diff options
| author | Guenter Roeck <linux@roeck-us.net> | 2017-01-04 23:24:52 +0300 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2017-02-25 01:00:23 +0300 |
| commit | 55dbe8f325a2e935c7913d538f9b39acff0f3bfc (patch) | |
| tree | 50be8ec5e28945044725721e545bc1784ff69c41 /drivers/watchdog/asm9260_wdt.c | |
| parent | 3b72c41f13e64e4799cb0978d46eb06575456f26 (diff) | |
| download | linux-55dbe8f325a2e935c7913d538f9b39acff0f3bfc.tar.xz | |
watchdog: asm9260_wdt: Use watchdog core to install restart handler
Use the infrastructure provided by the watchdog core to install
the restart handler.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/watchdog/asm9260_wdt.c')
| -rw-r--r-- | drivers/watchdog/asm9260_wdt.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers/watchdog/asm9260_wdt.c b/drivers/watchdog/asm9260_wdt.c index d0b59ba0f661..028feb6f6e53 100644 --- a/drivers/watchdog/asm9260_wdt.c +++ b/drivers/watchdog/asm9260_wdt.c @@ -14,7 +14,6 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> -#include <linux/reboot.h> #include <linux/reset.h> #include <linux/watchdog.h> @@ -59,7 +58,6 @@ struct asm9260_wdt_priv { struct clk *clk; struct clk *clk_ahb; struct reset_control *rst; - struct notifier_block restart_handler; void __iomem *iobase; int irq; @@ -172,15 +170,14 @@ static irqreturn_t asm9260_wdt_irq(int irq, void *devid) return IRQ_HANDLED; } -static int asm9260_restart_handler(struct notifier_block *this, - unsigned long mode, void *cmd) +static int asm9260_restart(struct watchdog_device *wdd, unsigned long action, + void *data) { - struct asm9260_wdt_priv *priv = - container_of(this, struct asm9260_wdt_priv, restart_handler); + struct asm9260_wdt_priv *priv = watchdog_get_drvdata(wdd); asm9260_wdt_sys_reset(priv); - return NOTIFY_DONE; + return 0; } static const struct watchdog_info asm9260_wdt_ident = { @@ -196,6 +193,7 @@ static struct watchdog_ops asm9260_wdt_ops = { .get_timeleft = asm9260_wdt_gettimeleft, .ping = asm9260_wdt_feed, .set_timeout = asm9260_wdt_settimeout, + .restart = asm9260_restart, }; static int asm9260_wdt_get_dt_clks(struct asm9260_wdt_priv *priv) @@ -335,18 +333,14 @@ static int asm9260_wdt_probe(struct platform_device *pdev) dev_warn(&pdev->dev, "failed to request IRQ\n"); } + watchdog_set_restart_priority(wdd, 128); + ret = watchdog_register_device(wdd); if (ret) goto clk_off; platform_set_drvdata(pdev, priv); - priv->restart_handler.notifier_call = asm9260_restart_handler; - priv->restart_handler.priority = 128; - ret = register_restart_handler(&priv->restart_handler); - if (ret) - dev_warn(&pdev->dev, "cannot register restart handler\n"); - dev_info(&pdev->dev, "Watchdog enabled (timeout: %d sec, mode: %s)\n", wdd->timeout, mode_name[priv->mode]); return 0; @@ -370,8 +364,6 @@ static int asm9260_wdt_remove(struct platform_device *pdev) asm9260_wdt_disable(&priv->wdd); - unregister_restart_handler(&priv->restart_handler); - watchdog_unregister_device(&priv->wdd); clk_disable_unprepare(priv->clk); |