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Diffstat (limited to 'drivers/watchdog/wdt285.c')
-rw-r--r--drivers/watchdog/wdt285.c40
1 files changed, 21 insertions, 19 deletions
diff --git a/drivers/watchdog/wdt285.c b/drivers/watchdog/wdt285.c
index e4cf661d..191ea63 100644
--- a/drivers/watchdog/wdt285.c
+++ b/drivers/watchdog/wdt285.c
@@ -26,10 +26,10 @@
#include <linux/reboot.h>
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/uaccess.h>
+#include <linux/irq.h>
+#include <mach/hardware.h>
-#include <asm/irq.h>
-#include <asm/uaccess.h>
-#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/hardware/dec21285.h>
@@ -115,8 +115,8 @@ static int watchdog_release(struct inode *inode, struct file *file)
return 0;
}
-static ssize_t
-watchdog_write(struct file *file, const char *data, size_t len, loff_t *ppos)
+static ssize_t watchdog_write(struct file *file, const char __user *data,
+ size_t len, loff_t *ppos)
{
/*
* Refresh the timer.
@@ -127,28 +127,28 @@ watchdog_write(struct file *file, const char *data, size_t len, loff_t *ppos)
return len;
}
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
.options = WDIOF_SETTIMEOUT,
.identity = "Footbridge Watchdog",
};
-static int
-watchdog_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long watchdog_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
unsigned int new_margin;
+ int __user *int_arg = (int __user *)arg;
int ret = -ENOTTY;
- switch(cmd) {
+ switch (cmd) {
case WDIOC_GETSUPPORT:
ret = 0;
- if (copy_to_user((void *)arg, &ident, sizeof(ident)))
+ if (copy_to_user((void __user *)arg, &ident, sizeof(ident)))
ret = -EFAULT;
break;
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
- ret = put_user(0,(int *)arg);
+ ret = put_user(0, int_arg);
break;
case WDIOC_KEEPALIVE:
@@ -157,7 +157,7 @@ watchdog_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
break;
case WDIOC_SETTIMEOUT:
- ret = get_user(new_margin, (int *)arg);
+ ret = get_user(new_margin, int_arg);
if (ret)
break;
@@ -172,7 +172,7 @@ watchdog_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
watchdog_ping();
/* Fall */
case WDIOC_GETTIMEOUT:
- ret = put_user(soft_margin, (int *)arg);
+ ret = put_user(soft_margin, int_arg);
break;
}
return ret;
@@ -182,7 +182,7 @@ static const struct file_operations watchdog_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = watchdog_write,
- .ioctl = watchdog_ioctl,
+ .unlocked_ioctl = watchdog_ioctl,
.open = watchdog_open,
.release = watchdog_release,
};
@@ -204,11 +204,13 @@ static int __init footbridge_watchdog_init(void)
if (retval < 0)
return retval;
- printk("Footbridge Watchdog Timer: 0.01, timer margin: %d sec\n",
- soft_margin);
+ printk(KERN_INFO
+ "Footbridge Watchdog Timer: 0.01, timer margin: %d sec\n",
+ soft_margin);
if (machine_is_cats())
- printk("Warning: Watchdog reset may not work on this machine.\n");
+ printk(KERN_WARNING
+ "Warning: Watchdog reset may not work on this machine.\n");
return 0;
}
@@ -223,7 +225,7 @@ MODULE_LICENSE("GPL");
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
module_param(soft_margin, int, 0);
-MODULE_PARM_DESC(soft_margin,"Watchdog timeout in seconds");
+MODULE_PARM_DESC(soft_margin, "Watchdog timeout in seconds");
module_init(footbridge_watchdog_init);
module_exit(footbridge_watchdog_exit);
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