From: Francois Romieu <romieu@fr.zoreil.com>
Date: Fri, 5 Oct 2012 21:29:18 +0000 (+0200)
Subject: r8169: Config1 is read-only on 8168c and later.
X-Git-Tag: firefly_0821_release~7541^2~499
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=68c93387c8081fcb359a3d2d37f3504e03be0e5b;p=firefly-linux-kernel-4.4.55.git

r8169: Config1 is read-only on 8168c and later.

commit 851e60221926a53344b4227879858bef841b0477 upstream.

Suggested by Hayes.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index a68647998fc4..c9bf1e8124dd 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -1223,7 +1223,6 @@ static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
 		u16 reg;
 		u8  mask;
 	} cfg[] = {
-		{ WAKE_ANY,   Config1, PMEnable },
 		{ WAKE_PHY,   Config3, LinkUp },
 		{ WAKE_MAGIC, Config3, MagicPacket },
 		{ WAKE_UCAST, Config5, UWF },
@@ -1231,16 +1230,28 @@ static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
 		{ WAKE_MCAST, Config5, MWF },
 		{ WAKE_ANY,   Config5, LanWake }
 	};
+	u8 options;
 
 	RTL_W8(Cfg9346, Cfg9346_Unlock);
 
 	for (i = 0; i < ARRAY_SIZE(cfg); i++) {
-		u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
+		options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
 		if (wolopts & cfg[i].opt)
 			options |= cfg[i].mask;
 		RTL_W8(cfg[i].reg, options);
 	}
 
+	switch (tp->mac_version) {
+	case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_17:
+		options = RTL_R8(Config1) & ~PMEnable;
+		if (wolopts)
+			options |= PMEnable;
+		RTL_W8(Config1, options);
+		break;
+	default:
+		break;
+	}
+
 	RTL_W8(Cfg9346, Cfg9346_Lock);
 }