void pxamci_disable_irq(struct pxamci_host *host, unsigned int mask)
static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data)
{
unsigned int nob = data->blocks;
+ unsigned long long clks;
unsigned int timeout;
u32 dcmd;
int i;
@@ -125,7 +121,9 @@ static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data)
writel(nob, host->base + MMC_NOB);
writel(1 << data->blksz_bits, host->base + MMC_BLKLEN);
- timeout = ns_to_clocks(data->timeout_ns) + data->timeout_clks;
+ clks = (unsigned long long)data->timeout_ns * CLOCKRATE;
+ do_div(clks, 1000000000UL);
+ timeout = (unsigned int)clks + (data->timeout_clks << host->clkrt);
writel((timeout + 255) / 256, host->base + MMC_RDTO);
if (data->flags & MMC_DATA_READ) {
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index add8dc4aa7b..c99e87838f9 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3768,6 +3768,7 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
ps_page->ps_page[j] = NULL;
skb->len += length;
skb->data_len += length;
+ skb->truesize += length;
}
copydone:
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 7627a75f4f7..9788b1ef2e7 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -105,6 +105,7 @@
* 0.50: 20 Jan 2006: Add 8021pq tagging support.
* 0.51: 20 Jan 2006: Add 64bit consistent memory allocation for rings.
* 0.52: 20 Jan 2006: Add MSI/MSIX support.
+ * 0.53: 19 Mar 2006: Fix init from low power mode and add hw reset.
*
* Known bugs:
* We suspect that on some hardware no TX done interrupts are generated.
@@ -116,7 +117,7 @@
* DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few
* superfluous timer interrupts from the nic.
*/
-#define FORCEDETH_VERSION "0.52"
+#define FORCEDETH_VERSION "0.53"
#define DRV_NAME "forcedeth"
#include <linux/module.h>
@@ -160,6 +161,7 @@
#define DEV_HAS_VLAN 0x0020 /* device supports vlan tagging and striping */
#define DEV_HAS_MSI 0x0040 /* device supports MSI */
#define DEV_HAS_MSI_X 0x0080 /* device supports MSI-X */
+#define DEV_HAS_POWER_CNTRL 0x0100 /* device supports power savings */
enum {
NvRegIrqStatus = 0x000,
@@ -203,6 +205,8 @@ enum {
#define NVREG_MISC1_HD 0x02
#define NVREG_MISC1_FORCE 0x3b0f3c
+ NvRegMacReset = 0x3c,
+#define NVREG_MAC_RESET_ASSERT 0x0F3
NvRegTransmitterControl = 0x084,
#define NVREG_XMITCTL_START 0x01
NvRegTransmitterStatus = 0x088,
@@ -326,6 +330,10 @@ enum {
NvRegMSIXMap0 = 0x3e0,
NvRegMSIXMap1 = 0x3e4,
NvRegMSIXIrqStatus = 0x3f0,
+
+ NvRegPowerState2 = 0x600,
+#define NVREG_POWERSTATE2_POWERUP_MASK 0x0F11
+#define NVREG_POWERSTATE2_POWERUP_REV_A3 0x0001
};
/* Big endian: should work, but is untested */
@@ -414,7 +422,8 @@ typedef union _ring_type {
#define NV_RX3_VLAN_TAG_MASK (0x0000FFFF)
/* Miscelaneous hardware related defines: */
-#define NV_PCI_REGSZ 0x270
+#define NV_PCI_REGSZ_VER1 0x270
+#define NV_PCI_REGSZ_VER2 0x604
/* various timeout delays: all in usec */
#define NV_TXRX_RESET_DELAY 4
@@ -431,6 +440,7 @@ typedef union _ring_type {
#define NV_MIIBUSY_DELAY 50
#define NV_MIIPHY_DELAY 10
#define NV_MIIPHY_DELAYMAX 10000
+#define NV_MAC_RESET_DELAY 64
#define NV_WAKEUPPATTERNS 5
#define NV_WAKEUPMASKENTRIES 4
@@ -552,6 +562,8 @@ struct fe_priv {
u32 desc_ver;
u32 txrxctl_bits;
u32 vlanctl_bits;
+ u32 driver_data;
+ u32 register_size;
void __iomem *base;
@@ -919,6 +931,24 @@ static void nv_txrx_reset(struct net_device *dev)
pci_push(base);
}
+static void nv_mac_reset(struct net_device *dev)
+{
+ struct fe_priv *np = netdev_priv(dev);
+ u8 __iomem *base = get_hwbase(dev);
+
+ dprintk(KERN_DEBUG "%s: nv_mac_reset\n", dev->name);
+ writel(NVREG_TXRXCTL_BIT2 | NVREG_TXRXCTL_RESET | np->txrxctl_bits, base + NvRegTxRxControl);
+ pci_push(base);
+ writel(NVREG_MAC_RESET_ASSERT, base + NvRegMacReset);
+ pci_push(base);
+ udelay(NV_MAC_RESET_DELAY);
+ writel(0, base + NvRegMacReset);
+ pci_push(base);
+ udelay(NV_MAC_RESET_DELAY);
+ writel(NVREG_TXRXCTL_BIT2 | np->txrxctl_bits, base + NvRegTxRxControl);
+ pci_push(base);
+}
+
/*
* nv_get_stats: dev->get_stats function
* Get latest stats value from the nic.
@@ -1331,7 +1361,7 @@ static void nv_tx_timeout(struct net_device *dev)
dev->name, (unsigned long)np->ring_addr,
np->next_tx, np->nic_tx);
printk(KERN_INFO "%s: Dumping tx registers\n", dev->name);
- for (i=0;i<0x400;i+= 32) {
+ for (i=0;i<=np->register_size;i+= 32) {
printk(KERN_INFO "%3x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
i,
readl(base + i + 0), readl(base + i + 4),
@@ -2488,11 +2518,11 @@ static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
}
#define FORCEDETH_REGS_VER 1
-#define FORCEDETH_REGS_SIZE 0x400 /* 256 32-bit registers */
static int nv_get_regs_len(struct net_device *dev)
{
- return FORCEDETH_REGS_SIZE;
+ struct fe_priv *np = netdev_priv(dev);
+ return np->register_size;
}
static void nv_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *buf)
@@ -2504,7 +2534,7 @@ static void nv_get_regs(struct net_device *dev, struct ethtool_regs *regs, void
regs->version = FORCEDETH_REGS_VER;
spin_lock_irq(&np->lock);
- for (i=0;i<FORCEDETH_REGS_SIZE/sizeof(u32);i++)
+ for (i = 0;i <= np->register_size/sizeof(u32); i++)
rbuf[i] = readl(base + i*sizeof(u32));
spin_unlock_irq(&np->lock);
}
@@ -2608,6 +2638,8 @@ static int nv_open(struct net_device *dev)
dprintk(KERN_DEBUG "nv_open: begin\n");
/* 1) erase previous misconfiguration */
+ if (np->driver_data & DEV_HAS_POWER_CNTRL)
+ nv_mac_reset(dev);
/* 4.1-1: stop adapter: ignored, 4.3 seems to be overkill */
writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA);
writel(0, base + NvRegMulticastAddrB);
@@ -2878,6 +2910,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
unsigned long addr;
u8 __iomem *base;
int err, i;
+ u32 powerstate;
dev = alloc_etherdev(sizeof(struct fe_priv));
err = -ENOMEM;
@@ -2910,6 +2943,11 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
if (err < 0)
goto out_disable;
+ if (id->driver_data & (DEV_HAS_VLAN|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL))
+ np->register_size = NV_PCI_REGSZ_VER2;
+ else
+ np->register_size = NV_PCI_REGSZ_VER1;
+
err = -EINVAL;
addr = 0;
for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
@@ -2918,7 +2956,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
pci_resource_len(pci_dev, i),
pci_resource_flags(pci_dev, i));
if (pci_resource_flags(pci_dev, i) & IORESOURCE_MEM &&
- pci_resource_len(pci_dev, i) >= NV_PCI_REGSZ) {
+ pci_resource_len(pci_dev, i) >= np->register_size) {
addr = pci_resource_start(pci_dev, i);
break;
}
@@ -2929,6 +2967,9 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
goto out_relreg;
}
+ /* copy of driver data */
+ np->driver_data = id->driver_data;
+
/* handle different descriptor versions */
if (id->driver_data & DEV_HAS_HIGH_DMA) {
/* packet format 3: supports 40-bit addressing */
@@ -2986,7 +3027,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
}
err = -ENOMEM;
- np->base = ioremap(addr, NV_PCI_REGSZ);
+ np->base = ioremap(addr, np->register_size);
if (!np->base)
goto out_relreg;
dev->base_addr = (unsigned long)np->base;
@@ -3062,6 +3103,20 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
writel(0, base + NvRegWakeUpFlags);
np->wolenabled = 0;
+ if (id->driver_data & DEV_HAS_POWER_CNTRL) {
+ u8 revision_id;
+ pci_read_config_byte(pci_dev, PCI_REVISION_ID, &revision_id);
+
+ /* take phy and nic out of low power mode */
+ powerstate = readl(base + NvRegPowerState2);
+ powerstate &= ~NVREG_POWERSTATE2_POWERUP_MASK;
+ if ((id->device == PCI_DEVICE_ID_NVIDIA_NVENET_12 ||
+ id->device == PCI_DEVICE_ID_NVIDIA_NVENET_13) &&
+ revision_id >= 0xA3)
+ powerstate |= NVREG_POWERSTATE2_POWERUP_REV_A3;
+ writel(powerstate, base + NvRegPowerState2);
+ }
+
if (np->desc_ver == DESC_VER_1) {
np->tx_flags = NV_TX_VALID;
} else {
@@ -3223,19 +3278,19 @@ static struct pci_device_id pci_tbl[] = {
},
{ /* MCP51 Ethernet Controller */
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_12),
- .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA,
+ .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL,
},
{ /* MCP51 Ethernet Controller */
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_13),
- .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA,
+ .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL,
},
{ /* MCP55 Ethernet Controller */
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_14),
- .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X,
+ .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL,
},
{ /* MCP55 Ethernet Controller */
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_15),
- .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X,
+ .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL,
},
{0,},
};
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 771e25d8c41..218d31764c5 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -210,7 +210,8 @@ static int gfar_probe(struct platform_device *pdev)
goto regs_fail;
}
- spin_lock_init(&priv->lock);
+ spin_lock_init(&priv->txlock);
+ spin_lock_init(&priv->rxlock);
platform_set_drvdata(pdev, dev);
@@ -515,11 +516,13 @@ void stop_gfar(struct net_device *dev)
phy_stop(priv->phydev);
/* Lock it down */
- spin_lock_irqsave(&priv->lock, flags);
+ spin_lock_irqsave(&priv->txlock, flags);
+ spin_lock(&priv->rxlock);
gfar_halt(dev);
- spin_unlock_irqrestore(&priv->lock, flags);
+ spin_unlock(&priv->rxlock);
+ spin_unlock_irqrestore(&priv->txlock, flags);
/* Free the IRQs */
if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
@@ -605,14 +608,15 @@ void gfar_start(struct net_device *dev)
tempval |= DMACTRL_INIT_SETTINGS;
gfar_write(&priv->regs->dmactrl, tempval);
- /* Clear THLT, so that the DMA starts polling now */
- gfar_write(&regs->tstat, TSTAT_CLEAR_THALT);
-
/* Make sure we aren't stopped */
tempval = gfar_read(&priv->regs->dmactrl);
tempval &= ~(DMACTRL_GRS | DMACTRL_GTS);
gfar_write(&priv->regs->dmactrl, tempval);
+ /* Clear THLT/RHLT, so that the DMA starts polling now */
+ gfar_write(&regs->tstat, TSTAT_CLEAR_THALT);
+ gfar_write(&regs->rstat, RSTAT_CLEAR_RHALT);
+
/* Unmask the interrupts we look for */
gfar_write(&regs->imask, IMASK_DEFAULT);
}
@@ -928,12 +932,13 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
struct txfcb *fcb = NULL;
struct txbd8 *txbdp;
u16 status;
+ unsigned long flags;
/* Update transmit stats */
priv->stats.tx_bytes += skb->len;
/* Lock priv now */
- spin_lock_irq(&priv->lock);
+ spin_lock_irqsave(&priv->txlock, flags);
/* Point at the first free tx descriptor */
txbdp = priv->cur_tx;
@@ -1004,7 +1009,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
gfar_write(&priv->regs->tstat, TSTAT_CLEAR_THALT);
/* Unlock priv */
- spin_unlock_irq(&priv->lock);
+ spin_unlock_irqrestore(&priv->txlock, flags);
return 0;
}
@@ -1049,7 +1054,7 @@ static void gfar_vlan_rx_register(struct net_device *dev,
unsigned long flags;
u32 tempval;
- spin_lock_irqsave(&priv->lock, flags);
+ spin_lock_irqsave(&priv->rxlock, flags);
priv->vlgrp = grp;
@@ -1076,7 +1081,7 @@ static void gfar_vlan_rx_register(struct net_device *dev,
gfar_write(&priv->regs->rctrl, tempval);
}
- spin_unlock_irqrestore(&priv->lock, flags);
+ spin_unlock_irqrestore(&priv->rxlock, flags);
}
@@ -1085,12 +1090,12 @@ static void gfar_vlan_rx_kill_vid(struct net_device *dev, uint16_t vid)
struct gfar_private *priv = netdev_priv(dev);
unsigned long flags;
- spin_lock_irqsave(&priv->lock, flags);
+ spin_lock_irqsave(&priv->rxlock, flags);
if (priv->vlgrp)
priv->vlgrp->vlan_devices[vid] = NULL;
- spin_unlock_irqrestore(&priv->lock, flags);
+ spin_unlock_irqrestore(&priv->rxlock, flags);
}
@@ -1179,7 +1184,7 @@ static irqreturn_t gfar_transmit(int irq, void *dev_id, struct pt_regs *regs)
gfar_write(&priv->regs->ievent, IEVENT_TX_MASK);
/* Lock priv */
- spin_lock(&priv->lock);
+ spin_lock(&priv->txlock);
bdp = priv->dirty_tx;
while ((bdp->status & TXBD_READY) == 0) {
/* If dirty_tx and cur_tx are the same, then either the */
@@ -1224,7 +1229,7 @@ static irqreturn_t gfar_transmit(int irq, void *dev_id, struct pt_regs *regs)
else
gfar_write(&priv->regs->txic, 0);
- spin_unlock(&priv->lock);
+ spin_unlock(&priv->txlock);
return IRQ_HANDLED;
}
@@ -1305,9 +1310,10 @@ irqreturn_t gfar_receive(int irq, void *dev_id, struct pt_regs *regs)
{
struct net_device *dev = (struct net_device *) dev_id;
struct gfar_private *priv = netdev_priv(dev);
-
#ifdef CONFIG_GFAR_NAPI
u32 tempval;
+#else
+ unsigned long flags;
#endif
/* Clear IEVENT, so rx interrupt isn't called again
@@ -1330,7 +1336,7 @@ irqreturn_t gfar_receive(int irq, void *dev_id, struct pt_regs *regs)
}
#else
- spin_lock(&priv->lock);
+ spin_lock_irqsave(&priv->rxlock, flags);
gfar_clean_rx_ring(dev, priv->rx_ring_size);
/* If we are coalescing interrupts, update the timer */
@@ -1341,7 +1347,7 @@ irqreturn_t gfar_receive(int irq, void *dev_id, struct pt_regs *regs)
else
gfar_write(&priv->regs->rxic, 0);
- spin_unlock(&priv->lock);
+ spin_unlock_irqrestore(&priv->rxlock, flags);
#endif
return IRQ_HANDLED;
@@ -1490,13 +1496,6 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
/* Update the current rxbd pointer to be the next one */
priv->cur_rx = bdp;
- /* If no packets have arrived since the
- * last one we processed, clear the IEVENT RX and
- * BSY bits so that another interrupt won't be
- * generated when we set IMASK */
- if (bdp->status & RXBD_EMPTY)
- gfar_write(&priv->regs->ievent, IEVENT_RX_MASK);
-
return howmany;
}
@@ -1516,7 +1515,7 @@ static int gfar_poll(struct net_device *dev, int *budget)
rx_work_limit -= howmany;
*budget -= howmany;
- if (rx_work_limit >= 0) {
+ if (rx_work_limit > 0) {
netif_rx_complete(dev);
/* Clear the halt bit in RSTAT */
@@ -1533,7 +1532,8 @@ static int gfar_poll(struct net_device *dev, int *budget)
gfar_write(&priv->regs->rxic, 0);
}
- return (rx_work_limit < 0) ? 1 : 0;
+ /* Return 1 if there's more work to do */
+ return (rx_work_limit > 0) ? 0 : 1;
}
#endif
@@ -1629,7 +1629,7 @@ static void adjust_link(struct net_device *dev)
struct phy_device *phydev = priv->phydev;
int new_state = 0;
- spin_lock_irqsave(&priv->lock, flags);
+ spin_lock_irqsave(&priv->txlock, flags);
if (phydev->link) {
u32 tempval = gfar_read(&regs->maccfg2);
u32 ecntrl = gfar_read(&regs->ecntrl);
@@ -1694,7 +1694,7 @@ static void adjust_link(struct net_device *dev)
if (new_state && netif_msg_link(priv))
phy_print_status(phydev);
- spin_unlock_irqrestore(&priv->lock, flags);
+ spin_unlock_irqrestore(&priv->txlock, flags);
}
/* Update the hash table based on the current list of multicast
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index d37d5401be6..127c98cf333 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -656,43 +656,62 @@ struct gfar {
* the buffer descriptor determines the actual condition.
*/
struct gfar_private {
- /* pointers to arrays of skbuffs for tx and rx */
+ /* Fields controlled by TX lock */
+ spinlock_t txlock;
+
+ /* Pointer to the array of skbuffs */
struct sk_buff ** tx_skbuff;
- struct sk_buff ** rx_skbuff;
- /* indices pointing to the next free sbk in skb arrays */
+ /* next free skb in the array */
u16 skb_curtx;
- u16 skb_currx;
- /* index of the first skb which hasn't been transmitted
- * yet. */
+ /* First skb in line to be transmitted */
u16 skb_dirtytx;
/* Configuration info for the coalescing features */
unsigned char txcoalescing;
unsigned short txcount;
unsigned short txtime;
+
+ /* Buffer descriptor pointers */
+ struct txbd8 *tx_bd_base; /* First tx buffer descriptor */
+ struct txbd8 *cur_tx; /* Next free ring entry */
+ struct txbd8 *dirty_tx; /* First buffer in line
+ to be transmitted */
+ unsigned int tx_ring_size;
+
+ /* RX Locked fields */
+ spinlock_t rxlock;
+
+ /* skb array and index */
+ struct sk_buff ** rx_skbuff;
+ u16 skb_currx;
+
+ /* RX Coalescing values */
unsigned char rxcoalescing;
unsigned short rxcount;
unsigned short rxtime;
- /* GFAR addresses */
- struct rxbd8 *rx_bd_base; /* Base addresses of Rx and Tx Buffers */
- struct txbd8 *tx_bd_base;
+ struct rxbd8 *rx_bd_base; /* First Rx buffers */
struct rxbd8 *cur_rx; /* Next free rx ring entry */
- struct txbd8 *cur_tx; /* Next free ring entry */
- struct txbd8 *dirty_tx; /* The Ring entry to be freed. */
- struct gfar __iomem *regs; /* Pointer to the GFAR memory mapped Registers */
- u32 __iomem *hash_regs[16];
- int hash_width;
- struct net_device_stats stats; /* linux network statistics */
- struct gfar_extra_stats extra_stats;
- spinlock_t lock;
+
+ /* RX parameters */
+ unsigned int rx_ring_size;
unsigned int rx_buffer_size;
unsigned int rx_stash_size;
unsigned int rx_stash_index;
- unsigned int tx_ring_size;
- unsigned int rx_ring_size;
+
+ struct vlan_group *vlgrp;
+
+ /* Unprotected fields */
+ /* Pointer to the GFAR memory mapped Registers */
+ struct gfar __iomem *regs;
+
+ /* Hash registers and their width */
+ u32 __iomem *hash_regs[16];
+ int hash_width;
+
+ /* global parameters */
unsigned int fifo_threshold;
unsigned int fifo_starve;
unsigned int fifo_starve_off;
@@ -702,13 +721,15 @@ struct gfar_private {
extended_hash:1,
bd_stash_en:1;
unsigned short padding;
- struct vlan_group *vlgrp;
- /* Info structure initialized by board setup code */
+
unsigned int interruptTransmit;
unsigned int interruptReceive;
unsigned int interruptError;
+
+ /* info structure initialized by platform code */
struct gianfar_platform_data *einfo;
+ /* PHY stuff */
struct phy_device *phydev;
struct mii_bus *mii_bus;
int oldspeed;
@@ -716,6 +737,10 @@ struct gfar_private {
int oldlink;
uint32_t msg_enable;
+
+ /* Network Statistics */
+ struct net_device_stats stats;
+ struct gfar_extra_stats extra_stats;
};
static inline u32 gfar_read(volatile unsigned __iomem *addr)
diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c
index 5de7b2e259d..d69698c695e 100644
--- a/drivers/net/gianfar_ethtool.c
+++ b/drivers/net/gianfar_ethtool.c
@@ -455,10 +455,14 @@ static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rva
/* Halt TX and RX, and process the frames which
* have already been received */
- spin_lock_irqsave(&priv->lock, flags);
+ spin_lock_irqsave(&priv->txlock, flags);
+ spin_lock(&priv->rxlock);
+
gfar_halt(dev);
gfar_clean_rx_ring(dev, priv->rx_ring_size);
- spin_unlock_irqrestore(&priv->lock, flags);
+
+ spin_unlock(&priv->rxlock);
+ spin_unlock_irqrestore(&priv->txlock, flags);
/* Now we take down the rings to rebuild them */
stop_gfar(dev);
@@ -488,10 +492,14 @@ static int gfar_set_rx_csum(struct net_device *dev, uint32_t data)
/* Halt TX and RX, and process the frames which
* have already been received */
- spin_lock_irqsave(&priv->lock, flags);
+ spin_lock_irqsave(&priv->txlock, flags);
+ spin_lock(&priv->rxlock);
+
gfar_halt(dev);
gfar_clean_rx_ring(dev, priv->rx_ring_size);
- spin_unlock_irqrestore(&priv->lock, flags);
+
+ spin_unlock(&priv->rxlock);
+ spin_unlock_irqrestore(&priv->txlock, flags);
/* Now we take down the rings to rebuild them */
stop_gfar(dev);
@@ -523,7 +531,7 @@ static int gfar_set_tx_csum(struct net_device *dev, uint32_t data)
if (!(priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_CSUM))
return -EOPNOTSUPP;
- spin_lock_irqsave(&priv->lock, flags);
+ spin_lock_irqsave(&priv->txlock, flags);
gfar_halt(dev);
if (data)
@@ -532,7 +540,7 @@ static int gfar_set_tx_csum(struct net_device *dev, uint32_t data)
dev->features &= ~NETIF_F_IP_CSUM;
gfar_start(dev);
- spin_unlock_irqrestore(&priv->lock, flags);
+ spin_unlock_irqrestore(&priv->txlock, flags);
return 0;
}
diff --git a/drivers/net/gianfar_sysfs.c b/drivers/net/gianfar_sysfs.c
index 51ef181b136..a6d5c43199c 100644
--- a/drivers/net/gianfar_sysfs.c
+++ b/drivers/net/gianfar_sysfs.c
@@ -82,7 +82,7 @@ static ssize_t gfar_set_bd_stash(struct class_device *cdev,
else
return count;
- spin_lock_irqsave(&priv->lock, flags);
+ spin_lock_irqsave(&priv->rxlock, flags);
/* Set the new stashing value */
priv->bd_stash_en = new_setting;
@@ -96,7 +96,7 @@ static ssize_t gfar_set_bd_stash(struct class_device *cdev,
gfar_write(&priv->regs->attr, temp);
- spin_unlock_irqrestore(&priv->lock, flags);
+ spin_unlock_irqrestore(&priv->rxlock, flags);
return count;
}
@@ -118,7 +118,7 @@ static ssize_t gfar_set_rx_stash_size(struct class_device *cdev,
u32 temp;
unsigned long flags;
- spin_lock_irqsave(&priv->lock, flags);
+ spin_lock_irqsave(&priv->rxlock, flags);
if (length > priv->rx_buffer_size)
return count;
@@ -142,7 +142,7 @@ static ssize_t gfar_set_rx_stash_size(struct class_device *cdev,
gfar_write(&priv->regs->attr, temp);
- spin_unlock_irqrestore(&priv->lock, flags);
+ spin_unlock_irqrestore(&priv->rxlock, flags);
return count;
}
@@ -166,7 +166,7 @@ static ssize_t gfar_set_rx_stash_index(struct class_device *cdev,
u32 temp;
unsigned long flags;
- spin_lock_irqsave(&priv->lock, flags);
+ spin_lock_irqsave(&priv->rxlock, flags);
if (index > priv->rx_stash_size)
return count;
@@ -180,7 +180,7 @@ static ssize_t gfar_set_rx_stash_index(struct class_device *cdev,
temp |= ATTRELI_EI(index);
gfar_write(&priv->regs->attreli, flags);
- spin_unlock_irqrestore(&priv->lock, flags);
+ spin_unlock_irqrestore(&priv->rxlock, flags);
return count;
}
@@ -205,7 +205,7 @@ static ssize_t gfar_set_fifo_threshold(struct class_device *cdev,
if (length > GFAR_MAX_FIFO_THRESHOLD)
return count;
- spin_lock_irqsave(&priv->lock, flags);
+ spin_lock_irqsave(&priv->txlock, flags);
priv->fifo_threshold = length;
@@ -214,7 +214,7 @@ static ssize_t gfar_set_fifo_threshold(struct class_device *cdev,
temp |= length;
gfar_write(&priv->regs->fifo_tx_thr, temp);
- spin_unlock_irqrestore(&priv->lock, flags);
+ spin_unlock_irqrestore(&priv->txlock, flags);
return count;
}
@@ -240,7 +240,7 @@ static ssize_t gfar_set_fifo_starve(struct class_device *cdev,
if (num > GFAR_MAX_FIFO_STARVE)
return count;
- spin_lock_irqsave(&priv->lock, flags);
+ spin_lock_irqsave(&priv->txlock, flags);
priv->fifo_starve = num;
@@ -249,7 +249,7 @@ static ssize_t gfar_set_fifo_starve(struct class_device *cdev,
temp |= num;
gfar_write(&priv->regs->fifo_tx_starve, temp);
- spin_unlock_irqrestore(&priv->lock, flags);
+ spin_unlock_irqrestore(&priv->txlock, flags);
return count;
}
@@ -274,7 +274,7 @@ static ssize_t gfar_set_fifo_starve_off(struct class_device *cdev,
if (num > GFAR_MAX_FIFO_STARVE_OFF)
return count;
- spin_lock_irqsave(&priv->lock, flags);
+ spin_lock_irqsave(&priv->txlock, flags);
priv->fifo_starve_off = num;
@@ -283,7 +283,7 @@ static ssize_t gfar_set_fifo_starve_off(struct class_device *cdev,
temp |= num;
gfar_write(&priv->regs->fifo_tx_starve_shutoff, temp);
- spin_unlock_irqrestore(&priv->lock, flags);
+ spin_unlock_irqrestore(&priv->txlock, flags);
return count;
}
diff --git a/drivers/net/ne.c b/drivers/net/ne.c
index 08b218c5bfb..93c494bcd18 100644
--- a/drivers/net/ne.c
+++ b/drivers/net/ne.c
@@ -226,7 +226,7 @@ struct net_device * __init ne_probe(int unit)
netdev_boot_setup_check(dev);
#ifdef CONFIG_TOSHIBA_RBTX4938
- dev->base_addr = 0x07f20280;
+ dev->base_addr = RBTX4938_RTL_8019_BASE;
dev->irq = RBTX4938_RTL_8019_IRQ;
#endif
err = do_ne_probe(dev);
diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c
index 506e777c5f0..d090df41304 100644
--- a/drivers/net/pcmcia/pcnet_cs.c
+++ b/drivers/net/pcmcia/pcnet_cs.c
@@ -1639,6 +1639,7 @@ static struct pcmcia_device_id pcnet_ids[] = {
PCMCIA_DEVICE_PROD_ID12("CONTEC", "C-NET(PC)C-10L", 0x21cab552, 0xf6f90722),
PCMCIA_DEVICE_PROD_ID12("corega", "FEther PCC-TXF", 0x0a21501a, 0xa51564a2),
PCMCIA_DEVICE_PROD_ID12("corega K.K.", "corega EtherII PCC-T", 0x5261440f, 0xfa9d85bd),
+ PCMCIA_DEVICE_PROD_ID12("corega K.K.", "corega EtherII PCC-TD", 0x5261440f, 0xc49bd73d),
PCMCIA_DEVICE_PROD_ID12("Corega K.K.", "corega EtherII PCC-TD", 0xd4fdcbd8, 0xc49bd73d),
PCMCIA_DEVICE_PROD_ID12("corega K.K.", "corega Ether PCC-T", 0x5261440f, 0x6705fcaa),
PCMCIA_DEVICE_PROD_ID12("corega K.K.", "corega FastEther PCC-TX", 0x5261440f, 0x485e85d9),
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 67b0eab1658..227df9876a2 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -51,7 +51,7 @@
#include "sky2.h"
#define DRV_NAME "sky2"
-#define DRV_VERSION "1.1"
+#define DRV_VERSION "1.2"
#define PFX DRV_NAME " "
/*
@@ -925,8 +925,7 @@ static inline struct sk_buff *sky2_alloc_skb(unsigned int size, gfp_t gfp_mask)
skb = alloc_skb(size + RX_SKB_ALIGN, gfp_mask);
if (likely(skb)) {
unsigned long p = (unsigned long) skb->data;
- skb_reserve(skb,
- ((p + RX_SKB_ALIGN - 1) & ~(RX_SKB_ALIGN - 1)) - p);
+ skb_reserve(skb, ALIGN(p, RX_SKB_ALIGN) - p);
}
return skb;
@@ -1686,13 +1685,12 @@ static void sky2_tx_timeout(struct net_device *dev)
}
-#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
/* Want receive buffer size to be multiple of 64 bits
* and incl room for vlan and truncation
*/
static inline unsigned sky2_buf_size(int mtu)
{
- return roundup(mtu + ETH_HLEN + VLAN_HLEN, 8) + 8;
+ return ALIGN(mtu + ETH_HLEN + VLAN_HLEN, 8) + 8;
}
static int sky2_change_mtu(struct net_device *dev, int new_mtu)
@@ -2086,6 +2084,20 @@ static void sky2_descriptor_error(struct sky2_hw *hw, unsigned port,
}
}
+/* If idle then force a fake soft NAPI poll once a second
+ * to work around cases where sharing an edge triggered interrupt.
+ */
+static void sky2_idle(unsigned long arg)
+{
+ struct net_device *dev = (struct net_device *) arg;
+
+ local_irq_disable();
+ if (__netif_rx_schedule_prep(dev))
+ __netif_rx_schedule(dev);
+ local_irq_enable();
+}
+
+
static int sky2_poll(struct net_device *dev0, int *budget)
{
struct sky2_hw *hw = ((struct sky2_port *) netdev_priv(dev0))->hw;
@@ -2093,6 +2105,7 @@ static int sky2_poll(struct net_device *dev0, int *budget)
int work_done = 0;
u32 status = sky2_read32(hw, B0_Y2_SP_EISR);
+ restart_poll:
if (unlikely(status & ~Y2_IS_STAT_BMU)) {
if (status & Y2_IS_HW_ERR)
sky2_hw_intr(hw);
@@ -2123,7 +2136,7 @@ static int sky2_poll(struct net_device *dev0, int *budget)
}
if (status & Y2_IS_STAT_BMU) {
- work_done = sky2_status_intr(hw, work_limit);
+ work_done += sky2_status_intr(hw, work_limit - work_done);
*budget -= work_done;
dev0->quota -= work_done;
@@ -2133,9 +2146,24 @@ static int sky2_poll(struct net_device *dev0, int *budget)
sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ);
}
- netif_rx_complete(dev0);
+ mod_timer(&hw->idle_timer, jiffies + HZ);
+
+ local_irq_disable();
+ __netif_rx_complete(dev0);
status = sky2_read32(hw, B0_Y2_SP_LISR);
+
+ if (unlikely(status)) {
+ /* More work pending, try and keep going */
+ if (__netif_rx_schedule_prep(dev0)) {
+ __netif_rx_reschedule(dev0, work_done);
+ status = sky2_read32(hw, B0_Y2_SP_EISR);
+ local_irq_enable();
+ goto restart_poll;
+ }
+ }
+
+ local_irq_enable();
return 0;
}
@@ -2153,8 +2181,6 @@ static irqreturn_t sky2_intr(int irq, void *dev_id, struct pt_regs *regs)
prefetch(&hw->st_le[hw->st_idx]);
if (likely(__netif_rx_schedule_prep(dev0)))
__netif_rx_schedule(dev0);
- else
- printk(KERN_DEBUG PFX "irq race detected\n");
return IRQ_HANDLED;
}
@@ -2193,7 +2219,7 @@ static inline u32 sky2_clk2us(const struct sky2_hw *hw, u32 clk)
}
-static int sky2_reset(struct sky2_hw *hw)
+static int __devinit sky2_reset(struct sky2_hw *hw)
{
u16 status;
u8 t8, pmd_type;
@@ -3276,6 +3302,8 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
+ setup_timer(&hw->idle_timer, sky2_idle, (unsigned long) dev);
+
pci_set_drvdata(pdev, hw);
return 0;
@@ -3311,13 +3339,15 @@ static void __devexit sky2_remove(struct pci_dev *pdev)
if (!hw)
return;
+ del_timer_sync(&hw->idle_timer);
+
+ sky2_write32(hw, B0_IMSK, 0);
dev0 = hw->dev[0];
dev1 = hw->dev[1];
if (dev1)
unregister_netdev(dev1);
unregister_netdev(dev0);
- sky2_write32(hw, B0_IMSK, 0);
sky2_set_power_state(hw, PCI_D3hot);
sky2_write16(hw, B0_Y2LED, LED_STAT_OFF);
sky2_write8(hw, B0_CTST, CS_RST_SET);
diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h
index 89dd18cd12f..b026f5653f0 100644
--- a/drivers/net/sky2.h
+++ b/drivers/net/sky2.h
@@ -1880,6 +1880,8 @@ struct sky2_hw {
struct sky2_status_le *st_le;
u32 st_idx;
dma_addr_t st_dma;
+
+ struct timer_list idle_timer;
int msi_detected;
wait_queue_head_t msi_wait;
};
diff --git a/drivers/net/sungem_phy.c b/drivers/net/sungem_phy.c
index cb0aba95d4e..046371ee5bb 100644
--- a/drivers/net/sungem_phy.c
+++ b/drivers/net/sungem_phy.c
@@ -275,7 +275,7 @@ static int bcm5411_init(struct mii_phy* phy)
return 0;
}
-static int bcm5411_suspend(struct mii_phy* phy)
+static int generic_suspend(struct mii_phy* phy)
{
phy_write(phy, MII_BMCR, BMCR_PDOWN);
@@ -738,7 +738,7 @@ static struct mii_phy_def bcm5401_phy_def = {
/* Broadcom BCM 5411 */
static struct mii_phy_ops bcm5411_phy_ops = {
.init = bcm5411_init,
- .suspend = bcm5411_suspend,
+ .suspend = generic_suspend,
.setup_aneg = bcm54xx_setup_aneg,
.setup_forced = bcm54xx_setup_forced,
.poll_link = genmii_poll_link,
@@ -757,7 +757,7 @@ static struct mii_phy_def bcm5411_phy_def = {
/* Broadcom BCM 5421 */
static struct mii_phy_ops bcm5421_phy_ops = {
.init = bcm5421_init,
- .suspend = bcm5411_suspend,
+ .suspend = generic_suspend,
.setup_aneg = bcm54xx_setup_aneg,
.setup_forced = bcm54xx_setup_forced,
.poll_link = genmii_poll_link,
@@ -776,7 +776,7 @@ static struct mii_phy_def bcm5421_phy_def = {
/* Broadcom BCM 5421 built-in K2 */
static struct mii_phy_ops bcm5421k2_phy_ops = {
.init = bcm5421_init,
- .suspend = bcm5411_suspend,
+ .suspend = generic_suspend,
.setup_aneg = bcm54xx_setup_aneg,
.setup_forced = bcm54xx_setup_forced,
.poll_link = genmii_poll_link,
@@ -795,7 +795,7 @@ static struct mii_phy_def bcm5421k2_phy_def = {
/* Broadcom BCM 5462 built-in Vesta */
static struct mii_phy_ops bcm5462V_phy_ops = {
.init = bcm5421_init,
- .suspend = bcm5411_suspend,
+ .suspend = generic_suspend,
.setup_aneg = bcm54xx_setup_aneg,
.setup_forced = bcm54xx_setup_forced,
.poll_link = genmii_poll_link,
@@ -816,6 +816,7 @@ static struct mii_phy_def bcm5462V_phy_def = {
* would be useful here) --BenH.
*/
static struct mii_phy_ops marvell_phy_ops = {
+ .suspend = generic_suspend,
.setup_aneg = marvell_setup_aneg,
.setup_forced = marvell_setup_forced,
.poll_link = genmii_poll_link,
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index bad09ebdb50..e0874cbfefe 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -6,7 +6,7 @@ menu "Wireless LAN (non-hamradio)"
depends on NETDEVICES
config NET_RADIO
- bool "Wireless LAN drivers (non-hamradio)"
+ bool "Wireless LAN drivers (non-hamradio) & Wireless Extensions"
select WIRELESS_EXT
---help---
Support for wireless LANs and everything having to do with radio,
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index 108d9fed8f0..00764ddd74d 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -3139,6 +3139,7 @@ static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs)
}
if ( status & EV_LINK ) {
union iwreq_data wrqu;
+ int scan_forceloss = 0;
/* The link status has changed, if you want to put a
monitor hook in, do it here. (Remember that
interrupts are still disabled!)
@@ -3157,7 +3158,8 @@ static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs)
code) */
#define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
code) */
-#define ASSOCIATED 0x0400 /* Assocatied */
+#define ASSOCIATED 0x0400 /* Associated */
+#define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */
#define RC_RESERVED 0 /* Reserved return code */
#define RC_NOREASON 1 /* Unspecified reason */
#define RC_AUTHINV 2 /* Previous authentication invalid */
@@ -3174,44 +3176,30 @@ static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs)
leaving BSS */
#define RC_NOAUTH 9 /* Station requesting (Re)Association is not
Authenticated with the responding station */
- if (newStatus != ASSOCIATED) {
- if (auto_wep && !apriv->expires) {
- apriv->expires = RUN_AT(3*HZ);
- wake_up_interruptible(&apriv->thr_wait);
- }
- } else {
- struct task_struct *task = apriv->task;
+ if (newStatus == FORCELOSS && apriv->scan_timeout > 0)
+ scan_forceloss = 1;
+ if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) {
if (auto_wep)
apriv->expires = 0;
- if (task)
- wake_up_process (task);
+ if (apriv->task)
+ wake_up_process (apriv->task);
set_bit(FLAG_UPDATE_UNI, &apriv->flags);
set_bit(FLAG_UPDATE_MULTI, &apriv->flags);
- }
- /* Question : is ASSOCIATED the only status
- * that is valid ? We want to catch handover
- * and reassociations as valid status
- * Jean II */
- if(newStatus == ASSOCIATED) {
-#if 0
- /* FIXME: Grabbing scan results here
- * seems to be too early??? Just wait for
- * timeout instead. */
- if (apriv->scan_timeout > 0) {
- set_bit(JOB_SCAN_RESULTS, &apriv->flags);
- wake_up_interruptible(&apriv->thr_wait);
- }
-#endif
+
if (down_trylock(&apriv->sem) != 0) {
set_bit(JOB_EVENT, &apriv->flags);
wake_up_interruptible(&apriv->thr_wait);
} else
airo_send_event(dev);
- } else {
- memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+ } else if (!scan_forceloss) {
+ if (auto_wep && !apriv->expires) {
+ apriv->expires = RUN_AT(3*HZ);
+ wake_up_interruptible(&apriv->thr_wait);
+ }
/* Send event to user space */
+ memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
+ wrqu.ap_addr.sa_family = ARPHRD_ETHER;
wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL);
}
}
@@ -7136,10 +7124,10 @@ static int airo_set_scan(struct net_device *dev,
goto out;
/* Initiate a scan command */
+ ai->scan_timeout = RUN_AT(3*HZ);
memset(&cmd, 0, sizeof(cmd));
cmd.cmd=CMD_LISTBSS;
issuecommand(ai, &cmd, &rsp);
- ai->scan_timeout = RUN_AT(3*HZ);
wake = 1;
out:
diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c
index 87afa6878f2..8606c88886f 100644
--- a/drivers/net/wireless/atmel.c
+++ b/drivers/net/wireless/atmel.c
@@ -3463,6 +3463,7 @@ static void atmel_command_irq(struct atmel_private *priv)
u8 status = atmel_rmem8(priv, atmel_co(priv, CMD_BLOCK_STATUS_OFFSET));
u8 command = atmel_rmem8(priv, atmel_co(priv, CMD_BLOCK_COMMAND_OFFSET));
int fast_scan;
+ union iwreq_data wrqu;
if (status == CMD_STATUS_IDLE ||
status == CMD_STATUS_IN_PROGRESS)
@@ -3487,6 +3488,7 @@ static void atmel_command_irq(struct atmel_private *priv)
atmel_scan(priv, 1);
} else {
int bss_index = retrieve_bss(priv);
+ int notify_scan_complete = 1;
if (bss_index != -1) {
atmel_join_bss(priv, bss_index);
} else if (priv->operating_mode == IW_MODE_ADHOC &&
@@ -3495,8 +3497,14 @@ static void atmel_command_irq(struct atmel_private *priv)
} else {
priv->fast_scan = !fast_scan;
atmel_scan(priv, 1);
+ notify_scan_complete = 0;
}
priv->site_survey_state = SITE_SURVEY_COMPLETED;
+ if (notify_scan_complete) {
+ wrqu.data.length = 0;
+ wrqu.data.flags = 0;
+ wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);
+ }
}
break;
@@ -3509,6 +3517,9 @@ static void atmel_command_irq(struct atmel_private *priv)
priv->site_survey_state = SITE_SURVEY_COMPLETED;
if (priv->station_is_associated) {
atmel_enter_state(priv, STATION_STATE_READY);
+ wrqu.data.length = 0;
+ wrqu.data.flags = 0;
+ wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);
} else {
atmel_scan(priv, 1);
}
diff --git a/drivers/net/wireless/bcm43xx/Kconfig b/drivers/net/wireless/bcm43xx/Kconfig
index 418465600a7..25ea4748f0b 100644
--- a/drivers/net/wireless/bcm43xx/Kconfig
+++ b/drivers/net/wireless/bcm43xx/Kconfig
@@ -17,8 +17,11 @@ config BCM43XX_DEBUG
config BCM43XX_DMA
bool
+ depends on BCM43XX
+
config BCM43XX_PIO
bool
+ depends on BCM43XX
choice
prompt "BCM43xx data transfer mode"
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx.h b/drivers/net/wireless/bcm43xx/bcm43xx.h
index dcadd295de4..2e83083935e 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx.h
+++ b/drivers/net/wireless/bcm43xx/bcm43xx.h
@@ -15,7 +15,6 @@
#include "bcm43xx_debugfs.h"
#include "bcm43xx_leds.h"
-#include "bcm43xx_sysfs.h"
#define PFX KBUILD_MODNAME ": "
@@ -638,8 +637,6 @@ struct bcm43xx_key {
};
struct bcm43xx_private {
- struct bcm43xx_sysfs sysfs;
-
struct ieee80211_device *ieee;
struct ieee80211softmac_device *softmac;
@@ -772,6 +769,20 @@ struct bcm43xx_private * bcm43xx_priv(struct net_device *dev)
return ieee80211softmac_priv(dev);
}
+struct device;
+
+static inline
+struct bcm43xx_private * dev_to_bcm(struct device *dev)
+{
+ struct net_device *net_dev;
+ struct bcm43xx_private *bcm;
+
+ net_dev = dev_get_drvdata(dev);
+ bcm = bcm43xx_priv(net_dev);
+
+ return bcm;
+}
+
/* Helper function, which returns a boolean.
* TRUE, if PIO is used; FALSE, if DMA is used.
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c b/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c
index d2c3401e9b7..35a4fcb6d92 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c
@@ -452,12 +452,12 @@ void bcm43xx_printk_dump(const char *data,
size_t i;
char c;
- printk(KERN_INFO PFX "Data dump (%s, %u bytes):",
+ printk(KERN_INFO PFX "Data dump (%s, %zd bytes):",
description, size);
for (i = 0; i < size; i++) {
c = data[i];
if (i % 8 == 0)
- printk("\n" KERN_INFO PFX "0x%08x: 0x%02x, ", i, c & 0xff);
+ printk("\n" KERN_INFO PFX "0x%08zx: 0x%02x, ", i, c & 0xff);
else
printk("0x%02x, ", c & 0xff);
}
@@ -472,12 +472,12 @@ void bcm43xx_printk_bitdump(const unsigned char *data,
int j;
const unsigned char *d;
- printk(KERN_INFO PFX "*** Bitdump (%s, %u bytes, %s) ***",
+ printk(KERN_INFO PFX "*** Bitdump (%s, %zd bytes, %s) ***",
description, bytes, msb_to_lsb ? "MSB to LSB" : "LSB to MSB");
for (i = 0; i < bytes; i++) {
d = data + i;
if (i % 8 == 0)
- printk("\n" KERN_INFO PFX "0x%08x: ", i);
+ printk("\n" KERN_INFO PFX "0x%08zx: ", i);
if (msb_to_lsb) {
for (j = 7; j >= 0; j--) {
if (*d & (1 << j))
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_dma.c b/drivers/net/wireless/bcm43xx/bcm43xx_dma.c
index c3681b8f09b..bbecba02e69 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_dma.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_dma.c
@@ -196,8 +196,9 @@ static int alloc_ringmemory(struct bcm43xx_dmaring *ring)
}
if (ring->dmabase + BCM43xx_DMA_RINGMEMSIZE > BCM43xx_DMA_BUSADDRMAX) {
printk(KERN_ERR PFX ">>>FATAL ERROR<<< DMA RINGMEMORY >1G "
- "(0x%08x, len: %lu)\n",
- ring->dmabase, BCM43xx_DMA_RINGMEMSIZE);
+ "(0x%llx, len: %lu)\n",
+ (unsigned long long)ring->dmabase,
+ BCM43xx_DMA_RINGMEMSIZE);
dma_free_coherent(dev, BCM43xx_DMA_RINGMEMSIZE,
ring->vbase, ring->dmabase);
return -ENOMEM;
@@ -307,8 +308,8 @@ static int setup_rx_descbuffer(struct bcm43xx_dmaring *ring,
unmap_descbuffer(ring, dmaaddr, ring->rx_buffersize, 0);
dev_kfree_skb_any(skb);
printk(KERN_ERR PFX ">>>FATAL ERROR<<< DMA RX SKB >1G "
- "(0x%08x, len: %u)\n",
- dmaaddr, ring->rx_buffersize);
+ "(0x%llx, len: %u)\n",
+ (unsigned long long)dmaaddr, ring->rx_buffersize);
return -ENOMEM;
}
meta->skb = skb;
@@ -729,8 +730,8 @@ static int dma_tx_fragment(struct bcm43xx_dmaring *ring,
if (unlikely(meta->dmaaddr + skb->len > BCM43xx_DMA_BUSADDRMAX)) {
return_slot(ring, slot);
printk(KERN_ERR PFX ">>>FATAL ERROR<<< DMA TX SKB >1G "
- "(0x%08x, len: %u)\n",
- meta->dmaaddr, skb->len);
+ "(0x%llx, len: %u)\n",
+ (unsigned long long)meta->dmaaddr, skb->len);
return -ENOMEM;
}
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_dma.h b/drivers/net/wireless/bcm43xx/bcm43xx_dma.h
index 2d520e4b027..b7d77638ba8 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_dma.h
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_dma.h
@@ -213,6 +213,14 @@ static inline
void bcm43xx_dma_rx(struct bcm43xx_dmaring *ring)
{
}
+static inline
+void bcm43xx_dma_tx_suspend(struct bcm43xx_dmaring *ring)
+{
+}
+static inline
+void bcm43xx_dma_tx_resume(struct bcm43xx_dmaring *ring)
+{
+}
#endif /* CONFIG_BCM43XX_DMA */
#endif /* BCM43xx_DMA_H_ */
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
index c37371fc9e0..9a06e61df0a 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
@@ -52,6 +52,7 @@
#include "bcm43xx_wx.h"
#include "bcm43xx_ethtool.h"
#include "bcm43xx_xmit.h"
+#include "bcm43xx_sysfs.h"
MODULE_DESCRIPTION("Broadcom BCM43xx wireless driver");
@@ -3522,6 +3523,7 @@ static inline int bcm43xx_tx(struct bcm43xx_private *bcm,
err = bcm43xx_pio_tx(bcm, txb);
else
err = bcm43xx_dma_tx(bcm, txb);
+ bcm->net_dev->trans_start = jiffies;
return err;
}
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_phy.c b/drivers/net/wireless/bcm43xx/bcm43xx_phy.c
index 0a66f43ca0c..33137165727 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_phy.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_phy.c
@@ -2151,6 +2151,7 @@ int bcm43xx_phy_init_tssi2dbm_table(struct bcm43xx_private *bcm)
phy->tssi2dbm = NULL;
printk(KERN_ERR PFX "Could not generate "
"tssi2dBm table\n");
+ kfree(dyn_tssi2dbm);
return -ENODEV;
}
phy->tssi2dbm = dyn_tssi2dbm;
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_pio.c b/drivers/net/wireless/bcm43xx/bcm43xx_pio.c
index c59ddd40680..0aa1bd269a2 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_pio.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_pio.c
@@ -27,6 +27,7 @@
#include "bcm43xx_pio.h"
#include "bcm43xx_main.h"
#include "bcm43xx_xmit.h"
+#include "bcm43xx_power.h"
#include <linux/delay.h>
@@ -44,10 +45,10 @@ static void tx_octet(struct bcm43xx_pioqueue *queue,
bcm43xx_pio_write(queue, BCM43xx_PIO_TXDATA,
octet);
bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL,
- BCM43xx_PIO_TXCTL_WRITEHI);
+ BCM43xx_PIO_TXCTL_WRITELO);
} else {
bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL,
- BCM43xx_PIO_TXCTL_WRITEHI);
+ BCM43xx_PIO_TXCTL_WRITELO);
bcm43xx_pio_write(queue, BCM43xx_PIO_TXDATA,
octet);
}
@@ -103,7 +104,7 @@ static void tx_complete(struct bcm43xx_pioqueue *queue,
bcm43xx_pio_write(queue, BCM43xx_PIO_TXDATA,
skb->data[skb->len - 1]);
bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL,
- BCM43xx_PIO_TXCTL_WRITEHI |
+ BCM43xx_PIO_TXCTL_WRITELO |
BCM43xx_PIO_TXCTL_COMPLETE);
} else {
bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL,
@@ -112,9 +113,10 @@ static void tx_complete(struct bcm43xx_pioqueue *queue,
}
static u16 generate_cookie(struct bcm43xx_pioqueue *queue,
- int packetindex)
+ struct bcm43xx_pio_txpacket *packet)
{
u16 cookie = 0x0000;
+ int packetindex;
/* We use the upper 4 bits for the PIO
* controller ID and the lower 12 bits
@@ -135,6 +137,7 @@ static u16 generate_cookie(struct bcm43xx_pioqueue *queue,
default:
assert(0);
}
+ packetindex = pio_txpacket_getindex(packet);
assert(((u16)packetindex & 0xF000) == 0x0000);
cookie |= (u16)packetindex;
@@ -184,7 +187,7 @@ static void pio_tx_write_fragment(struct bcm43xx_pioqueue *queue,
bcm43xx_generate_txhdr(queue->bcm,
&txhdr, skb->data, skb->len,
(packet->xmitted_frags == 0),
- generate_cookie(queue, pio_txpacket_getindex(packet)));
+ generate_cookie(queue, packet));
tx_start(queue);
octets = skb->len + sizeof(txhdr);
@@ -241,7 +244,7 @@ static int pio_tx_packet(struct bcm43xx_pio_txpacket *packet)
queue->tx_devq_packets++;
queue->tx_devq_used += octets;
- assert(packet->xmitted_frags <= packet->txb->nr_frags);
+ assert(packet->xmitted_frags < packet->txb->nr_frags);
packet->xmitted_frags++;
packet->xmitted_octets += octets;
}
@@ -257,8 +260,14 @@ static void tx_tasklet(unsigned long d)
unsigned long flags;
struct bcm43xx_pio_txpacket *packet, *tmp_packet;
int err;
+ u16 txctl;
bcm43xx_lock_mmio(bcm, flags);
+
+ txctl = bcm43xx_pio_read(queue, BCM43xx_PIO_TXCTL);
+ if (txctl & BCM43xx_PIO_TXCTL_SUSPEND)
+ goto out_unlock;
+
list_for_each_entry_safe(packet, tmp_packet, &queue->txqueue, list) {
assert(packet->xmitted_frags < packet->txb->nr_frags);
if (packet->xmitted_frags == 0) {
@@ -288,6 +297,7 @@ static void tx_tasklet(unsigned long d)
next_packet:
continue;
}
+out_unlock:
bcm43xx_unlock_mmio(bcm, flags);
}
@@ -330,12 +340,19 @@ struct bcm43xx_pioqueue * bcm43xx_setup_pioqueue(struct bcm43xx_private *bcm,
(unsigned long)queue);
value = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
- value |= BCM43xx_SBF_XFER_REG_BYTESWAP;
+ value &= ~BCM43xx_SBF_XFER_REG_BYTESWAP;
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value);
qsize = bcm43xx_read16(bcm, queue->mmio_base + BCM43xx_PIO_TXQBUFSIZE);
+ if (qsize == 0) {
+ printk(KERN_ERR PFX "ERROR: This card does not support PIO "
+ "operation mode. Please use DMA mode "
+ "(module parameter pio=0).\n");
+ goto err_freequeue;
+ }
if (qsize <= BCM43xx_PIO_TXQADJUST) {
- printk(KERN_ERR PFX "PIO tx device-queue too small (%u)\n", qsize);
+ printk(KERN_ERR PFX "PIO tx device-queue too small (%u)\n",
+ qsize);
goto err_freequeue;
}
qsize -= BCM43xx_PIO_TXQADJUST;
@@ -444,15 +461,10 @@ int bcm43xx_pio_tx(struct bcm43xx_private *bcm,
{
struct bcm43xx_pioqueue *queue = bcm43xx_current_pio(bcm)->queue1;
struct bcm43xx_pio_txpacket *packet;
- u16 tmp;
assert(!queue->tx_suspended);
assert(!list_empty(&queue->txfree));
- tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_TXCTL);
- if (tmp & BCM43xx_PIO_TXCTL_SUSPEND)
- return -EBUSY;
-
packet = list_entry(queue->txfree.next, struct bcm43xx_pio_txpacket, list);
packet->txb = txb;
packet->xmitted_frags = 0;
@@ -462,7 +474,7 @@ int bcm43xx_pio_tx(struct bcm43xx_private *bcm,
assert(queue->nr_txfree < BCM43xx_PIO_MAXTXPACKETS);
/* Suspend TX, if we are out of packets in the "free" queue. */
- if (unlikely(list_empty(&queue->txfree))) {
+ if (list_empty(&queue->txfree)) {
netif_stop_queue(queue->bcm->net_dev);
queue->tx_suspended = 1;
}
@@ -480,15 +492,15 @@ void bcm43xx_pio_handle_xmitstatus(struct bcm43xx_private *bcm,
queue = parse_cookie(bcm, status->cookie, &packet);
assert(queue);
-//TODO
-if (!queue)
-return;
+
free_txpacket(packet, 1);
- if (unlikely(queue->tx_suspended)) {
+ if (queue->tx_suspended) {
queue->tx_suspended = 0;
netif_wake_queue(queue->bcm->net_dev);
}
- /* If there are packets on the txqueue, poke the tasklet. */
+ /* If there are packets on the txqueue, poke the tasklet
+ * to transmit them.
+ */
if (!list_empty(&queue->txqueue))
tasklet_schedule(&queue->txtask);
}
@@ -519,12 +531,9 @@ void bcm43xx_pio_rx(struct bcm43xx_pioqueue *queue)
int i, preamble_readwords;
struct sk_buff *skb;
-return;
tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXCTL);
- if (!(tmp & BCM43xx_PIO_RXCTL_DATAAVAILABLE)) {
- dprintkl(KERN_ERR PFX "PIO RX: No data available\n");//TODO: remove this printk.
+ if (!(tmp & BCM43xx_PIO_RXCTL_DATAAVAILABLE))
return;
- }
bcm43xx_pio_write(queue, BCM43xx_PIO_RXCTL,
BCM43xx_PIO_RXCTL_DATAAVAILABLE);
@@ -538,8 +547,7 @@ return;
return;
data_ready:
-//FIXME: endianess in this function.
- len = le16_to_cpu(bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA));
+ len = bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA);
if (unlikely(len > 0x700)) {
pio_rx_error(queue, 0, "len > 0x700");
return;
@@ -555,7 +563,7 @@ data_ready:
preamble_readwords = 18 / sizeof(u16);
for (i = 0; i < preamble_readwords; i++) {
tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA);
- preamble[i + 1] = cpu_to_be16(tmp);//FIXME?
+ preamble[i + 1] = cpu_to_le16(tmp);
}
rxhdr = (struct bcm43xx_rxhdr *)preamble;
rxflags2 = le16_to_cpu(rxhdr->flags2);
@@ -591,16 +599,40 @@ data_ready:
}
skb_put(skb, len);
for (i = 0; i < len - 1; i += 2) {
- tmp = cpu_to_be16(bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA));
- *((u16 *)(skb->data + i)) = tmp;
+ tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA);
+ *((u16 *)(skb->data + i)) = cpu_to_le16(tmp);
}
if (len % 2) {
tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA);
skb->data[len - 1] = (tmp & 0x00FF);
+/* The specs say the following is required, but
+ * it is wrong and corrupts the PLCP. If we don't do
+ * this, the PLCP seems to be correct. So ifdef it out for now.
+ */
+#if 0
if (rxflags2 & BCM43xx_RXHDR_FLAGS2_TYPE2FRAME)
- skb->data[0x20] = (tmp & 0xFF00) >> 8;
+ skb->data[2] = (tmp & 0xFF00) >> 8;
else
- skb->data[0x1E] = (tmp & 0xFF00) >> 8;
+ skb->data[0] = (tmp & 0xFF00) >> 8;
+#endif
}
+ skb_trim(skb, len - IEEE80211_FCS_LEN);
bcm43xx_rx(queue->bcm, skb, rxhdr);
}
+
+void bcm43xx_pio_tx_suspend(struct bcm43xx_pioqueue *queue)
+{
+ bcm43xx_power_saving_ctl_bits(queue->bcm, -1, 1);
+ bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL,
+ bcm43xx_pio_read(queue, BCM43xx_PIO_TXCTL)
+ | BCM43xx_PIO_TXCTL_SUSPEND);
+}
+
+void bcm43xx_pio_tx_resume(struct bcm43xx_pioqueue *queue)
+{
+ bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL,
+ bcm43xx_pio_read(queue, BCM43xx_PIO_TXCTL)
+ & ~BCM43xx_PIO_TXCTL_SUSPEND);
+ bcm43xx_power_saving_ctl_bits(queue->bcm, -1, -1);
+ tasklet_schedule(&queue->txtask);
+}
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_pio.h b/drivers/net/wireless/bcm43xx/bcm43xx_pio.h
index 970627bc176..dfc78209e3a 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_pio.h
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_pio.h
@@ -14,8 +14,8 @@
#define BCM43xx_PIO_RXCTL 0x08
#define BCM43xx_PIO_RXDATA 0x0A
-#define BCM43xx_PIO_TXCTL_WRITEHI (1 << 0)
-#define BCM43xx_PIO_TXCTL_WRITELO (1 << 1)
+#define BCM43xx_PIO_TXCTL_WRITELO (1 << 0)
+#define BCM43xx_PIO_TXCTL_WRITEHI (1 << 1)
#define BCM43xx_PIO_TXCTL_COMPLETE (1 << 2)
#define BCM43xx_PIO_TXCTL_INIT (1 << 3)
#define BCM43xx_PIO_TXCTL_SUSPEND (1 << 7)
@@ -95,6 +95,7 @@ void bcm43xx_pio_write(struct bcm43xx_pioqueue *queue,
u16 offset, u16 value)
{
bcm43xx_write16(queue->bcm, queue->mmio_base + offset, value);
+ mmiowb();
}
@@ -107,6 +108,9 @@ void bcm43xx_pio_handle_xmitstatus(struct bcm43xx_private *bcm,
struct bcm43xx_xmitstatus *status);
void bcm43xx_pio_rx(struct bcm43xx_pioqueue *queue);
+void bcm43xx_pio_tx_suspend(struct bcm43xx_pioqueue *queue);
+void bcm43xx_pio_tx_resume(struct bcm43xx_pioqueue *queue);
+
#else /* CONFIG_BCM43XX_PIO */
static inline
@@ -133,6 +137,14 @@ static inline
void bcm43xx_pio_rx(struct bcm43xx_pioqueue *queue)
{
}
+static inline
+void bcm43xx_pio_tx_suspend(struct bcm43xx_pioqueue *queue)
+{
+}
+static inline
+void bcm43xx_pio_tx_resume(struct bcm43xx_pioqueue *queue)
+{
+}
#endif /* CONFIG_BCM43XX_PIO */
#endif /* BCM43xx_PIO_H_ */
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_power.c b/drivers/net/wireless/bcm43xx/bcm43xx_power.c
index 3c92b62807c..6569da3a7a3 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_power.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_power.c
@@ -35,77 +35,101 @@
#include "bcm43xx_main.h"
+/* Get the Slow Clock Source */
+static int bcm43xx_pctl_get_slowclksrc(struct bcm43xx_private *bcm)
+{
+ u32 tmp;
+ int err;
+
+ assert(bcm->current_core == &bcm->core_chipcommon);
+ if (bcm->current_core->rev < 6) {
+ if (bcm->bustype == BCM43xx_BUSTYPE_PCMCIA ||
+ bcm->bustype == BCM43xx_BUSTYPE_SB)
+ return BCM43xx_PCTL_CLKSRC_XTALOS;
+ if (bcm->bustype == BCM43xx_BUSTYPE_PCI) {
+ err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCTL_OUT, &tmp);
+ assert(!err);
+ if (tmp & 0x10)
+ return BCM43xx_PCTL_CLKSRC_PCI;
+ return BCM43xx_PCTL_CLKSRC_XTALOS;
+ }
+ }
+ if (bcm->current_core->rev < 10) {
+ tmp = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_SLOWCLKCTL);
+ tmp &= 0x7;
+ if (tmp == 0)
+ return BCM43xx_PCTL_CLKSRC_LOPWROS;
+ if (tmp == 1)
+ return BCM43xx_PCTL_CLKSRC_XTALOS;
+ if (tmp == 2)
+ return BCM43xx_PCTL_CLKSRC_PCI;
+ }
+
+ return BCM43xx_PCTL_CLKSRC_XTALOS;
+}
+
/* Get max/min slowclock frequency
* as described in http://bcm-specs.sipsolutions.net/PowerControl
*/
static int bcm43xx_pctl_clockfreqlimit(struct bcm43xx_private *bcm,
int get_max)
{
- int limit = 0;
+ int limit;
+ int clocksrc;
int divisor;
- int selection;
- int err;
u32 tmp;
- struct bcm43xx_coreinfo *old_core;
- if (!(bcm->chipcommon_capabilities & BCM43xx_CAPABILITIES_PCTL))
- goto out;
- old_core = bcm->current_core;
- err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon);
- if (err)
- goto out;
+ assert(bcm->chipcommon_capabilities & BCM43xx_CAPABILITIES_PCTL);
+ assert(bcm->current_core == &bcm->core_chipcommon);
+ clocksrc = bcm43xx_pctl_get_slowclksrc(bcm);
if (bcm->current_core->rev < 6) {
- if ((bcm->bustype == BCM43xx_BUSTYPE_PCMCIA) ||
- (bcm->bustype == BCM43xx_BUSTYPE_SB)) {
- selection = 1;
+ switch (clocksrc) {
+ case BCM43xx_PCTL_CLKSRC_PCI:
+ divisor = 64;
+ break;
+ case BCM43xx_PCTL_CLKSRC_XTALOS:
divisor = 32;
- } else {
- err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCTL_OUT, &tmp);
- if (err) {
- printk(KERN_ERR PFX "clockfreqlimit pcicfg read failure\n");
- goto out_switchback;
- }
- if (tmp & 0x10) {
- /* PCI */
- selection = 2;
- divisor = 64;
- } else {
- /* XTAL */
- selection = 1;
- divisor = 32;
- }
+ break;
+ default:
+ assert(0);
+ divisor = 1;
}
} else if (bcm->current_core->rev < 10) {
- selection = (tmp & 0x07);
- if (selection) {
+ switch (clocksrc) {
+ case BCM43xx_PCTL_CLKSRC_LOPWROS:
+ divisor = 1;
+ break;
+ case BCM43xx_PCTL_CLKSRC_XTALOS:
+ case BCM43xx_PCTL_CLKSRC_PCI:
tmp = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_SLOWCLKCTL);
- divisor = 4 * (1 + ((tmp & 0xFFFF0000) >> 16));
- } else
+ divisor = ((tmp & 0xFFFF0000) >> 16) + 1;
+ divisor *= 4;
+ break;
+ default:
+ assert(0);
divisor = 1;
+ }
} else {
tmp = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_SYSCLKCTL);
- divisor = 4 * (1 + ((tmp & 0xFFFF0000) >> 16));
- selection = 1;
+ divisor = ((tmp & 0xFFFF0000) >> 16) + 1;
+ divisor *= 4;
}
-
- switch (selection) {
- case 0:
- /* LPO */
+
+ switch (clocksrc) {
+ case BCM43xx_PCTL_CLKSRC_LOPWROS:
if (get_max)
limit = 43000;
else
limit = 25000;
break;
- case 1:
- /* XTAL */
+ case BCM43xx_PCTL_CLKSRC_XTALOS:
if (get_max)
limit = 20200000;
else
limit = 19800000;
break;
- case 2:
- /* PCI */
+ case BCM43xx_PCTL_CLKSRC_PCI:
if (get_max)
limit = 34000000;
else
@@ -113,17 +137,14 @@ static int bcm43xx_pctl_clockfreqlimit(struct bcm43xx_private *bcm,
break;
default:
assert(0);
+ limit = 0;
}
limit /= divisor;
-out_switchback:
- err = bcm43xx_switch_core(bcm, old_core);
- assert(err == 0);
-
-out:
return limit;
}
+
/* init power control
* as described in http://bcm-specs.sipsolutions.net/PowerControl
*/
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_power.h b/drivers/net/wireless/bcm43xx/bcm43xx_power.h
index 5f63640810b..c966ab3a5a8 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_power.h
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_power.h
@@ -33,6 +33,15 @@
#include <linux/types.h>
+/* Clock sources */
+enum {
+ /* PCI clock */
+ BCM43xx_PCTL_CLKSRC_PCI,
+ /* Crystal slow clock oscillator */
+ BCM43xx_PCTL_CLKSRC_XTALOS,
+ /* Low power oscillator */
+ BCM43xx_PCTL_CLKSRC_LOPWROS,
+};
struct bcm43xx_private;
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c
index c44d890b949..b438f48e891 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c
@@ -71,14 +71,46 @@ static int get_boolean(const char *buf, size_t count)
return -EINVAL;
}
+static int sprom2hex(const u16 *sprom, char *buf, size_t buf_len)
+{
+ int i, pos = 0;
+
+ for (i = 0; i < BCM43xx_SPROM_SIZE; i++) {
+ pos += snprintf(buf + pos, buf_len - pos - 1,
+ "%04X", swab16(sprom[i]) & 0xFFFF);
+ }
+ pos += snprintf(buf + pos, buf_len - pos - 1, "\n");
+
+ return pos + 1;
+}
+
+static int hex2sprom(u16 *sprom, const char *dump, size_t len)
+{
+ char tmp[5] = { 0 };
+ int cnt = 0;
+ unsigned long parsed;
+
+ if (len < BCM43xx_SPROM_SIZE * sizeof(u16) * 2)
+ return -EINVAL;
+
+ while (cnt < BCM43xx_SPROM_SIZE) {
+ memcpy(tmp, dump, 4);
+ dump += 4;
+ parsed = simple_strtoul(tmp, NULL, 16);
+ sprom[cnt++] = swab16((u16)parsed);
+ }
+
+ return 0;
+}
+
static ssize_t bcm43xx_attr_sprom_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct bcm43xx_private *bcm = devattr_to_bcm(attr, attr_sprom);
+ struct bcm43xx_private *bcm = dev_to_bcm(dev);
u16 *sprom;
unsigned long flags;
- int i, err;
+ int err;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
@@ -91,55 +123,53 @@ static ssize_t bcm43xx_attr_sprom_show(struct device *dev,
bcm43xx_lock_mmio(bcm, flags);
assert(bcm->initialized);
err = bcm43xx_sprom_read(bcm, sprom);
- if (!err) {
- for (i = 0; i < BCM43xx_SPROM_SIZE; i++) {
- buf[i * 2] = sprom[i] & 0x00FF;
- buf[i * 2 + 1] = (sprom[i] & 0xFF00) >> 8;
- }
- }
+ if (!err)
+ err = sprom2hex(sprom, buf, PAGE_SIZE);
bcm43xx_unlock_mmio(bcm, flags);
kfree(sprom);
- return err ? err : BCM43xx_SPROM_SIZE * sizeof(u16);
+ return err;
}
static ssize_t bcm43xx_attr_sprom_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct bcm43xx_private *bcm = devattr_to_bcm(attr, attr_sprom);
+ struct bcm43xx_private *bcm = dev_to_bcm(dev);
u16 *sprom;
unsigned long flags;
- int i, err;
+ int err;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
- if (count != BCM43xx_SPROM_SIZE * sizeof(u16))
- return -EINVAL;
sprom = kmalloc(BCM43xx_SPROM_SIZE * sizeof(*sprom),
GFP_KERNEL);
if (!sprom)
return -ENOMEM;
- for (i = 0; i < BCM43xx_SPROM_SIZE; i++) {
- sprom[i] = buf[i * 2] & 0xFF;
- sprom[i] |= ((u16)(buf[i * 2 + 1] & 0xFF)) << 8;
- }
+ err = hex2sprom(sprom, buf, count);
+ if (err)
+ goto out_kfree;
bcm43xx_lock_mmio(bcm, flags);
assert(bcm->initialized);
err = bcm43xx_sprom_write(bcm, sprom);
bcm43xx_unlock_mmio(bcm, flags);
+out_kfree:
kfree(sprom);
return err ? err : count;
}
+static DEVICE_ATTR(sprom, 0600,
+ bcm43xx_attr_sprom_show,
+ bcm43xx_attr_sprom_store);
+
static ssize_t bcm43xx_attr_interfmode_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct bcm43xx_private *bcm = devattr_to_bcm(attr, attr_interfmode);
+ struct bcm43xx_private *bcm = dev_to_bcm(dev);
unsigned long flags;
int err;
ssize_t count = 0;
@@ -175,7 +205,7 @@ static ssize_t bcm43xx_attr_interfmode_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct bcm43xx_private *bcm = devattr_to_bcm(attr, attr_interfmode);
+ struct bcm43xx_private *bcm = dev_to_bcm(dev);
unsigned long flags;
int err;
int mode;
@@ -215,11 +245,15 @@ static ssize_t bcm43xx_attr_interfmode_store(struct device *dev,
return err ? err : count;
}
+static DEVICE_ATTR(interference, 0644,
+ bcm43xx_attr_interfmode_show,
+ bcm43xx_attr_interfmode_store);
+
static ssize_t bcm43xx_attr_preamble_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct bcm43xx_private *bcm = devattr_to_bcm(attr, attr_preamble);
+ struct bcm43xx_private *bcm = dev_to_bcm(dev);
unsigned long flags;
int err;
ssize_t count;
@@ -245,7 +279,7 @@ static ssize_t bcm43xx_attr_preamble_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct bcm43xx_private *bcm = devattr_to_bcm(attr, attr_preamble);
+ struct bcm43xx_private *bcm = dev_to_bcm(dev);
unsigned long flags;
int err;
int value;
@@ -267,56 +301,41 @@ static ssize_t bcm43xx_attr_preamble_store(struct device *dev,
return err ? err : count;
}
+static DEVICE_ATTR(shortpreamble, 0644,
+ bcm43xx_attr_preamble_show,
+ bcm43xx_attr_preamble_store);
+
int bcm43xx_sysfs_register(struct bcm43xx_private *bcm)
{
struct device *dev = &bcm->pci_dev->dev;
- struct bcm43xx_sysfs *sysfs = &bcm->sysfs;
int err;
assert(bcm->initialized);
- sysfs->attr_sprom.attr.name = "sprom";
- sysfs->attr_sprom.attr.owner = THIS_MODULE;
- sysfs->attr_sprom.attr.mode = 0600;
- sysfs->attr_sprom.show = bcm43xx_attr_sprom_show;
- sysfs->attr_sprom.store = bcm43xx_attr_sprom_store;
- err = device_create_file(dev, &sysfs->attr_sprom);
+ err = device_create_file(dev, &dev_attr_sprom);
if (err)
goto out;
-
- sysfs->attr_interfmode.attr.name = "interference";
- sysfs->attr_interfmode.attr.owner = THIS_MODULE;
- sysfs->attr_interfmode.attr.mode = 0600;
- sysfs->attr_interfmode.show = bcm43xx_attr_interfmode_show;
- sysfs->attr_interfmode.store = bcm43xx_attr_interfmode_store;
- err = device_create_file(dev, &sysfs->attr_interfmode);
+ err = device_create_file(dev, &dev_attr_interference);
if (err)
goto err_remove_sprom;
-
- sysfs->attr_preamble.attr.name = "shortpreamble";
- sysfs->attr_preamble.attr.owner = THIS_MODULE;
- sysfs->attr_preamble.attr.mode = 0600;
- sysfs->attr_preamble.show = bcm43xx_attr_preamble_show;
- sysfs->attr_preamble.store = bcm43xx_attr_preamble_store;
- err = device_create_file(dev, &sysfs->attr_preamble);
+ err = device_create_file(dev, &dev_attr_shortpreamble);
if (err)
goto err_remove_interfmode;
out:
return err;
err_remove_interfmode:
- device_remove_file(dev, &sysfs->attr_interfmode);
+ device_remove_file(dev, &dev_attr_interference);
err_remove_sprom:
- device_remove_file(dev, &sysfs->attr_sprom);
+ device_remove_file(dev, &dev_attr_sprom);
goto out;
}
void bcm43xx_sysfs_unregister(struct bcm43xx_private *bcm)
{
struct device *dev = &bcm->pci_dev->dev;
- struct bcm43xx_sysfs *sysfs = &bcm->sysfs;
- device_remove_file(dev, &sysfs->attr_preamble);
- device_remove_file(dev, &sysfs->attr_interfmode);
- device_remove_file(dev, &sysfs->attr_sprom);
+ device_remove_file(dev, &dev_attr_shortpreamble);
+ device_remove_file(dev, &dev_attr_interference);
+ device_remove_file(dev, &dev_attr_sprom);
}
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.h b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.h
index 57f14514e3e..cc701df71e2 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.h
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.h
@@ -1,22 +1,6 @@
#ifndef BCM43xx_SYSFS_H_
#define BCM43xx_SYSFS_H_
-#include <linux/device.h>
-
-
-struct bcm43xx_sysfs {
- struct device_attribute attr_sprom;
- struct device_attribute attr_interfmode;
- struct device_attribute attr_preamble;
-};
-
-#define devattr_to_bcm(attr, attr_name) ({ \
- struct bcm43xx_sysfs *__s; struct bcm43xx_private *__p; \
- __s = container_of((attr), struct bcm43xx_sysfs, attr_name); \
- __p = container_of(__s, struct bcm43xx_private, sysfs); \
- __p; \
- })
-
struct bcm43xx_private;
int bcm43xx_sysfs_register(struct bcm43xx_private *bcm);
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
index 3daee828ef4..3edbb481a0a 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
@@ -962,22 +962,22 @@ static const struct iw_priv_args bcm43xx_priv_wx_args[] = {
{
.cmd = PRIV_WX_SET_SHORTPREAMBLE,
.set_args = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
- .name = "set_shortpreambl",
+ .name = "set_shortpreamb",
},
{
.cmd = PRIV_WX_GET_SHORTPREAMBLE,
.get_args = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | MAX_WX_STRING,
- .name = "get_shortpreambl",
+ .name = "get_shortpreamb",
},
{
.cmd = PRIV_WX_SET_SWENCRYPTION,
.set_args = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
- .name = "set_swencryption",
+ .name = "set_swencrypt",
},
{
.cmd = PRIV_WX_GET_SWENCRYPTION,
.get_args = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | MAX_WX_STRING,
- .name = "get_swencryption",
+ .name = "get_swencrypt",
},
{
.cmd = PRIV_WX_SPROM_WRITE,
diff --git a/drivers/net/wireless/hostap/hostap_ioctl.c b/drivers/net/wireless/hostap/hostap_ioctl.c
index 8b37e824dfc..8399de58189 100644
--- a/drivers/net/wireless/hostap/hostap_ioctl.c
+++ b/drivers/net/wireless/hostap/hostap_ioctl.c
@@ -1860,7 +1860,7 @@ static char * __prism2_translate_scan(local_info_t *local,
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWFREQ;
if (scan) {
- chan = scan->chid;
+ chan = le16_to_cpu(scan->chid);
} else if (bss) {
chan = bss->chan;
} else {
@@ -1868,7 +1868,7 @@ static char * __prism2_translate_scan(local_info_t *local,
}
if (chan > 0) {
- iwe.u.freq.m = freq_list[le16_to_cpu(chan - 1)] * 100000;
+ iwe.u.freq.m = freq_list[chan - 1] * 100000;
iwe.u.freq.e = 1;
current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
IW_EV_FREQ_LEN);
diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c
index 8dfdfbd5966..06523e2a847 100644
--- a/drivers/net/wireless/orinoco.c
+++ b/drivers/net/wireless/orinoco.c
@@ -390,7 +390,7 @@ static struct iw_statistics *orinoco_get_wireless_stats(struct net_device *dev)
}
} else {
struct {
- __le16 qual, signal, noise;
+ __le16 qual, signal, noise, unused;
} __attribute__ ((packed)) cq;
err = HERMES_READ_RECORD(hw, USER_BAP,
diff --git a/drivers/parisc/pdc_stable.c b/drivers/parisc/pdc_stable.c
index 4e53be9c03a..bbeabe3fc4c 100644
--- a/drivers/parisc/pdc_stable.c
+++ b/drivers/parisc/pdc_stable.c
@@ -535,7 +535,7 @@ pdcs_auto_read(struct subsystem *entry, char *buf, int knob)
{
char *out = buf;
struct pdcspath_entry *pathentry;
-
+
if (!entry || !buf)
return -EINVAL;
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index 42b32ff2fca..278f325021e 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -178,6 +178,11 @@ extern struct proc_dir_entry * proc_mckinley_root;
#define ROPE6_CTL 0x230
#define ROPE7_CTL 0x238
+#define IOC_ROPE0_CFG 0x500 /* pluto only */
+#define IOC_ROPE_AO 0x10 /* Allow "Relaxed Ordering" */
+
+
+
#define HF_ENABLE 0x40
@@ -1759,19 +1764,33 @@ printk("sba_hw_init(): mem_boot 0x%x 0x%x 0x%x 0x%x\n", PAGE0->mem_boot.hpa,
sba_dev->num_ioc = num_ioc;
for (i = 0; i < num_ioc; i++) {
- /*
- ** Make sure the box crashes if we get any errors on a rope.
- */
- WRITE_REG(HF_ENABLE, sba_dev->ioc[i].ioc_hpa + ROPE0_CTL);
- WRITE_REG(HF_ENABLE, sba_dev->ioc[i].ioc_hpa + ROPE1_CTL);
- WRITE_REG(HF_ENABLE, sba_dev->ioc[i].ioc_hpa + ROPE2_CTL);
- WRITE_REG(HF_ENABLE, sba_dev->ioc[i].ioc_hpa + ROPE3_CTL);
- WRITE_REG(HF_ENABLE, sba_dev->ioc[i].ioc_hpa + ROPE4_CTL);
- WRITE_REG(HF_ENABLE, sba_dev->ioc[i].ioc_hpa + ROPE5_CTL);
- WRITE_REG(HF_ENABLE, sba_dev->ioc[i].ioc_hpa + ROPE6_CTL);
- WRITE_REG(HF_ENABLE, sba_dev->ioc[i].ioc_hpa + ROPE7_CTL);
-
- /* flush out the writes */
+ unsigned long ioc_hpa = sba_dev->ioc[i].ioc_hpa;
+ unsigned int j;
+
+ for (j=0; j < sizeof(u64) * ROPES_PER_IOC; j+=sizeof(u64)) {
+
+ /*
+ * Clear ROPE(N)_CONFIG AO bit.
+ * Disables "NT Ordering" (~= !"Relaxed Ordering")
+ * Overrides bit 1 in DMA Hint Sets.
+ * Improves netperf UDP_STREAM by ~10% for bcm5701.
+ */
+ if (IS_PLUTO(sba_dev->iodc)) {
+ unsigned long rope_cfg, cfg_val;
+
+ rope_cfg = ioc_hpa + IOC_ROPE0_CFG + j;
+ cfg_val = READ_REG(rope_cfg);
+ cfg_val &= ~IOC_ROPE_AO;
+ WRITE_REG(cfg_val, rope_cfg);
+ }
+
+ /*
+ ** Make sure the box crashes on rope errors.
+ */
+ WRITE_REG(HF_ENABLE, ioc_hpa + ROPE0_CTL + j);
+ }
+
+ /* flush out the last writes */
READ_REG(sba_dev->ioc[i].ioc_hpa + ROPE7_CTL);
DBG_INIT(" ioc[%d] ROPE_CFG 0x%Lx ROPE_DBG 0x%Lx\n",
diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c
index 719b863bc20..828eb45062d 100644
--- a/drivers/parisc/superio.c
+++ b/drivers/parisc/superio.c
@@ -155,7 +155,7 @@ superio_init(struct pci_dev *pcidev)
struct pci_dev *pdev = sio->lio_pdev;
u16 word;
- if (sio->suckyio_irq_enabled)
+ if (sio->suckyio_irq_enabled)
return;
BUG_ON(!pdev);
@@ -194,7 +194,7 @@ superio_init(struct pci_dev *pcidev)
request_region (sio->acpi_base, 0x1f, "acpi");
/* Enable the legacy I/O function */
- pci_read_config_word (pdev, PCI_COMMAND, &word);
+ pci_read_config_word (pdev, PCI_COMMAND, &word);
word |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY | PCI_COMMAND_IO;
pci_write_config_word (pdev, PCI_COMMAND, word);
diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index d5890027f8a..48bbf32fd98 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -97,7 +97,7 @@ static struct superio_struct { /* For Super-IO chips autodetection */
int io;
int irq;
int dma;
-} superios[NR_SUPERIOS] __devinitdata = { {0,},};
+} superios[NR_SUPERIOS] = { {0,},};
static int user_specified;
#if defined(CONFIG_PARPORT_PC_SUPERIO) || \
@@ -1557,7 +1557,7 @@ static int __devinit get_superio_dma (struct parport *p)
return PARPORT_DMA_NONE;
}
-static int __devinit get_superio_irq (struct parport *p)
+static int get_superio_irq (struct parport *p)
{
int i=0;
while( (superios[i].io != p->base) && (i<NR_SUPERIOS))
@@ -1579,7 +1579,7 @@ static int __devinit get_superio_irq (struct parport *p)
* this shall always be the case!)
*
*/
-static int __devinit parport_SPP_supported(struct parport *pb)
+static int parport_SPP_supported(struct parport *pb)
{
unsigned char r, w;
@@ -1660,7 +1660,7 @@ static int __devinit parport_SPP_supported(struct parport *pb)
* two bits of ECR aren't writable, so we check by writing ECR and
* reading it back to see if it's what we expect.
*/
-static int __devinit parport_ECR_present(struct parport *pb)
+static int parport_ECR_present(struct parport *pb)
{
struct parport_pc_private *priv = pb->private_data;
unsigned char r = 0xc;
@@ -1712,7 +1712,7 @@ static int __devinit parport_ECR_present(struct parport *pb)
* be misdetected here is rather academic.
*/
-static int __devinit parport_PS2_supported(struct parport *pb)
+static int parport_PS2_supported(struct parport *pb)
{
int ok = 0;
@@ -1868,7 +1868,7 @@ static int __devinit parport_ECP_supported(struct parport *pb)
}
#endif
-static int __devinit parport_ECPPS2_supported(struct parport *pb)
+static int parport_ECPPS2_supported(struct parport *pb)
{
const struct parport_pc_private *priv = pb->private_data;
int result;
@@ -1886,7 +1886,7 @@ static int __devinit parport_ECPPS2_supported(struct parport *pb)
/* EPP mode detection */
-static int __devinit parport_EPP_supported(struct parport *pb)
+static int parport_EPP_supported(struct parport *pb)
{
const struct parport_pc_private *priv = pb->private_data;
@@ -1931,7 +1931,7 @@ static int __devinit parport_EPP_supported(struct parport *pb)
return 1;
}
-static int __devinit parport_ECPEPP_supported(struct parport *pb)
+static int parport_ECPEPP_supported(struct parport *pb)
{
struct parport_pc_private *priv = pb->private_data;
int result;
@@ -2073,7 +2073,7 @@ static int __devinit irq_probe_SPP(struct parport *pb)
* When ECP is available we can autoprobe for IRQs.
* NOTE: If we can autoprobe it, we can register the IRQ.
*/
-static int __devinit parport_irq_probe(struct parport *pb)
+static int parport_irq_probe(struct parport *pb)
{
struct parport_pc_private *priv = pb->private_data;
@@ -2779,7 +2779,7 @@ static struct parport_pc_pci {
/* If set, this is called after probing for ports. If 'failed'
* is non-zero we couldn't use any of the ports. */
void (*postinit_hook) (struct pci_dev *pdev, int failed);
-} cards[] __devinitdata = {
+} cards[] = {
/* siig_1p_10x */ { 1, { { 2, 3 }, } },
/* siig_2p_10x */ { 2, { { 2, 3 }, { 4, 5 }, } },
/* siig_1p_20x */ { 1, { { 0, 1 }, } },
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 827550d25c9..c42ae2cf8d6 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -865,6 +865,35 @@ static void __init quirk_eisa_bridge(struct pci_dev *dev)
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82375, quirk_eisa_bridge );
/*
+ * On the MSI-K8T-Neo2Fir Board, the internal Soundcard is disabled
+ * when a PCI-Soundcard is added. The BIOS only gives Options
+ * "Disabled" and "AUTO". This Quirk Sets the corresponding
+ * Register-Value to enable the Soundcard.
+ */
+static void __init k8t_sound_hostbridge(struct pci_dev *dev)
+{
+ unsigned char val;
+
+ printk(KERN_INFO "PCI: Quirk-MSI-K8T Soundcard On\n");
+ pci_read_config_byte(dev, 0x50, &val);
+ if (val == 0x88 || val == 0xc8) {
+ pci_write_config_byte(dev, 0x50, val & (~0x40));
+
+ /* Verify the Change for Status output */
+ pci_read_config_byte(dev, 0x50, &val);
+ if (val & 0x40)
+ printk(KERN_INFO "PCI: MSI-K8T soundcard still off\n");
+ else
+ printk(KERN_INFO "PCI: MSI-K8T soundcard on\n");
+ } else {
+ printk(KERN_INFO "PCI: Unexpected Value in PCI-Register: "
+ "no Change!\n");
+ }
+
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, k8t_sound_hostbridge);
+
+/*
* On ASUS P4B boards, the SMBus PCI Device within the ICH2/4 southbridge
* is not activated. The myth is that Asus said that they do not want the
* users to be irritated by just another PCI Device in the Win98 device
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
index cba6c9eef28..61cb4b29f55 100644
--- a/drivers/pcmcia/Kconfig
+++ b/drivers/pcmcia/Kconfig
@@ -250,7 +250,7 @@ config M32R_CFC_NUM
config PCMCIA_VRC4171
tristate "NEC VRC4171 Card Controllers support"
- depends on VRC4171 && PCMCIA
+ depends on CPU_VR41XX && ISA && PCMCIA
config PCMCIA_VRC4173
tristate "NEC VRC4173 CARDU support"
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index ae10d1eed65..48d3b3d30c2 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -236,11 +236,11 @@ static void pcmcia_check_driver(struct pcmcia_driver *p_drv)
/**
* pcmcia_load_firmware - load CIS from userspace if device-provided is broken
* @dev - the pcmcia device which needs a CIS override
- * @filename - requested filename in /lib/firmware/cis/
+ * @filename - requested filename in /lib/firmware/
*
* This uses the in-kernel firmware loading mechanism to use a "fake CIS" if
* the one provided by the card is broken. The firmware files reside in
- * /lib/firmware/cis/ in userspace.
+ * /lib/firmware/ in userspace.
*/
static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename)
{
@@ -298,9 +298,6 @@ static inline int pcmcia_load_firmware(struct pcmcia_device *dev, char * filenam
*
* Registers a PCMCIA driver with the PCMCIA bus core.
*/
-static int pcmcia_device_probe(struct device *dev);
-static int pcmcia_device_remove(struct device * dev);
-
int pcmcia_register_driver(struct pcmcia_driver *driver)
{
if (!driver)
@@ -400,7 +397,7 @@ static int pcmcia_device_probe(struct device * dev)
* call which will then check whether there are two
* pseudo devices, and if not, add the second one.
*/
- did = (struct pcmcia_device_id *) p_dev->dev.driver_data;
+ did = p_dev->dev.driver_data;
if (did && (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) &&
(p_dev->socket->device_count == 1) && (p_dev->device_no == 0))
pcmcia_add_pseudo_device(p_dev->socket);
@@ -448,7 +445,6 @@ static void pcmcia_card_remove(struct pcmcia_socket *s, struct pcmcia_device *le
return;
}
-
static int pcmcia_device_remove(struct device * dev)
{
struct pcmcia_device *p_dev;
@@ -463,7 +459,7 @@ static int pcmcia_device_remove(struct device * dev)
* pseudo multi-function card, we need to unbind
* all devices
*/
- did = (struct pcmcia_device_id *) p_dev->dev.driver_data;
+ did = p_dev->dev.driver_data;
if (did && (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) &&
(p_dev->socket->device_count != 0) &&
(p_dev->device_no == 0))
@@ -476,6 +472,8 @@ static int pcmcia_device_remove(struct device * dev)
if (p_drv->remove)
p_drv->remove(p_dev);
+ p_dev->dev_node = NULL;
+
/* check for proper unloading */
if (p_dev->_irq || p_dev->_io || p_dev->_locked)
printk(KERN_INFO "pcmcia: driver %s did not release config properly\n",
@@ -628,7 +626,7 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f
}
/* Add to the list in pcmcia_bus_socket */
- list_add_tail(&p_dev->socket_device_list, &s->devices_list);
+ list_add(&p_dev->socket_device_list, &s->devices_list);
spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index 45063b4e5b7..3131bb0a009 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -88,7 +88,6 @@ static int alloc_io_space(struct pcmcia_socket *s, u_int attr, ioaddr_t *base,
}
if ((s->features & SS_CAP_STATIC_MAP) && s->io_offset) {
*base = s->io_offset | (*base & 0x0fff);
- s->io[0].res->flags = (s->io[0].res->flags & ~IORESOURCE_BITS) | (attr & IORESOURCE_BITS);
return 0;
}
/* Check for an already-allocated window that must conflict with
@@ -209,7 +208,6 @@ int pccard_get_configuration_info(struct pcmcia_socket *s,
if (!(s->state & SOCKET_PRESENT))
return CS_NO_CARD;
- config->Function = p_dev->func;
#ifdef CONFIG_CARDBUS
if (s->state & SOCKET_CARDBUS) {
@@ -223,14 +221,22 @@ int pccard_get_configuration_info(struct pcmcia_socket *s,
config->AssignedIRQ = s->irq.AssignedIRQ;
if (config->AssignedIRQ)
config->Attributes |= CONF_ENABLE_IRQ;
- config->BasePort1 = s->io[0].res->start;
- config->NumPorts1 = s->io[0].res->end - config->BasePort1 + 1;
+ if (s->io[0].res) {
+ config->BasePort1 = s->io[0].res->start;
+ config->NumPorts1 = s->io[0].res->end - config->BasePort1 + 1;
+ }
}
return CS_SUCCESS;
}
#endif
- c = (p_dev) ? p_dev->function_config : NULL;
+ if (p_dev) {
+ c = p_dev->function_config;
+ config->Function = p_dev->func;
+ } else {
+ c = NULL;
+ config->Function = 0;
+ }
if ((c == NULL) || !(c->state & CONFIG_LOCKED)) {
config->Attributes = 0;
@@ -947,7 +953,5 @@ void pcmcia_disable_device(struct pcmcia_device *p_dev) {
pcmcia_release_irq(p_dev, &p_dev->irq);
if (&p_dev->win)
pcmcia_release_window(p_dev->win);
-
- p_dev->dev_node = NULL;
}
EXPORT_SYMBOL(pcmcia_disable_device);
diff --git a/drivers/pcmcia/pxa2xx_sharpsl.c b/drivers/pcmcia/pxa2xx_sharpsl.c
index fd364736895..b7b9e149c5b 100644
--- a/drivers/pcmcia/pxa2xx_sharpsl.c
+++ b/drivers/pcmcia/pxa2xx_sharpsl.c
@@ -26,14 +26,6 @@
#include "soc_common.h"
#define NO_KEEP_VS 0x0001
-
-/* PCMCIA to Scoop linkage
-
- There is no easy way to link multiple scoop devices into one
- single entity for the pxa2xx_pcmcia device so this structure
- is used which is setup by the platform code
-*/
-struct scoop_pcmcia_config *platform_scoop_config;
#define SCOOP_DEV platform_scoop_config->devs
static void sharpsl_pcmcia_init_reset(struct soc_pcmcia_socket *skt)
diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c
index c4256aa32bc..6fff109bdab 100644
--- a/drivers/pnp/manager.c
+++ b/drivers/pnp/manager.c
@@ -479,7 +479,7 @@ int pnp_auto_config_dev(struct pnp_dev *dev)
int pnp_start_dev(struct pnp_dev *dev)
{
if (!pnp_can_write(dev)) {
- pnp_info("Device %s does not supported activation.", dev->dev.bus_id);
+ pnp_info("Device %s does not support activation.", dev->dev.bus_id);
return -EINVAL;
}
@@ -503,7 +503,7 @@ int pnp_start_dev(struct pnp_dev *dev)
int pnp_stop_dev(struct pnp_dev *dev)
{
if (!pnp_can_disable(dev)) {
- pnp_info("Device %s does not supported disabling.", dev->dev.bus_id);
+ pnp_info("Device %s does not support disabling.", dev->dev.bus_id);
return -EINVAL;
}
if (dev->protocol->disable(dev)<0) {
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index 1b8429cb3c9..d23f00230a7 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -73,6 +73,7 @@ enum {
RX_FIS_D2H_REG = 0x40, /* offset of D2H Register FIS data */
board_ahci = 0,
+ board_ahci_vt8251 = 1,
/* global controller registers */
HOST_CAP = 0x00, /* host capabilities */
@@ -153,6 +154,9 @@ enum {
/* hpriv->flags bits */
AHCI_FLAG_MSI = (1 << 0),
+
+ /* ap->flags bits */
+ AHCI_FLAG_RESET_NEEDS_CLO = (1 << 24),
};
struct ahci_cmd_hdr {
@@ -255,6 +259,16 @@ static const struct ata_port_info ahci_port_info[] = {
.udma_mask = 0x7f, /* udma0-6 ; FIXME */
.port_ops = &ahci_ops,
},
+ /* board_ahci_vt8251 */
+ {
+ .sht = &ahci_sht,
+ .host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
+ ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
+ AHCI_FLAG_RESET_NEEDS_CLO,
+ .pio_mask = 0x1f, /* pio0-4 */
+ .udma_mask = 0x7f, /* udma0-6 ; FIXME */
+ .port_ops = &ahci_ops,
+ },
};
static const struct pci_device_id ahci_pci_tbl[] = {
@@ -296,6 +310,8 @@ static const struct pci_device_id ahci_pci_tbl[] = {
board_ahci }, /* ATI SB600 non-raid */
{ PCI_VENDOR_ID_ATI, 0x4381, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
board_ahci }, /* ATI SB600 raid */
+ { PCI_VENDOR_ID_VIA, 0x3349, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ board_ahci_vt8251 }, /* VIA VT8251 */
{ } /* terminate list */
};
@@ -516,9 +532,29 @@ static void ahci_fill_cmd_slot(struct ahci_port_priv *pp, u32 opts)
pp->cmd_slot[0].tbl_addr_hi = cpu_to_le32((pp->cmd_tbl_dma >> 16) >> 16);
}
-static int ahci_softreset(struct ata_port *ap, unsigned int *class)
+static int ahci_clo(struct ata_port *ap)
{
+ void __iomem *port_mmio = (void __iomem *) ap->ioaddr.cmd_addr;
struct ahci_host_priv *hpriv = ap->host_set->private_data;
+ u32 tmp;
+
+ if (!(hpriv->cap & HOST_CAP_CLO))
+ return -EOPNOTSUPP;
+
+ tmp = readl(port_mmio + PORT_CMD);
+ tmp |= PORT_CMD_CLO;
+ writel(tmp, port_mmio + PORT_CMD);
+
+ tmp = ata_wait_register(port_mmio + PORT_CMD,
+ PORT_CMD_CLO, PORT_CMD_CLO, 1, 500);
+ if (tmp & PORT_CMD_CLO)
+ return -EIO;
+
+ return 0;
+}
+
+static int ahci_softreset(struct ata_port *ap, unsigned int *class)
+{
struct ahci_port_priv *pp = ap->private_data;
void __iomem *mmio = ap->host_set->mmio_base;
void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
@@ -547,21 +583,13 @@ static int ahci_softreset(struct ata_port *ap, unsigned int *class)
/* check BUSY/DRQ, perform Command List Override if necessary */
ahci_tf_read(ap, &tf);
if (tf.command & (ATA_BUSY | ATA_DRQ)) {
- if (!(hpriv->cap & HOST_CAP_CLO)) {
- rc = -EIO;
- reason = "port busy but no CLO";
- goto fail_restart;
- }
-
- tmp = readl(port_mmio + PORT_CMD);
- tmp |= PORT_CMD_CLO;
- writel(tmp, port_mmio + PORT_CMD);
+ rc = ahci_clo(ap);
- tmp = ata_wait_register(port_mmio + PORT_CMD,
- PORT_CMD_CLO, PORT_CMD_CLO, 1, 500);
- if (tmp & PORT_CMD_CLO) {
- rc = -EIO;
- reason = "CLO failed";
+ if (rc == -EOPNOTSUPP) {
+ reason = "port busy but CLO unavailable";
+ goto fail_restart;
+ } else if (rc) {
+ reason = "port busy but CLO failed";
goto fail_restart;
}
}
@@ -672,6 +700,12 @@ static void ahci_postreset(struct ata_port *ap, unsigned int *class)
static int ahci_probe_reset(struct ata_port *ap, unsigned int *classes)
{
+ if ((ap->flags & AHCI_FLAG_RESET_NEEDS_CLO) &&
+ (ata_busy_wait(ap, ATA_BUSY, 1000) & ATA_BUSY)) {
+ /* ATA_BUSY hasn't cleared, so send a CLO */
+ ahci_clo(ap);
+ }
+
return ata_drive_probe_reset(ap, ata_std_probeinit,
ahci_softreset, ahci_hardreset,
ahci_postreset, classes);
diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c
index e9c10c0a30f..321a40f33b5 100644
--- a/drivers/serial/m32r_sio.c
+++ b/drivers/serial/m32r_sio.c
@@ -1057,7 +1057,6 @@ static void m32r_sio_console_write(struct console *co, const char *s,
{
struct uart_sio_port *up = &m32r_sio_ports[co->index];
unsigned int ier;
- int i;
/*
* First save the UER then disable the interrupts
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index 42b457030b0..0eb010a3f5b 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1614,6 +1614,7 @@ static int activate_ep_files (struct dev_data *dev)
data, &ep_config_operations,
&data->dentry);
if (!data->inode) {
+ usb_ep_free_request(ep, data->req);
kfree (data);
goto enomem;
}
diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c
index 9a6b5b39b88..387a18a47ac 100644
--- a/drivers/video/aty/radeon_base.c
+++ b/drivers/video/aty/radeon_base.c
@@ -2265,7 +2265,7 @@ static struct bin_attribute edid2_attr = {
};
-static int radeonfb_pci_register (struct pci_dev *pdev,
+static int __devinit radeonfb_pci_register (struct pci_dev *pdev,
const struct pci_device_id *ent)
{
struct fb_info *info;
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 8d8eadb6485..372aa177682 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -674,13 +674,19 @@ fb_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
total_size = info->fix.smem_len;
if (p > total_size)
- return 0;
+ return -EFBIG;
- if (count >= total_size)
+ if (count > total_size) {
+ err = -EFBIG;
count = total_size;
+ }
+
+ if (count + p > total_size) {
+ if (!err)
+ err = -ENOSPC;
- if (count + p > total_size)
count = total_size - p;
+ }
buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count,
GFP_KERNEL);
@@ -722,7 +728,7 @@ fb_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
kfree(buffer);
- return (err) ? err : cnt;
+ return (cnt) ? cnt : err;
}
#ifdef CONFIG_KMOD
diff --git a/drivers/video/pm2fb.c b/drivers/video/pm2fb.c
index 5fe197943de..4e963930b50 100644
--- a/drivers/video/pm2fb.c
+++ b/drivers/video/pm2fb.c
@@ -73,8 +73,8 @@ static char *mode __devinitdata = NULL;
* these flags allow the user to specify that requests for +ve sync
* should be silently turned in -ve sync.
*/
-static int lowhsync __devinitdata = 0;
-static int lowvsync __devinitdata = 0;
+static int lowhsync;
+static int lowvsync;
/*
* The hardware state of the graphics card that isn't part of the
diff --git a/drivers/video/savage/savagefb_driver.c b/drivers/video/savage/savagefb_driver.c
index 10e6b3aab9e..0da624e6524 100644
--- a/drivers/video/savage/savagefb_driver.c
+++ b/drivers/video/savage/savagefb_driver.c
@@ -73,7 +73,7 @@
/* --------------------------------------------------------------------- */
-static char *mode_option __initdata = NULL;
+static char *mode_option __devinitdata = NULL;
#ifdef MODULE
@@ -1545,7 +1545,7 @@ static int __devinit savage_map_mmio (struct fb_info *info)
return 0;
}
-static void __devinit savage_unmap_mmio (struct fb_info *info)
+static void savage_unmap_mmio (struct fb_info *info)
{
struct savagefb_par *par = info->par;
DBG ("savage_unmap_mmio");
@@ -1597,7 +1597,7 @@ static int __devinit savage_map_video (struct fb_info *info,
return 0;
}
-static void __devinit savage_unmap_video (struct fb_info *info)
+static void savage_unmap_video (struct fb_info *info)
{
struct savagefb_par *par = info->par;
@@ -1614,7 +1614,7 @@ static void __devinit savage_unmap_video (struct fb_info *info)
}
}
-static int __devinit savage_init_hw (struct savagefb_par *par)
+static int savage_init_hw (struct savagefb_par *par)
{
unsigned char config1, m, n, n1, n2, sr8, cr3f, cr66 = 0, tmp;