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| author | Damien Riegel <damien.riegel@savoirfairelinux.com> | 2015-11-16 12:28:08 -0500 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2015-12-13 15:29:51 +0100 |
| commit | e86adc3f631bd9d773f1028d6d88c9f5a02b07a5 (patch) | |
| tree | 8b3f991d2b8e7ec88356341a2b8e6329a94ed701 /drivers/watchdog | |
| parent | 46c17f0f91729404b3578570302db88039fee8b5 (diff) | |
| download | linux-stable-e86adc3f631bd9d773f1028d6d88c9f5a02b07a5.tar.gz linux-stable-e86adc3f631bd9d773f1028d6d88c9f5a02b07a5.tar.bz2 linux-stable-e86adc3f631bd9d773f1028d6d88c9f5a02b07a5.zip | |
watchdog: mtk_wdt: use core restart handler
Get rid of the custom restart handler by using the one provided by the
watchdog core.
Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/mtk_wdt.c | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c index b751f43d76ed..b78776c05554 100644 --- a/drivers/watchdog/mtk_wdt.c +++ b/drivers/watchdog/mtk_wdt.c @@ -28,8 +28,6 @@ #include <linux/platform_device.h> #include <linux/types.h> #include <linux/watchdog.h> -#include <linux/notifier.h> -#include <linux/reboot.h> #include <linux/delay.h> #define WDT_MAX_TIMEOUT 31 @@ -64,16 +62,13 @@ static unsigned int timeout = WDT_MAX_TIMEOUT; struct mtk_wdt_dev { struct watchdog_device wdt_dev; void __iomem *wdt_base; - struct notifier_block restart_handler; }; -static int mtk_reset_handler(struct notifier_block *this, unsigned long mode, - void *cmd) +static int mtk_wdt_restart(struct watchdog_device *wdt_dev) { - struct mtk_wdt_dev *mtk_wdt; + struct mtk_wdt_dev *mtk_wdt = watchdog_get_drvdata(wdt_dev); void __iomem *wdt_base; - mtk_wdt = container_of(this, struct mtk_wdt_dev, restart_handler); wdt_base = mtk_wdt->wdt_base; while (1) { @@ -81,7 +76,7 @@ static int mtk_reset_handler(struct notifier_block *this, unsigned long mode, mdelay(5); } - return NOTIFY_DONE; + return 0; } static int mtk_wdt_ping(struct watchdog_device *wdt_dev) @@ -161,6 +156,7 @@ static const struct watchdog_ops mtk_wdt_ops = { .stop = mtk_wdt_stop, .ping = mtk_wdt_ping, .set_timeout = mtk_wdt_set_timeout, + .restart = mtk_wdt_restart, }; static int mtk_wdt_probe(struct platform_device *pdev) @@ -189,6 +185,7 @@ static int mtk_wdt_probe(struct platform_device *pdev) watchdog_init_timeout(&mtk_wdt->wdt_dev, timeout, &pdev->dev); watchdog_set_nowayout(&mtk_wdt->wdt_dev, nowayout); + watchdog_set_restart_priority(&mtk_wdt->wdt_dev, 128); watchdog_set_drvdata(&mtk_wdt->wdt_dev, mtk_wdt); @@ -198,13 +195,6 @@ static int mtk_wdt_probe(struct platform_device *pdev) if (unlikely(err)) return err; - mtk_wdt->restart_handler.notifier_call = mtk_reset_handler; - mtk_wdt->restart_handler.priority = 128; - err = register_restart_handler(&mtk_wdt->restart_handler); - if (err) - dev_warn(&pdev->dev, - "cannot register restart handler (err=%d)\n", err); - dev_info(&pdev->dev, "Watchdog enabled (timeout=%d sec, nowayout=%d)\n", mtk_wdt->wdt_dev.timeout, nowayout); @@ -223,8 +213,6 @@ static int mtk_wdt_remove(struct platform_device *pdev) { struct mtk_wdt_dev *mtk_wdt = platform_get_drvdata(pdev); - unregister_restart_handler(&mtk_wdt->restart_handler); - watchdog_unregister_device(&mtk_wdt->wdt_dev); return 0; |