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Commit f79781ce authored by Damien Riegel's avatar Damien Riegel Committed by Wim Van Sebroeck
Browse files

watchdog: da9063_wdt: use core restart handler 



Get rid of the custom restart handler by using the one provided by the
watchdog core.

Signed-off-by: default avatarDamien Riegel <damien.riegel@savoirfairelinux.com>
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
Reviewed-by: default avatarVivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarWim Van Sebroeck <wim@iguana.be>
parent 65a4a1dc

drivers/watchdog/da9063_wdt.c

+6 −17
Original line number Diff line number Diff line
@@ -20,7 +20,6 @@ 
#include <linux/delay.h>

#include <linux/mfd/da9063/registers.h>

#include <linux/mfd/da9063/core.h>

#include <linux/reboot.h>

#include <linux/regmap.h>



/*
@@ -39,7 +38,6 @@ static const unsigned int wdt_timeout[] = { 0, 2, 4, 8, 16, 32, 65, 131 }; 
struct da9063_watchdog {

	struct da9063 *da9063;

	struct watchdog_device wdtdev;

	struct notifier_block restart_handler;

};



static unsigned int da9063_wdt_timeout_to_sel(unsigned int secs)
@@ -121,12 +119,9 @@ static int da9063_wdt_set_timeout(struct watchdog_device *wdd, 
	return ret;

}



static int da9063_wdt_restart_handler(struct notifier_block *this,

				      unsigned long mode, void *cmd)

static int da9063_wdt_restart(struct watchdog_device *wdd)

{

	struct da9063_watchdog *wdt = container_of(this,

						   struct da9063_watchdog,

						   restart_handler);

	struct da9063_watchdog *wdt = watchdog_get_drvdata(wdd);

	int ret;



	ret = regmap_write(wdt->da9063->regmap, DA9063_REG_CONTROL_F,
@@ -135,7 +130,7 @@ static int da9063_wdt_restart_handler(struct notifier_block *this, 
		dev_alert(wdt->da9063->dev, "Failed to shutdown (err = %d)\n",

			  ret);



	return NOTIFY_DONE;

	return ret;

}



static const struct watchdog_info da9063_watchdog_info = {
@@ -149,6 +144,7 @@ static const struct watchdog_ops da9063_watchdog_ops = { 
	.stop = da9063_wdt_stop,

	.ping = da9063_wdt_ping,

	.set_timeout = da9063_wdt_set_timeout,

	.restart = da9063_wdt_restart,

};



static int da9063_wdt_probe(struct platform_device *pdev)
@@ -179,6 +175,8 @@ static int da9063_wdt_probe(struct platform_device *pdev) 


	wdt->wdtdev.status = WATCHDOG_NOWAYOUT_INIT_STATUS;



	watchdog_set_restart_priority(&wdt->wdtdev, 128);



	watchdog_set_drvdata(&wdt->wdtdev, wdt);

	dev_set_drvdata(&pdev->dev, wdt);
@@ -186,13 +184,6 @@ static int da9063_wdt_probe(struct platform_device *pdev) 
	if (ret)

		return ret;



	wdt->restart_handler.notifier_call = da9063_wdt_restart_handler;

	wdt->restart_handler.priority = 128;

	ret = register_restart_handler(&wdt->restart_handler);

	if (ret)

		dev_err(wdt->da9063->dev,

			"Failed to register restart handler (err = %d)\n", ret);



	return 0;

}
@@ -200,8 +191,6 @@ static int da9063_wdt_remove(struct platform_device *pdev) 
{

	struct da9063_watchdog *wdt = dev_get_drvdata(&pdev->dev);



	unregister_restart_handler(&wdt->restart_handler);



	watchdog_unregister_device(&wdt->wdtdev);



	return 0;