diff options
Diffstat (limited to 'drivers/char')
52 files changed, 1627 insertions, 1714 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 73d30bf0158..402296670d3 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -561,14 +561,31 @@ config TIPAR If unsure, say N. +config HVC_DRIVER + bool + help + Users of pSeries machines that want to utilize the hvc console front-end + module for their backend console driver should select this option. + It will automatically be selected if one of the back-end console drivers + is selected. + + config HVC_CONSOLE bool "pSeries Hypervisor Virtual Console support" depends on PPC_PSERIES + select HVC_DRIVER help pSeries machines when partitioned support a hypervisor virtual console. This driver allows each pSeries partition to have a console which is accessed via the HMC. +config HVC_RTAS + bool "IBM RTAS Console support" + depends on PPC_RTAS + select HVC_DRIVER + help + IBM Console device driver which makes use of RTAS + config HVCS tristate "IBM Hypervisor Virtual Console Server support" depends on PPC_PSERIES @@ -788,10 +805,6 @@ config S3C2410_RTC Samsung S3C2410. This can provide periodic interrupt rates from 1Hz to 64Hz for user programs, and wakeup from Alarm. -config RTC_VR41XX - tristate "NEC VR4100 series Real Time Clock Support" - depends on CPU_VR41XX - config COBALT_LCD bool "Support for Cobalt LCD" depends on MIPS_COBALT diff --git a/drivers/char/Makefile b/drivers/char/Makefile index b2a11245fa9..f5b01c6d498 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -41,7 +41,9 @@ obj-$(CONFIG_N_HDLC) += n_hdlc.o obj-$(CONFIG_AMIGA_BUILTIN_SERIAL) += amiserial.o obj-$(CONFIG_SX) += sx.o generic_serial.o obj-$(CONFIG_RIO) += rio/ generic_serial.o -obj-$(CONFIG_HVC_CONSOLE) += hvc_console.o hvc_vio.o hvsi.o +obj-$(CONFIG_HVC_DRIVER) += hvc_console.o +obj-$(CONFIG_HVC_CONSOLE) += hvc_vio.o hvsi.o +obj-$(CONFIG_HVC_RTAS) += hvc_rtas.o obj-$(CONFIG_RAW_DRIVER) += raw.o obj-$(CONFIG_SGI_SNSC) += snsc.o snsc_event.o obj-$(CONFIG_MMTIMER) += mmtimer.o @@ -65,7 +67,6 @@ obj-$(CONFIG_SGI_DS1286) += ds1286.o obj-$(CONFIG_SGI_IP27_RTC) += ip27-rtc.o obj-$(CONFIG_DS1302) += ds1302.o obj-$(CONFIG_S3C2410_RTC) += s3c2410-rtc.o -obj-$(CONFIG_RTC_VR41XX) += vr41xx_rtc.o ifeq ($(CONFIG_GENERIC_NVRAM),y) obj-$(CONFIG_NVRAM) += generic_nvram.o else diff --git a/drivers/char/agp/efficeon-agp.c b/drivers/char/agp/efficeon-agp.c index fed0a87448d..86a966b6523 100644 --- a/drivers/char/agp/efficeon-agp.c +++ b/drivers/char/agp/efficeon-agp.c @@ -64,6 +64,12 @@ static struct gatt_mask efficeon_generic_masks[] = {.mask = 0x00000001, .type = 0} }; +/* This function does the same thing as mask_memory() for this chipset... */ +static inline unsigned long efficeon_mask_memory(unsigned long addr) +{ + return addr | 0x00000001; +} + static struct aper_size_info_lvl2 efficeon_generic_sizes[4] = { {256, 65536, 0}, @@ -251,7 +257,7 @@ static int efficeon_insert_memory(struct agp_memory * mem, off_t pg_start, int t last_page = NULL; for (i = 0; i < count; i++) { int index = pg_start + i; - unsigned long insert = mem->memory[i]; + unsigned long insert = efficeon_mask_memory(mem->memory[i]); page = (unsigned int *) efficeon_private.l1_table[index >> 10]; diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c index 927a5bbe112..a370e7a0bad 100644 --- a/drivers/char/applicom.c +++ b/drivers/char/applicom.c @@ -142,7 +142,7 @@ static int ac_register_board(unsigned long physloc, void __iomem *loc, if (!boardno) boardno = readb(loc + NUMCARD_OWNER_TO_PC); - if (!boardno && boardno > MAX_BOARD) { + if (!boardno || boardno > MAX_BOARD) { printk(KERN_WARNING "Board #%d (at 0x%lx) is out of range (1 <= x <= %d).\n", boardno, physloc, MAX_BOARD); return 0; diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h index 107df9fdba4..e1aadae0062 100644 --- a/drivers/char/drm/drmP.h +++ b/drivers/char/drm/drmP.h @@ -357,6 +357,12 @@ typedef struct drm_freelist { spinlock_t lock; } drm_freelist_t; +typedef struct drm_dma_handle { + dma_addr_t busaddr; + void *vaddr; + size_t size; +} drm_dma_handle_t; + /** * Buffer entry. There is one of this for each buffer size order. */ @@ -366,7 +372,7 @@ typedef struct drm_buf_entry { drm_buf_t *buflist; /**< buffer list */ int seg_count; int page_order; - unsigned long *seglist; + drm_dma_handle_t **seglist; drm_freelist_t freelist; } drm_buf_entry_t; @@ -483,12 +489,6 @@ typedef struct drm_sigdata { drm_hw_lock_t *lock; } drm_sigdata_t; -typedef struct drm_dma_handle { - dma_addr_t busaddr; - void *vaddr; - size_t size; -} drm_dma_handle_t; - /** * Mappings list */ @@ -813,12 +813,8 @@ extern void drm_mem_init(void); extern int drm_mem_info(char *buf, char **start, off_t offset, int request, int *eof, void *data); extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); -extern unsigned long drm_alloc_pages(int order, int area); -extern void drm_free_pages(unsigned long address, int order, 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); @@ -1024,11 +1020,13 @@ 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_bufs.c b/drivers/char/drm/drm_bufs.c index e2637b4d51d..8a9cf12e618 100644 --- a/drivers/char/drm/drm_bufs.c +++ b/drivers/char/drm/drm_bufs.c @@ -474,8 +474,7 @@ static void drm_cleanup_buf_error(drm_device_t * dev, drm_buf_entry_t * entry) if (entry->seg_count) { for (i = 0; i < entry->seg_count; i++) { if (entry->seglist[i]) { - drm_free_pages(entry->seglist[i], - entry->page_order, DRM_MEM_DMA); + drm_pci_free(dev, entry->seglist[i]); } } drm_free(entry->seglist, @@ -678,7 +677,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) int total; int page_order; drm_buf_entry_t *entry; - unsigned long page; + drm_dma_handle_t *dmah; drm_buf_t *buf; int alignment; unsigned long offset; @@ -781,8 +780,10 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) page_count = 0; while (entry->buf_count < count) { - page = drm_alloc_pages(page_order, DRM_MEM_DMA); - if (!page) { + + dmah = drm_pci_alloc(dev, PAGE_SIZE << page_order, 0x1000, 0xfffffffful); + + if (!dmah) { /* Set count correctly so we free the proper amount. */ entry->buf_count = count; entry->seg_count = count; @@ -794,13 +795,13 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) atomic_dec(&dev->buf_alloc); return -ENOMEM; } - entry->seglist[entry->seg_count++] = page; + entry->seglist[entry->seg_count++] = dmah; for (i = 0; i < (1 << page_order); i++) { DRM_DEBUG("page %d @ 0x%08lx\n", dma->page_count + page_count, - page + PAGE_SIZE * i); + (unsigned long)dmah->vaddr + PAGE_SIZE * i); temp_pagelist[dma->page_count + page_count++] - = page + PAGE_SIZE * i; + = (unsigned long)dmah->vaddr + PAGE_SIZE * i; } for (offset = 0; offset + size <= total && entry->buf_count < count; @@ -811,7 +812,8 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) buf->order = order; buf->used = 0; buf->offset = (dma->byte_count + byte_count + offset); - buf->address = (void *)(page + offset); + buf->address = (void *)(dmah->vaddr + offset); + buf->bus_address = dmah->busaddr + offset; buf->next = NULL; buf->waiting = 0; buf->pending = 0; diff --git a/drivers/char/drm/drm_dma.c b/drivers/char/drm/drm_dma.c index 2afab95ca03..892db709698 100644 --- a/drivers/char/drm/drm_dma.c +++ b/drivers/char/drm/drm_dma.c @@ -85,9 +85,7 @@ void drm_dma_takedown(drm_device_t * dev) dma->bufs[i].seg_count); for (j = 0; j < dma->bufs[i].seg_count; j++) { if (dma->bufs[i].seglist[j]) { - drm_free_pages(dma->bufs[i].seglist[j], - dma->bufs[i].page_order, - DRM_MEM_DMA); + drm_pci_free(dev, dma->bufs[i].seglist[j]); } } drm_free(dma->bufs[i].seglist, 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 8074771e348..7e3318e1d1c 100644 --- a/drivers/char/drm/drm_memory.c +++ b/drivers/char/drm/drm_memory.c @@ -79,66 +79,72 @@ void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area) return pt; } -/** - * Allocate pages. - * - * \param order size order. - * \param area memory area. (Not used.) - * \return page address on success, or zero on failure. - * - * Allocate and reserve free pages. +#if __OS_HAS_AGP +/* + * Find the drm_map that covers the range [offset, offset+size). */ -unsigned long drm_alloc_pages(int order, int area) +static drm_map_t *drm_lookup_map(unsigned long offset, + unsigned long size, drm_device_t * dev) { - unsigned long address; - unsigned long bytes = PAGE_SIZE << order; - unsigned long addr; - unsigned int sz; - - address = __get_free_pages(GFP_KERNEL|__GFP_COMP, order); - if (!address) - return 0; - - /* Zero */ - memset((void *)address, 0, bytes); - - /* Reserve */ - for (addr = address, sz = bytes; - sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) { - SetPageReserved(virt_to_page(addr)); + 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 address; + return NULL; } -/** - * Free pages. - * - * \param address address of the pages to free. - * \param order size order. - * \param area memory area. (Not used.) - * - * Unreserve and free pages allocated by alloc_pages(). - */ -void drm_free_pages(unsigned long address, int order, int area) +static void *agp_remap(unsigned long offset, unsigned long size, + drm_device_t * dev) { - unsigned long bytes = PAGE_SIZE << order; - unsigned long addr; - unsigned int sz; + 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; - if (!address) - return; + /* + * 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; - /* Unreserve */ - for (addr = address, sz = bytes; - sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - } + 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); - free_pages(address, order); + return addr; } -#if __OS_HAS_AGP /** Wrapper around agp_allocate_memory() */ DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type) { @@ -162,5 +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 e84605fc54a..6543b9a14c4 100644 --- a/drivers/char/drm/drm_memory_debug.h +++ b/drivers/char/drm/drm_memory_debug.h @@ -206,76 +206,6 @@ void drm_free (void *pt, size_t size, int area) { } } -unsigned long drm_alloc_pages (int order, int area) { - unsigned long address; - unsigned long bytes = PAGE_SIZE << order; - unsigned long addr; - unsigned int sz; - - spin_lock(&drm_mem_lock); - if ((drm_ram_used >> PAGE_SHIFT) - > (DRM_RAM_PERCENT * drm_ram_available) / 100) { - spin_unlock(&drm_mem_lock); - return 0; - } - spin_unlock(&drm_mem_lock); - - address = __get_free_pages(GFP_KERNEL|__GFP_COMP, order); - if (!address) { - spin_lock(&drm_mem_lock); - ++drm_mem_stats[area].fail_count; - spin_unlock(&drm_mem_lock); - return 0; - } - spin_lock(&drm_mem_lock); - ++drm_mem_stats[area].succeed_count; - drm_mem_stats[area].bytes_allocated += bytes; - drm_ram_used += bytes; - spin_unlock(&drm_mem_lock); - - /* Zero outside the lock */ - memset((void *)address, 0, bytes); - - /* Reserve */ - for (addr = address, sz = bytes; - sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) { - SetPageReserved(virt_to_page(addr)); - } - - return address; -} - -void drm_free_pages (unsigned long address, int order, int area) { - unsigned long bytes = PAGE_SIZE << order; - int alloc_count; - int free_count; - unsigned long addr; - unsigned int sz; - - if (!address) { - DRM_MEM_ERROR(area, "Attempt to free address 0\n"); - } else { - /* Unreserve */ - for (addr = address, sz = bytes; - sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - } - free_pages(address, order); - } - - spin_lock(&drm_mem_lock); - free_count = ++drm_mem_stats[area].free_count; - alloc_count = drm_mem_stats[area].succeed_count; - drm_mem_stats[area].bytes_freed += bytes; - drm_ram_used -= bytes; - spin_unlock(&drm_mem_lock); - if (free_count > alloc_count) { - DRM_MEM_ERROR(area, - "Excess frees: %d frees, %d allocs\n", - free_count, alloc_count); - } -} - void *drm_ioremap (unsigned long offset, unsigned long size, drm_device_t * dev) { void *pt; @@ -299,6 +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; @@ -321,6 +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 1fd7ff16481..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" /**********************************************************************/ @@ -50,6 +51,10 @@ drm_dma_handle_t *drm_pci_alloc(drm_device_t * dev, size_t size, size_t align, dma_addr_t maxaddr) { drm_dma_handle_t *dmah; +#if 1 + unsigned long addr; + size_t sz; +#endif #ifdef DRM_DEBUG_MEMORY int area = DRM_MEM_DMA; @@ -79,7 +84,7 @@ drm_dma_handle_t *drm_pci_alloc(drm_device_t * dev, size_t size, size_t align, return NULL; dmah->size = size; - dmah->vaddr = pci_alloc_consistent(dev->pdev, size, &dmah->busaddr); + dmah->vaddr = dma_alloc_coherent(&dev->pdev->dev, size, &dmah->busaddr, GFP_KERNEL | __GFP_COMP); #ifdef DRM_DEBUG_MEMORY if (dmah->vaddr == NULL) { @@ -104,18 +109,29 @@ drm_dma_handle_t *drm_pci_alloc(drm_device_t * dev, size_t size, size_t align, memset(dmah->vaddr, 0, size); + /* XXX - Is virt_to_page() legal for consistent mem? */ + /* Reserve */ + for (addr = (unsigned long)dmah->vaddr, sz = size; + sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) { + SetPageReserved(virt_to_page(addr)); + } + return dmah; } EXPORT_SYMBOL(drm_pci_alloc); /** - * \brief Free a PCI consistent memory block with freeing its descriptor. + * \brief Free a PCI consistent memory block without freeing its descriptor. * * This function is for internal use in the Linux-specific DRM core code. */ void __drm_pci_free(drm_device_t * dev, drm_dma_handle_t * dmah) { +#if 1 + unsigned long addr; + size_t sz; +#endif #ifdef DRM_DEBUG_MEMORY int area = DRM_MEM_DMA; int alloc_count; @@ -127,8 +143,14 @@ void __drm_pci_free(drm_device_t * dev, drm_dma_handle_t * dmah) DRM_MEM_ERROR(area, "Attempt to free address 0\n"); #endif } else { - pci_free_consistent(dev->pdev, dmah->size, dmah->vaddr, - dmah->busaddr); + /* XXX - Is virt_to_page() legal for consistent mem? */ + /* Unreserve */ + for (addr = (unsigned long)dmah->vaddr, sz = dmah->size; + sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) { + ClearPageReserved(virt_to_page(addr)); + } + dma_free_coherent(&dev->pdev->dev, dmah->size, dmah->vaddr, + dmah->busaddr); } #ifdef DRM_DEBUG_MEMORY diff --git a/drivers/char/drm/drm_pciids.h b/drivers/char/drm/drm_pciids.h index 2c17e88a884..b1bb3c7b568 100644 --- a/drivers/char/drm/drm_pciids.h +++ b/drivers/char/drm/drm_pciids.h @@ -3,49 +3,69 @@ Please contact dri-devel@lists.sf.net to add new cards to this list */ #define radeon_PCI_IDS \ - {0x1002, 0x3150, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350},\ + {0x1002, 0x3150, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_IS_MOBILITY}, \ + {0x1002, 0x3152, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x3154, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x3E50, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x3E54, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_NEW_MEMMAP}, \ {0x1002, 0x4136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS100|CHIP_IS_IGP}, \ {0x1002, 0x4137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS200|CHIP_IS_IGP}, \ {0x1002, 0x4144, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ {0x1002, 0x4145, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ {0x1002, 0x4146, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ {0x1002, 0x4147, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ + {0x1002, 0x4148, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ + {0x1002, 0x4149, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ + {0x1002, 0x414A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ + {0x1002, 0x414B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ {0x1002, 0x4150, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ {0x1002, 0x4151, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ {0x1002, 0x4152, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ {0x1002, 0x4153, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ {0x1002, 0x4154, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ + {0x1002, 0x4155, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ {0x1002, 0x4156, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ - {0x1002, 0x4237, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS250|CHIP_IS_IGP}, \ + {0x1002, 0x4237, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS200|CHIP_IS_IGP}, \ {0x1002, 0x4242, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ {0x1002, 0x4243, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ {0x1002, 0x4336, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS100|CHIP_IS_IGP|CHIP_IS_MOBILITY}, \ {0x1002, 0x4337, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS200|CHIP_IS_IGP|CHIP_IS_MOBILITY}, \ - {0x1002, 0x4437, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS250|CHIP_IS_IGP|CHIP_IS_MOBILITY}, \ - {0x1002, 0x4964, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250}, \ - {0x1002, 0x4965, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250}, \ - {0x1002, 0x4966, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250}, \ - {0x1002, 0x4967, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250}, \ - {0x1002, 0x4A49, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420}, \ - {0x1002, 0x4A4B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420}, \ + {0x1002, 0x4437, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS200|CHIP_IS_IGP|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4966, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250}, \ + {0x1002, 0x4967, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250}, \ + {0x1002, 0x4A48, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4A49, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4A4A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4A4B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4A4C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4A4D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4A4E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4A4F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4A50, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4A54, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4B49, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4B4A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4B4B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4B4C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ {0x1002, 0x4C57, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV200|CHIP_IS_MOBILITY}, \ {0x1002, 0x4C58, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV200|CHIP_IS_MOBILITY}, \ {0x1002, 0x4C59, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100|CHIP_IS_MOBILITY}, \ {0x1002, 0x4C5A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100|CHIP_IS_MOBILITY}, \ - {0x1002, 0x4C64, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250|CHIP_IS_MOBILITY}, \ - {0x1002, 0x4C65, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250|CHIP_IS_MOBILITY}, \ - {0x1002, 0x4C66, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250|CHIP_IS_MOBILITY}, \ - {0x1002, 0x4C67, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4C64, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4C66, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4C67, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|CHIP_IS_MOBILITY}, \ {0x1002, 0x4E44, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ {0x1002, 0x4E45, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ - {0x1002, 0x4E46, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ + {0x1002, 0x4E46, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ {0x1002, 0x4E47, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ {0x1002, 0x4E48, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ {0x1002, 0x4E49, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ - {0x1002, 0x4E4A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ + {0x1002, 0x4E4A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ {0x1002, 0x4E4B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ {0x1002, 0x4E50, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350|CHIP_IS_MOBILITY}, \ {0x1002, 0x4E51, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4E52, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4E53, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350|CHIP_IS_MOBILITY}, \ {0x1002, 0x4E54, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350|CHIP_IS_MOBILITY}, \ {0x1002, 0x4E56, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350|CHIP_IS_MOBILITY}, \ {0x1002, 0x5144, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R100|CHIP_SINGLE_CRTC}, \ @@ -53,44 +73,66 @@ {0x1002, 0x5146, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R100|CHIP_SINGLE_CRTC}, \ {0x1002, 0x5147, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R100|CHIP_SINGLE_CRTC}, \ {0x1002, 0x5148, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x5149, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x514A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x514B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ {0x1002, 0x514C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ {0x1002, 0x514D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x514E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x514F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ {0x1002, 0x5157, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV200}, \ {0x1002, 0x5158, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV200}, \ {0x1002, 0x5159, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100}, \ {0x1002, 0x515A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100}, \ {0x1002, 0x515E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100}, \ - {0x1002, 0x5168, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x5169, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x516A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x516B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x516C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x5460, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ - {0x1002, 0x554F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ + {0x1002, 0x5460, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_IS_MOBILITY}, \ + {0x1002, 0x5462, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_IS_MOBILITY}, \ + {0x1002, 0x5464, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_IS_MOBILITY}, \ + {0x1002, 0x5548, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5549, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x554A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x554B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x554C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x554D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x554E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x554F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5550, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5551, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5552, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5554, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x564A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x564B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x564F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5652, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5653, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ {0x1002, 0x5834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP}, \ {0x1002, 0x5835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP|CHIP_IS_MOBILITY}, \ - {0x1002, 0x5836, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP}, \ - {0x1002, 0x5837, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP}, \ {0x1002, 0x5960, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ {0x1002, 0x5961, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ {0x1002, 0x5962, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ - {0x1002, 0x5963, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ {0x1002, 0x5964, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ - {0x1002, 0x5968, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ + {0x1002, 0x5965, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ {0x1002, 0x5969, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100}, \ - {0x1002, 0x596A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ - {0x1002, 0x596B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ + {0x1002, 0x5b60, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5b62, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5b63, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5b64, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5b65, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_NEW_MEMMAP}, \ {0x1002, 0x5c61, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280|CHIP_IS_MOBILITY}, \ - {0x1002, 0x5c62, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ {0x1002, 0x5c63, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280|CHIP_IS_MOBILITY}, \ - {0x1002, 0x5c64, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ - {0x1002, 0x5d4d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ - {0x1002, 0x5e4b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420}, \ + {0x1002, 0x5d48, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5d49, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5d4a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5d4c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5d4d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5d4e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5d4f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5d50, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5d52, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5d57, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5e48, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5e4a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5e4b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5e4c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5e4d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5e4f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x7834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x7835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ {0, 0, 0} #define r128_PCI_IDS \ diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c index 1ff4c7ca0bf..9f4b8ce4c05 100644 --- a/drivers/char/drm/i915_dma.c +++ b/drivers/char/drm/i915_dma.c @@ -495,8 +495,6 @@ static int i915_dispatch_batchbuffer(drm_device_t * dev, } } - dev_priv->sarea_priv->last_enqueue = dev_priv->counter++; - i915_emit_breadcrumb(dev); return 0; diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c index d3879ac9970..a752afd86ab 100644 --- a/drivers/char/drm/i915_irq.c +++ b/drivers/char/drm/i915_irq.c @@ -53,6 +53,8 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) I915_WRITE16(I915REG_INT_IDENTITY_R, temp); + dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); + if (temp & USER_INT_FLAG) DRM_WAKEUP(&dev_priv->irq_queue); diff --git a/drivers/char/drm/r300_cmdbuf.c b/drivers/char/drm/r300_cmdbuf.c index c08fa5076f0..b108c7f913b 100644 --- a/drivers/char/drm/r300_cmdbuf.c +++ b/drivers/char/drm/r300_cmdbuf.c @@ -214,13 +214,13 @@ void r300_init_reg_flags(void) ADD_RANGE(0x4F54, 1); ADD_RANGE(R300_TX_FILTER_0, 16); - ADD_RANGE(R300_TX_UNK1_0, 16); + ADD_RANGE(R300_TX_FILTER1_0, 16); ADD_RANGE(R300_TX_SIZE_0, 16); ADD_RANGE(R300_TX_FORMAT_0, 16); ADD_RANGE(R300_TX_PITCH_0, 16); /* Texture offset is dangerous and needs more checking */ ADD_RANGE_MARK(R300_TX_OFFSET_0, 16, MARK_CHECK_OFFSET); - ADD_RANGE(R300_TX_UNK4_0, 16); + ADD_RANGE(R300_TX_CHROMA_KEY_0, 16); ADD_RANGE(R300_TX_BORDER_COLOR_0, 16); /* Sporadic registers used as primitives are emitted */ @@ -242,8 +242,10 @@ static __inline__ int r300_check_range(unsigned reg, int count) return 0; } - /* we expect offsets passed to the framebuffer to be either within video memory or - within AGP space */ +/* + * we expect offsets passed to the framebuffer to be either within video + * memory or within AGP space + */ static __inline__ int r300_check_offset(drm_radeon_private_t *dev_priv, u32 offset) { @@ -251,11 +253,11 @@ static __inline__ int r300_check_offset(drm_radeon_private_t *dev_priv, but this value is not being kept. This code is correct for now (does the same thing as the code that sets MC_FB_LOCATION) in radeon_cp.c */ - if ((offset >= dev_priv->fb_location) && - (offset < dev_priv->gart_vm_start)) + if (offset >= dev_priv->fb_location && + offset < (dev_priv->fb_location + dev_priv->fb_size)) return 0; - if ((offset >= dev_priv->gart_vm_start) && - (offset < dev_priv->gart_vm_start + dev_priv->gart_size)) + if (offset >= dev_priv->gart_vm_start && + offset < (dev_priv->gart_vm_start + dev_priv->gart_size)) return 0; return 1; } @@ -490,6 +492,7 @@ static __inline__ int r300_emit_3d_load_vbpntr(drm_radeon_private_t *dev_priv, return 0; } + static __inline__ int r300_emit_bitblt_multi(drm_radeon_private_t *dev_priv, drm_radeon_kcmd_buffer_t *cmdbuf) { @@ -701,6 +704,64 @@ static void r300_discard_buffer(drm_device_t * dev, drm_buf_t * buf) buf->used = 0; } +static int r300_scratch(drm_radeon_private_t *dev_priv, + drm_radeon_kcmd_buffer_t *cmdbuf, + drm_r300_cmd_header_t header) +{ + u32 *ref_age_base; + u32 i, buf_idx, h_pending; + RING_LOCALS; + + if (cmdbuf->bufsz < + (sizeof(u64) + header.scratch.n_bufs * sizeof(buf_idx))) { + return DRM_ERR(EINVAL); + } + + if (header.scratch.reg >= 5) { + return DRM_ERR(EINVAL); + } + + dev_priv->scratch_ages[header.scratch.reg]++; + + ref_age_base = *(u32 **)cmdbuf->buf; + + cmdbuf->buf += sizeof(u64); + cmdbuf->bufsz -= sizeof(u64); + + for (i=0; i < header.scratch.n_bufs; i++) { + buf_idx = *(u32 *)cmdbuf->buf; + buf_idx *= 2; /* 8 bytes per buf */ + + if (DRM_COPY_TO_USER(ref_age_base + buf_idx, &dev_priv->scratch_ages[header.scratch.reg], sizeof(u32))) { + return DRM_ERR(EINVAL); + } + + if (DRM_COPY_FROM_USER(&h_pending, ref_age_base + buf_idx + 1, sizeof(u32))) { + return DRM_ERR(EINVAL); + } + + if (h_pending == 0) { + return DRM_ERR(EINVAL); + } + + h_pending--; + + if (DRM_COPY_TO_USER(ref_age_base + buf_idx + 1, &h_pending, sizeof(u32))) { + return DRM_ERR(EINVAL); + } + + cmdbuf->buf += sizeof(buf_idx); + cmdbuf->bufsz -= sizeof(buf_idx); + } + + BEGIN_RING(2); + OUT_RING(CP_PACKET0(RADEON_SCRATCH_REG0 + header.scratch.reg * 4, 0)); + OUT_RING(dev_priv->scratch_ages[header.scratch.reg]); + ADVANCE_RING(); + + return 0; +} + /** * Parses and validates a user-supplied command buffer and emits appropriate * commands on the DMA ring buffer. @@ -838,6 +899,15 @@ int r300_do_cp_cmdbuf(drm_device_t *dev, } break; + case R300_CMD_SCRATCH: + DRM_DEBUG("R300_CMD_SCRATCH\n"); + ret = r300_scratch(dev_priv, cmdbuf, header); + if (ret) { + DRM_ERROR("r300_scratch failed\n"); + goto cleanup; + } + break; + default: DRM_ERROR("bad cmd_type %i at %p\n", header.header.cmd_type, diff --git a/drivers/char/drm/r300_reg.h b/drivers/char/drm/r300_reg.h index d1e19954406..a881f96c983 100644 --- a/drivers/char/drm/r300_reg.h +++ b/drivers/char/drm/r300_reg.h @@ -711,8 +711,22 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_TX_MAX_ANISO_16_TO_1 (8 << 21) # define R300_TX_MAX_ANISO_MASK (14 << 21) -#define R300_TX_UNK1_0 0x4440 +#define R300_TX_FILTER1_0 0x4440 +# define R300_CHROMA_KEY_MODE_DISABLE 0 +# define R300_CHROMA_KEY_FORCE 1 +# define R300_CHROMA_KEY_BLEND 2 +# define R300_MC_ROUND_NORMAL (0<<2) +# define R300_MC_ROUND_MPEG4 (1<<2) # define R300_LOD_BIAS_MASK 0x1fff +# define R300_EDGE_ANISO_EDGE_DIAG (0<<13) +# define R300_EDGE_ANISO_EDGE_ONLY (1<<13) +# define R300_MC_COORD_TRUNCATE_DISABLE (0<<14) +# define R300_MC_COORD_TRUNCATE_MPEG (1<<14) +# define R300_TX_TRI_PERF_0_8 (0<<15) +# define R300_TX_TRI_PERF_1_8 (1<<15) +# define R300_TX_TRI_PERF_1_4 (2<<15) +# define R300_TX_TRI_PERF_3_8 (3<<15) +# define R300_ANISO_THRESHOLD_MASK (7<<17) #define R300_TX_SIZE_0 0x4480 # define R300_TX_WIDTHMASK_SHIFT 0 @@ -722,6 +736,8 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_TX_UNK23 (1 << 23) # define R300_TX_SIZE_SHIFT 26 /* largest of width, height */ # define R300_TX_SIZE_MASK (15 << 26) +# define R300_TX_SIZE_PROJECTED (1<<30) +# define R300_TX_SIZE_TXPITCH_EN (1<<31) #define R300_TX_FORMAT_0 0x44C0 /* The interpretation of the format word by Wladimir van der Laan */ /* The X, Y, Z and W refer to the layout of the components. @@ -750,7 +766,8 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_TX_FORMAT_B8G8_B8G8 0x14 /* no swizzle */ # define R300_TX_FORMAT_G8R8_G8B8 0x15 /* no swizzle */ /* 0x16 - some 16 bit green format.. ?? */ -# define R300_TX_FORMAT_UNK25 (1 << 25) /* no swizzle */ +# define R300_TX_FORMAT_UNK25 (1 << 25) /* no swizzle */ +# define R300_TX_FORMAT_CUBIC_MAP (1 << 26) /* gap */ /* Floating point formats */ @@ -800,18 +817,20 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_TX_FORMAT_YUV_MODE 0x00800000 -#define R300_TX_PITCH_0 0x4500 +#define R300_TX_PITCH_0 0x4500 /* obvious missing in gap */ #define R300_TX_OFFSET_0 0x4540 /* BEGIN: Guess from R200 */ # define R300_TXO_ENDIAN_NO_SWAP (0 << 0) # define R300_TXO_ENDIAN_BYTE_SWAP (1 << 0) # define R300_TXO_ENDIAN_WORD_SWAP (2 << 0) # define R300_TXO_ENDIAN_HALFDW_SWAP (3 << 0) +# define R300_TXO_MACRO_TILE (1 << 2) +# define R300_TXO_MICRO_TILE (1 << 3) # define R300_TXO_OFFSET_MASK 0xffffffe0 # define R300_TXO_OFFSET_SHIFT 5 /* END */ -#define R300_TX_UNK4_0 0x4580 -#define R300_TX_BORDER_COLOR_0 0x45C0 //ff00ff00 == { 0, 1.0, 0, 1.0 } +#define R300_TX_CHROMA_KEY_0 0x4580 /* 32 bit chroma key */ +#define R300_TX_BORDER_COLOR_0 0x45C0 //ff00ff00 == { 0, 1.0, 0, 1.0 } /* END */ @@ -868,7 +887,9 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_PFS_NODE_TEX_OFFSET_MASK (31 << 12) # define R300_PFS_NODE_TEX_END_SHIFT 17 # define R300_PFS_NODE_TEX_END_MASK (31 << 17) -# define R300_PFS_NODE_LAST_NODE (1 << 22) +/*# define R300_PFS_NODE_LAST_NODE (1 << 22) */ +# define R300_PFS_NODE_OUTPUT_COLOR (1 << 22) +# define R300_PFS_NODE_OUTPUT_DEPTH (1 << 23) /* TEX // As far as I can tell, texture instructions cannot write into output @@ -887,6 +908,7 @@ I am fairly certain that they are correct unless stated otherwise in comments. */ # define R300_FPITX_OPCODE_SHIFT 15 # define R300_FPITX_OP_TEX 1 +# define R300_FPITX_OP_KIL 2 # define R300_FPITX_OP_TXP 3 # define R300_FPITX_OP_TXB 4 @@ -962,9 +984,11 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_FPI1_SRC2C_CONST (1 << 17) # define R300_FPI1_DSTC_SHIFT 18 # define R300_FPI1_DSTC_MASK (31 << 18) +# define R300_FPI1_DSTC_REG_MASK_SHIFT 23 # define R300_FPI1_DSTC_REG_X (1 << 23) # define R300_FPI1_DSTC_REG_Y (1 << 24) # define R300_FPI1_DSTC_REG_Z (1 << 25) +# define R300_FPI1_DSTC_OUTPUT_MASK_SHIFT 26 # define R300_FPI1_DSTC_OUTPUT_X (1 << 26) # define R300_FPI1_DSTC_OUTPUT_Y (1 << 27) # define R300_FPI1_DSTC_OUTPUT_Z (1 << 28) @@ -983,6 +1007,7 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_FPI3_DSTA_MASK (31 << 18) # define R300_FPI3_DSTA_REG (1 << 23) # define R300_FPI3_DSTA_OUTPUT (1 << 24) +# define R300_FPI3_DSTA_DEPTH (1 << 27) #define R300_PFS_INSTR0_0 0x48C0 # define R300_FPI0_ARGC_SRC0C_XYZ 0 @@ -1036,7 +1061,7 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_FPI0_OUTC_FRC (9 << 23) # define R300_FPI0_OUTC_REPL_ALPHA (10 << 23) # define R300_FPI0_OUTC_SAT (1 << 30) -# define R300_FPI0_UNKNOWN_31 (1 << 31) +# define R300_FPI0_INSERT_NOP (1 << 31) #define R300_PFS_INSTR2_0 0x49C0 # define R300_FPI2_ARGA_SRC0C_X 0 diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c index 9bb8ae0c1c2..7f949c9c969 100644 --- a/drivers/char/drm/radeon_cp.c +++ b/drivers/char/drm/radeon_cp.c @@ -1118,14 +1118,20 @@ static void radeon_cp_init_ring_buffer(drm_device_t * dev, { u32 ring_start, cur_read_ptr; u32 tmp; - - /* Initialize the memory controller */ - RADEON_WRITE(RADEON_MC_FB_LOCATION, - ((dev_priv->gart_vm_start - 1) & 0xffff0000) - | (dev_priv->fb_location >> 16)); + + /* Initialize the memory controller. With new memory map, the fb location + * is not changed, it should have been properly initialized already. Part + * of the problem is that the code below is bogus, assuming the GART is + * always appended to the fb which is not necessarily the case + */ + if (!dev_priv->new_memmap) + RADEON_WRITE(RADEON_MC_FB_LOCATION, + ((dev_priv->gart_vm_start - 1) & 0xffff0000) + | (dev_priv->fb_location >> 16)); #if __OS_HAS_AGP if (dev_priv->flags & CHIP_IS_AGP) { + RADEON_WRITE(RADEON_AGP_BASE, (unsigned int)dev->agp->base); RADEON_WRITE(RADEON_MC_AGP_LOCATION, (((dev_priv->gart_vm_start - 1 + dev_priv->gart_size) & 0xffff0000) | @@ -1153,8 +1159,6 @@ static void radeon_cp_init_ring_buffer(drm_device_t * dev, #if __OS_HAS_AGP if (dev_priv->flags & CHIP_IS_AGP) { - /* set RADEON_AGP_BASE here instead of relying on X from user space */ - RADEON_WRITE(RADEON_AGP_BASE, (unsigned int)dev->agp->base); RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR, dev_priv->ring_rptr->offset - dev->agp->base + dev_priv->gart_vm_start); @@ -1174,6 +1178,17 @@ static void radeon_cp_init_ring_buffer(drm_device_t * dev, entry->handle + tmp_ofs); } + /* Set ring buffer size */ +#ifdef __BIG_ENDIAN + RADEON_WRITE(RADEON_CP_RB_CNTL, + dev_priv->ring.size_l2qw | RADEON_BUF_SWAP_32BIT); +#else + RADEON_WRITE(RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw); +#endif + + /* Start with assuming that writeback doesn't work */ + dev_priv->writeback_works = 0; + /* Initialize the scratch register pointer. This will cause * the scratch register values to be written out to memory * whenever they are updated. @@ -1190,28 +1205,9 @@ static void radeon_cp_init_ring_buffer(drm_device_t * dev, RADEON_WRITE(RADEON_SCRATCH_UMSK, 0x7); - /* Writeback doesn't seem to work everywhere, test it first */ - DRM_WRITE32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1), 0); - RADEON_WRITE(RADEON_SCRATCH_REG1, 0xdeadbeef); - - for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) { - if (DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1)) == - 0xdeadbeef) - break; - DRM_UDELAY(1); - } - - if (tmp < dev_priv->usec_timeout) { - dev_priv->writeback_works = 1; - DRM_DEBUG("writeback test succeeded, tmp=%d\n", tmp); - } else { - dev_priv->writeback_works = 0; - DRM_DEBUG("writeback test failed\n"); - } - if (radeon_no_wb == 1) { - dev_priv->writeback_works = 0; - DRM_DEBUG("writeback forced off\n"); - } + /* Turn on bus mastering */ + tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS; + RADEON_WRITE(RADEON_BUS_CNTL, tmp); dev_priv->sarea_priv->last_frame = dev_priv->scratch[0] = 0; RADEON_WRITE(RADEON_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame); @@ -1223,26 +1219,45 @@ static void radeon_cp_init_ring_buffer(drm_device_t * dev, dev_priv->sarea_priv->last_clear = dev_priv->scratch[2] = 0; RADEON_WRITE(RADEON_LAST_CLEAR_REG, dev_priv->sarea_priv->last_clear); - /* Set ring buffer size */ -#ifdef __BIG_ENDIAN - RADEON_WRITE(RADEON_CP_RB_CNTL, - dev_priv->ring.size_l2qw | RADEON_BUF_SWAP_32BIT); -#else - RADEON_WRITE(RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw); -#endif - radeon_do_wait_for_idle(dev_priv); - /* Turn on bus mastering */ - tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS; - RADEON_WRITE(RADEON_BUS_CNTL, tmp); - /* Sync everything up */ RADEON_WRITE(RADEON_ISYNC_CNTL, (RADEON_ISYNC_ANY2D_IDLE3D | RADEON_ISYNC_ANY3D_IDLE2D | RADEON_ISYNC_WAIT_IDLEGUI | RADEON_ISYNC_CPSCRATCH_IDLEGUI)); + +} + +static void radeon_test_writeback(drm_radeon_private_t * dev_priv) +{ + u32 tmp; + + /* Writeback doesn't seem to work everywhere, test it here and possibly + * enable it if it appears to work + */ + DRM_WRITE32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1), 0); + RADEON_WRITE(RADEON_SCRATCH_REG1, 0xdeadbeef); + + for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) { + if (DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1)) == + 0xdeadbeef) + break; + DRM_UDELAY(1); + } + + if (tmp < dev_priv->usec_timeout) { + dev_priv->writeback_works = 1; + DRM_INFO("writeback test succeeded in %d usecs\n", tmp); + } else { + dev_priv->writeback_works = 0; + DRM_INFO("writeback test failed\n"); + } + if (radeon_no_wb == 1) { + dev_priv->writeback_works = 0; + DRM_INFO("writeback forced off\n"); + } } /* Enable or disable PCI-E GART on the chip */ @@ -1317,6 +1332,14 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) DRM_DEBUG("\n"); + /* if we require new memory map but we don't have it fail */ + if ((dev_priv->flags & CHIP_NEW_MEMMAP) && !dev_priv->new_memmap) + { + DRM_ERROR("Cannot initialise DRM on this card\nThis card requires a new X.org DDX\n"); + radeon_do_cleanup_cp(dev); + return DRM_ERR(EINVAL); + } + if (init->is_pci && (dev_priv->flags & CHIP_IS_AGP)) { DRM_DEBUG("Forcing AGP card to PCI mode\n"); @@ -1496,6 +1519,9 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) dev_priv->fb_location = (RADEON_READ(RADEON_MC_FB_LOCATION) & 0xffff) << 16; + dev_priv->fb_size = + ((RADEON_READ(RADEON_MC_FB_LOCATION) & 0xffff0000u) + 0x10000) + - dev_priv->fb_location; dev_priv->front_pitch_offset = (((dev_priv->front_pitch / 64) << 22) | ((dev_priv->front_offset @@ -1510,8 +1536,46 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) + dev_priv->fb_location) >> 10)); dev_priv->gart_size = init->gart_size; - dev_priv->gart_vm_start = dev_priv->fb_location - + RADEON_READ(RADEON_CONFIG_APER_SIZE); + + /* New let's set the memory map ... */ + if (dev_priv->new_memmap) { + u32 base = 0; + + DRM_INFO("Setting GART location based on new memory map\n"); + + /* If using AGP, try to locate the AGP aperture at the same + * location in the card and on the bus, though we have to + * align it down. + */ +#if __OS_HAS_AGP + if (dev_priv->flags & CHIP_IS_AGP) { + base = dev->agp->base; + /* Check if valid */ + if ((base + dev_priv->gart_size) > dev_priv->fb_location && + base < (dev_priv->fb_location + dev_priv->fb_size)) { + DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n", + dev->agp->base); + base = 0; + } + } +#endif + /* If not or if AGP is at 0 (Macs), try to put it elsewhere */ + if (base == 0) { + base = dev_priv->fb_location + dev_priv->fb_size; + if (((base + dev_priv->gart_size) & 0xfffffffful) + < base) + base = dev_priv->fb_location + - dev_priv->gart_size; + } + dev_priv->gart_vm_start = base & 0xffc00000u; + if (dev_priv->gart_vm_start != base) + DRM_INFO("GART aligned down from 0x%08x to 0x%08x\n", + base, dev_priv->gart_vm_start); + } else { + DRM_INFO("Setting GART location based on old memory map\n"); + dev_priv->gart_vm_start = dev_priv->fb_location + + RADEON_READ(RADEON_CONFIG_APER_SIZE); + } #if __OS_HAS_AGP if (dev_priv->flags & CHIP_IS_AGP) @@ -1596,6 +1660,7 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) dev_priv->last_buf = 0; radeon_do_engine_reset(dev); + radeon_test_writeback(dev_priv); return 0; } diff --git a/drivers/char/drm/radeon_drm.h b/drivers/char/drm/radeon_drm.h index 9c177a6b2a4..c8e279e89c2 100644 --- a/drivers/char/drm/radeon_drm.h +++ b/drivers/char/drm/radeon_drm.h @@ -222,6 +222,7 @@ typedef union { # define R300_WAIT_3D 0x2 # define R300_WAIT_2D_CLEAN 0x3 # define R300_WAIT_3D_CLEAN 0x4 +#define R300_CMD_SCRATCH 8 typedef union { unsigned int u; @@ -247,6 +248,9 @@ typedef union { struct { unsigned char cmd_type, flags, pad0, pad1; } wait; + struct { + unsigned char cmd_type, reg, n_bufs, flags; + } scratch; } drm_r300_cmd_header_t; #define RADEON_FRONT 0x1 @@ -697,6 +701,7 @@ typedef struct drm_radeon_setparam { #define RADEON_SETPARAM_FB_LOCATION 1 /* determined framebuffer location */ #define RADEON_SETPARAM_SWITCH_TILING 2 /* enable/disable color tiling */ #define RADEON_SETPARAM_PCIGART_LOCATION 3 /* PCI Gart Location */ +#define RADEON_SETPARAM_NEW_MEMMAP 4 /* Use new memory map */ /* 1.14: Clients can allocate/free a surface */ diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h index 1f7d2ab8c4f..78345cee8f8 100644 --- a/drivers/char/drm/radeon_drv.h +++ b/drivers/char/drm/radeon_drv.h @@ -38,7 +38,7 @@ #define DRIVER_NAME "radeon" #define DRIVER_DESC "ATI Radeon" -#define DRIVER_DATE "20051229" +#define DRIVER_DATE "20060225" /* Interface history: * @@ -91,9 +91,11 @@ * 1.20- Add support for r300 texrect * 1.21- Add support for card type getparam * 1.22- Add support for texture cache flushes (R300_TX_CNTL) + * 1.23- Add new radeon memory map work from benh + * 1.24- Add general-purpose packet for manipulating scratch registers (r300) */ #define DRIVER_MAJOR 1 -#define DRIVER_MINOR 22 +#define DRIVER_MINOR 24 #define DRIVER_PATCHLEVEL 0 /* @@ -101,20 +103,21 @@ */ enum radeon_family { CHIP_R100, - CHIP_RS100, CHIP_RV100, + CHIP_RS100, CHIP_RV200, - CHIP_R200, CHIP_RS200, - CHIP_R250, - CHIP_RS250, + CHIP_R200, CHIP_RV250, + CHIP_RS300, CHIP_RV280, CHIP_R300, - CHIP_RS300, CHIP_R350, CHIP_RV350, + CHIP_RV380, CHIP_R420, + CHIP_RV410, + CHIP_RS400, CHIP_LAST, }; @@ -136,9 +139,11 @@ enum radeon_chip_flags { CHIP_IS_AGP = 0x00080000UL, CHIP_HAS_HIERZ = 0x00100000UL, CHIP_IS_PCIE = 0x00200000UL, + CHIP_NEW_MEMMAP = 0x00400000UL, }; -#define GET_RING_HEAD(dev_priv) DRM_READ32( (dev_priv)->ring_rptr, 0 ) +#define GET_RING_HEAD(dev_priv) (dev_priv->writeback_works ? \ + DRM_READ32( (dev_priv)->ring_rptr, 0 ) : RADEON_READ(RADEON_CP_RB_RPTR)) #define SET_RING_HEAD(dev_priv,val) DRM_WRITE32( (dev_priv)->ring_rptr, 0, (val) ) typedef struct drm_radeon_freelist { @@ -199,6 +204,8 @@ typedef struct drm_radeon_private { drm_radeon_sarea_t *sarea_priv; u32 fb_location; + u32 fb_size; + int new_memmap; int gart_size; u32 gart_vm_start; @@ -272,6 +279,8 @@ typedef struct drm_radeon_private { unsigned long pcigart_offset; drm_ati_pcigart_info gart_info; + u32 scratch_ages[5]; + /* starting from here on, data is preserved accross an open */ uint32_t flags; /* see radeon_chip_flags */ } drm_radeon_private_t; diff --git a/drivers/char/drm/radeon_state.c b/drivers/char/drm/radeon_state.c index 7bc27516d42..c5b8f774a59 100644 --- a/drivers/char/drm/radeon_state.c +++ b/drivers/char/drm/radeon_state.c @@ -45,22 +45,53 @@ static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t * u32 off = *offset; struct drm_radeon_driver_file_fields *radeon_priv; - if (off >= dev_priv->fb_location && - off < (dev_priv->gart_vm_start + dev_priv->gart_size)) - return 0; - - radeon_priv = filp_priv->driver_priv; - off += radeon_priv->radeon_fb_delta; + /* Hrm ... the story of the offset ... So this function converts + * the various ideas of what userland clients might have for an + * offset in the card address space into an offset into the card + * address space :) So with a sane client, it should just keep + * the value intact and just do some boundary checking. However, + * not all clients are sane. Some older clients pass us 0 based + * offsets relative to the start of the framebuffer and some may + * assume the AGP aperture it appended to the framebuffer, so we + * try to detect those cases and fix them up. + * + * Note: It might be a good idea here to make sure the offset lands + * in some "allowed" area to protect things like the PCIE GART... + */ - DRM_DEBUG("offset fixed up to 0x%x\n", off); + /* First, the best case, the offset already lands in either the + * framebuffer or the GART mapped space + */ + if ((off >= dev_priv->fb_location && + off < (dev_priv->fb_location + dev_priv->fb_size)) || + (off >= dev_priv->gart_vm_start && + off < (dev_priv->gart_vm_start + dev_priv->gart_size))) + return 0; - if (off < dev_priv->fb_location || - off >= (dev_priv->gart_vm_start + dev_priv->gart_size)) - return DRM_ERR(EINVAL); + /* Ok, that didn't happen... now check if we have a zero based + * offset that fits in the framebuffer + gart space, apply the + * magic offset we get from SETPARAM or calculated from fb_location + */ + if (off < (dev_priv->fb_size + dev_priv->gart_size)) { + radeon_priv = filp_priv->driver_priv; + off += radeon_priv->radeon_fb_delta; + } - *offset = off; + /* Finally, assume we aimed at a GART offset if beyond the fb */ + if (off > (dev_priv->fb_location + dev_priv->fb_size)) + off = off - (dev_priv->fb_location + dev_priv->fb_size) + + dev_priv->gart_vm_start; - return 0; + /* Now recheck and fail if out of bounds */ + if ((off >= dev_priv->fb_location && + off < (dev_priv->fb_location + dev_priv->fb_size)) || + (off >= dev_priv->gart_vm_start && + off < (dev_priv->gart_vm_start + dev_priv->gart_size))) { + DRM_DEBUG("offset fixed up to 0x%x\n", off); + *offset = off; + return 0; + } + return DRM_ERR(EINVAL); } static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t * @@ -1939,11 +1970,6 @@ static int radeon_surface_alloc(DRM_IOCTL_ARGS) drm_radeon_private_t *dev_priv = dev->dev_private; drm_radeon_surface_alloc_t alloc; - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - DRM_COPY_FROM_USER_IOCTL(alloc, (drm_radeon_surface_alloc_t __user *) data, sizeof(alloc)); @@ -1960,12 +1986,7 @@ static int radeon_surface_free(DRM_IOCTL_ARGS) drm_radeon_private_t *dev_priv = dev->dev_private; drm_radeon_surface_free_t memfree; - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - - DRM_COPY_FROM_USER_IOCTL(memfree, (drm_radeon_mem_free_t __user *) data, + DRM_COPY_FROM_USER_IOCTL(memfree, (drm_radeon_surface_free_t __user *) data, sizeof(memfree)); if (free_surface(filp, dev_priv, memfree.address)) @@ -2100,11 +2121,6 @@ static int radeon_cp_vertex(DRM_IOCTL_ARGS) LOCK_TEST_WITH_RETURN(dev, filp); - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - DRM_GET_PRIV_WITH_RETURN(filp_priv, filp); DRM_COPY_FROM_USER_IOCTL(vertex, (drm_radeon_vertex_t __user *) data, @@ -2189,11 +2205,6 @@ static int radeon_cp_indices(DRM_IOCTL_ARGS) LOCK_TEST_WITH_RETURN(dev, filp); - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - DRM_GET_PRIV_WITH_RETURN(filp_priv, filp); DRM_COPY_FROM_USER_IOCTL(elts, (drm_radeon_indices_t __user *) data, @@ -2340,11 +2351,6 @@ static int radeon_cp_indirect(DRM_IOCTL_ARGS) LOCK_TEST_WITH_RETURN(dev, filp); - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - DRM_COPY_FROM_USER_IOCTL(indirect, (drm_radeon_indirect_t __user *) data, sizeof(indirect)); @@ -2417,11 +2423,6 @@ static int radeon_cp_vertex2(DRM_IOCTL_ARGS) LOCK_TEST_WITH_RETURN(dev, filp); - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - DRM_GET_PRIV_WITH_RETURN(filp_priv, filp); DRM_COPY_FROM_USER_IOCTL(vertex, (drm_radeon_vertex2_t __user *) data, @@ -2738,11 +2739,6 @@ static int radeon_cp_cmdbuf(DRM_IOCTL_ARGS) LOCK_TEST_WITH_RETURN(dev, filp); - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - DRM_GET_PRIV_WITH_RETURN(filp_priv, filp); DRM_COPY_FROM_USER_IOCTL(cmdbuf, @@ -2897,11 +2893,6 @@ static int radeon_cp_getparam(DRM_IOCTL_ARGS) drm_radeon_getparam_t param; int value; - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - DRM_COPY_FROM_USER_IOCTL(param, (drm_radeon_getparam_t __user *) data, sizeof(param)); @@ -2981,11 +2972,6 @@ static int radeon_cp_setparam(DRM_IOCTL_ARGS) drm_radeon_setparam_t sp; struct drm_radeon_driver_file_fields *radeon_priv; - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - DRM_GET_PRIV_WITH_RETURN(filp_priv, filp); DRM_COPY_FROM_USER_IOCTL(sp, (drm_radeon_setparam_t __user *) data, @@ -3012,6 +2998,9 @@ static int radeon_cp_setparam(DRM_IOCTL_ARGS) case RADEON_SETPARAM_PCIGART_LOCATION: dev_priv->pcigart_offset = sp.value; break; + case RADEON_SETPARAM_NEW_MEMMAP: + dev_priv->new_memmap = sp.value; + break; default: DRM_DEBUG("Invalid parameter %d\n", sp.param); return DRM_ERR(EINVAL); diff --git a/drivers/char/drm/sis_mm.c b/drivers/char/drm/sis_mm.c index 6774d2fe345..5e9936bc307 100644 --- a/drivers/char/drm/sis_mm.c +++ b/drivers/char/drm/sis_mm.c @@ -110,7 +110,7 @@ static int sis_fb_alloc(DRM_IOCTL_ARGS) DRM_COPY_TO_USER_IOCTL(argp, fb, sizeof(fb)); - DRM_DEBUG("alloc fb, size = %d, offset = %ld\n", fb.size, req.offset); + DRM_DEBUG("alloc fb, size = %d, offset = %d\n", fb.size, req.offset); return retval; } 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/dtlk.c b/drivers/char/dtlk.c index a229915ce1b..87dcaa237f0 100644 --- a/drivers/char/dtlk.c +++ b/drivers/char/dtlk.c @@ -490,7 +490,7 @@ for (i = 0; i < 10; i++) \ release_region(dtlk_portlist[i], DTLK_IO_EXTENT); } - printk(KERN_INFO "\nDoubleTalk PC - not found\n"); + printk(KERN_INFO "DoubleTalk PC - not found\n"); return -ENODEV; } diff --git a/drivers/char/generic_nvram.c b/drivers/char/generic_nvram.c index 1b5e01e6e12..43ff5981651 100644 --- a/drivers/char/generic_nvram.c +++ b/drivers/char/generic_nvram.c @@ -22,6 +22,9 @@ #include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/nvram.h> +#ifdef CONFIG_PPC_PMAC +#include <asm/machdep.h> +#endif #define NVRAM_SIZE 8192 @@ -92,7 +95,7 @@ static int nvram_ioctl(struct inode *inode, struct file *file, case IOC_NVRAM_GET_OFFSET: { int part, offset; - if (_machine != _MACH_Pmac) + if (!machine_is(powermac)) return -EINVAL; if (copy_from_user(&part, (void __user*)arg, sizeof(part)) != 0) return -EFAULT; diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index f65b2e14a48..2b6a56b2bf3 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -39,8 +39,10 @@ #include <linux/sched.h> #include <linux/spinlock.h> #include <linux/delay.h> + #include <asm/uaccess.h> -#include <asm/hvconsole.h> + +#include "hvc_console.h" #define HVC_MAJOR 229 #define HVC_MINOR 0 @@ -54,17 +56,14 @@ #define HVC_CLOSE_WAIT (HZ/100) /* 1/10 of a second */ /* - * The Linux TTY code does not support dynamic addition of tty derived devices - * so we need to know how many tty devices we might need when space is allocated - * for the tty device. Since this driver supports hotplug of vty adapters we - * need to make sure we have enough allocated. + * These sizes are most efficient for vio, because they are the + * native transfer size. We could make them selectable in the + * future to better deal with backends that want other buffer sizes. */ -#define HVC_ALLOC_TTY_ADAPTERS 8 - #define N_OUTBUF 16 #define N_INBUF 16 -#define __ALIGNED__ __attribute__((__aligned__(8))) +#define __ALIGNED__ __attribute__((__aligned__(sizeof(long)))) static struct tty_driver *hvc_driver; static struct task_struct *hvc_task; @@ -154,7 +153,7 @@ static uint32_t vtermnos[MAX_NR_HVC_CONSOLES] = void hvc_console_print(struct console *co, const char *b, unsigned count) { - char c[16] __ALIGNED__; + char c[N_OUTBUF] __ALIGNED__; unsigned i = 0, n = 0; int r, donecr = 0, index = co->index; @@ -473,8 +472,10 @@ static void hvc_push(struct hvc_struct *hp) n = hp->ops->put_chars(hp->vtermno, hp->outbuf, hp->n_outbuf); if (n <= 0) { - if (n == 0) + if (n == 0) { + hp->do_wakeup = 1; return; + } /* throw away output on error; this happens when there is no session connected to the vterm. */ hp->n_outbuf = 0; @@ -486,12 +487,19 @@ static void hvc_push(struct hvc_struct *hp) hp->do_wakeup = 1; } -static inline int __hvc_write_kernel(struct hvc_struct *hp, - const unsigned char *buf, int count) +static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count) { + struct hvc_struct *hp = tty->driver_data; unsigned long flags; int rsize, written = 0; + /* This write was probably executed during a tty close. */ + if (!hp) + return -EPIPE; + + if (hp->count <= 0) + return -EIO; + spin_lock_irqsave(&hp->lock, flags); /* Push pending writes */ @@ -510,26 +518,8 @@ static inline int __hvc_write_kernel(struct hvc_struct *hp, } spin_unlock_irqrestore(&hp->lock, flags); - return written; -} -static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count) -{ - struct hvc_struct *hp = tty->driver_data; - int written; - - /* This write was probably executed during a tty close. */ - if (!hp) - return -EPIPE; - - if (hp->count <= 0) - return -EIO; - - written = __hvc_write_kernel(hp, buf, count); - /* * Racy, but harmless, kick thread if there is still pending data. - * There really is nothing wrong with kicking the thread, even if there - * is no buffered data. */ if (hp->n_outbuf) hvc_kick(); @@ -614,6 +604,13 @@ static int hvc_poll(struct hvc_struct *hp) spin_unlock_irqrestore(&hp->lock, flags); tty_hangup(tty); spin_lock_irqsave(&hp->lock, flags); + } else if ( n == -EAGAIN ) { + /* + * Some back-ends can only ensure a certain min + * num of bytes read, which may be > 'count'. + * Let the tty clear the flip buff to make room. + */ + poll_mask |= HVC_POLL_READ; } break; } @@ -635,16 +632,7 @@ static int hvc_poll(struct hvc_struct *hp) tty_insert_flip_char(tty, buf[i], 0); } - /* - * Account for the total amount read in one loop, and if above - * 64 bytes, we do a quick schedule loop to let the tty grok - * the data and eventually throttle us. - */ read_total += n; - if (read_total >= 64) { - poll_mask |= HVC_POLL_QUICK; - break; - } } throttled: /* Wakeup write queue if necessary */ @@ -767,7 +755,8 @@ struct hvc_struct __devinit *hvc_alloc(uint32_t vtermno, int irq, * see if this vterm id matches one registered for console. */ for (i=0; i < MAX_NR_HVC_CONSOLES; i++) - if (vtermnos[i] == hp->vtermno) + if (vtermnos[i] == hp->vtermno && + cons_ops[i] == hp->ops) break; /* no matching slot, just use a counter */ @@ -823,34 +812,38 @@ EXPORT_SYMBOL(hvc_remove); * interfaces start to become available. */ int __init hvc_init(void) { + struct tty_driver *drv; + /* We need more than hvc_count adapters due to hotplug additions. */ - hvc_driver = alloc_tty_driver(HVC_ALLOC_TTY_ADAPTERS); - if (!hvc_driver) + drv = alloc_tty_driver(HVC_ALLOC_TTY_ADAPTERS); + if (!drv) return -ENOMEM; - hvc_driver->owner = THIS_MODULE; - hvc_driver->devfs_name = "hvc/"; - hvc_driver->driver_name = "hvc"; - hvc_driver->name = "hvc"; - hvc_driver->major = HVC_MAJOR; - hvc_driver->minor_start = HVC_MINOR; - hvc_driver->type = TTY_DRIVER_TYPE_SYSTEM; - hvc_driver->init_termios = tty_std_termios; - hvc_driver->flags = TTY_DRIVER_REAL_RAW; - tty_set_operations(hvc_driver, &hvc_ops); + drv->owner = THIS_MODULE; + drv->devfs_name = "hvc/"; + drv->driver_name = "hvc"; + drv->name = "hvc"; + drv->major = HVC_MAJOR; + drv->minor_start = HVC_MINOR; + drv->type = TTY_DRIVER_TYPE_SYSTEM; + drv->init_termios = tty_std_termios; + drv->flags = TTY_DRIVER_REAL_RAW; + tty_set_operations(drv, &hvc_ops); /* Always start the kthread because there can be hotplug vty adapters * added later. */ hvc_task = kthread_run(khvcd, NULL, "khvcd"); if (IS_ERR(hvc_task)) { panic("Couldn't create kthread for console.\n"); - put_tty_driver(hvc_driver); + put_tty_driver(drv); return -EIO; } - if (tty_register_driver(hvc_driver)) + if (tty_register_driver(drv)) panic("Couldn't register hvc console driver\n"); + mb(); + hvc_driver = drv; return 0; } module_init(hvc_init); diff --git a/drivers/char/hvc_console.h b/drivers/char/hvc_console.h new file mode 100644 index 00000000000..96b7401319c --- /dev/null +++ b/drivers/char/hvc_console.h @@ -0,0 +1,63 @@ +/* + * hvc_console.h + * Copyright (C) 2005 IBM Corporation + * + * Author(s): + * Ryan S. Arnold <rsa@us.ibm.com> + * + * hvc_console header information: + * moved here from include/asm-powerpc/hvconsole.h + * and drivers/char/hvc_console.c + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef HVC_CONSOLE_H +#define HVC_CONSOLE_H + +/* + * This is the max number of console adapters that can/will be found as + * console devices on first stage console init. Any number beyond this range + * can't be used as a console device but is still a valid tty device. + */ +#define MAX_NR_HVC_CONSOLES 16 + +/* + * The Linux TTY code does not support dynamic addition of tty derived devices + * so we need to know how many tty devices we might need when space is allocated + * for the tty device. Since this driver supports hotplug of vty adapters we + * need to make sure we have enough allocated. + */ +#define HVC_ALLOC_TTY_ADAPTERS 8 + + +/* implemented by a low level driver */ +struct hv_ops { + int (*get_chars)(uint32_t vtermno, char *buf, int count); + int (*put_chars)(uint32_t vtermno, const char *buf, int count); +}; + +struct hvc_struct; + +/* Register a vterm and a slot index for use as a console (console_init) */ +extern int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops); + +/* register a vterm for hvc tty operation (module_init or hotplug add) */ +extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int irq, + struct hv_ops *ops); +/* remove a vterm from hvc tty operation (modele_exit or hotplug remove) */ +extern int __devexit hvc_remove(struct hvc_struct *hp); + +#endif // HVC_CONSOLE_H diff --git a/drivers/char/hvc_rtas.c b/drivers/char/hvc_rtas.c new file mode 100644 index 00000000000..83364ea63cb --- /dev/null +++ b/drivers/char/hvc_rtas.c @@ -0,0 +1,138 @@ +/* + * IBM RTAS driver interface to hvc_console.c + * + * (C) Copyright IBM Corporation 2001-2005 + * (C) Copyright Red Hat, Inc. 2005 + * + * Author(s): Maximino Augilar <IBM STI Design Center> + * : Ryan S. Arnold <rsa@us.ibm.com> + * : Utz Bacher <utz.bacher@de.ibm.com> + * : David Woodhouse <dwmw2@infradead.org> + * + * inspired by drivers/char/hvc_console.c + * written by Anton Blanchard and Paul Mackerras + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/console.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/moduleparam.h> +#include <linux/types.h> + +#include <asm/irq.h> +#include <asm/rtas.h> +#include "hvc_console.h" + +#define hvc_rtas_cookie 0x67781e15 +struct hvc_struct *hvc_rtas_dev; + +#define RTASCONS_PUT_ATTEMPTS 16 + +static int rtascons_put_char_token = RTAS_UNKNOWN_SERVICE; +static int rtascons_get_char_token = RTAS_UNKNOWN_SERVICE; +static int rtascons_put_delay = 100; +module_param_named(put_delay, rtascons_put_delay, int, 0644); + +static inline int hvc_rtas_write_console(uint32_t vtermno, const char *buf, int count) +{ + int done; + + /* if there is more than one character to be displayed, wait a bit */ + for (done = 0; done < count; done++) { + int result; + result = rtas_call(rtascons_put_char_token, 1, 1, NULL, buf[done]); + if (result) + break; + } + /* the calling routine expects to receive the number of bytes sent */ + return done; +} + +static int hvc_rtas_read_console(uint32_t vtermno, char *buf, int count) +{ + int i; + + for (i = 0; i < count; i++) { + int c, err; + + err = rtas_call(rtascons_get_char_token, 0, 2, &c); + if (err) + break; + + buf[i] = c; + } + + return i; +} + +static struct hv_ops hvc_rtas_get_put_ops = { + .get_chars = hvc_rtas_read_console, + .put_chars = hvc_rtas_write_console, +}; + +static int hvc_rtas_init(void) +{ + struct hvc_struct *hp; + + if (rtascons_put_char_token == RTAS_UNKNOWN_SERVICE) + rtascons_put_char_token = rtas_token("put-term-char"); + if (rtascons_put_char_token == RTAS_UNKNOWN_SERVICE) + return -EIO; + + if (rtascons_get_char_token == RTAS_UNKNOWN_SERVICE) + rtascons_get_char_token = rtas_token("get-term-char"); + if (rtascons_get_char_token == RTAS_UNKNOWN_SERVICE) + return -EIO; + + BUG_ON(hvc_rtas_dev); + + /* Allocate an hvc_struct for the console device we instantiated + * earlier. Save off hp so that we can return it on exit */ + hp = hvc_alloc(hvc_rtas_cookie, NO_IRQ, &hvc_rtas_get_put_ops); + if (IS_ERR(hp)) + return PTR_ERR(hp); + hvc_rtas_dev = hp; + return 0; +} +module_init(hvc_rtas_init); + +/* This will tear down the tty portion of the driver */ +static void __exit hvc_rtas_exit(void) +{ + /* Really the fun isn't over until the worker thread breaks down and the + * tty cleans up */ + if (hvc_rtas_dev) + hvc_remove(hvc_rtas_dev); +} +module_exit(hvc_rtas_exit); + +/* This will happen prior to module init. There is no tty at this time? */ +static int hvc_rtas_console_init(void) +{ + rtascons_put_char_token = rtas_token("put-term-char"); + if (rtascons_put_char_token == RTAS_UNKNOWN_SERVICE) + return -EIO; + rtascons_get_char_token = rtas_token("get-term-char"); + if (rtascons_get_char_token == RTAS_UNKNOWN_SERVICE) + return -EIO; + + hvc_instantiate(hvc_rtas_cookie, 0, &hvc_rtas_get_put_ops ); + add_preferred_console("hvc", 0, NULL); + return 0; +} +console_initcall(hvc_rtas_console_init); diff --git a/drivers/char/hvc_vio.c b/drivers/char/hvc_vio.c index f5212eb2b41..9add81ceb44 100644 --- a/drivers/char/hvc_vio.c +++ b/drivers/char/hvc_vio.c @@ -31,10 +31,13 @@ #include <linux/types.h> #include <linux/init.h> + #include <asm/hvconsole.h> #include <asm/vio.h> #include <asm/prom.h> +#include "hvc_console.h" + char hvc_driver_name[] = "hvc_console"; static struct vio_device_id hvc_driver_table[] __devinitdata = { @@ -48,6 +51,14 @@ static int filtered_get_chars(uint32_t vtermno, char *buf, int count) unsigned long got; int i; + /* + * Vio firmware will read up to SIZE_VIO_GET_CHARS at its own discretion + * so we play safe and avoid the situation where got > count which could + * overload the flip buffer. + */ + if (count < SIZE_VIO_GET_CHARS) + return -EAGAIN; + got = hvc_get_chars(vtermno, buf, count); /* diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c index f7ac3185657..8d97b391129 100644 --- a/drivers/char/hvcs.c +++ b/drivers/char/hvcs.c @@ -439,7 +439,6 @@ static int hvcs_io(struct hvcs_struct *hvcsd) char buf[HVCS_BUFF_LEN] __ALIGNED__; unsigned long flags; int got = 0; - int i; spin_lock_irqsave(&hvcsd->lock, flags); @@ -905,7 +904,7 @@ static int hvcs_enable_device(struct hvcs_struct *hvcsd, uint32_t unit_address, * It is possible the vty-server was removed after the irq was * requested but before we have time to enable interrupts. */ - if (vio_enable_interrupts(vdev) == H_Success) + if (vio_enable_interrupts(vdev) == H_SUCCESS) return 0; else { printk(KERN_ERR "HVCS: int enable failed for" diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c index 932feedda26..e1c95374984 100644 --- a/drivers/char/ipmi/ipmi_devintf.c +++ b/drivers/char/ipmi/ipmi_devintf.c @@ -42,7 +42,7 @@ #include <linux/slab.h> #include <linux/devfs_fs_kernel.h> #include <linux/ipmi.h> -#include <asm/semaphore.h> +#include <linux/mutex.h> #include <linux/init.h> #include <linux/device.h> #include <linux/compat.h> @@ -55,7 +55,7 @@ struct ipmi_file_private struct file *file; struct fasync_struct *fasync_queue; wait_queue_head_t wait; - struct semaphore recv_sem; + struct mutex recv_mutex; int default_retries; unsigned int default_retry_time_ms; }; @@ -141,7 +141,7 @@ static int ipmi_open(struct inode *inode, struct file *file) INIT_LIST_HEAD(&(priv->recv_msgs)); init_waitqueue_head(&priv->wait); priv->fasync_queue = NULL; - sema_init(&(priv->recv_sem), 1); + mutex_init(&priv->recv_mutex); /* Use the low-level defaults. */ priv->default_retries = -1; @@ -285,15 +285,15 @@ static int ipmi_ioctl(struct inode *inode, break; } - /* We claim a semaphore because we don't want two + /* We claim a mutex because we don't want two users getting something from the queue at a time. Since we have to release the spinlock before we can copy the data to the user, it's possible another user will grab something from the queue, too. Then the messages might get out of order if something fails and the message gets put back onto the - queue. This semaphore prevents that problem. */ - down(&(priv->recv_sem)); + queue. This mutex prevents that problem. */ + mutex_lock(&priv->recv_mutex); /* Grab the message off the list. */ spin_lock_irqsave(&(priv->recv_msg_lock), flags); @@ -352,7 +352,7 @@ static int ipmi_ioctl(struct inode *inode, goto recv_putback_on_err; } - up(&(priv->recv_sem)); + mutex_unlock(&priv->recv_mutex); ipmi_free_recv_msg(msg); break; @@ -362,11 +362,11 @@ static int ipmi_ioctl(struct inode *inode, spin_lock_irqsave(&(priv->recv_msg_lock), flags); list_add(entry, &(priv->recv_msgs)); spin_unlock_irqrestore(&(priv->recv_msg_lock), flags); - up(&(priv->recv_sem)); + mutex_unlock(&priv->recv_mutex); break; recv_err: - up(&(priv->recv_sem)); + mutex_unlock(&priv->recv_mutex); break; } diff --git a/drivers/char/ipmi/ipmi_kcs_sm.c b/drivers/char/ipmi/ipmi_kcs_sm.c index da1554194d3..2062675f9e9 100644 --- a/drivers/char/ipmi/ipmi_kcs_sm.c +++ b/drivers/char/ipmi/ipmi_kcs_sm.c @@ -227,7 +227,7 @@ static inline int check_ibf(struct si_sm_data *kcs, unsigned char status, static inline int check_obf(struct si_sm_data *kcs, unsigned char status, long time) { - if (! GET_STATUS_OBF(status)) { + if (!GET_STATUS_OBF(status)) { kcs->obf_timeout -= time; if (kcs->obf_timeout < 0) { start_error_recovery(kcs, "OBF not ready in time"); @@ -407,7 +407,7 @@ static enum si_sm_result kcs_event(struct si_sm_data *kcs, long time) } if (state == KCS_READ_STATE) { - if (! check_obf(kcs, status, time)) + if (!check_obf(kcs, status, time)) return SI_SM_CALL_WITH_DELAY; read_next_byte(kcs); } else { @@ -447,7 +447,7 @@ static enum si_sm_result kcs_event(struct si_sm_data *kcs, long time) "Not in read state for error2"); break; } - if (! check_obf(kcs, status, time)) + if (!check_obf(kcs, status, time)) return SI_SM_CALL_WITH_DELAY; clear_obf(kcs, status); @@ -462,7 +462,7 @@ static enum si_sm_result kcs_event(struct si_sm_data *kcs, long time) break; } - if (! check_obf(kcs, status, time)) + if (!check_obf(kcs, status, time)) return SI_SM_CALL_WITH_DELAY; clear_obf(kcs, status); diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index 40eb005b9d7..9f2f8fdec69 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -38,6 +38,7 @@ #include <linux/sched.h> #include <linux/poll.h> #include <linux/spinlock.h> +#include <linux/mutex.h> #include <linux/slab.h> #include <linux/ipmi.h> #include <linux/ipmi_smi.h> @@ -234,7 +235,7 @@ struct ipmi_smi /* The list of command receivers that are registered for commands on this interface. */ - struct semaphore cmd_rcvrs_lock; + struct mutex cmd_rcvrs_mutex; struct list_head cmd_rcvrs; /* Events that were queues because no one was there to receive @@ -387,10 +388,10 @@ static void clean_up_interface_data(ipmi_smi_t intf) /* Wholesale remove all the entries from the list in the * interface and wait for RCU to know that none are in use. */ - down(&intf->cmd_rcvrs_lock); + mutex_lock(&intf->cmd_rcvrs_mutex); list_add_rcu(&list, &intf->cmd_rcvrs); list_del_rcu(&intf->cmd_rcvrs); - up(&intf->cmd_rcvrs_lock); + mutex_unlock(&intf->cmd_rcvrs_mutex); synchronize_rcu(); list_for_each_entry_safe(rcvr, rcvr2, &list, link) @@ -557,7 +558,7 @@ unsigned int ipmi_addr_length(int addr_type) static void deliver_response(struct ipmi_recv_msg *msg) { - if (! msg->user) { + if (!msg->user) { ipmi_smi_t intf = msg->user_msg_data; unsigned long flags; @@ -598,11 +599,11 @@ static int intf_next_seq(ipmi_smi_t intf, (i+1)%IPMI_IPMB_NUM_SEQ != intf->curr_seq; i = (i+1)%IPMI_IPMB_NUM_SEQ) { - if (! intf->seq_table[i].inuse) + if (!intf->seq_table[i].inuse) break; } - if (! intf->seq_table[i].inuse) { + if (!intf->seq_table[i].inuse) { intf->seq_table[i].recv_msg = recv_msg; /* Start with the maximum timeout, when the send response @@ -763,7 +764,7 @@ int ipmi_create_user(unsigned int if_num, } new_user = kmalloc(sizeof(*new_user), GFP_KERNEL); - if (! new_user) + if (!new_user) return -ENOMEM; spin_lock_irqsave(&interfaces_lock, flags); @@ -819,14 +820,13 @@ static void free_user(struct kref *ref) int ipmi_destroy_user(ipmi_user_t user) { - int rv = -ENODEV; ipmi_smi_t intf = user->intf; int i; unsigned long flags; struct cmd_rcvr *rcvr; struct cmd_rcvr *rcvrs = NULL; - user->valid = 1; + user->valid = 0; /* Remove the user from the interface's sequence table. */ spin_lock_irqsave(&intf->seq_lock, flags); @@ -847,7 +847,7 @@ int ipmi_destroy_user(ipmi_user_t user) * since other things may be using it till we do * synchronize_rcu()) then free everything in that list. */ - down(&intf->cmd_rcvrs_lock); + mutex_lock(&intf->cmd_rcvrs_mutex); list_for_each_entry_rcu(rcvr, &intf->cmd_rcvrs, link) { if (rcvr->user == user) { list_del_rcu(&rcvr->link); @@ -855,7 +855,7 @@ int ipmi_destroy_user(ipmi_user_t user) rcvrs = rcvr; } } - up(&intf->cmd_rcvrs_lock); + mutex_unlock(&intf->cmd_rcvrs_mutex); synchronize_rcu(); while (rcvrs) { rcvr = rcvrs; @@ -871,7 +871,7 @@ int ipmi_destroy_user(ipmi_user_t user) kref_put(&user->refcount, free_user); - return rv; + return 0; } void ipmi_get_version(ipmi_user_t user, @@ -936,10 +936,12 @@ int ipmi_set_gets_events(ipmi_user_t user, int val) if (val) { /* Deliver any queued events. */ - list_for_each_entry_safe(msg, msg2, &intf->waiting_events, link) { + list_for_each_entry_safe(msg, msg2, &intf->waiting_events, + link) { list_del(&msg->link); list_add_tail(&msg->link, &msgs); } + intf->waiting_events_count = 0; } /* Hold the events lock while doing this to preserve order. */ @@ -978,13 +980,13 @@ int ipmi_register_for_cmd(ipmi_user_t user, rcvr = kmalloc(sizeof(*rcvr), GFP_KERNEL); - if (! rcvr) + if (!rcvr) return -ENOMEM; rcvr->cmd = cmd; rcvr->netfn = netfn; rcvr->user = user; - down(&intf->cmd_rcvrs_lock); + mutex_lock(&intf->cmd_rcvrs_mutex); /* Make sure the command/netfn is not already registered. */ entry = find_cmd_rcvr(intf, netfn, cmd); if (entry) { @@ -995,7 +997,7 @@ int ipmi_register_for_cmd(ipmi_user_t user, list_add_rcu(&rcvr->link, &intf->cmd_rcvrs); out_unlock: - up(&intf->cmd_rcvrs_lock); + mutex_unlock(&intf->cmd_rcvrs_mutex); if (rv) kfree(rcvr); @@ -1009,17 +1011,17 @@ int ipmi_unregister_for_cmd(ipmi_user_t user, ipmi_smi_t intf = user->intf; struct cmd_rcvr *rcvr; - down(&intf->cmd_rcvrs_lock); + mutex_lock(&intf->cmd_rcvrs_mutex); /* Make sure the command/netfn is not already registered. */ rcvr = find_cmd_rcvr(intf, netfn, cmd); if ((rcvr) && (rcvr->user == user)) { list_del_rcu(&rcvr->link); - up(&intf->cmd_rcvrs_lock); + mutex_unlock(&intf->cmd_rcvrs_mutex); synchronize_rcu(); kfree(rcvr); return 0; } else { - up(&intf->cmd_rcvrs_lock); + mutex_unlock(&intf->cmd_rcvrs_mutex); return -ENOENT; } } @@ -1514,7 +1516,7 @@ int ipmi_request_settime(ipmi_user_t user, unsigned char saddr, lun; int rv; - if (! user) + if (!user) return -EINVAL; rv = check_addr(user->intf, addr, &saddr, &lun); if (rv) @@ -1545,7 +1547,7 @@ int ipmi_request_supply_msgs(ipmi_user_t user, unsigned char saddr, lun; int rv; - if (! user) + if (!user) return -EINVAL; rv = check_addr(user->intf, addr, &saddr, &lun); if (rv) @@ -1570,7 +1572,7 @@ static int ipmb_file_read_proc(char *page, char **start, off_t off, char *out = (char *) page; ipmi_smi_t intf = data; int i; - int rv= 0; + int rv = 0; for (i = 0; i < IPMI_MAX_CHANNELS; i++) rv += sprintf(out+rv, "%x ", intf->channels[i].address); @@ -1989,7 +1991,7 @@ static int ipmi_bmc_register(ipmi_smi_t intf) } else { bmc->dev = platform_device_alloc("ipmi_bmc", bmc->id.device_id); - if (! bmc->dev) { + if (!bmc->dev) { printk(KERN_ERR "ipmi_msghandler:" " Unable to allocate platform device\n"); @@ -2305,8 +2307,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, void *send_info, struct ipmi_device_id *device_id, struct device *si_dev, - unsigned char slave_addr, - ipmi_smi_t *new_intf) + unsigned char slave_addr) { int i, j; int rv; @@ -2366,7 +2367,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, spin_lock_init(&intf->events_lock); INIT_LIST_HEAD(&intf->waiting_events); intf->waiting_events_count = 0; - init_MUTEX(&intf->cmd_rcvrs_lock); + mutex_init(&intf->cmd_rcvrs_mutex); INIT_LIST_HEAD(&intf->cmd_rcvrs); init_waitqueue_head(&intf->waitq); @@ -2388,9 +2389,9 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, if (rv) goto out; - /* FIXME - this is an ugly kludge, this sets the intf for the - caller before sending any messages with it. */ - *new_intf = intf; + rv = handlers->start_processing(send_info, intf); + if (rv) + goto out; get_guid(intf); @@ -2622,7 +2623,7 @@ static int handle_ipmb_get_msg_cmd(ipmi_smi_t intf, spin_unlock_irqrestore(&intf->counter_lock, flags); recv_msg = ipmi_alloc_recv_msg(); - if (! recv_msg) { + if (!recv_msg) { /* We couldn't allocate memory for the message, so requeue it for handling later. */ @@ -2777,7 +2778,7 @@ static int handle_lan_get_msg_cmd(ipmi_smi_t intf, spin_unlock_irqrestore(&intf->counter_lock, flags); recv_msg = ipmi_alloc_recv_msg(); - if (! recv_msg) { + if (!recv_msg) { /* We couldn't allocate memory for the message, so requeue it for handling later. */ @@ -2869,13 +2870,14 @@ static int handle_read_event_rsp(ipmi_smi_t intf, events. */ rcu_read_lock(); list_for_each_entry_rcu(user, &intf->users, link) { - if (! user->gets_events) + if (!user->gets_events) continue; recv_msg = ipmi_alloc_recv_msg(); - if (! recv_msg) { + if (!recv_msg) { rcu_read_unlock(); - list_for_each_entry_safe(recv_msg, recv_msg2, &msgs, link) { + list_for_each_entry_safe(recv_msg, recv_msg2, &msgs, + link) { list_del(&recv_msg->link); ipmi_free_recv_msg(recv_msg); } @@ -2905,7 +2907,7 @@ static int handle_read_event_rsp(ipmi_smi_t intf, /* No one to receive the message, put it in queue if there's not already too many things in the queue. */ recv_msg = ipmi_alloc_recv_msg(); - if (! recv_msg) { + if (!recv_msg) { /* We couldn't allocate memory for the message, so requeue it for handling later. */ @@ -2915,6 +2917,7 @@ static int handle_read_event_rsp(ipmi_smi_t intf, copy_event_into_recv_msg(recv_msg, msg); list_add_tail(&(recv_msg->link), &(intf->waiting_events)); + intf->waiting_events_count++; } else { /* There's too many things in the queue, discard this message. */ @@ -3190,7 +3193,7 @@ void ipmi_smi_watchdog_pretimeout(ipmi_smi_t intf) rcu_read_lock(); list_for_each_entry_rcu(user, &intf->users, link) { - if (! user->handler->ipmi_watchdog_pretimeout) + if (!user->handler->ipmi_watchdog_pretimeout) continue; user->handler->ipmi_watchdog_pretimeout(user->handler_data); @@ -3278,7 +3281,7 @@ static void check_msg_timeout(ipmi_smi_t intf, struct seq_table *ent, smi_msg = smi_from_recv_msg(intf, ent->recv_msg, slot, ent->seqid); - if (! smi_msg) + if (!smi_msg) return; spin_unlock_irqrestore(&intf->seq_lock, *flags); @@ -3314,8 +3317,9 @@ static void ipmi_timeout_handler(long timeout_period) /* See if any waiting messages need to be processed. */ spin_lock_irqsave(&intf->waiting_msgs_lock, flags); - list_for_each_entry_safe(smi_msg, smi_msg2, &intf->waiting_msgs, link) { - if (! handle_new_recv_msg(intf, smi_msg)) { + list_for_each_entry_safe(smi_msg, smi_msg2, + &intf->waiting_msgs, link) { + if (!handle_new_recv_msg(intf, smi_msg)) { list_del(&smi_msg->link); ipmi_free_smi_msg(smi_msg); } else { diff --git a/drivers/char/ipmi/ipmi_poweroff.c b/drivers/char/ipmi/ipmi_poweroff.c index 786a2802ca3..d0b5c08e7b4 100644 --- a/drivers/char/ipmi/ipmi_poweroff.c +++ b/drivers/char/ipmi/ipmi_poweroff.c @@ -346,7 +346,7 @@ static int ipmi_dell_chassis_detect (ipmi_user_t user) { const char ipmi_version_major = ipmi_version & 0xF; const char ipmi_version_minor = (ipmi_version >> 4) & 0xF; - const char mfr[3]=DELL_IANA_MFR_ID; + const char mfr[3] = DELL_IANA_MFR_ID; if (!memcmp(mfr, &mfg_id, sizeof(mfr)) && ipmi_version_major <= 1 && ipmi_version_minor < 5) diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 35fbd4d8ed4..a86c0f29953 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -803,7 +803,7 @@ static int ipmi_thread(void *data) set_user_nice(current, 19); while (!kthread_should_stop()) { spin_lock_irqsave(&(smi_info->si_lock), flags); - smi_result=smi_event_handler(smi_info, 0); + smi_result = smi_event_handler(smi_info, 0); spin_unlock_irqrestore(&(smi_info->si_lock), flags); if (smi_result == SI_SM_CALL_WITHOUT_DELAY) { /* do nothing */ @@ -972,10 +972,37 @@ static irqreturn_t si_bt_irq_handler(int irq, void *data, struct pt_regs *regs) return si_irq_handler(irq, data, regs); } +static int smi_start_processing(void *send_info, + ipmi_smi_t intf) +{ + struct smi_info *new_smi = send_info; + + new_smi->intf = intf; + + /* Set up the timer that drives the interface. */ + setup_timer(&new_smi->si_timer, smi_timeout, (long)new_smi); + new_smi->last_timeout_jiffies = jiffies; + mod_timer(&new_smi->si_timer, jiffies + SI_TIMEOUT_JIFFIES); + + if (new_smi->si_type != SI_BT) { + new_smi->thread = kthread_run(ipmi_thread, new_smi, + "kipmi%d", new_smi->intf_num); + if (IS_ERR(new_smi->thread)) { + printk(KERN_NOTICE "ipmi_si_intf: Could not start" + " kernel thread due to error %ld, only using" + " timers to drive the interface\n", + PTR_ERR(new_smi->thread)); + new_smi->thread = NULL; + } + } + + return 0; +} static struct ipmi_smi_handlers handlers = { .owner = THIS_MODULE, + .start_processing = smi_start_processing, .sender = sender, .request_events = request_events, .set_run_to_completion = set_run_to_completion, @@ -987,7 +1014,7 @@ static struct ipmi_smi_handlers handlers = #define SI_MAX_PARMS 4 static LIST_HEAD(smi_infos); -static DECLARE_MUTEX(smi_infos_lock); +static DEFINE_MUTEX(smi_infos_lock); static int smi_num; /* Used to sequence the SMIs */ #define DEFAULT_REGSPACING 1 @@ -2162,9 +2189,13 @@ static void setup_xaction_handlers(struct smi_info *smi_info) static inline void wait_for_timer_and_thread(struct smi_info *smi_info) { - if (smi_info->thread != NULL && smi_info->thread != ERR_PTR(-ENOMEM)) - kthread_stop(smi_info->thread); - del_timer_sync(&smi_info->si_timer); + if (smi_info->intf) { + /* The timer and thread are only running if the + interface has been started up and registered. */ + if (smi_info->thread != NULL) + kthread_stop(smi_info->thread); + del_timer_sync(&smi_info->si_timer); + } } static struct ipmi_default_vals @@ -2245,7 +2276,7 @@ static int try_smi_init(struct smi_info *new_smi) new_smi->slave_addr, new_smi->irq); } - down(&smi_infos_lock); + mutex_lock(&smi_infos_lock); if (!is_new_interface(new_smi)) { printk(KERN_WARNING "ipmi_si: duplicate interface\n"); rv = -EBUSY; @@ -2341,21 +2372,6 @@ static int try_smi_init(struct smi_info *new_smi) if (new_smi->irq) new_smi->si_state = SI_CLEARING_FLAGS_THEN_SET_IRQ; - /* The ipmi_register_smi() code does some operations to - determine the channel information, so we must be ready to - handle operations before it is called. This means we have - to stop the timer if we get an error after this point. */ - init_timer(&(new_smi->si_timer)); - new_smi->si_timer.data = (long) new_smi; - new_smi->si_timer.function = smi_timeout; - new_smi->last_timeout_jiffies = jiffies; - new_smi->si_timer.expires = jiffies + SI_TIMEOUT_JIFFIES; - - add_timer(&(new_smi->si_timer)); - if (new_smi->si_type != SI_BT) - new_smi->thread = kthread_run(ipmi_thread, new_smi, - "kipmi%d", new_smi->intf_num); - if (!new_smi->dev) { /* If we don't already have a device from something * else (like PCI), then register a new one. */ @@ -2365,7 +2381,7 @@ static int try_smi_init(struct smi_info *new_smi) printk(KERN_ERR "ipmi_si_intf:" " Unable to allocate platform device\n"); - goto out_err_stop_timer; + goto out_err; } new_smi->dev = &new_smi->pdev->dev; new_smi->dev->driver = &ipmi_driver; @@ -2377,7 +2393,7 @@ static int try_smi_init(struct smi_info *new_smi) " Unable to register system interface device:" " %d\n", rv); - goto out_err_stop_timer; + goto out_err; } new_smi->dev_registered = 1; } @@ -2386,8 +2402,7 @@ static int try_smi_init(struct smi_info *new_smi) new_smi, &new_smi->device_id, new_smi->dev, - new_smi->slave_addr, - &(new_smi->intf)); + new_smi->slave_addr); if (rv) { printk(KERN_ERR "ipmi_si: Unable to register device: error %d\n", @@ -2417,7 +2432,7 @@ static int try_smi_init(struct smi_info *new_smi) list_add_tail(&new_smi->link, &smi_infos); - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); printk(" IPMI %s interface initialized\n",si_to_str[new_smi->si_type]); @@ -2454,7 +2469,7 @@ static int try_smi_init(struct smi_info *new_smi) kfree(new_smi); - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); return rv; } @@ -2512,26 +2527,26 @@ static __devinit int init_ipmi_si(void) #endif if (si_trydefaults) { - down(&smi_infos_lock); + mutex_lock(&smi_infos_lock); if (list_empty(&smi_infos)) { /* No BMC was found, try defaults. */ - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); default_find_bmc(); } else { - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); } } - down(&smi_infos_lock); + mutex_lock(&smi_infos_lock); if (list_empty(&smi_infos)) { - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); #ifdef CONFIG_PCI pci_unregister_driver(&ipmi_pci_driver); #endif printk("ipmi_si: Unable to find any System Interface(s)\n"); return -ENODEV; } else { - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); return 0; } } @@ -2607,10 +2622,10 @@ static __exit void cleanup_ipmi_si(void) pci_unregister_driver(&ipmi_pci_driver); #endif - down(&smi_infos_lock); + mutex_lock(&smi_infos_lock); list_for_each_entry_safe(e, tmp_e, &smi_infos, link) cleanup_one_si(e); - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); driver_unregister(&ipmi_driver); } diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c index 7ece9f3c8f7..2d11ddd99e5 100644 --- a/drivers/char/ipmi/ipmi_watchdog.c +++ b/drivers/char/ipmi/ipmi_watchdog.c @@ -39,6 +39,7 @@ #include <linux/watchdog.h> #include <linux/miscdevice.h> #include <linux/init.h> +#include <linux/completion.h> #include <linux/rwsem.h> #include <linux/errno.h> #include <asm/uaccess.h> @@ -303,21 +304,22 @@ static int ipmi_heartbeat(void); static void panic_halt_ipmi_heartbeat(void); -/* We use a semaphore to make sure that only one thing can send a set +/* We use a mutex to make sure that only one thing can send a set timeout at one time, because we only have one copy of the data. - The semaphore is claimed when the set_timeout is sent and freed + The mutex is claimed when the set_timeout is sent and freed when both messages are free. */ static atomic_t set_timeout_tofree = ATOMIC_INIT(0); -static DECLARE_MUTEX(set_timeout_lock); +static DEFINE_MUTEX(set_timeout_lock); +static DECLARE_COMPLETION(set_timeout_wait); static void set_timeout_free_smi(struct ipmi_smi_msg *msg) { if (atomic_dec_and_test(&set_timeout_tofree)) - up(&set_timeout_lock); + complete(&set_timeout_wait); } static void set_timeout_free_recv(struct ipmi_recv_msg *msg) { if (atomic_dec_and_test(&set_timeout_tofree)) - up(&set_timeout_lock); + complete(&set_timeout_wait); } static struct ipmi_smi_msg set_timeout_smi_msg = { @@ -399,7 +401,7 @@ static int ipmi_set_timeout(int do_heartbeat) /* We can only send one of these at a time. */ - down(&set_timeout_lock); + mutex_lock(&set_timeout_lock); atomic_set(&set_timeout_tofree, 2); @@ -407,16 +409,21 @@ static int ipmi_set_timeout(int do_heartbeat) &set_timeout_recv_msg, &send_heartbeat_now); if (rv) { - up(&set_timeout_lock); - } else { - if ((do_heartbeat == IPMI_SET_TIMEOUT_FORCE_HB) - || ((send_heartbeat_now) - && (do_heartbeat == IPMI_SET_TIMEOUT_HB_IF_NECESSARY))) - { - rv = ipmi_heartbeat(); - } + mutex_unlock(&set_timeout_lock); + goto out; } + wait_for_completion(&set_timeout_wait); + + if ((do_heartbeat == IPMI_SET_TIMEOUT_FORCE_HB) + || ((send_heartbeat_now) + && (do_heartbeat == IPMI_SET_TIMEOUT_HB_IF_NECESSARY))) + { + rv = ipmi_heartbeat(); + } + mutex_unlock(&set_timeout_lock); + +out: return rv; } @@ -458,17 +465,17 @@ static void panic_halt_ipmi_set_timeout(void) The semaphore is claimed when the set_timeout is sent and freed when both messages are free. */ static atomic_t heartbeat_tofree = ATOMIC_INIT(0); -static DECLARE_MUTEX(heartbeat_lock); -static DECLARE_MUTEX_LOCKED(heartbeat_wait_lock); +static DEFINE_MUTEX(heartbeat_lock); +static DECLARE_COMPLETION(heartbeat_wait); static void heartbeat_free_smi(struct ipmi_smi_msg *msg) { if (atomic_dec_and_test(&heartbeat_tofree)) - up(&heartbeat_wait_lock); + complete(&heartbeat_wait); } static void heartbeat_free_recv(struct ipmi_recv_msg *msg) { if (atomic_dec_and_test(&heartbeat_tofree)) - up(&heartbeat_wait_lock); + complete(&heartbeat_wait); } static struct ipmi_smi_msg heartbeat_smi_msg = { @@ -511,14 +518,14 @@ static int ipmi_heartbeat(void) return ipmi_set_timeout(IPMI_SET_TIMEOUT_HB_IF_NECESSARY); } - down(&heartbeat_lock); + mutex_lock(&heartbeat_lock); atomic_set(&heartbeat_tofree, 2); /* Don't reset the timer if we have the timer turned off, that re-enables the watchdog. */ if (ipmi_watchdog_state == WDOG_TIMEOUT_NONE) { - up(&heartbeat_lock); + mutex_unlock(&heartbeat_lock); return 0; } @@ -539,14 +546,14 @@ static int ipmi_heartbeat(void) &heartbeat_recv_msg, 1); if (rv) { - up(&heartbeat_lock); + mutex_unlock(&heartbeat_lock); printk(KERN_WARNING PFX "heartbeat failure: %d\n", rv); return rv; } /* Wait for the heartbeat to be sent. */ - down(&heartbeat_wait_lock); + wait_for_completion(&heartbeat_wait); if (heartbeat_recv_msg.msg.data[0] != 0) { /* Got an error in the heartbeat response. It was already @@ -555,7 +562,7 @@ static int ipmi_heartbeat(void) rv = -EINVAL; } - up(&heartbeat_lock); + mutex_unlock(&heartbeat_lock); return rv; } @@ -589,7 +596,7 @@ static void panic_halt_ipmi_heartbeat(void) 1); } -static struct watchdog_info ident= +static struct watchdog_info ident = { .options = 0, /* WDIOF_SETTIMEOUT, */ .firmware_version = 1, @@ -790,13 +797,13 @@ static int ipmi_fasync(int fd, struct file *file, int on) static int ipmi_close(struct inode *ino, struct file *filep) { - if (iminor(ino)==WATCHDOG_MINOR) - { + if (iminor(ino) == WATCHDOG_MINOR) { if (expect_close == 42) { ipmi_watchdog_state = WDOG_TIMEOUT_NONE; ipmi_set_timeout(IPMI_SET_TIMEOUT_NO_HB); } else { - printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n"); + printk(KERN_CRIT PFX + "Unexpected close, not stopping watchdog!\n"); ipmi_heartbeat(); } clear_bit(0, &ipmi_wdog_open); diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c index e5247f85a44..ef20c1fc9c4 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c @@ -706,7 +706,6 @@ static int stli_portcmdstats(stliport_t *portp); static int stli_clrportstats(stliport_t *portp, comstats_t __user *cp); static int stli_getportstruct(stliport_t __user *arg); static int stli_getbrdstruct(stlibrd_t __user *arg); -static void *stli_memalloc(int len); static stlibrd_t *stli_allocbrd(void); static void stli_ecpinit(stlibrd_t *brdp); @@ -997,17 +996,6 @@ static int stli_parsebrd(stlconf_t *confp, char **argp) /*****************************************************************************/ -/* - * Local driver kernel malloc routine. - */ - -static void *stli_memalloc(int len) -{ - return((void *) kmalloc(len, GFP_KERNEL)); -} - -/*****************************************************************************/ - static int stli_open(struct tty_struct *tty, struct file *filp) { stlibrd_t *brdp; @@ -3227,13 +3215,12 @@ static int stli_initports(stlibrd_t *brdp) #endif for (i = 0, panelnr = 0, panelport = 0; (i < brdp->nrports); i++) { - portp = (stliport_t *) stli_memalloc(sizeof(stliport_t)); - if (portp == (stliport_t *) NULL) { + portp = kzalloc(sizeof(stliport_t), GFP_KERNEL); + if (!portp) { printk("STALLION: failed to allocate port structure\n"); continue; } - memset(portp, 0, sizeof(stliport_t)); portp->magic = STLI_PORTMAGIC; portp->portnr = i; portp->brdnr = brdp->brdnr; @@ -4610,14 +4597,13 @@ static stlibrd_t *stli_allocbrd(void) { stlibrd_t *brdp; - brdp = (stlibrd_t *) stli_memalloc(sizeof(stlibrd_t)); - if (brdp == (stlibrd_t *) NULL) { + brdp = kzalloc(sizeof(stlibrd_t), GFP_KERNEL); + if (!brdp) { printk(KERN_ERR "STALLION: failed to allocate memory " "(size=%d)\n", sizeof(stlibrd_t)); - return((stlibrd_t *) NULL); + return NULL; } - memset(brdp, 0, sizeof(stlibrd_t)); brdp->magic = STLI_BOARDMAGIC; return(brdp); } @@ -5210,12 +5196,12 @@ int __init stli_init(void) /* * Allocate a temporary write buffer. */ - stli_tmpwritebuf = (char *) stli_memalloc(STLI_TXBUFSIZE); - if (stli_tmpwritebuf == (char *) NULL) + stli_tmpwritebuf = kmalloc(STLI_TXBUFSIZE, GFP_KERNEL); + if (!stli_tmpwritebuf) printk(KERN_ERR "STALLION: failed to allocate memory " "(size=%d)\n", STLI_TXBUFSIZE); - stli_txcookbuf = stli_memalloc(STLI_TXBUFSIZE); - if (stli_txcookbuf == (char *) NULL) + stli_txcookbuf = kmalloc(STLI_TXBUFSIZE, GFP_KERNEL); + if (!stli_txcookbuf) printk(KERN_ERR "STALLION: failed to allocate memory " "(size=%d)\n", STLI_TXBUFSIZE); diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c index 8b603b2d1c4..935670a3cd9 100644 --- a/drivers/char/keyboard.c +++ b/drivers/char/keyboard.c @@ -74,7 +74,7 @@ void compute_shiftstate(void); k_self, k_fn, k_spec, k_pad,\ k_dead, k_cons, k_cur, k_shift,\ k_meta, k_ascii, k_lock, k_lowercase,\ - k_slock, k_dead2, k_ignore, k_ignore + k_slock, k_dead2, k_brl, k_ignore typedef void (k_handler_fn)(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs); @@ -100,7 +100,7 @@ static fn_handler_fn *fn_handler[] = { FN_HANDLERS }; const int max_vals[] = { 255, ARRAY_SIZE(func_table) - 1, ARRAY_SIZE(fn_handler) - 1, NR_PAD - 1, NR_DEAD - 1, 255, 3, NR_SHIFT - 1, 255, NR_ASCII - 1, NR_LOCK - 1, - 255, NR_LOCK - 1, 255 + 255, NR_LOCK - 1, 255, NR_BRL - 1 }; const int NR_TYPES = ARRAY_SIZE(max_vals); @@ -126,7 +126,7 @@ static unsigned long key_down[NBITS(KEY_MAX)]; /* keyboard key bitmap */ static unsigned char shift_down[NR_SHIFT]; /* shift state counters.. */ static int dead_key_next; static int npadch = -1; /* -1 or number assembled on pad */ -static unsigned char diacr; +static unsigned int diacr; static char rep; /* flag telling character repeat */ static unsigned char ledstate = 0xff; /* undefined */ @@ -394,22 +394,30 @@ void compute_shiftstate(void) * Otherwise, conclude that DIACR was not combining after all, * queue it and return CH. */ -static unsigned char handle_diacr(struct vc_data *vc, unsigned char ch) +static unsigned int handle_diacr(struct vc_data *vc, unsigned int ch) { - int d = diacr; + unsigned int d = diacr; unsigned int i; diacr = 0; - for (i = 0; i < accent_table_size; i++) { - if (accent_table[i].diacr == d && accent_table[i].base == ch) - return accent_table[i].result; + if ((d & ~0xff) == BRL_UC_ROW) { + if ((ch & ~0xff) == BRL_UC_ROW) + return d | ch; + } else { + for (i = 0; i < accent_table_size; i++) + if (accent_table[i].diacr == d && accent_table[i].base == ch) + return accent_table[i].result; } - if (ch == ' ' || ch == d) + if (ch == ' ' || ch == (BRL_UC_ROW|0) || ch == d) return d; - put_queue(vc, d); + if (kbd->kbdmode == VC_UNICODE) + to_utf8(vc, d); + else if (d < 0x100) + put_queue(vc, d); + return ch; } @@ -419,7 +427,10 @@ static unsigned char handle_diacr(struct vc_data *vc, unsigned char ch) static void fn_enter(struct vc_data *vc, struct pt_regs *regs) { if (diacr) { - put_queue(vc, diacr); + if (kbd->kbdmode == VC_UNICODE) + to_utf8(vc, diacr); + else if (diacr < 0x100) + put_queue(vc, diacr); diacr = 0; } put_queue(vc, 13); @@ -615,7 +626,7 @@ static void k_lowercase(struct vc_data *vc, unsigned char value, char up_flag, s printk(KERN_ERR "keyboard.c: k_lowercase was called - impossible\n"); } -static void k_self(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs) +static void k_unicode(struct vc_data *vc, unsigned int value, char up_flag, struct pt_regs *regs) { if (up_flag) return; /* no action, if this is a key release */ @@ -628,7 +639,10 @@ static void k_self(struct vc_data *vc, unsigned char value, char up_flag, struct diacr = value; return; } - put_queue(vc, value); + if (kbd->kbdmode == VC_UNICODE) + to_utf8(vc, value); + else if (value < 0x100) + put_queue(vc, value); } /* @@ -636,13 +650,23 @@ static void k_self(struct vc_data *vc, unsigned char value, char up_flag, struct * dead keys modifying the same character. Very useful * for Vietnamese. */ -static void k_dead2(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs) +static void k_deadunicode(struct vc_data *vc, unsigned int value, char up_flag, struct pt_regs *regs) { if (up_flag) return; diacr = (diacr ? handle_diacr(vc, value) : value); } +static void k_self(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs) +{ + k_unicode(vc, value, up_flag, regs); +} + +static void k_dead2(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs) +{ + k_deadunicode(vc, value, up_flag, regs); +} + /* * Obsolete - for backwards compatibility only */ @@ -650,7 +674,7 @@ static void k_dead(struct vc_data *vc, unsigned char value, char up_flag, struct { static unsigned char ret_diacr[NR_DEAD] = {'`', '\'', '^', '~', '"', ',' }; value = ret_diacr[value]; - k_dead2(vc, value, up_flag, regs); + k_deadunicode(vc, value, up_flag, regs); } static void k_cons(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs) @@ -835,6 +859,62 @@ static void k_slock(struct vc_data *vc, unsigned char value, char up_flag, struc } } +/* by default, 300ms interval for combination release */ +static long brl_timeout = 300; +MODULE_PARM_DESC(brl_timeout, "Braille keys release delay in ms (0 for combination on first release, < 0 for dead characters)"); +module_param(brl_timeout, long, 0644); +static void k_brl(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs) +{ + static unsigned pressed,committing; + static unsigned long releasestart; + + if (kbd->kbdmode != VC_UNICODE) { + if (!up_flag) + printk("keyboard mode must be unicode for braille patterns\n"); + return; + } + + if (!value) { + k_unicode(vc, BRL_UC_ROW, up_flag, regs); + return; + } + + if (value > 8) + return; + + if (brl_timeout < 0) { + k_deadunicode(vc, BRL_UC_ROW | (1 << (value - 1)), up_flag, regs); + return; + } + + if (up_flag) { + if (brl_timeout) { + if (!committing || + jiffies - releasestart > (brl_timeout * HZ) / 1000) { + committing = pressed; + releasestart = jiffies; + } + pressed &= ~(1 << (value - 1)); + if (!pressed) { + if (committing) { + k_unicode(vc, BRL_UC_ROW | committing, 0, regs); + committing = 0; + } + } + } else { + if (committing) { + k_unicode(vc, BRL_UC_ROW | committing, 0, regs); + committing = 0; + } + pressed &= ~(1 << (value - 1)); + } + } else { + pressed |= 1 << (value - 1); + if (!brl_timeout) + committing = pressed; + } +} + /* * The leds display either (i) the status of NumLock, CapsLock, ScrollLock, * or (ii) whatever pattern of lights people want to show using KDSETLED, @@ -1125,9 +1205,13 @@ static void kbd_keycode(unsigned int keycode, int down, } if (keycode > NR_KEYS) - return; + if (keycode >= KEY_BRL_DOT1 && keycode <= KEY_BRL_DOT8) + keysym = K(KT_BRL, keycode - KEY_BRL_DOT1 + 1); + else + return; + else + keysym = key_map[keycode]; - keysym = key_map[keycode]; type = KTYP(keysym); if (type < 0xf0) { diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index 5fdf1851543..02114a0bd0d 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -46,7 +46,7 @@ /* #define ATR_CSUM */ #ifdef PCMCIA_DEBUG -#define reader_to_dev(x) (&handle_to_dev(x->link.handle)) +#define reader_to_dev(x) (&handle_to_dev(x->p_dev->handle)) static int pc_debug = PCMCIA_DEBUG; module_param(pc_debug, int, 0600); #define DEBUGP(n, rdr, x, args...) do { \ @@ -67,7 +67,7 @@ static char *version = "cm4000_cs.c v2.4.0gm6 - All bugs added by Harald Welte"; #define T_100MSEC msecs_to_jiffies(100) #define T_500MSEC msecs_to_jiffies(500) -static void cm4000_release(dev_link_t *link); +static void cm4000_release(struct pcmcia_device *link); static int major; /* major number we get from the kernel */ @@ -106,7 +106,7 @@ static int major; /* major number we get from the kernel */ #define REG_STOPBITS(x) (x + 7) struct cm4000_dev { - dev_link_t link; /* pcmcia link */ + struct pcmcia_device *p_dev; dev_node_t node; /* OS node (major,minor) */ unsigned char atr[MAX_ATR]; @@ -149,14 +149,14 @@ struct cm4000_dev { #define ZERO_DEV(dev) \ memset(&dev->atr_csum,0, \ sizeof(struct cm4000_dev) - \ - /*link*/ sizeof(dev_link_t) - \ + /*link*/ sizeof(struct pcmcia_device) - \ /*node*/ sizeof(dev_node_t) - \ /*atr*/ MAX_ATR*sizeof(char) - \ /*rbuf*/ 512*sizeof(char) - \ /*sbuf*/ 512*sizeof(char) - \ /*queue*/ 4*sizeof(wait_queue_head_t)) -static dev_link_t *dev_table[CM4000_MAX_DEV]; +static struct pcmcia_device *dev_table[CM4000_MAX_DEV]; static struct class *cmm_class; /* This table doesn't use spaces after the comma between fields and thus @@ -454,7 +454,7 @@ static struct card_fixup card_fixups[] = { static void set_cardparameter(struct cm4000_dev *dev) { int i; - ioaddr_t iobase = dev->link.io.BasePort1; + ioaddr_t iobase = dev->p_dev->io.BasePort1; u_int8_t stopbits = 0x02; /* ISO default */ DEBUGP(3, dev, "-> set_cardparameter\n"); @@ -487,7 +487,7 @@ static int set_protocol(struct cm4000_dev *dev, struct ptsreq *ptsreq) unsigned short num_bytes_read; unsigned char pts_reply[4]; ssize_t rc; - ioaddr_t iobase = dev->link.io.BasePort1; + ioaddr_t iobase = dev->p_dev->io.BasePort1; rc = 0; @@ -699,7 +699,7 @@ static void terminate_monitor(struct cm4000_dev *dev) static void monitor_card(unsigned long p) { struct cm4000_dev *dev = (struct cm4000_dev *) p; - ioaddr_t iobase = dev->link.io.BasePort1; + ioaddr_t iobase = dev->p_dev->io.BasePort1; unsigned short s; struct ptsreq ptsreq; int i, atrc; @@ -962,7 +962,7 @@ static ssize_t cmm_read(struct file *filp, __user char *buf, size_t count, loff_t *ppos) { struct cm4000_dev *dev = filp->private_data; - ioaddr_t iobase = dev->link.io.BasePort1; + ioaddr_t iobase = dev->p_dev->io.BasePort1; ssize_t rc; int i, j, k; @@ -971,7 +971,7 @@ static ssize_t cmm_read(struct file *filp, __user char *buf, size_t count, if (count == 0) /* according to manpage */ return 0; - if ((dev->link.state & DEV_PRESENT) == 0 || /* socket removed */ + if (!pcmcia_dev_present(dev->p_dev) || /* device removed */ test_bit(IS_CMM_ABSENT, &dev->flags)) return -ENODEV; @@ -1083,7 +1083,7 @@ static ssize_t cmm_write(struct file *filp, const char __user *buf, size_t count, loff_t *ppos) { struct cm4000_dev *dev = (struct cm4000_dev *) filp->private_data; - ioaddr_t iobase = dev->link.io.BasePort1; + ioaddr_t iobase = dev->p_dev->io.BasePort1; unsigned short s; unsigned char tmp; unsigned char infolen; @@ -1108,7 +1108,7 @@ static ssize_t cmm_write(struct file *filp, const char __user *buf, sendT0 = dev->proto ? 0 : nr > 5 ? 0x08 : 0; - if ((dev->link.state & DEV_PRESENT) == 0 || /* socket removed */ + if (!pcmcia_dev_present(dev->p_dev) || /* device removed */ test_bit(IS_CMM_ABSENT, &dev->flags)) return -ENODEV; @@ -1440,8 +1440,8 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { struct cm4000_dev *dev = filp->private_data; - ioaddr_t iobase = dev->link.io.BasePort1; - dev_link_t *link; + ioaddr_t iobase = dev->p_dev->io.BasePort1; + struct pcmcia_device *link; int size; int rc; void __user *argp = (void __user *)arg; @@ -1458,7 +1458,7 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, iminor(inode), ioctl_names[_IOC_NR(cmd)]); link = dev_table[iminor(inode)]; - if (!(DEV_OK(link))) { + if (!pcmcia_dev_present(link)) { DEBUGP(4, dev, "DEV_OK false\n"); return -ENODEV; } @@ -1660,14 +1660,14 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, static int cmm_open(struct inode *inode, struct file *filp) { struct cm4000_dev *dev; - dev_link_t *link; + struct pcmcia_device *link; int rc, minor = iminor(inode); if (minor >= CM4000_MAX_DEV) return -ENODEV; link = dev_table[minor]; - if (link == NULL || !(DEV_OK(link))) + if (link == NULL || !pcmcia_dev_present(link)) return -ENODEV; if (link->open) @@ -1709,7 +1709,7 @@ static int cmm_open(struct inode *inode, struct file *filp) static int cmm_close(struct inode *inode, struct file *filp) { struct cm4000_dev *dev; - dev_link_t *link; + struct pcmcia_device *link; int minor = iminor(inode); if (minor >= CM4000_MAX_DEV) @@ -1735,7 +1735,7 @@ static int cmm_close(struct inode *inode, struct file *filp) return 0; } -static void cmm_cm4000_release(dev_link_t * link) +static void cmm_cm4000_release(struct pcmcia_device * link) { struct cm4000_dev *dev = link->priv; @@ -1759,13 +1759,11 @@ static void cmm_cm4000_release(dev_link_t * link) /*==== Interface to PCMCIA Layer =======================================*/ -static void cm4000_config(dev_link_t * link, int devno) +static int cm4000_config(struct pcmcia_device * link, int devno) { - client_handle_t handle = link->handle; struct cm4000_dev *dev; tuple_t tuple; cisparse_t parse; - config_info_t conf; u_char buf[64]; int fail_fn, fail_rc; int rc; @@ -1777,41 +1775,34 @@ static void cm4000_config(dev_link_t * link, int devno) tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - if ((fail_rc = pcmcia_get_first_tuple(handle, &tuple)) != CS_SUCCESS) { + if ((fail_rc = pcmcia_get_first_tuple(link, &tuple)) != CS_SUCCESS) { fail_fn = GetFirstTuple; goto cs_failed; } - if ((fail_rc = pcmcia_get_tuple_data(handle, &tuple)) != CS_SUCCESS) { + if ((fail_rc = pcmcia_get_tuple_data(link, &tuple)) != CS_SUCCESS) { fail_fn = GetTupleData; goto cs_failed; } if ((fail_rc = - pcmcia_parse_tuple(handle, &tuple, &parse)) != CS_SUCCESS) { + pcmcia_parse_tuple(link, &tuple, &parse)) != CS_SUCCESS) { fail_fn = ParseTuple; goto cs_failed; } - if ((fail_rc = - pcmcia_get_configuration_info(handle, &conf)) != CS_SUCCESS) { - fail_fn = GetConfigurationInfo; - goto cs_failed; - } - link->state |= DEV_CONFIG; link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; - link->conf.Vcc = conf.Vcc; link->io.BasePort2 = 0; link->io.NumPorts2 = 0; link->io.Attributes2 = 0; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - for (rc = pcmcia_get_first_tuple(handle, &tuple); - rc == CS_SUCCESS; rc = pcmcia_get_next_tuple(handle, &tuple)) { + for (rc = pcmcia_get_first_tuple(link, &tuple); + rc == CS_SUCCESS; rc = pcmcia_get_next_tuple(link, &tuple)) { - rc = pcmcia_get_tuple_data(handle, &tuple); + rc = pcmcia_get_tuple_data(link, &tuple); if (rc != CS_SUCCESS) continue; - rc = pcmcia_parse_tuple(handle, &tuple, &parse); + rc = pcmcia_parse_tuple(link, &tuple, &parse); if (rc != CS_SUCCESS) continue; @@ -1831,7 +1822,7 @@ static void cm4000_config(dev_link_t * link, int devno) link->io.IOAddrLines = parse.cftable_entry.io.flags & CISTPL_IO_LINES_MASK; - rc = pcmcia_request_io(handle, &link->io); + rc = pcmcia_request_io(link, &link->io); if (rc == CS_SUCCESS) break; /* we are done */ } @@ -1841,7 +1832,7 @@ static void cm4000_config(dev_link_t * link, int devno) link->conf.IntType = 00000002; if ((fail_rc = - pcmcia_request_configuration(handle, &link->conf)) != CS_SUCCESS) { + pcmcia_request_configuration(link, &link->conf)) != CS_SUCCESS) { fail_fn = RequestConfiguration; goto cs_release; } @@ -1851,63 +1842,48 @@ static void cm4000_config(dev_link_t * link, int devno) dev->node.major = major; dev->node.minor = devno; dev->node.next = NULL; - link->dev = &dev->node; - link->state &= ~DEV_CONFIG_PENDING; + link->dev_node = &dev->node; - return; + return 0; cs_failed: - cs_error(handle, fail_fn, fail_rc); + cs_error(link, fail_fn, fail_rc); cs_release: cm4000_release(link); - - link->state &= ~DEV_CONFIG_PENDING; + return -ENODEV; } -static int cm4000_suspend(struct pcmcia_device *p_dev) +static int cm4000_suspend(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct cm4000_dev *dev; dev = link->priv; - - link->state |= DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_release_configuration(link->handle); stop_monitor(dev); return 0; } -static int cm4000_resume(struct pcmcia_device *p_dev) +static int cm4000_resume(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct cm4000_dev *dev; dev = link->priv; - - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) start_monitor(dev); return 0; } -static void cm4000_release(dev_link_t *link) +static void cm4000_release(struct pcmcia_device *link) { cmm_cm4000_release(link->priv); /* delay release until device closed */ - pcmcia_release_configuration(link->handle); - pcmcia_release_io(link->handle, &link->io); + pcmcia_disable_device(link); } -static int cm4000_attach(struct pcmcia_device *p_dev) +static int cm4000_probe(struct pcmcia_device *link) { struct cm4000_dev *dev; - dev_link_t *link; - int i; + int i, ret; for (i = 0; i < CM4000_MAX_DEV; i++) if (dev_table[i] == NULL) @@ -1923,7 +1899,7 @@ static int cm4000_attach(struct pcmcia_device *p_dev) if (dev == NULL) return -ENOMEM; - link = &dev->link; + dev->p_dev = link; link->priv = dev; link->conf.IntType = INT_MEMORY_AND_IO; dev_table[i] = link; @@ -1933,11 +1909,9 @@ static int cm4000_attach(struct pcmcia_device *p_dev) init_waitqueue_head(&dev->atrq); init_waitqueue_head(&dev->readq); - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - cm4000_config(link, i); + ret = cm4000_config(link, i); + if (ret) + return ret; class_device_create(cmm_class, NULL, MKDEV(major, i), NULL, "cmm%d", i); @@ -1945,9 +1919,8 @@ static int cm4000_attach(struct pcmcia_device *p_dev) return 0; } -static void cm4000_detach(struct pcmcia_device *p_dev) +static void cm4000_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct cm4000_dev *dev = link->priv; int devno; @@ -1958,11 +1931,9 @@ static void cm4000_detach(struct pcmcia_device *p_dev) if (devno == CM4000_MAX_DEV) return; - link->state &= ~DEV_PRESENT; stop_monitor(dev); - if (link->state & DEV_CONFIG) - cm4000_release(link); + cm4000_release(link); dev_table[devno] = NULL; kfree(dev); @@ -1993,7 +1964,7 @@ static struct pcmcia_driver cm4000_driver = { .drv = { .name = "cm4000_cs", }, - .probe = cm4000_attach, + .probe = cm4000_probe, .remove = cm4000_detach, .suspend = cm4000_suspend, .resume = cm4000_resume, diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 466e33bab02..29efa64580a 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -41,7 +41,7 @@ #ifdef PCMCIA_DEBUG -#define reader_to_dev(x) (&handle_to_dev(x->link.handle)) +#define reader_to_dev(x) (&handle_to_dev(x->p_dev->handle)) static int pc_debug = PCMCIA_DEBUG; module_param(pc_debug, int, 0600); #define DEBUGP(n, rdr, x, args...) do { \ @@ -65,7 +65,7 @@ static char *version = /* how often to poll for fifo status change */ #define POLL_PERIOD msecs_to_jiffies(10) -static void reader_release(dev_link_t *link); +static void reader_release(struct pcmcia_device *link); static int major; static struct class *cmx_class; @@ -74,7 +74,7 @@ static struct class *cmx_class; #define BS_WRITABLE 0x02 struct reader_dev { - dev_link_t link; + struct pcmcia_device *p_dev; dev_node_t node; wait_queue_head_t devq; wait_queue_head_t poll_wait; @@ -87,7 +87,7 @@ struct reader_dev { struct timer_list poll_timer; }; -static dev_link_t *dev_table[CM_MAX_DEV]; +static struct pcmcia_device *dev_table[CM_MAX_DEV]; #ifndef PCMCIA_DEBUG #define xoutb outb @@ -116,7 +116,7 @@ static inline unsigned char xinb(unsigned short port) static void cm4040_do_poll(unsigned long dummy) { struct reader_dev *dev = (struct reader_dev *) dummy; - unsigned int obs = xinb(dev->link.io.BasePort1 + unsigned int obs = xinb(dev->p_dev->io.BasePort1 + REG_OFFSET_BUFFER_STATUS); if ((obs & BSR_BULK_IN_FULL)) { @@ -147,7 +147,7 @@ static void cm4040_stop_poll(struct reader_dev *dev) static int wait_for_bulk_out_ready(struct reader_dev *dev) { int i, rc; - int iobase = dev->link.io.BasePort1; + int iobase = dev->p_dev->io.BasePort1; for (i = 0; i < POLL_LOOP_COUNT; i++) { if ((xinb(iobase + REG_OFFSET_BUFFER_STATUS) @@ -177,7 +177,7 @@ static int wait_for_bulk_out_ready(struct reader_dev *dev) /* Write to Sync Control Register */ static int write_sync_reg(unsigned char val, struct reader_dev *dev) { - int iobase = dev->link.io.BasePort1; + int iobase = dev->p_dev->io.BasePort1; int rc; rc = wait_for_bulk_out_ready(dev); @@ -195,7 +195,7 @@ static int write_sync_reg(unsigned char val, struct reader_dev *dev) static int wait_for_bulk_in_ready(struct reader_dev *dev) { int i, rc; - int iobase = dev->link.io.BasePort1; + int iobase = dev->p_dev->io.BasePort1; for (i = 0; i < POLL_LOOP_COUNT; i++) { if ((xinb(iobase + REG_OFFSET_BUFFER_STATUS) @@ -225,7 +225,7 @@ static ssize_t cm4040_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos) { struct reader_dev *dev = filp->private_data; - int iobase = dev->link.io.BasePort1; + int iobase = dev->p_dev->io.BasePort1; size_t bytes_to_read; unsigned long i; size_t min_bytes_to_read; @@ -246,7 +246,7 @@ static ssize_t cm4040_read(struct file *filp, char __user *buf, return -EAGAIN; } - if ((dev->link.state & DEV_PRESENT)==0) + if (!pcmcia_dev_present(dev->p_dev)) return -ENODEV; for (i = 0; i < 5; i++) { @@ -328,7 +328,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf, size_t count, loff_t *ppos) { struct reader_dev *dev = filp->private_data; - int iobase = dev->link.io.BasePort1; + int iobase = dev->p_dev->io.BasePort1; ssize_t rc; int i; unsigned int bytes_to_write; @@ -351,7 +351,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf, return -EAGAIN; } - if ((dev->link.state & DEV_PRESENT) == 0) + if (!pcmcia_dev_present(dev->p_dev)) return -ENODEV; bytes_to_write = count; @@ -445,14 +445,14 @@ static unsigned int cm4040_poll(struct file *filp, poll_table *wait) static int cm4040_open(struct inode *inode, struct file *filp) { struct reader_dev *dev; - dev_link_t *link; + struct pcmcia_device *link; int minor = iminor(inode); if (minor >= CM_MAX_DEV) return -ENODEV; link = dev_table[minor]; - if (link == NULL || !(DEV_OK(link))) + if (link == NULL || !pcmcia_dev_present(link)) return -ENODEV; if (link->open) @@ -478,7 +478,7 @@ static int cm4040_open(struct inode *inode, struct file *filp) static int cm4040_close(struct inode *inode, struct file *filp) { struct reader_dev *dev = filp->private_data; - dev_link_t *link; + struct pcmcia_device *link; int minor = iminor(inode); DEBUGP(2, dev, "-> cm4040_close(maj/min=%d.%d)\n", imajor(inode), @@ -500,7 +500,7 @@ static int cm4040_close(struct inode *inode, struct file *filp) return 0; } -static void cm4040_reader_release(dev_link_t *link) +static void cm4040_reader_release(struct pcmcia_device *link) { struct reader_dev *dev = link->priv; @@ -514,60 +514,49 @@ static void cm4040_reader_release(dev_link_t *link) return; } -static void reader_config(dev_link_t *link, int devno) +static int reader_config(struct pcmcia_device *link, int devno) { - client_handle_t handle; struct reader_dev *dev; tuple_t tuple; cisparse_t parse; - config_info_t conf; u_char buf[64]; int fail_fn, fail_rc; int rc; - handle = link->handle; - tuple.DesiredTuple = CISTPL_CONFIG; tuple.Attributes = 0; tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - if ((fail_rc = pcmcia_get_first_tuple(handle, &tuple)) != CS_SUCCESS) { + if ((fail_rc = pcmcia_get_first_tuple(link, &tuple)) != CS_SUCCESS) { fail_fn = GetFirstTuple; goto cs_failed; } - if ((fail_rc = pcmcia_get_tuple_data(handle, &tuple)) != CS_SUCCESS) { + if ((fail_rc = pcmcia_get_tuple_data(link, &tuple)) != CS_SUCCESS) { fail_fn = GetTupleData; goto cs_failed; } - if ((fail_rc = pcmcia_parse_tuple(handle, &tuple, &parse)) + if ((fail_rc = pcmcia_parse_tuple(link, &tuple, &parse)) != CS_SUCCESS) { fail_fn = ParseTuple; goto cs_failed; } - if ((fail_rc = pcmcia_get_configuration_info(handle, &conf)) - != CS_SUCCESS) { - fail_fn = GetConfigurationInfo; - goto cs_failed; - } - link->state |= DEV_CONFIG; link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; - link->conf.Vcc = conf.Vcc; link->io.BasePort2 = 0; link->io.NumPorts2 = 0; link->io.Attributes2 = 0; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - for (rc = pcmcia_get_first_tuple(handle, &tuple); + for (rc = pcmcia_get_first_tuple(link, &tuple); rc == CS_SUCCESS; - rc = pcmcia_get_next_tuple(handle, &tuple)) { - rc = pcmcia_get_tuple_data(handle, &tuple); + rc = pcmcia_get_next_tuple(link, &tuple)) { + rc = pcmcia_get_tuple_data(link, &tuple); if (rc != CS_SUCCESS) continue; - rc = pcmcia_parse_tuple(handle, &tuple, &parse); + rc = pcmcia_parse_tuple(link, &tuple, &parse); if (rc != CS_SUCCESS) continue; @@ -585,13 +574,13 @@ static void reader_config(dev_link_t *link, int devno) link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; link->io.IOAddrLines = parse.cftable_entry.io.flags & CISTPL_IO_LINES_MASK; - rc = pcmcia_request_io(handle, &link->io); + rc = pcmcia_request_io(link, &link->io); - dev_printk(KERN_INFO, &handle_to_dev(handle), "foo"); + dev_printk(KERN_INFO, &handle_to_dev(link), "foo"); if (rc == CS_SUCCESS) break; else - dev_printk(KERN_INFO, &handle_to_dev(handle), + dev_printk(KERN_INFO, &handle_to_dev(link), "pcmcia_request_io failed 0x%x\n", rc); } if (rc != CS_SUCCESS) @@ -599,10 +588,10 @@ static void reader_config(dev_link_t *link, int devno) link->conf.IntType = 00000002; - if ((fail_rc = pcmcia_request_configuration(handle,&link->conf)) + if ((fail_rc = pcmcia_request_configuration(link,&link->conf)) !=CS_SUCCESS) { fail_fn = RequestConfiguration; - dev_printk(KERN_INFO, &handle_to_dev(handle), + dev_printk(KERN_INFO, &handle_to_dev(link), "pcmcia_request_configuration failed 0x%x\n", fail_rc); goto cs_release; @@ -612,57 +601,31 @@ static void reader_config(dev_link_t *link, int devno) sprintf(dev->node.dev_name, DEVICE_NAME "%d", devno); dev->node.major = major; dev->node.minor = devno; - dev->node.next = NULL; - link->dev = &dev->node; - link->state &= ~DEV_CONFIG_PENDING; + dev->node.next = &dev->node; DEBUGP(2, dev, "device " DEVICE_NAME "%d at 0x%.4x-0x%.4x\n", devno, link->io.BasePort1, link->io.BasePort1+link->io.NumPorts1); DEBUGP(2, dev, "<- reader_config (succ)\n"); - return; + return 0; cs_failed: - cs_error(handle, fail_fn, fail_rc); + cs_error(link, fail_fn, fail_rc); cs_release: reader_release(link); - link->state &= ~DEV_CONFIG_PENDING; -} - -static int reader_suspend(struct pcmcia_device *p_dev) -{ - dev_link_t *link = dev_to_instance(p_dev); - - link->state |= DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_release_configuration(link->handle); - - return 0; + return -ENODEV; } -static int reader_resume(struct pcmcia_device *p_dev) -{ - dev_link_t *link = dev_to_instance(p_dev); - - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_request_configuration(link->handle, &link->conf); - - return 0; -} - -static void reader_release(dev_link_t *link) +static void reader_release(struct pcmcia_device *link) { cm4040_reader_release(link->priv); - pcmcia_release_configuration(link->handle); - pcmcia_release_io(link->handle, &link->io); + pcmcia_disable_device(link); } -static int reader_attach(struct pcmcia_device *p_dev) +static int reader_probe(struct pcmcia_device *link) { struct reader_dev *dev; - dev_link_t *link; - int i; + int i, ret; for (i = 0; i < CM_MAX_DEV; i++) { if (dev_table[i] == NULL) @@ -679,8 +642,8 @@ static int reader_attach(struct pcmcia_device *p_dev) dev->timeout = CCID_DRIVER_MINIMUM_TIMEOUT; dev->buffer_status = 0; - link = &dev->link; link->priv = dev; + dev->p_dev = link; link->conf.IntType = INT_MEMORY_AND_IO; dev_table[i] = link; @@ -692,11 +655,9 @@ static int reader_attach(struct pcmcia_device *p_dev) init_timer(&dev->poll_timer); dev->poll_timer.function = &cm4040_do_poll; - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - reader_config(link, i); + ret = reader_config(link, i); + if (ret) + return ret; class_device_create(cmx_class, NULL, MKDEV(major, i), NULL, "cmx%d", i); @@ -704,9 +665,8 @@ static int reader_attach(struct pcmcia_device *p_dev) return 0; } -static void reader_detach(struct pcmcia_device *p_dev) +static void reader_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct reader_dev *dev = link->priv; int devno; @@ -718,10 +678,7 @@ static void reader_detach(struct pcmcia_device *p_dev) if (devno == CM_MAX_DEV) return; - link->state &= ~DEV_PRESENT; - - if (link->state & DEV_CONFIG) - reader_release(link); + reader_release(link); dev_table[devno] = NULL; kfree(dev); @@ -753,10 +710,8 @@ static struct pcmcia_driver reader_driver = { .drv = { .name = "cm4040_cs", }, - .probe = reader_attach, + .probe = reader_probe, .remove = reader_detach, - .suspend = reader_suspend, - .resume = reader_resume, .id_table = cm4040_ids, }; diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index e6b714b6390..07213454c45 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -228,7 +228,7 @@ typedef struct _mgslpc_info { struct _input_signal_events input_signal_events; /* PCMCIA support */ - dev_link_t link; + struct pcmcia_device *p_dev; dev_node_t node; int stop; @@ -484,7 +484,7 @@ static void mgslpc_wait_until_sent(struct tty_struct *tty, int timeout); /* PCMCIA prototypes */ -static void mgslpc_config(dev_link_t *link); +static int mgslpc_config(struct pcmcia_device *link); static void mgslpc_release(u_long arg); static void mgslpc_detach(struct pcmcia_device *p_dev); @@ -533,14 +533,14 @@ static void ldisc_receive_buf(struct tty_struct *tty, } } -static int mgslpc_attach(struct pcmcia_device *p_dev) +static int mgslpc_probe(struct pcmcia_device *link) { MGSLPC_INFO *info; - dev_link_t *link; - + int ret; + if (debug_level >= DEBUG_LEVEL_INFO) printk("mgslpc_attach\n"); - + info = (MGSLPC_INFO *)kmalloc(sizeof(MGSLPC_INFO), GFP_KERNEL); if (!info) { printk("Error can't allocate device instance data\n"); @@ -565,25 +565,22 @@ static int mgslpc_attach(struct pcmcia_device *p_dev) info->imrb_value = 0xffff; info->pim_value = 0xff; - link = &info->link; + info->p_dev = link; link->priv = info; - - /* Initialize the dev_link_t structure */ + + /* Initialize the struct pcmcia_device structure */ /* Interrupt setup */ link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; link->irq.IRQInfo1 = IRQ_LEVEL_ID; link->irq.Handler = NULL; - + link->conf.Attributes = 0; - link->conf.Vcc = 50; link->conf.IntType = INT_MEMORY_AND_IO; - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - mgslpc_config(link); + ret = mgslpc_config(link); + if (ret) + return ret; mgslpc_add_device(info); @@ -596,15 +593,13 @@ static int mgslpc_attach(struct pcmcia_device *p_dev) #define CS_CHECK(fn, ret) \ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) -static void mgslpc_config(dev_link_t *link) +static int mgslpc_config(struct pcmcia_device *link) { - client_handle_t handle = link->handle; MGSLPC_INFO *info = link->priv; tuple_t tuple; cisparse_t parse; int last_fn, last_ret; u_char buf[64]; - config_info_t conf; cistpl_cftable_entry_t dflt = { 0 }; cistpl_cftable_entry_t *cfg; @@ -617,27 +612,20 @@ static void mgslpc_config(dev_link_t *link) tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); + CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; - - /* Configure card */ - link->state |= DEV_CONFIG; - - /* Look up the current Vcc */ - CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &conf)); - link->conf.Vcc = conf.Vcc; /* get CIS configuration entry */ tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); cfg = &(parse.cftable_entry); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); + CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg; if (cfg->index == 0) @@ -658,11 +646,10 @@ static void mgslpc_config(dev_link_t *link) link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; link->io.BasePort1 = io->win[0].base; link->io.NumPorts1 = io->win[0].len; - CS_CHECK(RequestIO, pcmcia_request_io(link->handle, &link->io)); + CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io)); } link->conf.Attributes = CONF_ENABLE_IRQ; - link->conf.Vcc = 50; link->conf.IntType = INT_MEMORY_AND_IO; link->conf.ConfigIndex = 8; link->conf.Present = PRESENT_OPTION; @@ -670,9 +657,9 @@ static void mgslpc_config(dev_link_t *link) link->irq.Attributes |= IRQ_HANDLE_PRESENT; link->irq.Handler = mgslpc_isr; link->irq.Instance = info; - CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq)); + CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); - CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf)); + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); info->io_base = link->io.BasePort1; info->irq_level = link->irq.AssignedIRQ; @@ -680,7 +667,7 @@ static void mgslpc_config(dev_link_t *link) /* add to linked list of devices */ sprintf(info->node.dev_name, "mgslpc0"); info->node.major = info->node.minor = 0; - link->dev = &info->node; + link->dev_node = &info->node; printk(KERN_INFO "%s: index 0x%02x:", info->node.dev_name, link->conf.ConfigIndex); @@ -690,13 +677,12 @@ static void mgslpc_config(dev_link_t *link) printk(", io 0x%04x-0x%04x", link->io.BasePort1, link->io.BasePort1+link->io.NumPorts1-1); printk("\n"); - - link->state &= ~DEV_CONFIG_PENDING; - return; + return 0; cs_failed: - cs_error(link->handle, last_fn, last_ret); + cs_error(link, last_fn, last_ret); mgslpc_release((u_long)link); + return -ENODEV; } /* Card has been removed. @@ -705,58 +691,38 @@ cs_failed: */ static void mgslpc_release(u_long arg) { - dev_link_t *link = (dev_link_t *)arg; + struct pcmcia_device *link = (struct pcmcia_device *)arg; - if (debug_level >= DEBUG_LEVEL_INFO) - printk("mgslpc_release(0x%p)\n", link); - - /* Unlink the device chain */ - link->dev = NULL; - link->state &= ~DEV_CONFIG; + if (debug_level >= DEBUG_LEVEL_INFO) + printk("mgslpc_release(0x%p)\n", link); - pcmcia_release_configuration(link->handle); - if (link->io.NumPorts1) - pcmcia_release_io(link->handle, &link->io); - if (link->irq.AssignedIRQ) - pcmcia_release_irq(link->handle, &link->irq); + pcmcia_disable_device(link); } -static void mgslpc_detach(struct pcmcia_device *p_dev) +static void mgslpc_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("mgslpc_detach(0x%p)\n", link); + if (debug_level >= DEBUG_LEVEL_INFO) + printk("mgslpc_detach(0x%p)\n", link); - if (link->state & DEV_CONFIG) { - ((MGSLPC_INFO *)link->priv)->stop = 1; - mgslpc_release((u_long)link); - } + ((MGSLPC_INFO *)link->priv)->stop = 1; + mgslpc_release((u_long)link); - mgslpc_remove_device((MGSLPC_INFO *)link->priv); + mgslpc_remove_device((MGSLPC_INFO *)link->priv); } -static int mgslpc_suspend(struct pcmcia_device *dev) +static int mgslpc_suspend(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(dev); MGSLPC_INFO *info = link->priv; - link->state |= DEV_SUSPEND; info->stop = 1; - if (link->state & DEV_CONFIG) - pcmcia_release_configuration(link->handle); return 0; } -static int mgslpc_resume(struct pcmcia_device *dev) +static int mgslpc_resume(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(dev); MGSLPC_INFO *info = link->priv; - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_request_configuration(link->handle, &link->conf); info->stop = 0; return 0; @@ -1280,7 +1246,7 @@ static irqreturn_t mgslpc_isr(int irq, void *dev_id, struct pt_regs * regs) if (!info) return IRQ_NONE; - if (!(info->link.state & DEV_CONFIG)) + if (!(info->p_dev->_locked)) return IRQ_HANDLED; spin_lock(&info->lock); @@ -3033,7 +2999,7 @@ static struct pcmcia_driver mgslpc_driver = { .drv = { .name = "synclink_cs", }, - .probe = mgslpc_attach, + .probe = mgslpc_probe, .remove = mgslpc_detach, .id_table = mgslpc_ids, .suspend = mgslpc_suspend, diff --git a/drivers/char/random.c b/drivers/char/random.c index 86be04b241e..58f3512c52e 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1584,7 +1584,6 @@ u32 secure_ipv6_port_ephemeral(const __u32 *saddr, const __u32 *daddr, __u16 dpo return twothirdsMD4Transform(daddr, hash); } -EXPORT_SYMBOL(secure_ipv6_port_ephemeral); #endif #if defined(CONFIG_IP_DCCP) || defined(CONFIG_IP_DCCP_MODULE) diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index 3f5d6077f39..a9c5a7230f8 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -504,7 +504,6 @@ static int stl_echmcaintr(stlbrd_t *brdp); static int stl_echpciintr(stlbrd_t *brdp); static int stl_echpci64intr(stlbrd_t *brdp); static void stl_offintr(void *private); -static void *stl_memalloc(int len); static stlbrd_t *stl_allocbrd(void); static stlport_t *stl_getport(int brdnr, int panelnr, int portnr); @@ -940,17 +939,6 @@ static int stl_parsebrd(stlconf_t *confp, char **argp) /*****************************************************************************/ /* - * Local driver kernel memory allocation routine. - */ - -static void *stl_memalloc(int len) -{ - return (void *) kmalloc(len, GFP_KERNEL); -} - -/*****************************************************************************/ - -/* * Allocate a new board structure. Fill out the basic info in it. */ @@ -958,14 +946,13 @@ static stlbrd_t *stl_allocbrd(void) { stlbrd_t *brdp; - brdp = (stlbrd_t *) stl_memalloc(sizeof(stlbrd_t)); - if (brdp == (stlbrd_t *) NULL) { + brdp = kzalloc(sizeof(stlbrd_t), GFP_KERNEL); + if (!brdp) { printk("STALLION: failed to allocate memory (size=%d)\n", sizeof(stlbrd_t)); - return (stlbrd_t *) NULL; + return NULL; } - memset(brdp, 0, sizeof(stlbrd_t)); brdp->magic = STL_BOARDMAGIC; return brdp; } @@ -1017,9 +1004,9 @@ static int stl_open(struct tty_struct *tty, struct file *filp) portp->refcount++; if ((portp->flags & ASYNC_INITIALIZED) == 0) { - if (portp->tx.buf == (char *) NULL) { - portp->tx.buf = (char *) stl_memalloc(STL_TXBUFSIZE); - if (portp->tx.buf == (char *) NULL) + if (!portp->tx.buf) { + portp->tx.buf = kmalloc(STL_TXBUFSIZE, GFP_KERNEL); + if (!portp->tx.buf) return -ENOMEM; portp->tx.head = portp->tx.buf; portp->tx.tail = portp->tx.buf; @@ -2178,13 +2165,12 @@ static int __init stl_initports(stlbrd_t *brdp, stlpanel_t *panelp) * each ports data structures. */ for (i = 0; (i < panelp->nrports); i++) { - portp = (stlport_t *) stl_memalloc(sizeof(stlport_t)); - if (portp == (stlport_t *) NULL) { + portp = kzalloc(sizeof(stlport_t), GFP_KERNEL); + if (!portp) { printk("STALLION: failed to allocate memory " "(size=%d)\n", sizeof(stlport_t)); break; } - memset(portp, 0, sizeof(stlport_t)); portp->magic = STL_PORTMAGIC; portp->portnr = i; @@ -2315,13 +2301,12 @@ static inline int stl_initeio(stlbrd_t *brdp) * can complete the setup. */ - panelp = (stlpanel_t *) stl_memalloc(sizeof(stlpanel_t)); - if (panelp == (stlpanel_t *) NULL) { + panelp = kzalloc(sizeof(stlpanel_t), GFP_KERNEL); + if (!panelp) { printk(KERN_WARNING "STALLION: failed to allocate memory " "(size=%d)\n", sizeof(stlpanel_t)); - return(-ENOMEM); + return -ENOMEM; } - memset(panelp, 0, sizeof(stlpanel_t)); panelp->magic = STL_PANELMAGIC; panelp->brdnr = brdp->brdnr; @@ -2490,13 +2475,12 @@ static inline int stl_initech(stlbrd_t *brdp) status = inb(ioaddr + ECH_PNLSTATUS); if ((status & ECH_PNLIDMASK) != nxtid) break; - panelp = (stlpanel_t *) stl_memalloc(sizeof(stlpanel_t)); - if (panelp == (stlpanel_t *) NULL) { + panelp = kzalloc(sizeof(stlpanel_t), GFP_KERNEL); + if (!panelp) { printk("STALLION: failed to allocate memory " "(size=%d)\n", sizeof(stlpanel_t)); break; } - memset(panelp, 0, sizeof(stlpanel_t)); panelp->magic = STL_PANELMAGIC; panelp->brdnr = brdp->brdnr; panelp->panelnr = panelnr; @@ -3074,8 +3058,8 @@ static int __init stl_init(void) /* * Allocate a temporary write buffer. */ - stl_tmpwritebuf = (char *) stl_memalloc(STL_TXBUFSIZE); - if (stl_tmpwritebuf == (char *) NULL) + stl_tmpwritebuf = kmalloc(STL_TXBUFSIZE, GFP_KERNEL); + if (!stl_tmpwritebuf) printk("STALLION: failed to allocate memory (size=%d)\n", STL_TXBUFSIZE); diff --git a/drivers/char/tlclk.c b/drivers/char/tlclk.c index 2546637a55c..f58ad7f6826 100644 --- a/drivers/char/tlclk.c +++ b/drivers/char/tlclk.c @@ -327,7 +327,7 @@ static ssize_t store_received_ref_clk3a(struct device *d, return strnlen(buf, count); } -static DEVICE_ATTR(received_ref_clk3a, S_IWUGO, NULL, +static DEVICE_ATTR(received_ref_clk3a, (S_IWUSR|S_IWGRP), NULL, store_received_ref_clk3a); @@ -349,7 +349,7 @@ static ssize_t store_received_ref_clk3b(struct device *d, return strnlen(buf, count); } -static DEVICE_ATTR(received_ref_clk3b, S_IWUGO, NULL, +static DEVICE_ATTR(received_ref_clk3b, (S_IWUSR|S_IWGRP), NULL, store_received_ref_clk3b); @@ -371,7 +371,7 @@ static ssize_t store_enable_clk3b_output(struct device *d, return strnlen(buf, count); } -static DEVICE_ATTR(enable_clk3b_output, S_IWUGO, NULL, +static DEVICE_ATTR(enable_clk3b_output, (S_IWUSR|S_IWGRP), NULL, store_enable_clk3b_output); static ssize_t store_enable_clk3a_output(struct device *d, @@ -392,7 +392,7 @@ static ssize_t store_enable_clk3a_output(struct device *d, return strnlen(buf, count); } -static DEVICE_ATTR(enable_clk3a_output, S_IWUGO, NULL, +static DEVICE_ATTR(enable_clk3a_output, (S_IWUSR|S_IWGRP), NULL, store_enable_clk3a_output); static ssize_t store_enable_clkb1_output(struct device *d, @@ -413,7 +413,7 @@ static ssize_t store_enable_clkb1_output(struct device *d, return strnlen(buf, count); } -static DEVICE_ATTR(enable_clkb1_output, S_IWUGO, NULL, +static DEVICE_ATTR(enable_clkb1_output, (S_IWUSR|S_IWGRP), NULL, store_enable_clkb1_output); @@ -435,7 +435,7 @@ static ssize_t store_enable_clka1_output(struct device *d, return strnlen(buf, count); } -static DEVICE_ATTR(enable_clka1_output, S_IWUGO, NULL, +static DEVICE_ATTR(enable_clka1_output, (S_IWUSR|S_IWGRP), NULL, store_enable_clka1_output); static ssize_t store_enable_clkb0_output(struct device *d, @@ -456,7 +456,7 @@ static ssize_t store_enable_clkb0_output(struct device *d, return strnlen(buf, count); } -static DEVICE_ATTR(enable_clkb0_output, S_IWUGO, NULL, +static DEVICE_ATTR(enable_clkb0_output, (S_IWUSR|S_IWGRP), NULL, store_enable_clkb0_output); static ssize_t store_enable_clka0_output(struct device *d, @@ -477,7 +477,7 @@ static ssize_t store_enable_clka0_output(struct device *d, return strnlen(buf, count); } -static DEVICE_ATTR(enable_clka0_output, S_IWUGO, NULL, +static DEVICE_ATTR(enable_clka0_output, (S_IWUSR|S_IWGRP), NULL, store_enable_clka0_output); static ssize_t store_select_amcb2_transmit_clock(struct device *d, @@ -519,7 +519,7 @@ static ssize_t store_select_amcb2_transmit_clock(struct device *d, return strnlen(buf, count); } -static DEVICE_ATTR(select_amcb2_transmit_clock, S_IWUGO, NULL, +static DEVICE_ATTR(select_amcb2_transmit_clock, (S_IWUSR|S_IWGRP), NULL, store_select_amcb2_transmit_clock); static ssize_t store_select_amcb1_transmit_clock(struct device *d, @@ -560,7 +560,7 @@ static ssize_t store_select_amcb1_transmit_clock(struct device *d, return strnlen(buf, count); } -static DEVICE_ATTR(select_amcb1_transmit_clock, S_IWUGO, NULL, +static DEVICE_ATTR(select_amcb1_transmit_clock, (S_IWUSR|S_IWGRP), NULL, store_select_amcb1_transmit_clock); static ssize_t store_select_redundant_clock(struct device *d, @@ -581,7 +581,7 @@ static ssize_t store_select_redundant_clock(struct device *d, return strnlen(buf, count); } -static DEVICE_ATTR(select_redundant_clock, S_IWUGO, NULL, +static DEVICE_ATTR(select_redundant_clock, (S_IWUSR|S_IWGRP), NULL, store_select_redundant_clock); static ssize_t store_select_ref_frequency(struct device *d, @@ -602,7 +602,7 @@ static ssize_t store_select_ref_frequency(struct device *d, return strnlen(buf, count); } -static DEVICE_ATTR(select_ref_frequency, S_IWUGO, NULL, +static DEVICE_ATTR(select_ref_frequency, (S_IWUSR|S_IWGRP), NULL, store_select_ref_frequency); static ssize_t store_filter_select(struct device *d, @@ -623,7 +623,7 @@ static ssize_t store_filter_select(struct device *d, return strnlen(buf, count); } -static DEVICE_ATTR(filter_select, S_IWUGO, NULL, store_filter_select); +static DEVICE_ATTR(filter_select, (S_IWUSR|S_IWGRP), NULL, store_filter_select); static ssize_t store_hardware_switching_mode(struct device *d, struct device_attribute *attr, const char *buf, size_t count) @@ -643,7 +643,7 @@ static ssize_t store_hardware_switching_mode(struct device *d, return strnlen(buf, count); } -static DEVICE_ATTR(hardware_switching_mode, S_IWUGO, NULL, +static DEVICE_ATTR(hardware_switching_mode, (S_IWUSR|S_IWGRP), NULL, store_hardware_switching_mode); static ssize_t store_hardware_switching(struct device *d, @@ -664,7 +664,7 @@ static ssize_t store_hardware_switching(struct device *d, return strnlen(buf, count); } -static DEVICE_ATTR(hardware_switching, S_IWUGO, NULL, +static DEVICE_ATTR(hardware_switching, (S_IWUSR|S_IWGRP), NULL, store_hardware_switching); static ssize_t store_refalign (struct device *d, @@ -684,7 +684,7 @@ static ssize_t store_refalign (struct device *d, return strnlen(buf, count); } -static DEVICE_ATTR(refalign, S_IWUGO, NULL, store_refalign); +static DEVICE_ATTR(refalign, (S_IWUSR|S_IWGRP), NULL, store_refalign); static ssize_t store_mode_select (struct device *d, struct device_attribute *attr, const char *buf, size_t count) @@ -704,7 +704,7 @@ static ssize_t store_mode_select (struct device *d, return strnlen(buf, count); } -static DEVICE_ATTR(mode_select, S_IWUGO, NULL, store_mode_select); +static DEVICE_ATTR(mode_select, (S_IWUSR|S_IWGRP), NULL, store_mode_select); static ssize_t store_reset (struct device *d, struct device_attribute *attr, const char *buf, size_t count) @@ -724,7 +724,7 @@ static ssize_t store_reset (struct device *d, return strnlen(buf, count); } -static DEVICE_ATTR(reset, S_IWUGO, NULL, store_reset); +static DEVICE_ATTR(reset, (S_IWUSR|S_IWGRP), NULL, store_reset); static struct attribute *tlclk_sysfs_entries[] = { &dev_attr_current_ref.attr, diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 0bfd1b63662..841f0bd3eaa 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -351,10 +351,10 @@ int tty_buffer_request_room(struct tty_struct *tty, size_t size) spin_unlock_irqrestore(&tty->buf.lock, flags); return size; } - EXPORT_SYMBOL_GPL(tty_buffer_request_room); -int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, size_t size) +int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, + size_t size) { int copied = 0; do { @@ -368,17 +368,16 @@ int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, s tb->used += space; copied += space; chars += space; -/* printk("Flip insert %d.\n", space); */ } /* There is a small chance that we need to split the data over several buffers. If this is the case we must loop */ while (unlikely(size > copied)); return copied; } +EXPORT_SYMBOL(tty_insert_flip_string); -EXPORT_SYMBOL_GPL(tty_insert_flip_string); - -int tty_insert_flip_string_flags(struct tty_struct *tty, const unsigned char *chars, const char *flags, size_t size) +int tty_insert_flip_string_flags(struct tty_struct *tty, + const unsigned char *chars, const char *flags, size_t size) { int copied = 0; do { @@ -399,9 +398,20 @@ int tty_insert_flip_string_flags(struct tty_struct *tty, const unsigned char *ch while (unlikely(size > copied)); return copied; } - EXPORT_SYMBOL_GPL(tty_insert_flip_string_flags); +void tty_schedule_flip(struct tty_struct *tty) +{ + unsigned long flags; + spin_lock_irqsave(&tty->buf.lock, flags); + if (tty->buf.tail != NULL) { + tty->buf.tail->active = 0; + tty->buf.tail->commit = tty->buf.tail->used; + } + spin_unlock_irqrestore(&tty->buf.lock, flags); + schedule_delayed_work(&tty->buf.work, 1); +} +EXPORT_SYMBOL(tty_schedule_flip); /* * Prepare a block of space in the buffer for data. Returns the length @@ -1730,7 +1740,7 @@ static void release_dev(struct file * filp) { struct tty_struct *tty, *o_tty; int pty_master, tty_closing, o_tty_closing, do_sleep; - int devpts_master, devpts; + int devpts; int idx; char buf[64]; unsigned long flags; @@ -1747,7 +1757,6 @@ static void release_dev(struct file * filp) pty_master = (tty->driver->type == TTY_DRIVER_TYPE_PTY && tty->driver->subtype == PTY_TYPE_MASTER); devpts = (tty->driver->flags & TTY_DRIVER_DEVPTS_MEM) != 0; - devpts_master = pty_master && devpts; o_tty = tty->link; #ifdef TTY_PARANOIA_CHECK @@ -2185,6 +2194,7 @@ static int ptmx_open(struct inode * inode, struct file * filp) return 0; out1: release_dev(filp); + return retval; out: down(&allocated_ptys_lock); idr_remove(&allocated_ptys, index); @@ -2724,7 +2734,7 @@ static void __do_SAK(void *arg) printk(KERN_NOTICE "SAK: killed process %d" " (%s): fd#%d opened to the tty\n", p->pid, p->comm, i); - send_sig(SIGKILL, p, 1); + force_sig(SIGKILL, p); break; } } diff --git a/drivers/char/vr41xx_rtc.c b/drivers/char/vr41xx_rtc.c deleted file mode 100644 index b109d9a502d..00000000000 --- a/drivers/char/vr41xx_rtc.c +++ /dev/null @@ -1,717 +0,0 @@ -/* - * Driver for NEC VR4100 series Real Time Clock unit. - * - * Copyright (C) 2003-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include <linux/platform_device.h> -#include <linux/fs.h> -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/irq.h> -#include <linux/mc146818rtc.h> -#include <linux/miscdevice.h> -#include <linux/module.h> -#include <linux/poll.h> -#include <linux/rtc.h> -#include <linux/spinlock.h> -#include <linux/types.h> -#include <linux/wait.h> - -#include <asm/div64.h> -#include <asm/io.h> -#include <asm/time.h> -#include <asm/uaccess.h> -#include <asm/vr41xx/vr41xx.h> - -MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>"); -MODULE_DESCRIPTION("NEC VR4100 series RTC driver"); -MODULE_LICENSE("GPL"); - -#define RTC1_TYPE1_START 0x0b0000c0UL -#define RTC1_TYPE1_END 0x0b0000dfUL -#define RTC2_TYPE1_START 0x0b0001c0UL -#define RTC2_TYPE1_END 0x0b0001dfUL - -#define RTC1_TYPE2_START 0x0f000100UL -#define RTC1_TYPE2_END 0x0f00011fUL -#define RTC2_TYPE2_START 0x0f000120UL -#define RTC2_TYPE2_END 0x0f00013fUL - -#define RTC1_SIZE 0x20 -#define RTC2_SIZE 0x20 - -/* RTC 1 registers */ -#define ETIMELREG 0x00 -#define ETIMEMREG 0x02 -#define ETIMEHREG 0x04 -/* RFU */ -#define ECMPLREG 0x08 -#define ECMPMREG 0x0a -#define ECMPHREG 0x0c -/* RFU */ -#define RTCL1LREG 0x10 -#define RTCL1HREG 0x12 -#define RTCL1CNTLREG 0x14 -#define RTCL1CNTHREG 0x16 -#define RTCL2LREG 0x18 -#define RTCL2HREG 0x1a -#define RTCL2CNTLREG 0x1c -#define RTCL2CNTHREG 0x1e - -/* RTC 2 registers */ -#define TCLKLREG 0x00 -#define TCLKHREG 0x02 -#define TCLKCNTLREG 0x04 -#define TCLKCNTHREG 0x06 -/* RFU */ -#define RTCINTREG 0x1e - #define TCLOCK_INT 0x08 - #define RTCLONG2_INT 0x04 - #define RTCLONG1_INT 0x02 - #define ELAPSEDTIME_INT 0x01 - -#define RTC_FREQUENCY 32768 -#define MAX_PERIODIC_RATE 6553 -#define MAX_USER_PERIODIC_RATE 64 - -static void __iomem *rtc1_base; -static void __iomem *rtc2_base; - -#define rtc1_read(offset) readw(rtc1_base + (offset)) -#define rtc1_write(offset, value) writew((value), rtc1_base + (offset)) - -#define rtc2_read(offset) readw(rtc2_base + (offset)) -#define rtc2_write(offset, value) writew((value), rtc2_base + (offset)) - -static unsigned long epoch = 1970; /* Jan 1 1970 00:00:00 */ - -static spinlock_t rtc_task_lock; -static wait_queue_head_t rtc_wait; -static unsigned long rtc_irq_data; -static struct fasync_struct *rtc_async_queue; -static rtc_task_t *rtc_callback; -static char rtc_name[] = "RTC"; -static unsigned long periodic_frequency; -static unsigned long periodic_count; - -typedef enum { - RTC_RELEASE, - RTC_OPEN, -} rtc_status_t; - -static rtc_status_t rtc_status; - -typedef enum { - FUNCTION_RTC_IOCTL, - FUNCTION_RTC_CONTROL, -} rtc_callfrom_t; - -struct resource rtc_resource[2] = { - { .name = rtc_name, - .flags = IORESOURCE_MEM, }, - { .name = rtc_name, - .flags = IORESOURCE_MEM, }, -}; - -static inline unsigned long read_elapsed_second(void) -{ - unsigned long first_low, first_mid, first_high; - unsigned long second_low, second_mid, second_high; - - do { - first_low = rtc1_read(ETIMELREG); - first_mid = rtc1_read(ETIMEMREG); - first_high = rtc1_read(ETIMEHREG); - second_low = rtc1_read(ETIMELREG); - second_mid = rtc1_read(ETIMEMREG); - second_high = rtc1_read(ETIMEHREG); - } while (first_low != second_low || first_mid != second_mid || - first_high != second_high); - - return (first_high << 17) | (first_mid << 1) | (first_low >> 15); -} - -static inline void write_elapsed_second(unsigned long sec) -{ - spin_lock_irq(&rtc_lock); - - rtc1_write(ETIMELREG, (uint16_t)(sec << 15)); - rtc1_write(ETIMEMREG, (uint16_t)(sec >> 1)); - rtc1_write(ETIMEHREG, (uint16_t)(sec >> 17)); - - spin_unlock_irq(&rtc_lock); -} - -static void set_alarm(struct rtc_time *time) -{ - unsigned long alarm_sec; - - alarm_sec = mktime(time->tm_year + 1900, time->tm_mon + 1, time->tm_mday, - time->tm_hour, time->tm_min, time->tm_sec); - - spin_lock_irq(&rtc_lock); - - rtc1_write(ECMPLREG, (uint16_t)(alarm_sec << 15)); - rtc1_write(ECMPMREG, (uint16_t)(alarm_sec >> 1)); - rtc1_write(ECMPHREG, (uint16_t)(alarm_sec >> 17)); - - spin_unlock_irq(&rtc_lock); -} - -static void read_alarm(struct rtc_time *time) -{ - unsigned long low, mid, high; - - spin_lock_irq(&rtc_lock); - - low = rtc1_read(ECMPLREG); - mid = rtc1_read(ECMPMREG); - high = rtc1_read(ECMPHREG); - - spin_unlock_irq(&rtc_lock); - - to_tm((high << 17) | (mid << 1) | (low >> 15), time); - time->tm_year -= 1900; -} - -static void read_time(struct rtc_time *time) -{ - unsigned long epoch_sec, elapsed_sec; - - epoch_sec = mktime(epoch, 1, 1, 0, 0, 0); - elapsed_sec = read_elapsed_second(); - - to_tm(epoch_sec + elapsed_sec, time); - time->tm_year -= 1900; -} - -static void set_time(struct rtc_time *time) -{ - unsigned long epoch_sec, current_sec; - - epoch_sec = mktime(epoch, 1, 1, 0, 0, 0); - current_sec = mktime(time->tm_year + 1900, time->tm_mon + 1, time->tm_mday, - time->tm_hour, time->tm_min, time->tm_sec); - - write_elapsed_second(current_sec - epoch_sec); -} - -static ssize_t rtc_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) -{ - DECLARE_WAITQUEUE(wait, current); - unsigned long irq_data; - int retval = 0; - - if (count != sizeof(unsigned int) && count != sizeof(unsigned long)) - return -EINVAL; - - add_wait_queue(&rtc_wait, &wait); - - do { - __set_current_state(TASK_INTERRUPTIBLE); - - spin_lock_irq(&rtc_lock); - irq_data = rtc_irq_data; - rtc_irq_data = 0; - spin_unlock_irq(&rtc_lock); - - if (irq_data != 0) - break; - - if (file->f_flags & O_NONBLOCK) { - retval = -EAGAIN; - break; - } - - if (signal_pending(current)) { - retval = -ERESTARTSYS; - break; - } - } while (1); - - if (retval == 0) { - if (count == sizeof(unsigned int)) { - retval = put_user(irq_data, (unsigned int __user *)buf); - if (retval == 0) - retval = sizeof(unsigned int); - } else { - retval = put_user(irq_data, (unsigned long __user *)buf); - if (retval == 0) - retval = sizeof(unsigned long); - } - - } - - __set_current_state(TASK_RUNNING); - remove_wait_queue(&rtc_wait, &wait); - - return retval; -} - -static unsigned int rtc_poll(struct file *file, struct poll_table_struct *table) -{ - poll_wait(file, &rtc_wait, table); - - if (rtc_irq_data != 0) - return POLLIN | POLLRDNORM; - - return 0; -} - -static int rtc_do_ioctl(unsigned int cmd, unsigned long arg, rtc_callfrom_t from) -{ - struct rtc_time time; - unsigned long count; - - switch (cmd) { - case RTC_AIE_ON: - enable_irq(ELAPSEDTIME_IRQ); - break; - case RTC_AIE_OFF: - disable_irq(ELAPSEDTIME_IRQ); - break; - case RTC_PIE_ON: - enable_irq(RTCLONG1_IRQ); - break; - case RTC_PIE_OFF: - disable_irq(RTCLONG1_IRQ); - break; - case RTC_ALM_SET: - if (copy_from_user(&time, (struct rtc_time __user *)arg, - sizeof(struct rtc_time))) - return -EFAULT; - - set_alarm(&time); - break; - case RTC_ALM_READ: - memset(&time, 0, sizeof(struct rtc_time)); - read_alarm(&time); - break; - case RTC_RD_TIME: - memset(&time, 0, sizeof(struct rtc_time)); - read_time(&time); - if (copy_to_user((void __user *)arg, &time, sizeof(struct rtc_time))) - return -EFAULT; - break; - case RTC_SET_TIME: - if (capable(CAP_SYS_TIME) == 0) - return -EACCES; - - if (copy_from_user(&time, (struct rtc_time __user *)arg, - sizeof(struct rtc_time))) - return -EFAULT; - - set_time(&time); - break; - case RTC_IRQP_READ: - return put_user(periodic_frequency, (unsigned long __user *)arg); - break; - case RTC_IRQP_SET: - if (arg > MAX_PERIODIC_RATE) - return -EINVAL; - - if (from == FUNCTION_RTC_IOCTL && arg > MAX_USER_PERIODIC_RATE && - capable(CAP_SYS_RESOURCE) == 0) - return -EACCES; - - periodic_frequency = arg; - - count = RTC_FREQUENCY; - do_div(count, arg); - - periodic_count = count; - - spin_lock_irq(&rtc_lock); - - rtc1_write(RTCL1LREG, count); - rtc1_write(RTCL1HREG, count >> 16); - - spin_unlock_irq(&rtc_lock); - break; - case RTC_EPOCH_READ: - return put_user(epoch, (unsigned long __user *)arg); - case RTC_EPOCH_SET: - /* Doesn't support before 1900 */ - if (arg < 1900) - return -EINVAL; - - if (capable(CAP_SYS_TIME) == 0) - return -EACCES; - - epoch = arg; - break; - default: - return -EINVAL; - } - - return 0; -} - -static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg) -{ - return rtc_do_ioctl(cmd, arg, FUNCTION_RTC_IOCTL); -} - -static int rtc_open(struct inode *inode, struct file *file) -{ - spin_lock_irq(&rtc_lock); - - if (rtc_status == RTC_OPEN) { - spin_unlock_irq(&rtc_lock); - return -EBUSY; - } - - rtc_status = RTC_OPEN; - rtc_irq_data = 0; - - spin_unlock_irq(&rtc_lock); - - return 0; -} - -static int rtc_release(struct inode *inode, struct file *file) -{ - if (file->f_flags & FASYNC) - (void)fasync_helper(-1, file, 0, &rtc_async_queue); - - spin_lock_irq(&rtc_lock); - - rtc1_write(ECMPLREG, 0); - rtc1_write(ECMPMREG, 0); - rtc1_write(ECMPHREG, 0); - rtc1_write(RTCL1LREG, 0); - rtc1_write(RTCL1HREG, 0); - - rtc_status = RTC_RELEASE; - - spin_unlock_irq(&rtc_lock); - - disable_irq(ELAPSEDTIME_IRQ); - disable_irq(RTCLONG1_IRQ); - - return 0; -} - -static int rtc_fasync(int fd, struct file *file, int on) -{ - return fasync_helper(fd, file, on, &rtc_async_queue); -} - -static struct file_operations rtc_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .read = rtc_read, - .poll = rtc_poll, - .ioctl = rtc_ioctl, - .open = rtc_open, - .release = rtc_release, - .fasync = rtc_fasync, -}; - -static irqreturn_t elapsedtime_interrupt(int irq, void *dev_id, struct pt_regs *regs) -{ - spin_lock(&rtc_lock); - rtc2_write(RTCINTREG, ELAPSEDTIME_INT); - - rtc_irq_data += 0x100; - rtc_irq_data &= ~0xff; - rtc_irq_data |= RTC_AF; - spin_unlock(&rtc_lock); - - spin_lock(&rtc_lock); - if (rtc_callback) - rtc_callback->func(rtc_callback->private_data); - spin_unlock(&rtc_lock); - - wake_up_interruptible(&rtc_wait); - - kill_fasync(&rtc_async_queue, SIGIO, POLL_IN); - - return IRQ_HANDLED; -} - -static irqreturn_t rtclong1_interrupt(int irq, void *dev_id, struct pt_regs *regs) -{ - unsigned long count = periodic_count; - - spin_lock(&rtc_lock); - rtc2_write(RTCINTREG, RTCLONG1_INT); - - rtc1_write(RTCL1LREG, count); - rtc1_write(RTCL1HREG, count >> 16); - - rtc_irq_data += 0x100; - rtc_irq_data &= ~0xff; - rtc_irq_data |= RTC_PF; - spin_unlock(&rtc_lock); - - spin_lock(&rtc_task_lock); - if (rtc_callback) - rtc_callback->func(rtc_callback->private_data); - spin_unlock(&rtc_task_lock); - - wake_up_interruptible(&rtc_wait); - - kill_fasync(&rtc_async_queue, SIGIO, POLL_IN); - - return IRQ_HANDLED; -} - -int rtc_register(rtc_task_t *task) -{ - if (task == NULL || task->func == NULL) - return -EINVAL; - - spin_lock_irq(&rtc_lock); - if (rtc_status == RTC_OPEN) { - spin_unlock_irq(&rtc_lock); - return -EBUSY; - } - - spin_lock(&rtc_task_lock); - if (rtc_callback != NULL) { - spin_unlock(&rtc_task_lock); - spin_unlock_irq(&rtc_task_lock); - return -EBUSY; - } - - rtc_callback = task; - spin_unlock(&rtc_task_lock); - - rtc_status = RTC_OPEN; - - spin_unlock_irq(&rtc_lock); - - return 0; -} - -EXPORT_SYMBOL_GPL(rtc_register); - -int rtc_unregister(rtc_task_t *task) -{ - spin_lock_irq(&rtc_task_lock); - if (task == NULL || rtc_callback != task) { - spin_unlock_irq(&rtc_task_lock); - return -ENXIO; - } - - spin_lock(&rtc_lock); - - rtc1_write(ECMPLREG, 0); - rtc1_write(ECMPMREG, 0); - rtc1_write(ECMPHREG, 0); - rtc1_write(RTCL1LREG, 0); - rtc1_write(RTCL1HREG, 0); - - rtc_status = RTC_RELEASE; - - spin_unlock(&rtc_lock); - - rtc_callback = NULL; - - spin_unlock_irq(&rtc_task_lock); - - disable_irq(ELAPSEDTIME_IRQ); - disable_irq(RTCLONG1_IRQ); - - return 0; -} - -EXPORT_SYMBOL_GPL(rtc_unregister); - -int rtc_control(rtc_task_t *task, unsigned int cmd, unsigned long arg) -{ - int retval = 0; - - spin_lock_irq(&rtc_task_lock); - - if (rtc_callback != task) - retval = -ENXIO; - else - rtc_do_ioctl(cmd, arg, FUNCTION_RTC_CONTROL); - - spin_unlock_irq(&rtc_task_lock); - - return retval; -} - -EXPORT_SYMBOL_GPL(rtc_control); - -static struct miscdevice rtc_miscdevice = { - .minor = RTC_MINOR, - .name = rtc_name, - .fops = &rtc_fops, -}; - -static int __devinit rtc_probe(struct platform_device *pdev) -{ - unsigned int irq; - int retval; - - if (pdev->num_resources != 2) - return -EBUSY; - - rtc1_base = ioremap(pdev->resource[0].start, RTC1_SIZE); - if (rtc1_base == NULL) - return -EBUSY; - - rtc2_base = ioremap(pdev->resource[1].start, RTC2_SIZE); - if (rtc2_base == NULL) { - iounmap(rtc1_base); - rtc1_base = NULL; - return -EBUSY; - } - - retval = misc_register(&rtc_miscdevice); - if (retval < 0) { - iounmap(rtc1_base); - iounmap(rtc2_base); - rtc1_base = NULL; - rtc2_base = NULL; - return retval; - } - - spin_lock_irq(&rtc_lock); - - rtc1_write(ECMPLREG, 0); - rtc1_write(ECMPMREG, 0); - rtc1_write(ECMPHREG, 0); - rtc1_write(RTCL1LREG, 0); - rtc1_write(RTCL1HREG, 0); - - rtc_status = RTC_RELEASE; - rtc_irq_data = 0; - - spin_unlock_irq(&rtc_lock); - - init_waitqueue_head(&rtc_wait); - - irq = ELAPSEDTIME_IRQ; - retval = request_irq(irq, elapsedtime_interrupt, SA_INTERRUPT, - "elapsed_time", NULL); - if (retval == 0) { - irq = RTCLONG1_IRQ; - retval = request_irq(irq, rtclong1_interrupt, SA_INTERRUPT, - "rtclong1", NULL); - } - - if (retval < 0) { - printk(KERN_ERR "rtc: IRQ%d is busy\n", irq); - if (irq == RTCLONG1_IRQ) - free_irq(ELAPSEDTIME_IRQ, NULL); - iounmap(rtc1_base); - iounmap(rtc2_base); - rtc1_base = NULL; - rtc2_base = NULL; - return retval; - } - - disable_irq(ELAPSEDTIME_IRQ); - disable_irq(RTCLONG1_IRQ); - - spin_lock_init(&rtc_task_lock); - - printk(KERN_INFO "rtc: Real Time Clock of NEC VR4100 series\n"); - - return 0; -} - -static int __devexit rtc_remove(struct platform_device *dev) -{ - int retval; - - retval = misc_deregister(&rtc_miscdevice); - if (retval < 0) - return retval; - - free_irq(ELAPSEDTIME_IRQ, NULL); - free_irq(RTCLONG1_IRQ, NULL); - if (rtc1_base != NULL) - iounmap(rtc1_base); - if (rtc2_base != NULL) - iounmap(rtc2_base); - - return 0; -} - -static struct platform_device *rtc_platform_device; - -static struct platform_driver rtc_device_driver = { - .probe = rtc_probe, - .remove = __devexit_p(rtc_remove), - .driver = { - .name = rtc_name, - .owner = THIS_MODULE, - }, -}; - -static int __init vr41xx_rtc_init(void) -{ - int retval; - - switch (current_cpu_data.cputype) { - case CPU_VR4111: - case CPU_VR4121: - rtc_resource[0].start = RTC1_TYPE1_START; - rtc_resource[0].end = RTC1_TYPE1_END; - rtc_resource[1].start = RTC2_TYPE1_START; - rtc_resource[1].end = RTC2_TYPE1_END; - break; - case CPU_VR4122: - case CPU_VR4131: - case CPU_VR4133: - rtc_resource[0].start = RTC1_TYPE2_START; - rtc_resource[0].end = RTC1_TYPE2_END; - rtc_resource[1].start = RTC2_TYPE2_START; - rtc_resource[1].end = RTC2_TYPE2_END; - break; - default: - return -ENODEV; - break; - } - - rtc_platform_device = platform_device_alloc("RTC", -1); - if (!rtc_platform_device) - return -ENOMEM; - - retval = platform_device_add_resources(rtc_platform_device, - rtc_resource, ARRAY_SIZE(rtc_resource)); - - if (retval == 0) - retval = platform_device_add(rtc_platform_device); - - if (retval < 0) { - platform_device_put(rtc_platform_device); - return retval; - } - - retval = platform_driver_register(&rtc_device_driver); - if (retval < 0) - platform_device_unregister(rtc_platform_device); - - return retval; -} - -static void __exit vr41xx_rtc_exit(void) -{ - platform_driver_unregister(&rtc_device_driver); - platform_device_unregister(rtc_platform_device); -} - -module_init(vr41xx_rtc_init); -module_exit(vr41xx_rtc_exit); diff --git a/drivers/char/vt.c b/drivers/char/vt.c index ca4844c527d..acc5d47844e 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -2328,6 +2328,10 @@ int tioclinux(struct tty_struct *tty, unsigned long arg) case TIOCL_SETVESABLANK: set_vesa_blanking(p); break; + case TIOCL_GETKMSGREDIRECT: + data = kmsg_redirect; + ret = __put_user(data, p); + break; case TIOCL_SETKMSGREDIRECT: if (!capable(CAP_SYS_ADMIN)) { ret = -EPERM; diff --git a/drivers/char/watchdog/Kconfig b/drivers/char/watchdog/Kconfig index 16e99db2e12..d53f664a4dd 100644 --- a/drivers/char/watchdog/Kconfig +++ b/drivers/char/watchdog/Kconfig @@ -60,6 +60,13 @@ config SOFT_WATCHDOG # ARM Architecture +config AT91_WATCHDOG + tristate "AT91RM9200 watchdog" + depends on WATCHDOG && ARCH_AT91RM9200 + help + Watchdog timer embedded into AT91RM9200 chips. This will reboot your + system when the timeout is reached. + config 21285_WATCHDOG tristate "DC21285 watchdog" depends on WATCHDOG && FOOTBRIDGE diff --git a/drivers/char/watchdog/Makefile b/drivers/char/watchdog/Makefile index d6f27fde990..6ab77b61a64 100644 --- a/drivers/char/watchdog/Makefile +++ b/drivers/char/watchdog/Makefile @@ -23,6 +23,7 @@ obj-$(CONFIG_WDTPCI) += wdt_pci.o obj-$(CONFIG_USBPCWATCHDOG) += pcwd_usb.o # ARM Architecture +obj-$(CONFIG_AT91_WATCHDOG) += at91_wdt.o obj-$(CONFIG_21285_WATCHDOG) += wdt285.o obj-$(CONFIG_977_WATCHDOG) += wdt977.o obj-$(CONFIG_IXP2000_WATCHDOG) += ixp2000_wdt.o diff --git a/drivers/char/watchdog/at91_wdt.c b/drivers/char/watchdog/at91_wdt.c new file mode 100644 index 00000000000..ac83bc4b019 --- /dev/null +++ b/drivers/char/watchdog/at91_wdt.c @@ -0,0 +1,228 @@ +/* + * Watchdog driver for Atmel AT91RM9200 (Thunder) + * + * Copyright (C) 2003 SAN People (Pty) Ltd + * + * 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; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/config.h> +#include <linux/errno.h> +#include <linux/fs.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/miscdevice.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/types.h> +#include <linux/watchdog.h> +#include <asm/bitops.h> +#include <asm/uaccess.h> + + +#define WDT_DEFAULT_TIME 5 /* 5 seconds */ +#define WDT_MAX_TIME 256 /* 256 seconds */ + +static int wdt_time = WDT_DEFAULT_TIME; +static int nowayout = WATCHDOG_NOWAYOUT; + +module_param(wdt_time, int, 0); +MODULE_PARM_DESC(wdt_time, "Watchdog time in seconds. (default="__MODULE_STRING(WDT_DEFAULT_TIME) ")"); + +module_param(nowayout, int, 0); +MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); + + +static unsigned long at91wdt_busy; + +/* ......................................................................... */ + +/* + * Disable the watchdog. + */ +static void inline at91_wdt_stop(void) +{ + at91_sys_write(AT91_ST_WDMR, AT91_ST_EXTEN); +} + +/* + * Enable and reset the watchdog. + */ +static void inline at91_wdt_start(void) +{ + at91_sys_write(AT91_ST_WDMR, AT91_ST_EXTEN | AT91_ST_RSTEN | (((65536 * wdt_time) >> 8) & AT91_ST_WDV)); + at91_sys_write(AT91_ST_CR, AT91_ST_WDRST); +} + +/* + * Reload the watchdog timer. (ie, pat the watchdog) + */ +static void inline at91_wdt_reload(void) +{ + at91_sys_write(AT91_ST_CR, AT91_ST_WDRST); +} + +/* ......................................................................... */ + +/* + * Watchdog device is opened, and watchdog starts running. + */ +static int at91_wdt_open(struct inode *inode, struct file *file) +{ + if (test_and_set_bit(0, &at91wdt_busy)) + return -EBUSY; + + at91_wdt_start(); + return nonseekable_open(inode, file); +} + +/* + * Close the watchdog device. + * If CONFIG_WATCHDOG_NOWAYOUT is NOT defined then the watchdog is also + * disabled. + */ +static int at91_wdt_close(struct inode *inode, struct file *file) +{ + if (!nowayout) + at91_wdt_stop(); /* Disable the watchdog when file is closed */ + + clear_bit(0, &at91wdt_busy); + return 0; +} + +/* + * Change the watchdog time interval. + */ +static int at91_wdt_settimeout(int new_time) +{ + /* + * All counting occurs at SLOW_CLOCK / 128 = 0.256 Hz + * + * Since WDV is a 16-bit counter, the maximum period is + * 65536 / 0.256 = 256 seconds. + */ + if ((new_time <= 0) || (new_time > WDT_MAX_TIME)) + return -EINVAL; + + /* Set new watchdog time. It will be used when at91_wdt_start() is called. */ + wdt_time = new_time; + return 0; +} + +static struct watchdog_info at91_wdt_info = { + .identity = "at91 watchdog", + .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING, +}; + +/* + * Handle commands from user-space. + */ +static int at91_wdt_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + void __user *argp = (void __user *)arg; + int __user *p = argp; + int new_value; + + switch(cmd) { + case WDIOC_KEEPALIVE: + at91_wdt_reload(); /* pat the watchdog */ + return 0; + + case WDIOC_GETSUPPORT: + return copy_to_user(argp, &at91_wdt_info, sizeof(at91_wdt_info)) ? -EFAULT : 0; + + case WDIOC_SETTIMEOUT: + if (get_user(new_value, p)) + return -EFAULT; + + if (at91_wdt_settimeout(new_value)) + return -EINVAL; + + /* Enable new time value */ + at91_wdt_start(); + + /* Return current value */ + return put_user(wdt_time, p); + + case WDIOC_GETTIMEOUT: + return put_user(wdt_time, p); + + case WDIOC_GETSTATUS: + case WDIOC_GETBOOTSTATUS: + return put_user(0, p); + + case WDIOC_SETOPTIONS: + if (get_user(new_value, p)) + return -EFAULT; + + if (new_value & WDIOS_DISABLECARD) + at91_wdt_stop(); + if (new_value & WDIOS_ENABLECARD) + at91_wdt_start(); + return 0; + + default: + return -ENOIOCTLCMD; + } +} + +/* + * Pat the watchdog whenever device is written to. + */ +static ssize_t at91_wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos) +{ + at91_wdt_reload(); /* pat the watchdog */ + return len; +} + +/* ......................................................................... */ + +static struct file_operations at91wdt_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .ioctl = at91_wdt_ioctl, + .open = at91_wdt_open, + .release = at91_wdt_close, + .write = at91_wdt_write, +}; + +static struct miscdevice at91wdt_miscdev = { + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &at91wdt_fops, +}; + +static int __init at91_wdt_init(void) +{ + int res; + + /* Check that the heartbeat value is within range; if not reset to the default */ + if (at91_wdt_settimeout(wdt_time)) { + at91_wdt_settimeout(WDT_DEFAULT_TIME); + printk(KERN_INFO "at91_wdt: wdt_time value must be 1 <= wdt_time <= 256, using %d\n", wdt_time); + } + + res = misc_register(&at91wdt_miscdev); + if (res) + return res; + + printk("AT91 Watchdog Timer enabled (%d seconds, nowayout=%d)\n", wdt_time, nowayout); + return 0; +} + +static void __exit at91_wdt_exit(void) +{ + misc_deregister(&at91wdt_miscdev); +} + +module_init(at91_wdt_init); +module_exit(at91_wdt_exit); + +MODULE_AUTHOR("Andrew Victor"); +MODULE_DESCRIPTION("Watchdog driver for Atmel AT91RM9200"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); diff --git a/drivers/char/watchdog/pcwd.c b/drivers/char/watchdog/pcwd.c index 8d6b249ad66..6d44ca68312 100644 --- a/drivers/char/watchdog/pcwd.c +++ b/drivers/char/watchdog/pcwd.c @@ -66,15 +66,13 @@ #include <linux/fs.h> /* For file operations */ #include <linux/ioport.h> /* For io-port access */ #include <linux/spinlock.h> /* For spin_lock/spin_unlock/... */ -#include <linux/sched.h> /* TASK_INTERRUPTIBLE, set_current_state() and friends */ -#include <linux/slab.h> /* For kmalloc */ #include <asm/uaccess.h> /* For copy_to_user/put_user/... */ #include <asm/io.h> /* For inb/outb/... */ /* Module and version information */ -#define WATCHDOG_VERSION "1.16" -#define WATCHDOG_DATE "03 Jan 2006" +#define WATCHDOG_VERSION "1.17" +#define WATCHDOG_DATE "12 Feb 2006" #define WATCHDOG_DRIVER_NAME "ISA-PC Watchdog" #define WATCHDOG_NAME "pcwd" #define PFX WATCHDOG_NAME ": " @@ -96,15 +94,19 @@ * PCI-PC Watchdog card. */ /* Port 1 : Control Status #1 for the PC Watchdog card, revision A. */ -#define WD_WDRST 0x01 /* Previously reset state */ -#define WD_T110 0x02 /* Temperature overheat sense */ -#define WD_HRTBT 0x04 /* Heartbeat sense */ -#define WD_RLY2 0x08 /* External relay triggered */ -#define WD_SRLY2 0x80 /* Software external relay triggered */ +#define WD_WDRST 0x01 /* Previously reset state */ +#define WD_T110 0x02 /* Temperature overheat sense */ +#define WD_HRTBT 0x04 /* Heartbeat sense */ +#define WD_RLY2 0x08 /* External relay triggered */ +#define WD_SRLY2 0x80 /* Software external relay triggered */ /* Port 1 : Control Status #1 for the PC Watchdog card, revision C. */ -#define WD_REVC_WTRP 0x01 /* Watchdog Trip status */ -#define WD_REVC_HRBT 0x02 /* Watchdog Heartbeat */ -#define WD_REVC_TTRP 0x04 /* Temperature Trip status */ +#define WD_REVC_WTRP 0x01 /* Watchdog Trip status */ +#define WD_REVC_HRBT 0x02 /* Watchdog Heartbeat */ +#define WD_REVC_TTRP 0x04 /* Temperature Trip status */ +#define WD_REVC_RL2A 0x08 /* Relay 2 activated by on-board processor */ +#define WD_REVC_RL1A 0x10 /* Relay 1 active */ +#define WD_REVC_R2DS 0x40 /* Relay 2 disable */ +#define WD_REVC_RLY2 0x80 /* Relay 2 activated? */ /* Port 2 : Control Status #2 */ #define WD_WDIS 0x10 /* Watchdog Disabled */ #define WD_ENTP 0x20 /* Watchdog Enable Temperature Trip */ @@ -122,9 +124,14 @@ #define CMD_ISA_VERSION_HUNDRETH 0x03 #define CMD_ISA_VERSION_MINOR 0x04 #define CMD_ISA_SWITCH_SETTINGS 0x05 +#define CMD_ISA_RESET_PC 0x06 +#define CMD_ISA_ARM_0 0x07 +#define CMD_ISA_ARM_30 0x08 +#define CMD_ISA_ARM_60 0x09 #define CMD_ISA_DELAY_TIME_2SECS 0x0A #define CMD_ISA_DELAY_TIME_4SECS 0x0B #define CMD_ISA_DELAY_TIME_8SECS 0x0C +#define CMD_ISA_RESET_RELAYS 0x0D /* * We are using an kernel timer to do the pinging of the watchdog @@ -142,6 +149,7 @@ static atomic_t open_allowed = ATOMIC_INIT(1); static char expect_close; static int temp_panic; static struct { /* this is private data for each ISA-PC watchdog card */ + char fw_ver_str[6]; /* The cards firmware version */ int revision; /* The card's revision */ int supports_temp; /* Wether or not the card has a temperature device */ int command_mode; /* Wether or not the card is in command mode */ @@ -153,6 +161,13 @@ static struct { /* this is private data for each ISA-PC watchdog card */ } pcwd_private; /* module parameters */ +#define QUIET 0 /* Default */ +#define VERBOSE 1 /* Verbose */ +#define DEBUG 2 /* print fancy stuff too */ +static int debug = QUIET; +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "Debug level: 0=Quiet, 1=Verbose, 2=Debug (default=0)"); + #define WATCHDOG_HEARTBEAT 60 /* 60 sec default heartbeat */ static int heartbeat = WATCHDOG_HEARTBEAT; module_param(heartbeat, int, 0); @@ -172,6 +187,10 @@ static int send_isa_command(int cmd) int control_status; int port0, last_port0; /* Double read for stabilising */ + if (debug >= DEBUG) + printk(KERN_DEBUG PFX "sending following data cmd=0x%02x\n", + cmd); + /* The WCMD bit must be 1 and the command is only 4 bits in size */ control_status = (cmd & 0x0F) | WD_WCMD; outb_p(control_status, pcwd_private.io_addr + 2); @@ -188,6 +207,10 @@ static int send_isa_command(int cmd) udelay (250); } + if (debug >= DEBUG) + printk(KERN_DEBUG PFX "received following data for cmd=0x%02x: port0=0x%02x last_port0=0x%02x\n", + cmd, port0, last_port0); + return port0; } @@ -214,6 +237,10 @@ static int set_command_mode(void) spin_unlock(&pcwd_private.io_lock); pcwd_private.command_mode = found; + if (debug >= DEBUG) + printk(KERN_DEBUG PFX "command_mode=%d\n", + pcwd_private.command_mode); + return(found); } @@ -226,6 +253,10 @@ static void unset_command_mode(void) spin_unlock(&pcwd_private.io_lock); pcwd_private.command_mode = 0; + + if (debug >= DEBUG) + printk(KERN_DEBUG PFX "command_mode=%d\n", + pcwd_private.command_mode); } static inline void pcwd_check_temperature_support(void) @@ -234,27 +265,22 @@ static inline void pcwd_check_temperature_support(void) pcwd_private.supports_temp = 1; } -static inline char *get_firmware(void) +static inline void pcwd_get_firmware(void) { int one, ten, hund, minor; - char *ret; - ret = kmalloc(6, GFP_KERNEL); - if(ret == NULL) - return NULL; + strcpy(pcwd_private.fw_ver_str, "ERROR"); if (set_command_mode()) { one = send_isa_command(CMD_ISA_VERSION_INTEGER); ten = send_isa_command(CMD_ISA_VERSION_TENTH); hund = send_isa_command(CMD_ISA_VERSION_HUNDRETH); minor = send_isa_command(CMD_ISA_VERSION_MINOR); - sprintf(ret, "%c.%c%c%c", one, ten, hund, minor); + sprintf(pcwd_private.fw_ver_str, "%c.%c%c%c", one, ten, hund, minor); } - else - sprintf(ret, "ERROR"); - unset_command_mode(); - return(ret); + + return; } static inline int pcwd_get_option_switches(void) @@ -272,17 +298,15 @@ static inline int pcwd_get_option_switches(void) static void pcwd_show_card_info(void) { - char *firmware; int option_switches; /* Get some extra info from the hardware (in command/debug/diag mode) */ if (pcwd_private.revision == PCWD_REVISION_A) printk(KERN_INFO PFX "ISA-PC Watchdog (REV.A) detected at port 0x%04x\n", pcwd_private.io_addr); else if (pcwd_private.revision == PCWD_REVISION_C) { - firmware = get_firmware(); + pcwd_get_firmware(); printk(KERN_INFO PFX "ISA-PC Watchdog (REV.C) detected at port 0x%04x (Firmware version: %s)\n", - pcwd_private.io_addr, firmware); - kfree(firmware); + pcwd_private.io_addr, pcwd_private.fw_ver_str); option_switches = pcwd_get_option_switches(); printk(KERN_INFO PFX "Option switches (0x%02x): Temperature Reset Enable=%s, Power On Delay=%s\n", option_switches, @@ -362,6 +386,10 @@ static int pcwd_start(void) return -EIO; } } + + if (debug >= VERBOSE) + printk(KERN_DEBUG PFX "Watchdog started\n"); + return 0; } @@ -386,6 +414,10 @@ static int pcwd_stop(void) return -EIO; } } + + if (debug >= VERBOSE) + printk(KERN_DEBUG PFX "Watchdog stopped\n"); + return 0; } @@ -393,6 +425,10 @@ static int pcwd_keepalive(void) { /* user land ping */ pcwd_private.next_heartbeat = jiffies + (heartbeat * HZ); + + if (debug >= DEBUG) + printk(KERN_DEBUG PFX "Watchdog keepalive signal send\n"); + return 0; } @@ -402,12 +438,17 @@ static int pcwd_set_heartbeat(int t) return -EINVAL; heartbeat = t; + + if (debug >= VERBOSE) + printk(KERN_DEBUG PFX "New heartbeat: %d\n", + heartbeat); + return 0; } static int pcwd_get_status(int *status) { - int card_status; + int control_status; *status=0; spin_lock(&pcwd_private.io_lock); @@ -415,37 +456,39 @@ static int pcwd_get_status(int *status) /* Rev A cards return status information from * the base register, which is used for the * temperature in other cards. */ - card_status = inb(pcwd_private.io_addr); + control_status = inb(pcwd_private.io_addr); else { /* Rev C cards return card status in the base * address + 1 register. And use different bits * to indicate a card initiated reset, and an * over-temperature condition. And the reboot * status can be reset. */ - card_status = inb(pcwd_private.io_addr + 1); + control_status = inb(pcwd_private.io_addr + 1); } spin_unlock(&pcwd_private.io_lock); if (pcwd_private.revision == PCWD_REVISION_A) { - if (card_status & WD_WDRST) + if (control_status & WD_WDRST) *status |= WDIOF_CARDRESET; - if (card_status & WD_T110) { + if (control_status & WD_T110) { *status |= WDIOF_OVERHEAT; if (temp_panic) { printk (KERN_INFO PFX "Temperature overheat trip!\n"); kernel_power_off(); + /* or should we just do a: panic(PFX "Temperature overheat trip!\n"); */ } } } else { - if (card_status & WD_REVC_WTRP) + if (control_status & WD_REVC_WTRP) *status |= WDIOF_CARDRESET; - if (card_status & WD_REVC_TTRP) { + if (control_status & WD_REVC_TTRP) { *status |= WDIOF_OVERHEAT; if (temp_panic) { printk (KERN_INFO PFX "Temperature overheat trip!\n"); kernel_power_off(); + /* or should we just do a: panic(PFX "Temperature overheat trip!\n"); */ } } } @@ -455,9 +498,25 @@ static int pcwd_get_status(int *status) static int pcwd_clear_status(void) { + int control_status; + if (pcwd_private.revision == PCWD_REVISION_C) { spin_lock(&pcwd_private.io_lock); - outb_p(0x00, pcwd_private.io_addr + 1); /* clear reset status */ + + if (debug >= VERBOSE) + printk(KERN_INFO PFX "clearing watchdog trip status\n"); + + control_status = inb_p(pcwd_private.io_addr + 1); + + if (debug >= DEBUG) { + printk(KERN_DEBUG PFX "status was: 0x%02x\n", control_status); + printk(KERN_DEBUG PFX "sending: 0x%02x\n", + (control_status & WD_REVC_R2DS)); + } + + /* clear reset status & Keep Relay 2 disable state as it is */ + outb_p((control_status & WD_REVC_R2DS), pcwd_private.io_addr + 1); + spin_unlock(&pcwd_private.io_lock); } return 0; @@ -481,6 +540,11 @@ static int pcwd_get_temperature(int *temperature) *temperature = ((inb(pcwd_private.io_addr)) * 9 / 5) + 32; spin_unlock(&pcwd_private.io_lock); + if (debug >= DEBUG) { + printk(KERN_DEBUG PFX "temperature is: %d F\n", + *temperature); + } + return 0; } @@ -599,6 +663,8 @@ static ssize_t pcwd_write(struct file *file, const char __user *buf, size_t len, static int pcwd_open(struct inode *inode, struct file *file) { if (!atomic_dec_and_test(&open_allowed) ) { + if (debug >= VERBOSE) + printk(KERN_ERR PFX "Attempt to open already opened device.\n"); atomic_inc( &open_allowed ); return -EBUSY; } @@ -922,7 +988,8 @@ static void __exit pcwd_cleanup_module(void) { if (pcwd_private.io_addr) pcwatchdog_exit(); - return; + + printk(KERN_INFO PFX "Watchdog Module Unloaded.\n"); } module_init(pcwd_init_module); diff --git a/drivers/char/watchdog/pcwd_usb.c b/drivers/char/watchdog/pcwd_usb.c index 2700c5c45b8..3fdfda9324f 100644 --- a/drivers/char/watchdog/pcwd_usb.c +++ b/drivers/char/watchdog/pcwd_usb.c @@ -705,7 +705,8 @@ err_out_misc_deregister: err_out_unregister_reboot: unregister_reboot_notifier(&usb_pcwd_notifier); error: - usb_pcwd_delete (usb_pcwd); + if (usb_pcwd) + usb_pcwd_delete(usb_pcwd); usb_pcwd_device = NULL; return retval; } |