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authorLinus Torvalds <torvalds@g5.osdl.org>2006-06-26 10:08:32 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-26 10:08:32 -0700
commit8871e73fdbde07d0a41393f7ee30787b65387b36 (patch)
treec54027e3ceb18f00db886871494d5e7b56e74b45 /drivers
parent61a46dc9d1c10d07a2ed6b7d346b868803b52506 (diff)
parent749805dc10e955b0170573061f9522a6a21cbae0 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC]: Add iomap interfaces. [OPENPROM]: Rewrite driver to use in-kernel device tree. [OPENPROMFS]: Rewrite using in-kernel device tree and seq_file. [SPARC]: Add unique device_node IDs and a ".node" property. [SPARC]: Add of_set_property() interface. [SPARC64]: Export auxio_register to modules. [SPARC64]: Add missing interfaces to dma-mapping.h [SPARC64]: Export _PAGE_IE to modules. [SPARC64]: Allow floppy driver to build modular. [SPARC]: Export x_bus_type to modules. [RIOWATCHDOG]: Fix the build. [CPWATCHDOG]: Fix the build. [PARPORT] sunbpp: Fix typo. [MTD] sun_uflash: Port to new EBUS device layer.
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mtd/maps/sun_uflash.c195
-rw-r--r--drivers/parport/parport_sunbpp.c2
-rw-r--r--drivers/sbus/char/cpwatchdog.c2
-rw-r--r--drivers/sbus/char/openprom.c593
-rw-r--r--drivers/sbus/char/riowatchdog.c4
5 files changed, 435 insertions, 361 deletions
diff --git a/drivers/mtd/maps/sun_uflash.c b/drivers/mtd/maps/sun_uflash.c
index 0758cb1d010..24a03152d19 100644
--- a/drivers/mtd/maps/sun_uflash.c
+++ b/drivers/mtd/maps/sun_uflash.c
@@ -18,6 +18,7 @@
#include <linux/ioport.h>
#include <asm/ebus.h>
#include <asm/oplib.h>
+#include <asm/prom.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@@ -30,146 +31,140 @@
#define UFLASH_WINDOW_SIZE 0x200000
#define UFLASH_BUSWIDTH 1 /* EBus is 8-bit */
-MODULE_AUTHOR
- ("Eric Brower <ebrower@usa.net>");
-MODULE_DESCRIPTION
- ("User-programmable flash device on Sun Microsystems boardsets");
-MODULE_SUPPORTED_DEVICE
- ("userflash");
-MODULE_LICENSE
- ("GPL");
+MODULE_AUTHOR("Eric Brower <ebrower@usa.net>");
+MODULE_DESCRIPTION("User-programmable flash device on Sun Microsystems boardsets");
+MODULE_SUPPORTED_DEVICE("userflash");
+MODULE_LICENSE("GPL");
+MODULE_VERSION("2.0");
static LIST_HEAD(device_list);
struct uflash_dev {
- char * name; /* device name */
+ char *name; /* device name */
struct map_info map; /* mtd map info */
- struct mtd_info * mtd; /* mtd info */
- struct list_head list;
+ struct mtd_info *mtd; /* mtd info */
};
struct map_info uflash_map_templ = {
- .name = "SUNW,???-????",
- .size = UFLASH_WINDOW_SIZE,
- .bankwidth = UFLASH_BUSWIDTH,
+ .name = "SUNW,???-????",
+ .size = UFLASH_WINDOW_SIZE,
+ .bankwidth = UFLASH_BUSWIDTH,
};
-int uflash_devinit(struct linux_ebus_device* edev)
+int uflash_devinit(struct linux_ebus_device *edev, struct device_node *dp)
{
- int iTmp, nregs;
- struct linux_prom_registers regs[2];
- struct uflash_dev *pdev;
-
- iTmp = prom_getproperty(
- edev->prom_node, "reg", (void *)regs, sizeof(regs));
- if ((iTmp % sizeof(regs[0])) != 0) {
- printk("%s: Strange reg property size %d\n",
- UFLASH_DEVNAME, iTmp);
- return -ENODEV;
- }
+ struct uflash_dev *up;
+ struct resource *res;
- nregs = iTmp / sizeof(regs[0]);
+ res = &edev->resource[0];
- if (nregs != 1) {
+ if (edev->num_addrs != 1) {
/* Non-CFI userflash device-- once I find one we
* can work on supporting it.
*/
printk("%s: unsupported device at 0x%lx (%d regs): " \
"email ebrower@usa.net\n",
- UFLASH_DEVNAME, edev->resource[0].start, nregs);
+ dp->full_name, res->start, edev->num_addrs);
+
return -ENODEV;
}
- if(0 == (pdev = kmalloc(sizeof(struct uflash_dev), GFP_KERNEL))) {
- printk("%s: unable to kmalloc new device\n", UFLASH_DEVNAME);
- return(-ENOMEM);
- }
+ up = kzalloc(sizeof(struct uflash_dev), GFP_KERNEL);
+ if (!up)
+ return -ENOMEM;
/* copy defaults and tweak parameters */
- memcpy(&pdev->map, &uflash_map_templ, sizeof(uflash_map_templ));
- pdev->map.size = regs[0].reg_size;
-
- iTmp = prom_getproplen(edev->prom_node, "model");
- pdev->name = kmalloc(iTmp, GFP_KERNEL);
- prom_getstring(edev->prom_node, "model", pdev->name, iTmp);
- if(0 != pdev->name && 0 < strlen(pdev->name)) {
- pdev->map.name = pdev->name;
- }
- pdev->map.phys = edev->resource[0].start;
- pdev->map.virt = ioremap_nocache(edev->resource[0].start, pdev->map.size);
- if(0 == pdev->map.virt) {
- printk("%s: failed to map device\n", __FUNCTION__);
- kfree(pdev->name);
- kfree(pdev);
- return(-1);
+ memcpy(&up->map, &uflash_map_templ, sizeof(uflash_map_templ));
+ up->map.size = (res->end - res->start) + 1UL;
+
+ up->name = of_get_property(dp, "model", NULL);
+ if (up->name && 0 < strlen(up->name))
+ up->map.name = up->name;
+
+ up->map.phys = res->start;
+
+ up->map.virt = ioremap_nocache(res->start, up->map.size);
+ if (!up->map.virt) {
+ printk("%s: Failed to map device.\n", dp->full_name);
+ kfree(up);
+
+ return -EINVAL;
}
- simple_map_init(&pdev->map);
+ simple_map_init(&up->map);
/* MTD registration */
- pdev->mtd = do_map_probe("cfi_probe", &pdev->map);
- if(0 == pdev->mtd) {
- iounmap(pdev->map.virt);
- kfree(pdev->name);
- kfree(pdev);
- return(-ENXIO);
+ up->mtd = do_map_probe("cfi_probe", &up->map);
+ if (!up->mtd) {
+ iounmap(up->map.virt);
+ kfree(up);
+
+ return -ENXIO;
}
- list_add(&pdev->list, &device_list);
+ up->mtd->owner = THIS_MODULE;
- pdev->mtd->owner = THIS_MODULE;
+ add_mtd_device(up->mtd);
- add_mtd_device(pdev->mtd);
- return(0);
+ dev_set_drvdata(&edev->ofdev.dev, up);
+
+ return 0;
}
-static int __init uflash_init(void)
+static int __devinit uflash_probe(struct of_device *dev, const struct of_device_id *match)
{
- struct linux_ebus *ebus = NULL;
- struct linux_ebus_device *edev = NULL;
-
- for_each_ebus(ebus) {
- for_each_ebusdev(edev, ebus) {
- if (!strcmp(edev->prom_name, UFLASH_OBPNAME)) {
- if(0 > prom_getproplen(edev->prom_node, "user")) {
- DEBUG(2, "%s: ignoring device at 0x%lx\n",
- UFLASH_DEVNAME, edev->resource[0].start);
- } else {
- uflash_devinit(edev);
- }
- }
- }
- }
+ struct linux_ebus_device *edev = to_ebus_device(&dev->dev);
+ struct device_node *dp = dev->node;
- if(list_empty(&device_list)) {
- printk("%s: unable to locate device\n", UFLASH_DEVNAME);
+ if (of_find_property(dp, "user", NULL))
return -ENODEV;
- }
- return(0);
+
+ return uflash_devinit(edev, dp);
}
-static void __exit uflash_cleanup(void)
+static int __devexit uflash_remove(struct of_device *dev)
{
- struct list_head *udevlist;
- struct uflash_dev *udev;
-
- list_for_each(udevlist, &device_list) {
- udev = list_entry(udevlist, struct uflash_dev, list);
- DEBUG(2, "%s: removing device %s\n",
- UFLASH_DEVNAME, udev->name);
-
- if(0 != udev->mtd) {
- del_mtd_device(udev->mtd);
- map_destroy(udev->mtd);
- }
- if(0 != udev->map.virt) {
- iounmap(udev->map.virt);
- udev->map.virt = NULL;
- }
- kfree(udev->name);
- kfree(udev);
+ struct uflash_dev *up = dev_get_drvdata(&dev->dev);
+
+ if (up->mtd) {
+ del_mtd_device(up->mtd);
+ map_destroy(up->mtd);
}
+ if (up->map.virt) {
+ iounmap(up->map.virt);
+ up->map.virt = NULL;
+ }
+
+ kfree(up);
+
+ return 0;
+}
+
+static struct of_device_id uflash_match[] = {
+ {
+ .name = UFLASH_OBPNAME,
+ },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, uflash_match);
+
+static struct of_platform_driver uflash_driver = {
+ .name = UFLASH_DEVNAME,
+ .match_table = uflash_match,
+ .probe = uflash_probe,
+ .remove = __devexit_p(uflash_remove),
+};
+
+static int __init uflash_init(void)
+{
+ return of_register_driver(&uflash_driver, &ebus_bus_type);
+}
+
+static void __exit uflash_exit(void)
+{
+ of_unregister_driver(&uflash_driver);
}
module_init(uflash_init);
-module_exit(uflash_cleanup);
+module_exit(uflash_exit);
diff --git a/drivers/parport/parport_sunbpp.c b/drivers/parport/parport_sunbpp.c
index 69a4bbd4cbe..7c43c5392be 100644
--- a/drivers/parport/parport_sunbpp.c
+++ b/drivers/parport/parport_sunbpp.c
@@ -389,7 +389,7 @@ static struct of_device_id bpp_match[] = {
{},
};
-MODULE_DEVICE_TABLE(of, qec_sbus_match);
+MODULE_DEVICE_TABLE(of, bpp_match);
static struct of_platform_driver bpp_sbus_driver = {
.name = "bpp",
diff --git a/drivers/sbus/char/cpwatchdog.c b/drivers/sbus/char/cpwatchdog.c
index 5bf3dd901b6..21737b7e86a 100644
--- a/drivers/sbus/char/cpwatchdog.c
+++ b/drivers/sbus/char/cpwatchdog.c
@@ -755,7 +755,7 @@ static int __init wd_init(void)
for_each_ebus(ebus) {
for_each_ebusdev(edev, ebus) {
- if (!strcmp(edev->prom_name, WD_OBPNAME))
+ if (!strcmp(edev->ofdev.node->name, WD_OBPNAME))
goto ebus_done;
}
}
diff --git a/drivers/sbus/char/openprom.c b/drivers/sbus/char/openprom.c
index cf5b476b549..d7e4bb41bd7 100644
--- a/drivers/sbus/char/openprom.c
+++ b/drivers/sbus/char/openprom.c
@@ -29,8 +29,6 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#define PROMLIB_INTERNAL
-
#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
@@ -39,10 +37,10 @@
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/miscdevice.h>
-#include <linux/smp_lock.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <asm/oplib.h>
+#include <asm/prom.h>
#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/openpromio.h>
@@ -51,15 +49,20 @@
#include <asm/pbm.h>
#endif
+MODULE_AUTHOR("Thomas K. Dyas (tdyas@noc.rutgers.edu) and Eddie C. Dost (ecd@skynet.be)");
+MODULE_DESCRIPTION("OPENPROM Configuration Driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION("1.0");
+
/* Private data kept by the driver for each descriptor. */
typedef struct openprom_private_data
{
- int current_node; /* Current node for SunOS ioctls. */
- int lastnode; /* Last valid node used by BSD ioctls. */
+ struct device_node *current_node; /* Current node for SunOS ioctls. */
+ struct device_node *lastnode; /* Last valid node used by BSD ioctls. */
} DATA;
/* ID of the PROM node containing all of the EEPROM options. */
-static int options_node = 0;
+static struct device_node *options_node;
/*
* Copy an openpromio structure into kernel space from user space.
@@ -87,9 +90,8 @@ static int copyin(struct openpromio __user *info, struct openpromio **opp_p)
if (bufsize > OPROMMAXPARAM)
bufsize = OPROMMAXPARAM;
- if (!(*opp_p = kmalloc(sizeof(int) + bufsize + 1, GFP_KERNEL)))
+ if (!(*opp_p = kzalloc(sizeof(int) + bufsize + 1, GFP_KERNEL)))
return -ENOMEM;
- memset(*opp_p, 0, sizeof(int) + bufsize + 1);
if (copy_from_user(&(*opp_p)->oprom_array,
&info->oprom_array, bufsize)) {
@@ -107,10 +109,9 @@ static int getstrings(struct openpromio __user *info, struct openpromio **opp_p)
if (!info || !opp_p)
return -EFAULT;
- if (!(*opp_p = kmalloc(sizeof(int) + OPROMMAXPARAM + 1, GFP_KERNEL)))
+ if (!(*opp_p = kzalloc(sizeof(int) + OPROMMAXPARAM + 1, GFP_KERNEL)))
return -ENOMEM;
- memset(*opp_p, 0, sizeof(int) + OPROMMAXPARAM + 1);
(*opp_p)->oprom_size = 0;
n = bufsize = 0;
@@ -140,16 +141,164 @@ static int copyout(void __user *info, struct openpromio *opp, int len)
return 0;
}
+static int opromgetprop(void __user *argp, struct device_node *dp, struct openpromio *op, int bufsize)
+{
+ void *pval;
+ int len;
+
+ pval = of_get_property(dp, op->oprom_array, &len);
+ if (!pval || len <= 0 || len > bufsize)
+ return copyout(argp, op, sizeof(int));
+
+ memcpy(op->oprom_array, pval, len);
+ op->oprom_array[len] = '\0';
+ op->oprom_size = len;
+
+ return copyout(argp, op, sizeof(int) + bufsize);
+}
+
+static int opromnxtprop(void __user *argp, struct device_node *dp, struct openpromio *op, int bufsize)
+{
+ struct property *prop;
+ int len;
+
+ if (op->oprom_array[0] == '\0') {
+ prop = dp->properties;
+ if (!prop)
+ return copyout(argp, op, sizeof(int));
+ len = strlen(prop->name);
+ } else {
+ prop = of_find_property(dp, op->oprom_array, NULL);
+
+ if (!prop ||
+ !prop->next ||
+ (len = strlen(prop->next->name)) + 1 > bufsize)
+ return copyout(argp, op, sizeof(int));
+
+ prop = prop->next;
+ }
+
+ memcpy(op->oprom_array, prop->name, len);
+ op->oprom_array[len] = '\0';
+ op->oprom_size = ++len;
+
+ return copyout(argp, op, sizeof(int) + bufsize);
+}
+
+static int opromsetopt(struct device_node *dp, struct openpromio *op, int bufsize)
+{
+ char *buf = op->oprom_array + strlen(op->oprom_array) + 1;
+ int len = op->oprom_array + bufsize - buf;
+
+ return of_set_property(options_node, op->oprom_array, buf, len);
+}
+
+static int opromnext(void __user *argp, unsigned int cmd, struct device_node *dp, struct openpromio *op, int bufsize, DATA *data)
+{
+ phandle ph;
+
+ BUILD_BUG_ON(sizeof(phandle) != sizeof(int));
+
+ if (bufsize < sizeof(phandle))
+ return -EINVAL;
+
+ ph = *((int *) op->oprom_array);
+ if (ph) {
+ dp = of_find_node_by_phandle(ph);
+ if (!dp)
+ return -EINVAL;
+
+ switch (cmd) {
+ case OPROMNEXT:
+ dp = dp->sibling;
+ break;
+
+ case OPROMCHILD:
+ dp = dp->child;
+ break;
+
+ case OPROMSETCUR:
+ default:
+ break;
+ };
+ } else {
+ /* Sibling of node zero is the root node. */
+ if (cmd != OPROMNEXT)
+ return -EINVAL;
+
+ dp = of_find_node_by_path("/");
+ }
+
+ ph = 0;
+ if (dp)
+ ph = dp->node;
+
+ data->current_node = dp;
+ *((int *) op->oprom_array) = ph;
+ op->oprom_size = sizeof(phandle);
+
+ return copyout(argp, op, bufsize + sizeof(int));
+}
+
+static int oprompci2node(void __user *argp, struct device_node *dp, struct openpromio *op, int bufsize, DATA *data)
+{
+ int err = -EINVAL;
+
+ if (bufsize >= 2*sizeof(int)) {
+#ifdef CONFIG_PCI
+ struct pci_dev *pdev;
+ struct pcidev_cookie *pcp;
+ pdev = pci_find_slot (((int *) op->oprom_array)[0],
+ ((int *) op->oprom_array)[1]);
+
+ pcp = pdev->sysdata;
+ if (pcp != NULL) {
+ dp = pcp->prom_node;
+ data->current_node = dp;
+ *((int *)op->oprom_array) = dp->node;
+ op->oprom_size = sizeof(int);
+ err = copyout(argp, op, bufsize + sizeof(int));
+ }
+#endif
+ }
+
+ return err;
+}
+
+static int oprompath2node(void __user *argp, struct device_node *dp, struct openpromio *op, int bufsize, DATA *data)
+{
+ dp = of_find_node_by_path(op->oprom_array);
+ data->current_node = dp;
+ *((int *)op->oprom_array) = dp->node;
+ op->oprom_size = sizeof(int);
+
+ return copyout(argp, op, bufsize + sizeof(int));
+}
+
+static int opromgetbootargs(void __user *argp, struct openpromio *op, int bufsize)
+{
+ char *buf = saved_command_line;
+ int len = strlen(buf);
+
+ if (len > bufsize)
+ return -EINVAL;
+
+ strcpy(op->oprom_array, buf);
+ op->oprom_size = len;
+
+ return copyout(argp, op, bufsize + sizeof(int));
+}
+
/*
* SunOS and Solaris /dev/openprom ioctl calls.
*/
static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
- unsigned int cmd, unsigned long arg, int node)
+ unsigned int cmd, unsigned long arg,
+ struct device_node *dp)
{
- DATA *data = (DATA *) file->private_data;
- char buffer[OPROMMAXPARAM+1], *buf;
+ DATA *data = file->private_data;
struct openpromio *opp;
- int bufsize, len, error = 0;
+ int bufsize, error = 0;
static int cnt;
void __user *argp = (void __user *)arg;
@@ -164,119 +313,35 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
switch (cmd) {
case OPROMGETOPT:
case OPROMGETPROP:
- len = prom_getproplen(node, opp->oprom_array);
-
- if (len <= 0 || len > bufsize) {
- error = copyout(argp, opp, sizeof(int));
- break;
- }
-
- len = prom_getproperty(node, opp->oprom_array, buffer, bufsize);
-
- memcpy(opp->oprom_array, buffer, len);
- opp->oprom_array[len] = '\0';
- opp->oprom_size = len;
-
- error = copyout(argp, opp, sizeof(int) + bufsize);
+ error = opromgetprop(argp, dp, opp, bufsize);
break;
case OPROMNXTOPT:
case OPROMNXTPROP:
- buf = prom_nextprop(node, opp->oprom_array, buffer);
-
- len = strlen(buf);
- if (len == 0 || len + 1 > bufsize) {
- error = copyout(argp, opp, sizeof(int));
- break;
- }
-
- memcpy(opp->oprom_array, buf, len);
- opp->oprom_array[len] = '\0';
- opp->oprom_size = ++len;
-
- error = copyout(argp, opp, sizeof(int) + bufsize);
+ error = opromnxtprop(argp, dp, opp, bufsize);
break;
case OPROMSETOPT:
case OPROMSETOPT2:
- buf = opp->oprom_array + strlen(opp->oprom_array) + 1;
- len = opp->oprom_array + bufsize - buf;
-
- error = prom_setprop(options_node, opp->oprom_array,
- buf, len);
-
- if (error < 0)
- error = -EINVAL;
+ error = opromsetopt(dp, opp, bufsize);
break;
case OPROMNEXT:
case OPROMCHILD:
case OPROMSETCUR:
- if (bufsize < sizeof(int)) {
- error = -EINVAL;
- break;
- }
-
- node = *((int *) opp->oprom_array);
-
- switch (cmd) {
- case OPROMNEXT: node = __prom_getsibling(node); break;
- case OPROMCHILD: node = __prom_getchild(node); break;
- case OPROMSETCUR: break;
- }
-
- data->current_node = node;
- *((int *)opp->oprom_array) = node;
- opp->oprom_size = sizeof(int);
-
- error = copyout(argp, opp, bufsize + sizeof(int));
+ error = opromnext(argp, cmd, dp, opp, bufsize, data);
break;
case OPROMPCI2NODE:
- error = -EINVAL;
-
- if (bufsize >= 2*sizeof(int)) {
-#ifdef CONFIG_PCI
- struct pci_dev *pdev;
- struct pcidev_cookie *pcp;
- pdev = pci_find_slot (((int *) opp->oprom_array)[0],
- ((int *) opp->oprom_array)[1]);
-
- pcp = pdev->sysdata;
- if (pcp != NULL) {
- node = pcp->prom_node->node;
- data->current_node = node;
- *((int *)opp->oprom_array) = node;
- opp->oprom_size = sizeof(int);
- error = copyout(argp, opp, bufsize + sizeof(int));
- }
-#endif
- }
+ error = oprompci2node(argp, dp, opp, bufsize, data);
break;
case OPROMPATH2NODE:
- node = prom_finddevice(opp->oprom_array);
- data->current_node = node;
- *((int *)opp->oprom_array) = node;
- opp->oprom_size = sizeof(int);
-
- error = copyout(argp, opp, bufsize + sizeof(int));
+ error = oprompath2node(argp, dp, opp, bufsize, data);
break;
case OPROMGETBOOTARGS:
- buf = saved_command_line;
-
- len = strlen(buf);
-
- if (len > bufsize) {
- error = -EINVAL;
- break;
- }
-
- strcpy(opp->oprom_array, buf);
- opp->oprom_size = len;
-
- error = copyout(argp, opp, bufsize + sizeof(int));
+ error = opromgetbootargs(argp, opp, bufsize);
break;
case OPROMU2P:
@@ -297,25 +362,14 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
return error;
}
-
-/* Return nonzero if a specific node is in the PROM device tree. */
-static int intree(int root, int node)
+static struct device_node *get_node(phandle n, DATA *data)
{
- for (; root != 0; root = prom_getsibling(root))
- if (root == node || intree(prom_getchild(root),node))
- return 1;
- return 0;
-}
+ struct device_node *dp = of_find_node_by_phandle(n);
-/* Return nonzero if a specific node is "valid". */
-static int goodnode(int n, DATA *data)
-{
- if (n == data->lastnode || n == prom_root_node || n == options_node)
- return 1;
- if (n == 0 || n == -1 || !intree(prom_root_node,n))
- return 0;
- data->lastnode = n;
- return 1;
+ if (dp)
+ data->lastnode = dp;
+
+ return dp;
}
/* Copy in a whole string from userspace into kernelspace. */
@@ -330,7 +384,7 @@ static int copyin_string(char __user *user, size_t len, char **ptr)
if (!tmp)
return -ENOMEM;
- if(copy_from_user(tmp, user, len)) {
+ if (copy_from_user(tmp, user, len)) {
kfree(tmp);
return -EFAULT;
}
@@ -345,162 +399,187 @@ static int copyin_string(char __user *user, size_t len, char **ptr)
/*
* NetBSD /dev/openprom ioctl calls.
*/
-static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
- unsigned int cmd, unsigned long arg)
+static int opiocget(void __user *argp, DATA *data)
{
- DATA *data = (DATA *) file->private_data;
- void __user *argp = (void __user *)arg;
struct opiocdesc op;
- int error, node, len;
- char *str, *tmp;
- char buffer[64];
- static int cnt;
-
- switch (cmd) {
- case OPIOCGET:
- if (copy_from_user(&op, argp, sizeof(op)))
- return -EFAULT;
-
- if (!goodnode(op.op_nodeid,data))
- return -EINVAL;
+ struct device_node *dp;
+ char *str;
+ void *pval;
+ int err, len;
- error = copyin_string(op.op_name, op.op_namelen, &str);
- if (error)
- return error;
+ if (copy_from_user(&op, argp, sizeof(op)))
+ return -EFAULT;
- len = prom_getproplen(op.op_nodeid,str);
+ dp = get_node(op.op_nodeid, data);
- if (len > op.op_buflen) {
- kfree(str);
- return -ENOMEM;
- }
+ err = copyin_string(op.op_name, op.op_namelen, &str);
+ if (err)
+ return err;
+ pval = of_get_property(dp, str, &len);
+ err = 0;
+ if (!pval || len > op.op_buflen) {
+ err = -EINVAL;
+ } else {
op.op_buflen = len;
+ if (copy_to_user(argp, &op, sizeof(op)) ||
+ copy_to_user(op.op_buf, pval, len))
+ err = -EFAULT;
+ }
+ kfree(str);
- if (len <= 0) {
- kfree(str);
- /* Verified by the above copy_from_user */
- if (__copy_to_user(argp, &op,
- sizeof(op)))
- return -EFAULT;
- return 0;
- }
+ return err;
+}
- tmp = kmalloc(len + 1, GFP_KERNEL);
- if (!tmp) {
- kfree(str);
- return -ENOMEM;
- }
+static int opiocnextprop(void __user *argp, DATA *data)
+{
+ struct opiocdesc op;
+ struct device_node *dp;
+ struct property *prop;
+ char *str;
+ int err, len;
- cnt = prom_getproperty(op.op_nodeid, str, tmp, len);
- if (cnt <= 0) {
- error = -EINVAL;
- } else {
- tmp[len] = '\0';
+ if (copy_from_user(&op, argp, sizeof(op)))
+ return -EFAULT;
- if (__copy_to_user(argp, &op, sizeof(op)) != 0 ||
- copy_to_user(op.op_buf, tmp, len) != 0)
- error = -EFAULT;
- }
+ dp = get_node(op.op_nodeid, data);
+ if (!dp)
+ return -EINVAL;
- kfree(tmp);
- kfree(str);
+ err = copyin_string(op.op_name, op.op_namelen, &str);
+ if (err)
+ return err;
- return error;
+ if (str[0] == '\0') {
+ prop = dp->properties;
+ } else {
+ prop = of_find_property(dp, str, NULL);
+ if (prop)
+ prop = prop->next;
+ }
+ kfree(str);
- case OPIOCNEXTPROP:
- if (copy_from_user(&op, argp, sizeof(op)))
- return -EFAULT;
+ if (!prop)
+ len = 0;
+ else
+ len = prop->length;
- if (!goodnode(op.op_nodeid,data))
- return -EINVAL;
+ if (len > op.op_buflen)
+ len = op.op_buflen;
- error = copyin_string(op.op_name, op.op_namelen, &str);
- if (error)
- return error;
+ if (copy_to_user(argp, &op, sizeof(op)))
+ return -EFAULT;
- tmp = prom_nextprop(op.op_nodeid,str,buffer);
+ if (len &&
+ copy_to_user(op.op_buf, prop->value, len))
+ return -EFAULT;
- if (tmp) {
- len = strlen(tmp);
- if (len > op.op_buflen)
- len = op.op_buflen;
- else
- op.op_buflen = len;
- } else {
- len = op.op_buflen = 0;
- }
+ return 0;
+}
- if (!access_ok(VERIFY_WRITE, argp, sizeof(op))) {
- kfree(str);
- return -EFAULT;
- }
+static int opiocset(void __user *argp, DATA *data)
+{
+ struct opiocdesc op;
+ struct device_node *dp;
+ char *str, *tmp;
+ int err;
- if (!access_ok(VERIFY_WRITE, op.op_buf, len)) {
- kfree(str);
- return -EFAULT;
- }
+ if (copy_from_user(&op, argp, sizeof(op)))
+ return -EFAULT;
+
+ dp = get_node(op.op_nodeid, data);
+ if (!dp)
+ return -EINVAL;
- error = __copy_to_user(argp, &op, sizeof(op));
- if (!error) error = __copy_to_user(op.op_buf, tmp, len);
+ err = copyin_string(op.op_name, op.op_namelen, &str);
+ if (err)
+ return err;
+ err = copyin_string(op.op_buf, op.op_buflen, &tmp);
+ if (err) {
kfree(str);
+ return err;
+ }
- return error;
+ err = of_set_property(dp, str, tmp, op.op_buflen);
- case OPIOCSET:
- if (copy_from_user(&op, argp, sizeof(op)))
- return -EFAULT;
+ kfree(str);
+ kfree(tmp);
- if (!goodnode(op.op_nodeid,data))
- return -EINVAL;
+ return err;
+}
- error = copyin_string(op.op_name, op.op_namelen, &str);
- if (error)
- return error;
+static int opiocgetnext(unsigned int cmd, void __user *argp)
+{
+ struct device_node *dp;
+ phandle nd;
- error = copyin_string(op.op_buf, op.op_buflen, &tmp);
- if (error) {
- kfree(str);
- return error;
- }
+ BUILD_BUG_ON(sizeof(phandle) != sizeof(int));
- len = prom_setprop(op.op_nodeid,str,tmp,op.op_buflen+1);
+ if (copy_from_user(&nd, argp, sizeof(phandle)))
+ return -EFAULT;
- if (len != op.op_buflen)
+ if (nd == 0) {
+ if (cmd != OPIOCGETNEXT)
return -EINVAL;
+ dp = of_find_node_by_path("/");
+ } else {
+ dp = of_find_node_by_phandle(nd);
+ nd = 0;
+ if (dp) {
+ if (cmd == OPIOCGETNEXT)
+ dp = dp->sibling;
+ else
+ dp = dp->child;
+ }
+ }
+ if (dp)
+ nd = dp->node;
+ if (copy_to_user(argp, &nd, sizeof(phandle)))
+ return -EFAULT;
- kfree(str);
- kfree(tmp);
+ return 0;
+}
- return 0;
+static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
+ unsigned int cmd, unsigned long arg)
+{
+ DATA *data = (DATA *) file->private_data;
+ void __user *argp = (void __user *)arg;
+ int err;
- case OPIOCGETOPTNODE:
- if (copy_to_user(argp, &options_node, sizeof(int)))
- return -EFAULT;
- return 0;
+ switch (cmd) {
+ case OPIOCGET:
+ err = opiocget(argp, data);
+ break;
- case OPIOCGETNEXT:
- case OPIOCGETCHILD:
- if (copy_from_user(&node, argp, sizeof(int)))
- return -EFAULT;
+ case OPIOCNEXTPROP:
+ err = opiocnextprop(argp, data);
+ break;
- if (cmd == OPIOCGETNEXT)
- node = __prom_getsibling(node);
- else
- node = __prom_getchild(node);
+ case OPIOCSET:
+ err = opiocset(argp, data);
+ break;
+
+ case OPIOCGETOPTNODE:
+ BUILD_BUG_ON(sizeof(phandle) != sizeof(int));
- if (__copy_to_user(argp, &node, sizeof(int)))
+ if (copy_to_user(argp, &options_node->node, sizeof(phandle)))
return -EFAULT;
return 0;
+ case OPIOCGETNEXT:
+ case OPIOCGETCHILD:
+ err = opiocgetnext(cmd, argp);
+ break;
+
default:
- if (cnt++ < 10)
- printk(KERN_INFO "openprom_bsd_ioctl: cmd 0x%X\n", cmd);
return -EINVAL;
- }
+ };
+
+ return err;
}
@@ -511,7 +590,6 @@ static int openprom_ioctl(struct inode * inode, struct file * file,
unsigned int cmd, unsigned long arg)
{
DATA *data = (DATA *) file->private_data;
- static int cnt;
switch (cmd) {
case OPROMGETOPT:
@@ -563,10 +641,8 @@ static int openprom_ioctl(struct inode * inode, struct file * file,
return openprom_bsd_ioctl(inode,file,cmd,arg);
default:
- if (cnt++ < 10)
- printk("openprom_ioctl: cmd 0x%X, arg 0x%lX\n", cmd, arg);
return -EINVAL;
- }
+ };
}
static long openprom_compat_ioctl(struct file *file, unsigned int cmd,
@@ -594,9 +670,7 @@ static long openprom_compat_ioctl(struct file *file, unsigned int cmd,
case OPROMSETCUR:
case OPROMPCI2NODE:
case OPROMPATH2NODE:
- lock_kernel();
rval = openprom_ioctl(file->f_dentry->d_inode, file, cmd, arg);
- lock_kernel();
break;
}
@@ -607,13 +681,13 @@ static int openprom_open(struct inode * inode, struct file * file)
{
DATA *data;
- data = (DATA *) kmalloc(sizeof(DATA), GFP_KERNEL);
+ data = kmalloc(sizeof(DATA), GFP_KERNEL);
if (!data)
return -ENOMEM;
- data->current_node = prom_root_node;
- data->lastnode = prom_root_node;
- file->private_data = (void *)data;
+ data->current_node = of_find_node_by_path("/");
+ data->lastnode = data->current_node;
+ file->private_data = (void *) data;
return 0;
}
@@ -634,24 +708,30 @@ static struct file_operations openprom_fops = {
};
static struct miscdevice openprom_dev = {
- SUN_OPENPROM_MINOR, "openprom", &openprom_fops
+ .minor = SUN_OPENPROM_MINOR,
+ .name = "openprom",
+ .fops = &openprom_fops,
};
static int __init openprom_init(void)
{
- int error;
+ struct device_node *dp;
+ int err;
- error = misc_register(&openprom_dev);
- if (error) {
- printk(KERN_ERR "openprom: unable to get misc minor\n");
- return error;
- }
+ err = misc_register(&openprom_dev);
+ if (err)
+ return err;
- options_node = prom_getchild(prom_root_node);
- options_node = prom_searchsiblings(options_node,"options");
+ dp = of_find_node_by_path("/");
+ dp = dp->child;
+ while (dp) {
+ if (!strcmp(dp->name, "options"))
+ break;
+ dp = dp->sibling;
+ }
+ options_node = dp;
- if (options_node == 0 || options_node == -1) {
- printk(KERN_ERR "openprom: unable to find options node\n");
+ if (!options_node) {
misc_deregister(&openprom_dev);
return -EIO;
}
@@ -666,4 +746,3 @@ static void __exit openprom_cleanup(void)
module_init(openprom_init);
module_exit(openprom_cleanup);
-MODULE_LICENSE("GPL");
diff --git a/drivers/sbus/char/riowatchdog.c b/drivers/sbus/char/riowatchdog.c
index d1babff6a53..2a9cc820442 100644
--- a/drivers/sbus/char/riowatchdog.c
+++ b/drivers/sbus/char/riowatchdog.c
@@ -211,7 +211,7 @@ static int __init riowd_bbc_init(void)
for_each_ebus(ebus) {
for_each_ebusdev(edev, ebus) {
- if (!strcmp(edev->prom_name, "bbc"))
+ if (!strcmp(edev->ofdev.node->name, "bbc"))
goto found_bbc;
}
}
@@ -238,7 +238,7 @@ static int __init riowd_init(void)
for_each_ebus(ebus) {
for_each_ebusdev(edev, ebus) {
- if (!strcmp(edev->prom_name, RIOWD_NAME))
+ if (!strcmp(edev->ofdev.node->name, RIOWD_NAME))
goto ebus_done;
}
}