linux-kernel - [PATCH] mmc:tmio_mmc change driver to use dev_pm

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Date:	Sat, 10 Aug 2013 09:20:55 -0600
From:	Shuah Khan <shuah.kh@...sung.com>
To:	g.liakhovetski@....de, ian@...menth.co.uk, cjb@...top.org
Cc:	Shuah Khan <shuah.kh@...sung.com>, linux-mmc@...r.kernel.org,
	linux-kernel@...r.kernel.org, shuahkhan@...il.com
Subject: [PATCH] mmc:tmio_mmc change driver to use dev_pm_ops infrastructure

Change tmio_mmc platform driver to register pm ops using dev_pm_ops instead of
legacy pm_ops infrastructure.

Signed-off-by: Shuah Khan <shuah.kh@...sung.com>
---
 drivers/mmc/host/tmio_mmc.c |   24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index 8860d4d..3e3c730 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -24,31 +24,33 @@
 #include "tmio_mmc.h"
 
 #ifdef CONFIG_PM
-static int tmio_mmc_suspend(struct platform_device *dev, pm_message_t state)
+static int tmio_mmc_suspend(struct device *dev)
 {
-	const struct mfd_cell *cell = mfd_get_cell(dev);
+	struct platform_device *pdev = to_platform_device(dev);
+	const struct mfd_cell *cell = mfd_get_cell(pdev);
 	int ret;
 
-	ret = tmio_mmc_host_suspend(&dev->dev);
+	ret = tmio_mmc_host_suspend(dev);
 
 	/* Tell MFD core it can disable us now.*/
 	if (!ret && cell->disable)
-		cell->disable(dev);
+		cell->disable(pdev);
 
 	return ret;
 }
 
-static int tmio_mmc_resume(struct platform_device *dev)
+static int tmio_mmc_resume(struct device *dev)
 {
-	const struct mfd_cell *cell = mfd_get_cell(dev);
+	struct platform_device *pdev = to_platform_device(dev);
+	const struct mfd_cell *cell = mfd_get_cell(pdev);
 	int ret = 0;
 
 	/* Tell the MFD core we are ready to be enabled */
 	if (cell->resume)
-		ret = cell->resume(dev);
+		ret = cell->resume(pdev);
 
 	if (!ret)
-		ret = tmio_mmc_host_resume(&dev->dev);
+		ret = tmio_mmc_host_resume(dev);
 
 	return ret;
 }
@@ -123,17 +125,19 @@ static int tmio_mmc_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static SIMPLE_DEV_PM_OPS(tmio_mmc_dev_pm_ops, tmio_mmc_suspend,
+			  tmio_mmc_resume);
+
 /* ------------------- device registration ----------------------- */
 
 static struct platform_driver tmio_mmc_driver = {
 	.driver = {
 		.name = "tmio-mmc",
 		.owner = THIS_MODULE,
+		.pm = &tmio_mmc_dev_pm_ops,
 	},
 	.probe = tmio_mmc_probe,
 	.remove = tmio_mmc_remove,
-	.suspend = tmio_mmc_suspend,
-	.resume = tmio_mmc_resume,
 };
 
 module_platform_driver(tmio_mmc_driver);
-- 
1.7.10.4

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