linux-kernel - [PATCH 2/4] hwmon / abituguru3: Use struct dev_pm

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Date:	Sat, 7 Jul 2012 23:04:42 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Linux PM list <linux-pm@...r.kernel.org>,
	Hans de Goede <hdegoede@...hat.com>,
	Alistair John Strachan <alistair@...zero.co.uk>,
	lm-sensors@...sensors.org, Jean Delvare <khali@...ux-fr.org>,
	Guenter Roeck <linux@...ck-us.net>,
	Kukjin Kim <kgene.kim@...sung.com>
Subject: [PATCH 2/4] hwmon / abituguru3: Use struct dev_pm_ops for power management

From: Rafael J. Wysocki <rjw@...k.pl>

Make the Abit uGuru rev. 3 driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct platform_driver.

Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
---
 drivers/hwmon/abituguru3.c |   21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

Index: linux/drivers/hwmon/abituguru3.c
===================================================================
--- linux.orig/drivers/hwmon/abituguru3.c
+++ linux/drivers/hwmon/abituguru3.c
@@ -1142,9 +1142,11 @@ LEAVE_UPDATE:
 }
 
 #ifdef CONFIG_PM
-static int abituguru3_suspend(struct platform_device *pdev, pm_message_t state)
+static int abituguru3_suspend(struct device *dev)
 {
-	struct abituguru3_data *data = platform_get_drvdata(pdev);
+	struct abituguru3_data *data;
+
+	data = platform_get_drvdata(to_platform_device(dev));
 	/*
 	 * make sure all communications with the uguru3 are done and no new
 	 * ones are started
@@ -1153,26 +1155,29 @@ static int abituguru3_suspend(struct pla
 	return 0;
 }
 
-static int abituguru3_resume(struct platform_device *pdev)
+static int abituguru3_resume(struct device *dev)
 {
-	struct abituguru3_data *data = platform_get_drvdata(pdev);
+	struct abituguru3_data *data;
+
+	data = platform_get_drvdata(to_platform_device(dev));
 	mutex_unlock(&data->update_lock);
 	return 0;
 }
+
+static SIMPLE_DEV_PM_OPS(abituguru3_pm, abituguru3_suspend, abituguru3_resume);
+#define ABIT_UGURU3_PM	(&abituguru3_pm)
 #else
-#define abituguru3_suspend	NULL
-#define abituguru3_resume	NULL
+#define ABIT_UGURU3_PM	NULL
 #endif /* CONFIG_PM */
 
 static struct platform_driver abituguru3_driver = {
 	.driver = {
 		.owner	= THIS_MODULE,
 		.name	= ABIT_UGURU3_NAME,
+		.pm	= ABIT_UGURU3_PM
 	},
 	.probe	= abituguru3_probe,
 	.remove	= __devexit_p(abituguru3_remove),
-	.suspend = abituguru3_suspend,
-	.resume = abituguru3_resume
 };
 
 static int __init abituguru3_dmi_detect(void)

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