1 files changed, 10 insertions, 34 deletions

diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index cbe5fab793eb..834556ea21d2 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -5234,54 +5234,37 @@ static void pmcraid_remove(struct pci_dev *pdev)
 	return;
 }
 
-#ifdef CONFIG_PM
 /**
  * pmcraid_suspend - driver suspend entry point for power management
- * @pdev:   PCI device structure
- * @state:  PCI power state to suspend routine
+ * @dev:   Device structure
  *
  * Return Value - 0 always
  */
-static int pmcraid_suspend(struct pci_dev *pdev, pm_message_t state)
+static int __maybe_unused pmcraid_suspend(struct device *dev)
 {
+	struct pci_dev *pdev = to_pci_dev(dev);
 	struct pmcraid_instance *pinstance = pci_get_drvdata(pdev);
 
 	pmcraid_shutdown(pdev);
 	pmcraid_disable_interrupts(pinstance, ~0);
 	pmcraid_kill_tasklets(pinstance);
-	pci_set_drvdata(pinstance->pdev, pinstance);
 	pmcraid_unregister_interrupt_handler(pinstance);
-	pci_save_state(pdev);
-	pci_disable_device(pdev);
-	pci_set_power_state(pdev, pci_choose_state(pdev, state));
 
 	return 0;
 }
 
 /**
  * pmcraid_resume - driver resume entry point PCI power management
- * @pdev: PCI device structure
+ * @dev: Device structure
  *
  * Return Value - 0 in case of success. Error code in case of any failure
  */
-static int pmcraid_resume(struct pci_dev *pdev)
+static int __maybe_unused pmcraid_resume(struct device *dev)
 {
+	struct pci_dev *pdev = to_pci_dev(dev);
 	struct pmcraid_instance *pinstance = pci_get_drvdata(pdev);
 	struct Scsi_Host *host = pinstance->host;
-	int rc;
-
-	pci_set_power_state(pdev, PCI_D0);
-	pci_enable_wake(pdev, PCI_D0, 0);
-	pci_restore_state(pdev);
-
-	rc = pci_enable_device(pdev);
-
-	if (rc) {
-		dev_err(&pdev->dev, "resume: Enable device failed\n");
-		return rc;
-	}
-
-	pci_set_master(pdev);
+	int rc = 0;
 
 	if (sizeof(dma_addr_t) == 4 ||
 	    dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)))
@@ -5334,18 +5317,10 @@ release_host:
 	scsi_host_put(host);
 
 disable_device:
-	pci_disable_device(pdev);
 
 	return rc;
 }
 
-#else
-
-#define pmcraid_suspend NULL
-#define pmcraid_resume  NULL
-
-#endif /* CONFIG_PM */
-
 /**
  * pmcraid_complete_ioa_reset - Called by either timer or tasklet during
  *				completion of the ioa reset
@@ -5833,6 +5808,8 @@ out_disable_device:
 	return -ENODEV;
 }
 
+static SIMPLE_DEV_PM_OPS(pmcraid_pm_ops, pmcraid_suspend, pmcraid_resume);
+
 /*
  * PCI driver structure of pmcraid driver
  */
@@ -5841,8 +5818,7 @@ static struct pci_driver pmcraid_driver = {
 	.id_table = pmcraid_pci_table,
 	.probe = pmcraid_probe,
 	.remove = pmcraid_remove,
-	.suspend = pmcraid_suspend,
-	.resume = pmcraid_resume,
+	.driver.pm = &pmcraid_pm_ops,
 	.shutdown = pmcraid_shutdown
 };