From 85d57238d2ff9d95892dd1f266b85d2359d48dcc Mon Sep 17 00:00:00 2001 From: Dale Farnsworth Date: Tue, 24 Jul 2007 11:16:29 -0700 Subject: [PATCH] [WATCHDOG] mv64x60_wdt: Add WDIOC_SETOPTIONS ioctl support Allow the watchdog timer to be enabled or disabled via the WDIOC_SETOPTIONS ioctl. Signed-off-by: Dale Farnsworth Signed-off-by: Wim Van Sebroeck --- drivers/char/watchdog/mv64x60_wdt.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/char/watchdog/mv64x60_wdt.c b/drivers/char/watchdog/mv64x60_wdt.c index e990e3af8be..7b481277638 100644 --- a/drivers/char/watchdog/mv64x60_wdt.c +++ b/drivers/char/watchdog/mv64x60_wdt.c @@ -132,6 +132,7 @@ static int mv64x60_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { int timeout; + int options; void __user *argp = (void __user *)arg; static struct watchdog_info info = { .options = WDIOF_SETTIMEOUT | @@ -157,7 +158,15 @@ static int mv64x60_wdt_ioctl(struct inode *inode, struct file *file, return -EOPNOTSUPP; case WDIOC_SETOPTIONS: - return -EOPNOTSUPP; + if (get_user(options, (int __user *)argp)) + return -EFAULT; + + if (options & WDIOS_DISABLECARD) + mv64x60_wdt_handler_disable(); + + if (options & WDIOS_ENABLECARD) + mv64x60_wdt_handler_enable(); + break; case WDIOC_KEEPALIVE: mv64x60_wdt_service();