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| author | Damien Riegel <damien.riegel@savoirfairelinux.com> | 2015-11-16 12:28:07 -0500 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2015-12-13 15:29:46 +0100 |
| commit | 46c17f0f91729404b3578570302db88039fee8b5 (patch) | |
| tree | b201b20497ea4291b48b8cea3fad33aca2f275df /drivers/watchdog | |
| parent | 1b6fd59ad810a5fe003521789e7d9e996883450a (diff) | |
| download | blackbird-obmc-linux-46c17f0f91729404b3578570302db88039fee8b5.tar.gz blackbird-obmc-linux-46c17f0f91729404b3578570302db88039fee8b5.zip | |
watchdog: moxart_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/moxart_wdt.c | 23 |
1 files changed, 6 insertions, 17 deletions
diff --git a/drivers/watchdog/moxart_wdt.c b/drivers/watchdog/moxart_wdt.c index 60b0605bd7e6..885c81bc4210 100644 --- a/drivers/watchdog/moxart_wdt.c +++ b/drivers/watchdog/moxart_wdt.c @@ -15,9 +15,7 @@ #include <linux/module.h> #include <linux/err.h> #include <linux/kernel.h> -#include <linux/notifier.h> #include <linux/platform_device.h> -#include <linux/reboot.h> #include <linux/watchdog.h> #include <linux/moduleparam.h> @@ -29,22 +27,19 @@ struct moxart_wdt_dev { struct watchdog_device dev; void __iomem *base; unsigned int clock_frequency; - struct notifier_block restart_handler; }; static int heartbeat; -static int moxart_restart_handle(struct notifier_block *this, - unsigned long mode, void *cmd) +static int moxart_wdt_restart(struct watchdog_device *wdt_dev) { - struct moxart_wdt_dev *moxart_wdt = container_of(this, - struct moxart_wdt_dev, - restart_handler); + struct moxart_wdt_dev *moxart_wdt = watchdog_get_drvdata(wdt_dev); + writel(1, moxart_wdt->base + REG_COUNT); writel(0x5ab9, moxart_wdt->base + REG_MODE); writel(0x03, moxart_wdt->base + REG_ENABLE); - return NOTIFY_DONE; + return 0; } static int moxart_wdt_stop(struct watchdog_device *wdt_dev) @@ -87,6 +82,7 @@ static const struct watchdog_ops moxart_wdt_ops = { .start = moxart_wdt_start, .stop = moxart_wdt_stop, .set_timeout = moxart_wdt_set_timeout, + .restart = moxart_wdt_restart, }; static int moxart_wdt_probe(struct platform_device *pdev) @@ -134,6 +130,7 @@ static int moxart_wdt_probe(struct platform_device *pdev) watchdog_init_timeout(&moxart_wdt->dev, heartbeat, dev); watchdog_set_nowayout(&moxart_wdt->dev, nowayout); + watchdog_set_restart_priority(&moxart_wdt->dev, 128); watchdog_set_drvdata(&moxart_wdt->dev, moxart_wdt); @@ -141,13 +138,6 @@ static int moxart_wdt_probe(struct platform_device *pdev) if (err) return err; - moxart_wdt->restart_handler.notifier_call = moxart_restart_handle; - moxart_wdt->restart_handler.priority = 128; - err = register_restart_handler(&moxart_wdt->restart_handler); - if (err) - dev_err(dev, "cannot register restart notifier (err=%d)\n", - err); - dev_dbg(dev, "Watchdog enabled (heartbeat=%d sec, nowayout=%d)\n", moxart_wdt->dev.timeout, nowayout); @@ -158,7 +148,6 @@ static int moxart_wdt_remove(struct platform_device *pdev) { struct moxart_wdt_dev *moxart_wdt = platform_get_drvdata(pdev); - unregister_restart_handler(&moxart_wdt->restart_handler); moxart_wdt_stop(&moxart_wdt->dev); return 0; |
