1 files changed, 7 insertions, 24 deletions

diff --git a/drivers/media/platform/marvell-ccic/cafe-driver.c b/drivers/media/platform/marvell-ccic/cafe-driver.c
index 9a09a10a3631..58b9915ac7a4 100644
--- a/drivers/media/platform/marvell-ccic/cafe-driver.c
+++ b/drivers/media/platform/marvell-ccic/cafe-driver.c
@@ -604,44 +604,28 @@ static void cafe_pci_remove(struct pci_dev *pdev)
 }
 
 
-#ifdef CONFIG_PM
 /*
  * Basic power management.
  */
-static int cafe_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+static int __maybe_unused cafe_pci_suspend(struct device *dev)
 {
-	struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
+	struct v4l2_device *v4l2_dev = dev_get_drvdata(dev);
 	struct cafe_camera *cam = to_cam(v4l2_dev);
-	int ret;
 
-	ret = pci_save_state(pdev);
-	if (ret)
-		return ret;
 	mccic_suspend(&cam->mcam);
-	pci_disable_device(pdev);
 	return 0;
 }
 
 
-static int cafe_pci_resume(struct pci_dev *pdev)
+static int __maybe_unused cafe_pci_resume(struct device *dev)
 {
-	struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
+	struct v4l2_device *v4l2_dev = dev_get_drvdata(dev);
 	struct cafe_camera *cam = to_cam(v4l2_dev);
-	int ret = 0;
 
-	pci_restore_state(pdev);
-	ret = pci_enable_device(pdev);
-
-	if (ret) {
-		cam_warn(cam, "Unable to re-enable device on resume!\n");
-		return ret;
-	}
 	cafe_ctlr_init(&cam->mcam);
 	return mccic_resume(&cam->mcam);
 }
 
-#endif  /* CONFIG_PM */
-
 static const struct pci_device_id cafe_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL,
 		     PCI_DEVICE_ID_MARVELL_88ALP01_CCIC) },
@@ -650,15 +634,14 @@ static const struct pci_device_id cafe_ids[] = {
 
 MODULE_DEVICE_TABLE(pci, cafe_ids);
 
+static SIMPLE_DEV_PM_OPS(cafe_pci_pm_ops, cafe_pci_suspend, cafe_pci_resume);
+
 static struct pci_driver cafe_pci_driver = {
 	.name = "cafe1000-ccic",
 	.id_table = cafe_ids,
 	.probe = cafe_pci_probe,
 	.remove = cafe_pci_remove,
-#ifdef CONFIG_PM
-	.suspend = cafe_pci_suspend,
-	.resume = cafe_pci_resume,
-#endif
+	.driver.pm = &cafe_pci_pm_ops,
 };