watchdog: Add kernel-doc for wdt_set_timeout()

[linux-2.6-microblaze.git] / drivers / watchdog / it87_wdt.c

diff --git a/drivers/watchdog/it87_wdt.c b/drivers/watchdog/it87_wdt.c
index 9297a58..3e8c151 100644 (file)
--- a/drivers/watchdog/it87_wdt.c
+++ b/drivers/watchdog/it87_wdt.c
@@ -213,12 +213,16 @@ static int wdt_stop(struct watchdog_device *wdd)
 
 /**
  *     wdt_set_timeout - set a new timeout value with watchdog ioctl
+ *     @wdd: pointer to the watchdog_device structure
  *     @t: timeout value in seconds
  *
  *     The hardware device has a 8 or 16 bit watchdog timer (depends on
  *     chip version) that can be configured to count seconds or minutes.
  *
  *     Used within WDIOC_SETTIMEOUT watchdog device ioctl.
+ *
+ *     Return: 0 if the timeout was set successfully, or a negative error code on
+ *     failure.
  */
 
 static int wdt_set_timeout(struct watchdog_device *wdd, unsigned int t)