linux-kernel - [PATCH 1/3] watchdog: dw_wdt: convert to SIMPLE_DEV_PM

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Message-Id: <201306262003.53192.heiko@sntech.de>
Date:	Wed, 26 Jun 2013 20:03:52 +0200
From:	Heiko Stübner <heiko@...ech.de>
To:	Wim Van Sebroeck <wim@...ana.be>
Cc:	Jamie Iles <jamie@...ieiles.com>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>,
	devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	linux-watchdog@...r.kernel.org
Subject: [PATCH 1/3] watchdog: dw_wdt: convert to SIMPLE_DEV_PM_OPS

The dw_wdt only provides PM_SLEEP operations, so convert the driver
to use SIMPLE_DEV_PM_OPS instead of populating the struct manually.
This has the added effect of simplifying the CONFIG_PM ifdefs.

Signed-off-by: Heiko Stuebner <heiko@...ech.de>
---
 drivers/watchdog/dw_wdt.c |   11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/watchdog/dw_wdt.c b/drivers/watchdog/dw_wdt.c
index e621098..4d3906d 100644
--- a/drivers/watchdog/dw_wdt.c
+++ b/drivers/watchdog/dw_wdt.c
@@ -252,7 +252,7 @@ static int dw_wdt_release(struct inode *inode, struct file *filp)
 	return 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int dw_wdt_suspend(struct device *dev)
 {
 	clk_disable(dw_wdt.clk);
@@ -271,12 +271,9 @@ static int dw_wdt_resume(struct device *dev)
 
 	return 0;
 }
+#endif /* CONFIG_PM_SLEEP */
 
-static const struct dev_pm_ops dw_wdt_pm_ops = {
-	.suspend	= dw_wdt_suspend,
-	.resume		= dw_wdt_resume,
-};
-#endif /* CONFIG_PM */
+static SIMPLE_DEV_PM_OPS(dw_wdt_pm_ops, dw_wdt_suspend, dw_wdt_resume);
 
 static const struct file_operations wdt_fops = {
 	.owner		= THIS_MODULE,
@@ -346,9 +343,7 @@ static struct platform_driver dw_wdt_driver = {
 	.driver		= {
 		.name	= "dw_wdt",
 		.owner	= THIS_MODULE,
-#ifdef CONFIG_PM
 		.pm	= &dw_wdt_pm_ops,
-#endif /* CONFIG_PM */
 	},
 };
 
-- 
1.7.10.4

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