[WATCHDOG] WDIOC_GETSTATUS and WDIOC_GETBOOTSTATUS clean-up

Add mandatory WDIOC_GETSTATUS and WDIOC_GETBOOTSTATUS ioctl's for
drivers that don't have them yet.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

drivers/char/watchdog/cpu5wdt.c

@@ -162,6 +162,10 @@ static int cpu5wdt_ioctl(struct inode *inode, struct file *file, unsigned int cm
 			if ( copy_to_user(argp, &value, sizeof(int)) )
 				return -EFAULT;
 			break;
+		case WDIOC_GETBOOTSTATUS:
+			if ( copy_to_user(argp, &value, sizeof(int)) )
+				retrun -EFAULT;
+			break;
 		case WDIOC_GETSUPPORT:
 			if ( copy_to_user(argp, &ident, sizeof(ident)) )
 				return -EFAULT;

drivers/char/watchdog/machzwd.c

@@ -321,6 +321,7 @@ static int zf_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 		break;
 
 	case WDIOC_GETSTATUS:
+	case WDIOC_GETBOOTSTATUS:
 		return put_user(0, p);
 
 	case WDIOC_KEEPALIVE:

drivers/char/watchdog/mixcomwd.c

@@ -215,6 +215,11 @@ static int mixcomwd_ioctl(struct inode *inode, struct file *file,
 				return -EFAULT;
 			}
 			break;
+		case WDIOC_GETBOOTSTATUS:
+			if (copy_to_user(p, &status, sizeof(int))) {
+				return -EFAULT;
+			}
+			break;
 		case WDIOC_GETSUPPORT:
 			if (copy_to_user(argp, &ident, sizeof(ident))) {
 				return -EFAULT;

drivers/char/watchdog/mpc83xx_wdt.c

@@ -119,6 +119,9 @@ static int mpc83xx_wdt_ioctl(struct inode *inode, struct file *file,
 	switch (cmd) {
 	case WDIOC_GETSUPPORT:
 		return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
+	case WDIOC_GETSTATUS:
+	case WDIOC_GETBOOTSTATUS:
+		return put_user(0, p);
 	case WDIOC_KEEPALIVE:
 		mpc83xx_wdt_keepalive();
 		return 0;

drivers/char/watchdog/mtx-1_wdt.c

@@ -143,6 +143,7 @@ static int mtx1_wdt_ioctl(struct inode *inode, struct file *file, unsigned int c
 			mtx1_wdt_reset();
 			break;
 		case WDIOC_GETSTATUS:
+		case WDIOC_GETBOOTSTATUS:
 			if ( copy_to_user(argp, &value, sizeof(int)) )
 				return -EFAULT;
 			break;