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path: root/drivers/watchdog/at32ap700x_wdt.c
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Diffstat (limited to 'drivers/watchdog/at32ap700x_wdt.c')
-rw-r--r--drivers/watchdog/at32ap700x_wdt.c43
1 files changed, 21 insertions, 22 deletions
diff --git a/drivers/watchdog/at32ap700x_wdt.c b/drivers/watchdog/at32ap700x_wdt.c
index ae0fca5e874..e8ae638e580 100644
--- a/drivers/watchdog/at32ap700x_wdt.c
+++ b/drivers/watchdog/at32ap700x_wdt.c
@@ -212,8 +212,8 @@ static struct watchdog_info at32_wdt_info = {
/*
* Handle commands from user-space.
*/
-static int at32_wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long at32_wdt_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
{
int ret = -ENOTTY;
int time;
@@ -221,27 +221,10 @@ static int at32_wdt_ioctl(struct inode *inode, struct file *file,
int __user *p = argp;
switch (cmd) {
- case WDIOC_KEEPALIVE:
- at32_wdt_pat();
- ret = 0;
- break;
case WDIOC_GETSUPPORT:
ret = copy_to_user(argp, &at32_wdt_info,
sizeof(at32_wdt_info)) ? -EFAULT : 0;
break;
- case WDIOC_SETTIMEOUT:
- ret = get_user(time, p);
- if (ret)
- break;
- ret = at32_wdt_settimeout(time);
- if (ret)
- break;
- /* Enable new time value */
- at32_wdt_start();
- /* fall through */
- case WDIOC_GETTIMEOUT:
- ret = put_user(wdt->timeout, p);
- break;
case WDIOC_GETSTATUS:
ret = put_user(0, p);
break;
@@ -258,6 +241,23 @@ static int at32_wdt_ioctl(struct inode *inode, struct file *file,
at32_wdt_start();
ret = 0;
break;
+ case WDIOC_KEEPALIVE:
+ at32_wdt_pat();
+ ret = 0;
+ break;
+ case WDIOC_SETTIMEOUT:
+ ret = get_user(time, p);
+ if (ret)
+ break;
+ ret = at32_wdt_settimeout(time);
+ if (ret)
+ break;
+ /* Enable new time value */
+ at32_wdt_start();
+ /* fall through */
+ case WDIOC_GETTIMEOUT:
+ ret = put_user(wdt->timeout, p);
+ break;
}
return ret;
@@ -283,7 +283,7 @@ static ssize_t at32_wdt_write(struct file *file, const char __user *data,
*/
for (i = 0; i != len; i++) {
char c;
- if (get_user(c, data+i))
+ if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_release = 42;
@@ -298,7 +298,7 @@ static ssize_t at32_wdt_write(struct file *file, const char __user *data,
static const struct file_operations at32_wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
- .ioctl = at32_wdt_ioctl,
+ .unlocked_ioctl = at32_wdt_ioctl,
.open = at32_wdt_open,
.release = at32_wdt_close,
.write = at32_wdt_write,
@@ -391,7 +391,6 @@ static int __exit at32_wdt_remove(struct platform_device *pdev)
wdt = NULL;
platform_set_drvdata(pdev, NULL);
}
-
return 0;
}