sky2: WoL changes

Change Wake On Lan code to be similar to vendor driver. The definition
of Y2_HW_WOL_ON is confusing; what it means is transition to firmware SPI
setting when doing power change.

Since same code is done for both shutdown and suspend, use common
code path.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 56 deletions

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 92f7ba0953ee..edf37aaf67f8 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -251,6 +251,8 @@ static void sky2_power_on(struct sky2_hw *hw)
 
                 sky2_pci_write32(hw, PCI_CFG_REG_1, 0);
 
+                sky2_write16(hw, B0_CTST, Y2_HW_WOL_ON);
+
                 /* Enable workaround for dev 4.107 on Yukon-Ultra & Extreme */
                 reg = sky2_read32(hw, B2_GP_IO);
                 reg |= GLB_GPIO_STAT_RACE_DIS;
@@ -782,6 +784,9 @@ static void sky2_wol_init(struct sky2_port *sky2)
         ctrl |= WOL_CTL_DIS_PME_ON_PATTERN|WOL_CTL_DIS_PATTERN_UNIT;
         sky2_write16(hw, WOL_REGS(port, WOL_CTRL_STAT), ctrl);
 
+        /* Disable PiG firmware */
+        sky2_write16(hw, B0_CTST, Y2_HW_WOL_OFF);
+
         /* Turn on legacy PCI-Express PME mode */
         reg1 = sky2_pci_read32(hw, PCI_DEV_REG1);
         reg1 |= PCI_Y2_PME_LEGACY;
@@ -789,7 +794,6 @@ static void sky2_wol_init(struct sky2_port *sky2)
 
         /* block receiver */
         sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET);
-
 }
 
 static void sky2_set_tx_stfwd(struct sky2_hw *hw, unsigned port)
@@ -3272,27 +3276,6 @@ static inline u8 sky2_wol_supported(const struct sky2_hw *hw)
         return sky2_is_copper(hw) ? (WAKE_PHY | WAKE_MAGIC) : 0;
 }
 
-static void sky2_hw_set_wol(struct sky2_hw *hw)
-{
-        int wol = 0;
-        int i;
-
-        for (i = 0; i < hw->ports; i++) {
-                struct net_device *dev = hw->dev[i];
-                struct sky2_port *sky2 = netdev_priv(dev);
-
-                if (sky2->wol)
-                        wol = 1;
-        }
-
-        if (hw->chip_id == CHIP_ID_YUKON_EC_U ||
-            hw->chip_id == CHIP_ID_YUKON_EX ||
-            hw->chip_id == CHIP_ID_YUKON_FE_P)
-                sky2_write32(hw, B0_CTST, wol ? Y2_HW_WOL_ON : Y2_HW_WOL_OFF);
-
-        device_set_wakeup_enable(&hw->pdev->dev, wol);
-}
-
 static void sky2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 {
         const struct sky2_port *sky2 = netdev_priv(dev);
@@ -3311,11 +3294,6 @@ static int sky2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
                 return -EOPNOTSUPP;
 
         sky2->wol = wol->wolopts;
-
-        sky2_hw_set_wol(hw);
-
-        if (!netif_running(dev))
-                sky2_wol_init(sky2);
         return 0;
 }
 
@@ -4809,7 +4787,6 @@ static void __devexit sky2_remove(struct pci_dev *pdev)
         pci_set_drvdata(pdev, NULL);
 }
 
-#ifdef CONFIG_PM
 static int sky2_suspend(struct pci_dev *pdev, pm_message_t state)
 {
         struct sky2_hw *hw = pci_get_drvdata(pdev);
@@ -4834,6 +4811,8 @@ static int sky2_suspend(struct pci_dev *pdev, pm_message_t state)
                 wol |= sky2->wol;
         }
 
+        device_set_wakeup_enable(&pdev->dev, wol != 0);
+
         sky2_write32(hw, B0_IMSK, 0);
         napi_disable(&hw->napi);
         sky2_power_aux(hw);
@@ -4846,6 +4825,7 @@ static int sky2_suspend(struct pci_dev *pdev, pm_message_t state)
         return 0;
 }
 
+#ifdef CONFIG_PM
 static int sky2_resume(struct pci_dev *pdev)
 {
         struct sky2_hw *hw = pci_get_drvdata(pdev);
@@ -4895,34 +4875,7 @@ out:
 
 static void sky2_shutdown(struct pci_dev *pdev)
 {
-        struct sky2_hw *hw = pci_get_drvdata(pdev);
-        int i, wol = 0;
-
-        if (!hw)
-                return;
-
-        rtnl_lock();
-        del_timer_sync(&hw->watchdog_timer);
-
-        for (i = 0; i < hw->ports; i++) {
-                struct net_device *dev = hw->dev[i];
-                struct sky2_port *sky2 = netdev_priv(dev);
-
-                if (sky2->wol) {
-                        wol = 1;
-                        sky2_wol_init(sky2);
-                }
-        }
-
-        if (wol)
-                sky2_power_aux(hw);
-        rtnl_unlock();
-
-        pci_enable_wake(pdev, PCI_D3hot, wol);
-        pci_enable_wake(pdev, PCI_D3cold, wol);
-
-        pci_disable_device(pdev);
-        pci_set_power_state(pdev, PCI_D3hot);
+        sky2_suspend(pdev, PMSG_SUSPEND);
 }
 
 static struct pci_driver sky2_driver = {