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path: root/drivers/watchdog/sc520_wdt.c
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Diffstat (limited to 'drivers/watchdog/sc520_wdt.c')
-rw-r--r--drivers/watchdog/sc520_wdt.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/watchdog/sc520_wdt.c b/drivers/watchdog/sc520_wdt.c
index 1d5ba15dec63..a2b6c1067ec5 100644
--- a/drivers/watchdog/sc520_wdt.c
+++ b/drivers/watchdog/sc520_wdt.c
@@ -291,16 +291,11 @@ static long fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
291 }; 291 };
292 292
293 switch (cmd) { 293 switch (cmd) {
294 default:
295 return -ENOTTY;
296 case WDIOC_GETSUPPORT: 294 case WDIOC_GETSUPPORT:
297 return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0; 295 return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
298 case WDIOC_GETSTATUS: 296 case WDIOC_GETSTATUS:
299 case WDIOC_GETBOOTSTATUS: 297 case WDIOC_GETBOOTSTATUS:
300 return put_user(0, p); 298 return put_user(0, p);
301 case WDIOC_KEEPALIVE:
302 wdt_keepalive();
303 return 0;
304 case WDIOC_SETOPTIONS: 299 case WDIOC_SETOPTIONS:
305 { 300 {
306 int new_options, retval = -EINVAL; 301 int new_options, retval = -EINVAL;
@@ -320,6 +315,9 @@ static long fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
320 315
321 return retval; 316 return retval;
322 } 317 }
318 case WDIOC_KEEPALIVE:
319 wdt_keepalive();
320 return 0;
323 case WDIOC_SETTIMEOUT: 321 case WDIOC_SETTIMEOUT:
324 { 322 {
325 int new_timeout; 323 int new_timeout;
@@ -335,6 +333,8 @@ static long fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
335 } 333 }
336 case WDIOC_GETTIMEOUT: 334 case WDIOC_GETTIMEOUT:
337 return put_user(timeout, p); 335 return put_user(timeout, p);
336 default:
337 return -ENOTTY;
338 } 338 }
339} 339}
340 340