diff mbox series

[v2,04/11] ena_netdev: use generic power management

Message ID 20200701165057.667799-5-vaibhavgupta40@gmail.com
State Accepted
Delegated to: David Miller
Headers show
Series net: ethernet: use generic power management | expand

Commit Message

Vaibhav Gupta July 1, 2020, 4:50 p.m. UTC 
With legacy PM, drivers themselves were responsible for managing the
device's power states and takes care of register states.

After upgrading to the generic structure, PCI core will take care of
required tasks and drivers should do only device-specific operations.

Compile-tested only.

Signed-off-by: Vaibhav Gupta <vaibhavgupta40@gmail.com>
---
 drivers/net/ethernet/amazon/ena/ena_netdev.c | 22 ++++++++------------
 1 file changed, 9 insertions(+), 13 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index dda4b8fc9525..91be3ffa1c5c 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -4420,13 +4420,12 @@  static void ena_shutdown(struct pci_dev *pdev)
 	__ena_shutoff(pdev, true);
 }
 
-#ifdef CONFIG_PM
 /* ena_suspend - PM suspend callback
- * @pdev: PCI device information struct
- * @state:power state
+ * @dev_d: Device information struct
  */
-static int ena_suspend(struct pci_dev *pdev,  pm_message_t state)
+static int __maybe_unused ena_suspend(struct device *dev_d)
 {
+	struct pci_dev *pdev = to_pci_dev(dev_d);
 	struct ena_adapter *adapter = pci_get_drvdata(pdev);
 
 	u64_stats_update_begin(&adapter->syncp);
@@ -4445,12 +4444,11 @@  static int ena_suspend(struct pci_dev *pdev,  pm_message_t state)
 }
 
 /* ena_resume - PM resume callback
- * @pdev: PCI device information struct
- *
+ * @dev_d: Device information struct
  */
-static int ena_resume(struct pci_dev *pdev)
+static int __maybe_unused ena_resume(struct device *dev_d)
 {
-	struct ena_adapter *adapter = pci_get_drvdata(pdev);
+	struct ena_adapter *adapter = dev_get_drvdata(dev_d);
 	int rc;
 
 	u64_stats_update_begin(&adapter->syncp);
@@ -4462,7 +4460,8 @@  static int ena_resume(struct pci_dev *pdev)
 	rtnl_unlock();
 	return rc;
 }
-#endif
+
+static SIMPLE_DEV_PM_OPS(ena_pm_ops, ena_suspend, ena_resume);
 
 static struct pci_driver ena_pci_driver = {
 	.name		= DRV_MODULE_NAME,
@@ -4470,10 +4469,7 @@  static struct pci_driver ena_pci_driver = {
 	.probe		= ena_probe,
 	.remove		= ena_remove,
 	.shutdown	= ena_shutdown,
-#ifdef CONFIG_PM
-	.suspend    = ena_suspend,
-	.resume     = ena_resume,
-#endif
+	.driver.pm	= &ena_pm_ops,
 	.sriov_configure = pci_sriov_configure_simple,
 };