stmmac: pci: convert to use dev_pm_ops

Convert system PM callbacks to use dev_pm_ops. In addition remove the PCI calls
related to a power state since the bus code cares about this already.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 11 insertions, 16 deletions

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index e45794de5db9..f19ac8e445ff 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -150,30 +150,26 @@ static void stmmac_pci_remove(struct pci_dev *pdev)
         pci_disable_device(pdev);
 }
 
-#ifdef CONFIG_PM
-static int stmmac_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int stmmac_pci_suspend(struct device *dev)
 {
+        struct pci_dev *pdev = to_pci_dev(dev);
         struct net_device *ndev = pci_get_drvdata(pdev);
-        int ret;
 
-        ret = stmmac_suspend(ndev);
-        pci_save_state(pdev);
-        pci_set_power_state(pdev, pci_choose_state(pdev, state));
-
-        return ret;
+        return stmmac_suspend(ndev);
 }
 
-static int stmmac_pci_resume(struct pci_dev *pdev)
+static int stmmac_pci_resume(struct device *dev)
 {
+        struct pci_dev *pdev = to_pci_dev(dev);
         struct net_device *ndev = pci_get_drvdata(pdev);
 
-        pci_set_power_state(pdev, PCI_D0);
-        pci_restore_state(pdev);
-
         return stmmac_resume(ndev);
 }
 #endif
 
+static SIMPLE_DEV_PM_OPS(stmmac_pm_ops, stmmac_pci_suspend, stmmac_pci_resume);
+
 #define STMMAC_VENDOR_ID 0x700
 #define STMMAC_DEVICE_ID 0x1108
 
@@ -190,10 +186,9 @@ struct pci_driver stmmac_pci_driver = {
         .id_table = stmmac_id_table,
         .probe = stmmac_pci_probe,
         .remove = stmmac_pci_remove,
-#ifdef CONFIG_PM
-        .suspend = stmmac_pci_suspend,
-        .resume = stmmac_pci_resume,
-#endif
+        .driver         = {
+                .pm     = &stmmac_pm_ops,
+        },
 };
 
 MODULE_DESCRIPTION("STMMAC 10/100/1000 Ethernet PCI driver");