From: Francois Romieu <romieu@fr.zoreil.com>
Date: Tue, 17 Apr 2012 09:12:01 +0000 (+0200)
Subject: r8169: 8168c and later require bit 0x20 to be set in Config2 for PME signaling.
X-Git-Tag: v3.5-rc1~109^2~423
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d387b427c973974dd619a33549c070ac5d0e089f;p=platform%2Fkernel%2Flinux-exynos.git

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

The new 84xx stopped flying below the radars.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
---

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 9b0b00b..207aadc 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -315,6 +315,8 @@ enum rtl_registers {
 	Config0		= 0x51,
 	Config1		= 0x52,
 	Config2		= 0x53,
+#define PME_SIGNAL			(1 << 5)	/* 8168c and later */
+
 	Config3		= 0x54,
 	Config4		= 0x55,
 	Config5		= 0x56,
@@ -1422,6 +1424,10 @@ 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;
 	}