On pci express interface not support latency timer. Signed-off-by: Corcodel Marian <a...@marian1000.go.ro> --- drivers/net/ethernet/realtek/r8169.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 61623e9..2594bbb 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -3757,8 +3757,8 @@ static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp) dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n"); RTL_W8(0x82, 0x01); } - - pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40); + if (!tp->pci_dev->pcie_cap) + pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40); if (tp->mac_version <= RTL_GIGA_MAC_VER_06) pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08); -- 2.1.4