mxcmmc: convert to pm_ops and enable/disable clock

Signed-off-by: Eric Bénard <eric@eukrea.com>
Cc: s.hauer@pengutronix.de
Cc: linux-mmc@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 18 insertions, 14 deletions

diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index fdf33e837a73..350f78e86245 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -936,43 +936,47 @@ static int mxcmci_remove(struct platform_device *pdev)
 }
 
 #ifdef CONFIG_PM
-static int mxcmci_suspend(struct platform_device *dev, pm_message_t state)
+static int mxcmci_suspend(struct device *dev)
 {
-        struct mmc_host *mmc = platform_get_drvdata(dev);
+        struct mmc_host *mmc = dev_get_drvdata(dev);
+        struct mxcmci_host *host = mmc_priv(mmc);
         int ret = 0;
 
         if (mmc)
                 ret = mmc_suspend_host(mmc);
+        clk_disable(host->clk);
 
         return ret;
 }
 
-static int mxcmci_resume(struct platform_device *dev)
+static int mxcmci_resume(struct device *dev)
 {
-        struct mmc_host *mmc = platform_get_drvdata(dev);
-        struct mxcmci_host *host;
+        struct mmc_host *mmc = dev_get_drvdata(dev);
+        struct mxcmci_host *host = mmc_priv(mmc);
         int ret = 0;
 
-        if (mmc) {
-                host = mmc_priv(mmc);
+        clk_enable(host->clk);
+        if (mmc)
                 ret = mmc_resume_host(mmc);
-        }
 
         return ret;
 }
-#else
-#define mxcmci_suspend  NULL
-#define mxcmci_resume   NULL
-#endif /* CONFIG_PM */
+
+static const struct dev_pm_ops mxcmci_pm_ops = {
+        .suspend        = mxcmci_suspend,
+        .resume         = mxcmci_resume,
+};
+#endif
 
 static struct platform_driver mxcmci_driver = {
         .probe          = mxcmci_probe,
         .remove         = mxcmci_remove,
-        .suspend        = mxcmci_suspend,
-        .resume         = mxcmci_resume,
         .driver         = {
                 .name           = DRIVER_NAME,
                 .owner          = THIS_MODULE,
+#ifdef CONFIG_PM
+                .pm     = &mxcmci_pm_ops,
+#endif
         }
 };