mmc: dw_mmc: eliminate useless usage of ret

In few places usage of ret variable is not needed.
This patch simplifies those pieces of code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/dw_mmc-pci.c b/drivers/mmc/host/dw_mmc-pci.c
index 083fcd2..c469ce6 100644
--- a/drivers/mmc/host/dw_mmc-pci.c
+++ b/drivers/mmc/host/dw_mmc-pci.c
@@ -100,22 +100,18 @@
 #ifdef CONFIG_PM_SLEEP
 static int dw_mci_pci_suspend(struct device *dev)
 {
-	int ret;
 	struct pci_dev *pdev = to_pci_dev(dev);
 	struct dw_mci *host = pci_get_drvdata(pdev);
 
-	ret = dw_mci_suspend(host);
-	return ret;
+	return dw_mci_suspend(host);
 }
 
 static int dw_mci_pci_resume(struct device *dev)
 {
-	int ret;
 	struct pci_dev *pdev = to_pci_dev(dev);
 	struct dw_mci *host = pci_get_drvdata(pdev);
 
-	ret = dw_mci_resume(host);
-	return ret;
+	return dw_mci_resume(host);
 }
 #else
 #define dw_mci_pci_suspend	NULL