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Subject[PATCH 07/11] 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>
---
drivers/char/watchdog/mv64x60_wdt.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
Index: linux-2.6-powerpc-wdt/drivers/char/watchdog/mv64x60_wdt.c
===================================================================
--- linux-2.6-powerpc-wdt.orig/drivers/char/watchdog/mv64x60_wdt.c 2007-07-20 19:29:15.000000000 +0000
+++ linux-2.6-powerpc-wdt/drivers/char/watchdog/mv64x60_wdt.c 2007-07-20 19:29:34.000000000 +0000
@@ -132,6 +132,7 @@ static int mv64x60_wdt_ioctl(struct inod
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 inod
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();
-
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