sky2: GPIO register

The General Purpose I/O register is yet another hardware workaround
catchall. Enable workaround that vendor driver does to stay
but for bug compatiable.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index fbe39d929277..1f1b6db434be 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -230,6 +230,11 @@ static void sky2_power_on(struct sky2_hw *hw)
                 sky2_pci_write32(hw, PCI_DEV_REG5, reg);
 
                 sky2_pci_write32(hw, PCI_CFG_REG_1, 0);
+
+                /* Enable workaround for dev 4.107 on Yukon-Ultra & Extreme */
+                reg = sky2_read32(hw, B2_GP_IO);
+                reg |= GLB_GPIO_STAT_RACE_DIS;
+                sky2_write32(hw, B2_GP_IO, reg);
         }
 }