linux-kernel - [PATCH 01/10] rtc: rtc-at91rm9200: switch to using SIMPLE_DEV_PM

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Date:	Mon, 18 Mar 2013 18:29:36 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Andrew Morton' <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org,
	'Alessandro Zummo' <a.zummo@...ertech.it>,
	rtc-linux@...glegroups.com, 'Jingoo Han' <jg1.han@...sung.com>
Subject: [PATCH 01/10] rtc: rtc-at91rm9200: switch to using SIMPLE_DEV_PM_OPS

Switch to using SIMPLE_DEV_PM_OPS  macro to declare the driver's
pm_ops. It reduces code size.

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
---
 drivers/rtc/rtc-at91rm9200.c |   16 ++++------------
 1 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index f63c8fe..f07bd31 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -337,7 +337,7 @@ static int __exit at91_rtc_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 
 /* AT91RM9200 RTC Power management control */
 
@@ -369,24 +369,16 @@ static int at91_rtc_resume(struct device *dev)
 	}
 	return 0;
 }
-
-static const struct dev_pm_ops at91_rtc_pm = {
-	.suspend =	at91_rtc_suspend,
-	.resume =	at91_rtc_resume,
-};
-
-#define at91_rtc_pm_ptr	&at91_rtc_pm
-
-#else
-#define at91_rtc_pm_ptr	NULL
 #endif
 
+static SIMPLE_DEV_PM_OPS(at91_rtc_pm_ops, at91_rtc_suspend, at91_rtc_resume);
+
 static struct platform_driver at91_rtc_driver = {
 	.remove		= __exit_p(at91_rtc_remove),
 	.driver		= {
 		.name	= "at91_rtc",
 		.owner	= THIS_MODULE,
-		.pm	= at91_rtc_pm_ptr,
+		.pm	= &at91_rtc_pm_ops,
 	},
 };
 
-- 
1.7.2.5


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