sky2: enable PCI config writes

On some boards, PCI configuration space access is turned off by default.
The 2.6.24 driver doesn't turn it on, and should have.

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

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index c27c7d63b6a5..4f41a9445961 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -2791,6 +2791,9 @@ static void sky2_reset(struct sky2_hw *hw)
         sky2_write8(hw, B0_CTST, CS_RST_SET);
         sky2_write8(hw, B0_CTST, CS_RST_CLR);
 
+        /* allow writes to PCI config */
+        sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
+
         /* clear PCI errors, if any */
         pci_read_config_word(pdev, PCI_STATUS, &status);
         status |= PCI_STATUS_ERROR_BITS;