r8169:add disable/enable RTL8168G pll function

RTL8168G also can disable/enable pll function.

Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 000bd6c..93f8d3f 100644 (file)
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -4375,6 +4375,7 @@ static void r8168_pll_power_down(struct rtl8169_private *tp)
        case RTL_GIGA_MAC_VER_41:
                rtl_w1w0_eri(tp, 0x1a8, ERIAR_MASK_1111, 0x00000000,
                             0xfc000000, ERIAR_EXGMAC);
+               RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
                break;
        }
 }
@@ -4399,6 +4400,7 @@ static void r8168_pll_power_up(struct rtl8169_private *tp)
                break;
        case RTL_GIGA_MAC_VER_40:
        case RTL_GIGA_MAC_VER_41:
+               RTL_W8(PMCH, RTL_R8(PMCH) | 0xc0);
                rtl_w1w0_eri(tp, 0x1a8, ERIAR_MASK_1111, 0xfc000000,
                             0x00000000, ERIAR_EXGMAC);
                break;