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watchdog: booke_wdt: add __ro_after_init to booke_wdt_info

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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>
This commit is contained in:
Bhumika Goyal 2016-12-24 21:37:32 +05:30 committed by Guenter Roeck
parent 027d89d96b
commit 8d97005e01
1 changed files with 1 additions and 1 deletions
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2
drivers/watchdog/booke_wdt.c
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@ -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",
};