[PATCH] sky2: phy power problems on 88e805X chips
authorStephen Hemminger <shemminger@osdl.org>
Wed, 9 Aug 2006 21:14:50 +0000 (14:14 -0700)
committerJeff Garzik <jeff@garzik.org>
Thu, 10 Aug 2006 12:30:48 +0000 (08:30 -0400)
On the 88E805X chipsets (used in laptops), the PHY was not getting powered
out of shutdown properly. The variable reg1 was getting reused incorrectly.
This is probably the cause of the bug.
http://bugzilla.kernel.org/show_bug.cgi?id=6471

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
drivers/net/sky2.c

index de91609..933e87f 100644 (file)
@@ -233,6 +233,8 @@ static void sky2_set_power_state(struct sky2_hw *hw, pci_power_t state)
                        if (hw->ports > 1)
                                reg1 |= PCI_Y2_PHY2_COMA;
                }
+               sky2_pci_write32(hw, PCI_DEV_REG1, reg1);
+               udelay(100);
 
                if (hw->chip_id == CHIP_ID_YUKON_EC_U) {
                        sky2_pci_write32(hw, PCI_DEV_REG3, 0);
@@ -242,9 +244,6 @@ static void sky2_set_power_state(struct sky2_hw *hw, pci_power_t state)
                        sky2_pci_write32(hw, PCI_DEV_REG5, 0);
                }
 
-               sky2_pci_write32(hw, PCI_DEV_REG1, reg1);
-               udelay(100);
-
                break;
 
        case PCI_D3hot: