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| author | Damien Riegel <damien.riegel@savoirfairelinux.com> | 2015-11-16 12:28:06 -0500 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2015-12-13 15:29:39 +0100 |
| commit | 1b6fd59ad810a5fe003521789e7d9e996883450a (patch) | |
| tree | 0f9bce64168794d090562fc8e7445eaf73b844b9 /drivers/watchdog/meson_wdt.c | |
| parent | 2de4e5a67660b79535659f5961a10beaf551b49b (diff) | |
| download | linux-1b6fd59ad810a5fe003521789e7d9e996883450a.tar.bz2 | |
watchdog: meson_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/meson_wdt.c')
| -rw-r--r-- | drivers/watchdog/meson_wdt.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/drivers/watchdog/meson_wdt.c b/drivers/watchdog/meson_wdt.c index 1f4155ee3404..40db9e2efc05 100644 --- a/drivers/watchdog/meson_wdt.c +++ b/drivers/watchdog/meson_wdt.c @@ -17,10 +17,8 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/moduleparam.h> -#include <linux/notifier.h> #include <linux/of.h> #include <linux/platform_device.h> -#include <linux/reboot.h> #include <linux/types.h> #include <linux/watchdog.h> @@ -45,23 +43,19 @@ static unsigned int timeout = MESON_WDT_TIMEOUT; struct meson_wdt_dev { struct watchdog_device wdt_dev; void __iomem *wdt_base; - struct notifier_block restart_handler; }; -static int meson_restart_handle(struct notifier_block *this, unsigned long mode, - void *cmd) +static int meson_wdt_restart(struct watchdog_device *wdt_dev) { + struct meson_wdt_dev *meson_wdt = watchdog_get_drvdata(wdt_dev); u32 tc_reboot = MESON_WDT_DC_RESET | MESON_WDT_TC_EN; - struct meson_wdt_dev *meson_wdt = container_of(this, - struct meson_wdt_dev, - restart_handler); while (1) { writel(tc_reboot, meson_wdt->wdt_base + MESON_WDT_TC); mdelay(5); } - return NOTIFY_DONE; + return 0; } static int meson_wdt_ping(struct watchdog_device *wdt_dev) @@ -136,6 +130,7 @@ static const struct watchdog_ops meson_wdt_ops = { .stop = meson_wdt_stop, .ping = meson_wdt_ping, .set_timeout = meson_wdt_set_timeout, + .restart = meson_wdt_restart, }; static int meson_wdt_probe(struct platform_device *pdev) @@ -164,6 +159,7 @@ static int meson_wdt_probe(struct platform_device *pdev) watchdog_init_timeout(&meson_wdt->wdt_dev, timeout, &pdev->dev); watchdog_set_nowayout(&meson_wdt->wdt_dev, nowayout); + watchdog_set_restart_priority(&meson_wdt->wdt_dev, 128); meson_wdt_stop(&meson_wdt->wdt_dev); @@ -173,13 +169,6 @@ static int meson_wdt_probe(struct platform_device *pdev) platform_set_drvdata(pdev, meson_wdt); - meson_wdt->restart_handler.notifier_call = meson_restart_handle; - meson_wdt->restart_handler.priority = 128; - err = register_restart_handler(&meson_wdt->restart_handler); - if (err) - dev_err(&pdev->dev, - "cannot register restart handler (err=%d)\n", err); - dev_info(&pdev->dev, "Watchdog enabled (timeout=%d sec, nowayout=%d)", meson_wdt->wdt_dev.timeout, nowayout); @@ -190,8 +179,6 @@ static int meson_wdt_remove(struct platform_device *pdev) { struct meson_wdt_dev *meson_wdt = platform_get_drvdata(pdev); - unregister_restart_handler(&meson_wdt->restart_handler); - watchdog_unregister_device(&meson_wdt->wdt_dev); return 0; |