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From: Eddie Huang <eddie.huang@mediatek.com>
To: Wim Van Sebroeck <wim@iguana.be>, Guenter Roeck <linux@roeck-us.net>
Cc: Matthias Brugger <matthias.bgg@gmail.com>,
	<linux-watchdog@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-mediatek@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>,
	Sascha Hauer <kernel@pengutronix.de>,
	Greta Zhang <greta.zhang@mediatek.com>,
	Roger Lu <roger.lu@mediatek.com>,
	Eddie Huang <eddie.huang@mediatek.com>
Subject: [PATCH v2 1/2] watchdog: add wdt suspend/resume support
Date: Thu, 23 Jul 2015 13:49:10 +0800	[thread overview]
Message-ID: <1437630551-39650-2-git-send-email-eddie.huang@mediatek.com> (raw)
In-Reply-To: <1437630551-39650-1-git-send-email-eddie.huang@mediatek.com>

From: Greta Zhang <greta.zhang@mediatek.com>

add wdt driver suspend/resume support

Signed-off-by: Greta Zhang <greta.zhang@mediatek.com>
Signed-off-by: Roger Lu <roger.lu@mediatek.com>
Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>
---
 drivers/watchdog/mtk_wdt.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c
index 938b987..056412c 100644
--- a/drivers/watchdog/mtk_wdt.c
+++ b/drivers/watchdog/mtk_wdt.c
@@ -221,17 +221,47 @@ static int mtk_wdt_remove(struct platform_device *pdev)
 	return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
+static int mtk_wdt_suspend(struct device *dev)
+{
+	struct mtk_wdt_dev *mtk_wdt = dev_get_drvdata(dev);
+
+	if (watchdog_active(&mtk_wdt->wdt_dev))
+		mtk_wdt_stop(&mtk_wdt->wdt_dev);
+
+	return 0;
+}
+
+static int mtk_wdt_resume(struct device *dev)
+{
+	struct mtk_wdt_dev *mtk_wdt = dev_get_drvdata(dev);
+
+	if (watchdog_active(&mtk_wdt->wdt_dev)) {
+		mtk_wdt_start(&mtk_wdt->wdt_dev);
+		mtk_wdt_ping(&mtk_wdt->wdt_dev);
+	}
+
+	return 0;
+}
+#endif
+
 static const struct of_device_id mtk_wdt_dt_ids[] = {
 	{ .compatible = "mediatek,mt6589-wdt" },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, mtk_wdt_dt_ids);
 
+static const struct dev_pm_ops mtk_wdt_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(mtk_wdt_suspend,
+				mtk_wdt_resume)
+};
+
 static struct platform_driver mtk_wdt_driver = {
 	.probe		= mtk_wdt_probe,
 	.remove		= mtk_wdt_remove,
 	.driver		= {
 		.name		= DRV_NAME,
+		.pm		= &mtk_wdt_pm_ops,
 		.of_match_table	= mtk_wdt_dt_ids,
 	},
 };
-- 
1.8.1.1.dirty


WARNING: multiple messages have this Message-ID (diff)
From: Eddie Huang <eddie.huang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
To: Wim Van Sebroeck <wim-IQzOog9fTRqzQB+pC5nmwQ@public.gmane.org>,
	Guenter Roeck <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>
Cc: Matthias Brugger
	<matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	linux-watchdog-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Sascha Hauer <kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
	Greta Zhang <greta.zhang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>,
	Roger Lu <roger.lu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>,
	Eddie Huang <eddie.huang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
Subject: [PATCH v2 1/2] watchdog: add wdt suspend/resume support
Date: Thu, 23 Jul 2015 13:49:10 +0800	[thread overview]
Message-ID: <1437630551-39650-2-git-send-email-eddie.huang@mediatek.com> (raw)
In-Reply-To: <1437630551-39650-1-git-send-email-eddie.huang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>

From: Greta Zhang <greta.zhang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>

add wdt driver suspend/resume support

Signed-off-by: Greta Zhang <greta.zhang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
Signed-off-by: Roger Lu <roger.lu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
Signed-off-by: Eddie Huang <eddie.huang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
---
 drivers/watchdog/mtk_wdt.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c
index 938b987..056412c 100644
--- a/drivers/watchdog/mtk_wdt.c
+++ b/drivers/watchdog/mtk_wdt.c
@@ -221,17 +221,47 @@ static int mtk_wdt_remove(struct platform_device *pdev)
 	return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
+static int mtk_wdt_suspend(struct device *dev)
+{
+	struct mtk_wdt_dev *mtk_wdt = dev_get_drvdata(dev);
+
+	if (watchdog_active(&mtk_wdt->wdt_dev))
+		mtk_wdt_stop(&mtk_wdt->wdt_dev);
+
+	return 0;
+}
+
+static int mtk_wdt_resume(struct device *dev)
+{
+	struct mtk_wdt_dev *mtk_wdt = dev_get_drvdata(dev);
+
+	if (watchdog_active(&mtk_wdt->wdt_dev)) {
+		mtk_wdt_start(&mtk_wdt->wdt_dev);
+		mtk_wdt_ping(&mtk_wdt->wdt_dev);
+	}
+
+	return 0;
+}
+#endif
+
 static const struct of_device_id mtk_wdt_dt_ids[] = {
 	{ .compatible = "mediatek,mt6589-wdt" },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, mtk_wdt_dt_ids);
 
+static const struct dev_pm_ops mtk_wdt_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(mtk_wdt_suspend,
+				mtk_wdt_resume)
+};
+
 static struct platform_driver mtk_wdt_driver = {
 	.probe		= mtk_wdt_probe,
 	.remove		= mtk_wdt_remove,
 	.driver		= {
 		.name		= DRV_NAME,
+		.pm		= &mtk_wdt_pm_ops,
 		.of_match_table	= mtk_wdt_dt_ids,
 	},
 };
-- 
1.8.1.1.dirty

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WARNING: multiple messages have this Message-ID (diff)
From: eddie.huang@mediatek.com (Eddie Huang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/2] watchdog: add wdt suspend/resume support
Date: Thu, 23 Jul 2015 13:49:10 +0800	[thread overview]
Message-ID: <1437630551-39650-2-git-send-email-eddie.huang@mediatek.com> (raw)
In-Reply-To: <1437630551-39650-1-git-send-email-eddie.huang@mediatek.com>

From: Greta Zhang <greta.zhang@mediatek.com>

add wdt driver suspend/resume support

Signed-off-by: Greta Zhang <greta.zhang@mediatek.com>
Signed-off-by: Roger Lu <roger.lu@mediatek.com>
Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>
---
 drivers/watchdog/mtk_wdt.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c
index 938b987..056412c 100644
--- a/drivers/watchdog/mtk_wdt.c
+++ b/drivers/watchdog/mtk_wdt.c
@@ -221,17 +221,47 @@ static int mtk_wdt_remove(struct platform_device *pdev)
 	return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
+static int mtk_wdt_suspend(struct device *dev)
+{
+	struct mtk_wdt_dev *mtk_wdt = dev_get_drvdata(dev);
+
+	if (watchdog_active(&mtk_wdt->wdt_dev))
+		mtk_wdt_stop(&mtk_wdt->wdt_dev);
+
+	return 0;
+}
+
+static int mtk_wdt_resume(struct device *dev)
+{
+	struct mtk_wdt_dev *mtk_wdt = dev_get_drvdata(dev);
+
+	if (watchdog_active(&mtk_wdt->wdt_dev)) {
+		mtk_wdt_start(&mtk_wdt->wdt_dev);
+		mtk_wdt_ping(&mtk_wdt->wdt_dev);
+	}
+
+	return 0;
+}
+#endif
+
 static const struct of_device_id mtk_wdt_dt_ids[] = {
 	{ .compatible = "mediatek,mt6589-wdt" },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, mtk_wdt_dt_ids);
 
+static const struct dev_pm_ops mtk_wdt_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(mtk_wdt_suspend,
+				mtk_wdt_resume)
+};
+
 static struct platform_driver mtk_wdt_driver = {
 	.probe		= mtk_wdt_probe,
 	.remove		= mtk_wdt_remove,
 	.driver		= {
 		.name		= DRV_NAME,
+		.pm		= &mtk_wdt_pm_ops,
 		.of_match_table	= mtk_wdt_dt_ids,
 	},
 };
-- 
1.8.1.1.dirty

  reply	other threads:[~2015-07-23  5:49 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-23  5:49 [PATCH v2 0/2] Add Mediatek watchdog suspend resume and shutdown Eddie Huang
2015-07-23  5:49 ` Eddie Huang
2015-07-23  5:49 ` Eddie Huang
2015-07-23  5:49 ` Eddie Huang [this message]
2015-07-23  5:49   ` [PATCH v2 1/2] watchdog: add wdt suspend/resume support Eddie Huang
2015-07-23  5:49   ` Eddie Huang
2015-07-23 16:10   ` Guenter Roeck
2015-07-23 16:10     ` Guenter Roeck
2015-07-23 16:10     ` Guenter Roeck
2015-07-23 17:36   ` Matthias Brugger
2015-07-23 17:36     ` Matthias Brugger
2015-07-23 17:36     ` Matthias Brugger
2015-07-23  5:49 ` [PATCH v2 2/2] watchdog: add wdt shutdown callback to disable wdt if enabled Eddie Huang
2015-07-23  5:49   ` Eddie Huang
2015-07-23  5:49   ` Eddie Huang
2015-07-23 16:12   ` Guenter Roeck
2015-07-23 16:12     ` Guenter Roeck
2015-07-23 16:12     ` Guenter Roeck
2015-07-23 17:37   ` Matthias Brugger
2015-07-23 17:37     ` Matthias Brugger
2015-07-23 17:37     ` Matthias Brugger
2015-08-11  4:28     ` Daniel Kurtz
2015-08-11  4:28       ` Daniel Kurtz
2015-08-11  4:28       ` Daniel Kurtz
2015-08-11  4:28       ` Daniel Kurtz
2015-08-11  4:42       ` Guenter Roeck
2015-08-11  4:42         ` Guenter Roeck
2015-08-11  4:42         ` Guenter Roeck
2015-08-11  4:42         ` Guenter Roeck
2015-08-11  7:38         ` Daniel Kurtz
2015-08-11  7:38           ` Daniel Kurtz
2015-08-11  7:38           ` Daniel Kurtz

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