mmc: dw_mmc: use dev_pm_ops for dw_mmc controllers

This patch modifies dw_mmc to use dev_pm_ops.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>

diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 3aaeb08..44bc11e 100644 (file)
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2062,14 +2062,14 @@ static int __exit dw_mci_remove(struct platform_device *pdev)
        return 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 /*
  * TODO: we should probably disable the clock to the card in the suspend path.
  */
-static int dw_mci_suspend(struct platform_device *pdev, pm_message_t mesg)
+static int dw_mci_suspend(struct device *dev)
 {
        int i, ret;
-       struct dw_mci *host = platform_get_drvdata(pdev);
+       struct dw_mci *host = dev_get_drvdata(dev);
 
        for (i = 0; i < host->num_slots; i++) {
                struct dw_mci_slot *slot = host->slot[i];
@@ -2092,10 +2092,10 @@ static int dw_mci_suspend(struct platform_device *pdev, pm_message_t mesg)
        return 0;
 }
 
-static int dw_mci_resume(struct platform_device *pdev)
+static int dw_mci_resume(struct device *dev)
 {
        int i, ret;
-       struct dw_mci *host = platform_get_drvdata(pdev);
+       struct dw_mci *host = dev_get_drvdata(dev);
 
        if (host->vmmc)
                regulator_enable(host->vmmc);
@@ -2103,7 +2103,7 @@ static int dw_mci_resume(struct platform_device *pdev)
        if (host->dma_ops->init)
                host->dma_ops->init(host);
 
-       if (!mci_wait_reset(&pdev->dev, host)) {
+       if (!mci_wait_reset(dev, host)) {
                ret = -ENODEV;
                return ret;
        }
@@ -2131,14 +2131,15 @@ static int dw_mci_resume(struct platform_device *pdev)
 #else
 #define dw_mci_suspend NULL
 #define dw_mci_resume  NULL
-#endif /* CONFIG_PM */
+#endif /* CONFIG_PM_SLEEP */
+
+static SIMPLE_DEV_PM_OPS(dw_mci_pmops, dw_mci_suspend, dw_mci_resume);
 
 static struct platform_driver dw_mci_driver = {
        .remove         = __exit_p(dw_mci_remove),
-       .suspend        = dw_mci_suspend,
-       .resume         = dw_mci_resume,
        .driver         = {
                .name           = "dw_mmc",
+               .pm             = &dw_mci_pmops,
        },
 };