On 11/02/2015 05:36 PM, Damien Riegel wrote:
Get rid of the custom restart handler by using the one provided by the
watchdog core.
Signed-off-by: Damien Riegel <damien.riegel@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Vivien Didelot <vivien.didelot@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
drivers/watchdog/moxart_wdt.c | 22 ++++++----------------
1 file changed, 6 insertions(+), 16 deletions(-)
diff --git a/drivers/watchdog/moxart_wdt.c b/drivers/watchdog/moxart_wdt.c
index 60b0605..c64e4f0 100644
--- a/drivers/watchdog/moxart_wdt.c
+++ b/drivers/watchdog/moxart_wdt.c
@@ -17,7 +17,6 @@
#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 +28,19 @@ 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 +83,7 @@ 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 +131,7 @@ 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 +139,6 @@ 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 +149,6 @@ 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;
--
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