gma500: remove the legacy PM method

PCI core only prefer one of legacy PM and new PM. And since runtime pm
is implemented, which requires the new PM method, we should remove the
legacy PM method.
Signed-off-by: NOctavian Purdila <octavian.purdila@intel.com>
Signed-off-by: NAlan Cox <alan@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/gma500/power.c

@@ -185,8 +185,9 @@ static bool gma_resume_pci(struct pci_dev *pdev)
  *	perform the necessary shut down steps and save enough state that
  *	we can undo this when resume is called.
  */
-int gma_power_suspend(struct pci_dev *pdev, pm_message_t state)
+int gma_power_suspend(struct device *_dev)
 {
+	struct pci_dev *pdev = container_of(_dev, struct pci_dev, dev);
 	struct drm_device *dev = pci_get_drvdata(pdev);
 	struct drm_psb_private *dev_priv = dev->dev_private;
 
@@ -210,8 +211,9 @@ int gma_power_suspend(struct pci_dev *pdev, pm_message_t state)
  *
  *	Resume the PCI side of the graphics and then the displays
  */
-int gma_power_resume(struct pci_dev *pdev)
+int gma_power_resume(struct device *_dev)
 {
+	struct pci_dev *pdev = container_of(_dev, struct pci_dev, dev);
 	struct drm_device *dev = pci_get_drvdata(pdev);
 
 	mutex_lock(&power_mutex);
@@ -295,8 +297,7 @@ void gma_power_end(struct drm_device *dev)
 
 int psb_runtime_suspend(struct device *dev)
 {
-	static pm_message_t dummy;
-	return gma_power_suspend(to_pci_dev(dev), dummy);
+	return gma_power_suspend(dev);
 }
 
 int psb_runtime_resume(struct device *dev)

drivers/staging/gma500/power.h

@@ -39,8 +39,8 @@ void gma_power_uninit(struct drm_device *dev);
 /*
  * The kernel bus power management  will call these functions
  */
-int gma_power_suspend(struct pci_dev *pdev, pm_message_t state);
-int gma_power_resume(struct pci_dev *pdev);
+int gma_power_suspend(struct device *dev);
+int gma_power_resume(struct device *dev);
 
 /*
  * These are the functions the driver should use to wrap all hw access

drivers/staging/gma500/psb_drv.c

@@ -1144,6 +1144,8 @@ static void psb_remove(struct pci_dev *pdev)
 }
 
 static const struct dev_pm_ops psb_pm_ops = {
+	.resume = gma_power_resume,
+	.suspend = gma_power_suspend,
 	.runtime_suspend = psb_runtime_suspend,
 	.runtime_resume = psb_runtime_resume,
 	.runtime_idle = psb_runtime_idle,
@@ -1205,13 +1207,9 @@ static struct drm_driver driver = {
 static struct pci_driver psb_pci_driver = {
 	.name = DRIVER_NAME,
 	.id_table = pciidlist,
-	.resume = gma_power_resume,
-	.suspend = gma_power_suspend,
 	.probe = psb_probe,
 	.remove = psb_remove,
-#ifdef CONFIG_PM
 	.driver.pm = &psb_pm_ops,
-#endif
 };
 
 static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)