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[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 <dale@farnsworth.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Dale Farnsworth 2007-07-24 11:16:29 -07:00 committed by Wim Van Sebroeck
parent 94796f9087
commit 85d57238d2
1 changed files with 10 additions and 1 deletions
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11
drivers/char/watchdog/mv64x60_wdt.c
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@ -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();