watchdog: booke_wdt: add __ro_after_init to booke_wdt_info
authorBhumika Goyal <bhumirks@gmail.com>
Sat, 24 Dec 2016 16:07:32 +0000 (21:37 +0530)
committerGuenter Roeck <linux@roeck-us.net>
Fri, 24 Feb 2017 22:00:23 +0000 (14:00 -0800)
The object booke_wdt_info of watchdog_info structure is not
modified after getting initialized by booke_wdt_init. Apart from getting
referenced in init it is also stored in the info field of watchdog_device
structure which is of type const struct watchdog_info *info. So, it
becomes read only after init and therefore add __ro_after_init to it's
declaration.

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
drivers/watchdog/booke_wdt.c

index 04da4b66c75e361d191a0c0faac4fd4010d9d26a..ae034bb1e55140bb2c86e715dd9f4da76e636e4f 100644 (file)
@@ -192,7 +192,7 @@ static int booke_wdt_set_timeout(struct watchdog_device *wdt_dev,
        return 0;
 }
 
-static struct watchdog_info booke_wdt_info = {
+static struct watchdog_info booke_wdt_info __ro_after_init = {
        .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
        .identity = "PowerPC Book-E Watchdog",
 };