r8169: 8168c and later require bit 0x20 to be set in Config2 for PME signaling.

commit d387b427c973974dd619a33549c070ac5d0e089f upstream.

The new 84xx stopped flying below the radars.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index ef4f60db22e79997f6f908ab48d0109db96d01fc..4b43bc58b0c173488a7bf989dff1ebfbfd35d017 100644 (file)
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -327,6 +327,8 @@ enum rtl_registers {
        Config0         = 0x51,
        Config1         = 0x52,
        Config2         = 0x53,
+#define PME_SIGNAL                     (1 << 5)        /* 8168c and later */
+
        Config3         = 0x54,
        Config4         = 0x55,
        Config5         = 0x56,
@@ -1386,6 +1388,10 @@ static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
                RTL_W8(Config1, options);
                break;
        default:
+               options = RTL_R8(Config2) & ~PME_SIGNAL;
+               if (wolopts)
+                       options |= PME_SIGNAL;
+               RTL_W8(Config2, options);
                break;
        }