memstick: r592: Use dev_get_drvdata

Instead of using to_pci_dev + pci_get_drvdata,
use dev_get_drvdata to make code simpler.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/memstick/host/r592.c

@@ -847,8 +847,7 @@ static void r592_remove(struct pci_dev *pdev)
 #ifdef CONFIG_PM_SLEEP
 static int r592_suspend(struct device *core_dev)
 {
-	struct pci_dev *pdev = to_pci_dev(core_dev);
-	struct r592_device *dev = pci_get_drvdata(pdev);
+	struct r592_device *dev = dev_get_drvdata(core_dev);
 
 	r592_clear_interrupts(dev);
 	memstick_suspend_host(dev->host);
@@ -858,8 +857,7 @@ static int r592_suspend(struct device *core_dev)
 
 static int r592_resume(struct device *core_dev)
 {
-	struct pci_dev *pdev = to_pci_dev(core_dev);
-	struct r592_device *dev = pci_get_drvdata(pdev);
+	struct r592_device *dev = dev_get_drvdata(core_dev);
 
 	r592_clear_interrupts(dev);
 	r592_enable_device(dev, false);