[ 099/120] r8169: 8168c and later require bit 0x20 to be set in Config2 for PME signaling.

From: Greg Kroah-Hartman
Date: Wed Oct 10 2012 - 21:13:38 EST


3.4-stable review patch. If anyone has any objections, please let me know.

------------------

From: Francois Romieu <romieu@xxxxxxxxxxxxx>

commit d387b427c973974dd619a33549c070ac5d0e089f upstream.

The new 84xx stopped flying below the radars.

Signed-off-by: Francois Romieu <romieu@xxxxxxxxxxxxx>
Cc: Hayes Wang <hayeswang@xxxxxxxxxxx>
Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/net/ethernet/realtek/r8169.c | 6 ++++++
1 file changed, 6 insertions(+)

--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -319,6 +319,8 @@ enum rtl_registers {
Config0 = 0x51,
Config1 = 0x52,
Config2 = 0x53,
+#define PME_SIGNAL (1 << 5) /* 8168c and later */
+
Config3 = 0x54,
Config4 = 0x55,
Config5 = 0x56,
@@ -1426,6 +1428,10 @@ static void __rtl8169_set_wol(struct rtl
RTL_W8(Config1, options);
break;
default:
+ options = RTL_R8(Config2) & ~PME_SIGNAL;
+ if (wolopts)
+ options |= PME_SIGNAL;
+ RTL_W8(Config2, options);
break;
}



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