linux-kernel - [ 71/84] r8169: 8168c and later require bit 0x20 to be set in Config2 for PME signaling.

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Date:	Thu, 11 Oct 2012 11:03:55 +0900
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	alan@...rguk.ukuu.org.uk, Francois Romieu <romieu@...zoreil.com>,
	Hayes Wang <hayeswang@...ltek.com>,
	Jonathan Nieder <jrnieder@...il.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: [ 71/84] r8169: 8168c and later require bit 0x20 to be set in Config2 for PME signaling.

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

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

From: Francois Romieu <romieu@...zoreil.com>

commit d387b427c973974dd619a33549c070ac5d0e089f upstream.

The new 84xx stopped flying below the radars.

Signed-off-by: Francois Romieu <romieu@...zoreil.com>
Cc: Hayes Wang <hayeswang@...ltek.com>
Reviewed-by: Jonathan Nieder <jrnieder@...il.com>
Acked-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/r8169.c |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -299,6 +299,8 @@ enum rtl_registers {
 	Config0		= 0x51,
 	Config1		= 0x52,
 	Config2		= 0x53,
+#define PME_SIGNAL			(1 << 5)	/* 8168c and later */
+
 	Config3		= 0x54,
 	Config4		= 0x55,
 	Config5		= 0x56,
@@ -1249,6 +1251,10 @@ 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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