watchdog: s3c2410: Constify local structures

Structures watchdog_device, watchdog_ops and s3c2410_wdt_variant are not
modified so they can be made const to increase code safeness.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 6ed9759..52b66bc 100644 (file)
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -131,7 +131,7 @@ struct s3c2410_wdt {
        unsigned long           wtdat_save;
        struct watchdog_device  wdt_device;
        struct notifier_block   freq_transition;
-       struct s3c2410_wdt_variant *drv_data;
+       const struct s3c2410_wdt_variant *drv_data;
        struct regmap *pmureg;
 };
 
@@ -401,7 +401,7 @@ static const struct watchdog_ops s3c2410wdt_ops = {
        .restart = s3c2410wdt_restart,
 };
 
-static struct watchdog_device s3c2410_wdd = {
+static const struct watchdog_device s3c2410_wdd = {
        .info = &s3c2410_wdt_ident,
        .ops = &s3c2410wdt_ops,
        .timeout = S3C2410_WATCHDOG_DEFAULT_TIME,
@@ -507,7 +507,7 @@ static inline unsigned int s3c2410wdt_get_bootstatus(struct s3c2410_wdt *wdt)
        return 0;
 }
 
-static inline struct s3c2410_wdt_variant *
+static inline const struct s3c2410_wdt_variant *
 s3c2410_get_wdt_drv_data(struct platform_device *pdev)
 {
        if (pdev->dev.of_node) {