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path: root/drivers/watchdog/sa1100_wdt.c
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Diffstat (limited to 'drivers/watchdog/sa1100_wdt.c')
-rw-r--r--drivers/watchdog/sa1100_wdt.c50
1 files changed, 25 insertions, 25 deletions
diff --git a/drivers/watchdog/sa1100_wdt.c b/drivers/watchdog/sa1100_wdt.c
index 34a2b3b8180..31a48437dc3 100644
--- a/drivers/watchdog/sa1100_wdt.c
+++ b/drivers/watchdog/sa1100_wdt.c
@@ -26,13 +26,14 @@
#include <linux/watchdog.h>
#include <linux/init.h>
#include <linux/bitops.h>
+#include <linux/uaccess.h>
#ifdef CONFIG_ARCH_PXA
-#include <asm/arch/pxa-regs.h>
+#include <mach/pxa-regs.h>
#endif
-#include <asm/hardware.h>
-#include <asm/uaccess.h>
+#include <mach/reset.h>
+#include <mach/hardware.h>
#define OSCR_FREQ CLOCK_TICK_RATE
@@ -45,7 +46,7 @@ static int boot_status;
*/
static int sa1100dog_open(struct inode *inode, struct file *file)
{
- if (test_and_set_bit(1,&sa1100wdt_users))
+ if (test_and_set_bit(1, &sa1100wdt_users))
return -EBUSY;
/* Activate SA1100 Watchdog timer */
@@ -66,28 +67,27 @@ static int sa1100dog_open(struct inode *inode, struct file *file)
static int sa1100dog_release(struct inode *inode, struct file *file)
{
printk(KERN_CRIT "WATCHDOG: Device closed - timer will not stop\n");
-
clear_bit(1, &sa1100wdt_users);
-
return 0;
}
-static ssize_t sa1100dog_write(struct file *file, const char __user *data, size_t len, loff_t *ppos)
+static ssize_t sa1100dog_write(struct file *file, const char __user *data,
+ size_t len, loff_t *ppos)
{
if (len)
/* Refresh OSMR3 timer. */
OSMR3 = OSCR + pre_margin;
-
return len;
}
-static struct watchdog_info ident = {
- .options = WDIOF_CARDRESET | WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
+static const struct watchdog_info ident = {
+ .options = WDIOF_CARDRESET | WDIOF_SETTIMEOUT
+ | WDIOF_KEEPALIVEPING,
.identity = "SA1100/PXA255 Watchdog",
};
-static int sa1100dog_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long sa1100dog_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
int ret = -ENOTTY;
int time;
@@ -108,6 +108,11 @@ static int sa1100dog_ioctl(struct inode *inode, struct file *file,
ret = put_user(boot_status, p);
break;
+ case WDIOC_KEEPALIVE:
+ OSMR3 = OSCR + pre_margin;
+ ret = 0;
+ break;
+
case WDIOC_SETTIMEOUT:
ret = get_user(time, p);
if (ret)
@@ -125,27 +130,20 @@ static int sa1100dog_ioctl(struct inode *inode, struct file *file,
case WDIOC_GETTIMEOUT:
ret = put_user(pre_margin / OSCR_FREQ, p);
break;
-
- case WDIOC_KEEPALIVE:
- OSMR3 = OSCR + pre_margin;
- ret = 0;
- break;
}
return ret;
}
-static const struct file_operations sa1100dog_fops =
-{
+static const struct file_operations sa1100dog_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = sa1100dog_write,
- .ioctl = sa1100dog_ioctl,
+ .unlocked_ioctl = sa1100dog_ioctl,
.open = sa1100dog_open,
.release = sa1100dog_release,
};
-static struct miscdevice sa1100dog_miscdev =
-{
+static struct miscdevice sa1100dog_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &sa1100dog_fops,
@@ -162,13 +160,15 @@ static int __init sa1100dog_init(void)
* we suspend, RCSR will be cleared, and the watchdog
* reset reason will be lost.
*/
- boot_status = (RCSR & RCSR_WDR) ? WDIOF_CARDRESET : 0;
+ boot_status = (reset_status & RESET_STATUS_WATCHDOG) ?
+ WDIOF_CARDRESET : 0;
pre_margin = OSCR_FREQ * margin;
ret = misc_register(&sa1100dog_miscdev);
if (ret == 0)
- printk("SA1100/PXA2xx Watchdog Timer: timer margin %d sec\n",
- margin);
+ printk(KERN_INFO
+ "SA1100/PXA2xx Watchdog Timer: timer margin %d sec\n",
+ margin);
return ret;
}