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Message-ID: <47331A2C.6050005@rtr.ca>
Date:	Thu, 08 Nov 2007 09:16:12 -0500
From:	Mark Lord <lkml@....ca>
To:	Francois Romieu <romieu@...zoreil.com>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jeff Garzik <jgarzik@...ox.com>,
	Linus Torvalds <torvalds@...l.org>
Subject: [PATCH] r8169 fix regression on ASUS motherboards (updated again)

Francois Romieu wrote:
>
> Ok, I have pushed the patch below for Jeff to pull at korg.
> 
>>>From 1dd7681bc2ff171341ea5cae957f8ecb5c0c102e Mon Sep 17 00:00:00 2001
> From: Mark Lord <mlord@...ox.com>
> Date: Thu, 8 Nov 2007 01:03:04 +0100
> Subject: [PATCH] r8169: revert 7da97ec96a0934319c7fbedd3d38baf533e20640 (partly)
> 
> Various symptoms depending on the .config options:
> - the card stops working after some (short) time
> - the card does not work at all
> - the card disappears (nothing in lspci/dmesg)
> 
> A real power-off is needed to recover the card.
> 
> Signed-off-by: Mark Lord <mlord@...ox.com>
> Signed-off-by: Francois Romieu <romieu@...zoreil.com>
> ---
>  drivers/net/r8169.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
> index 9dbab3f..a37cf82 100644
> --- a/drivers/net/r8169.c
> +++ b/drivers/net/r8169.c
> @@ -1328,6 +1328,7 @@ static void rtl_hw_phy_config(struct net_device *dev)
>  		break;
>  	case RTL_GIGA_MAC_VER_11:
>  	case RTL_GIGA_MAC_VER_12:
> +		break;
>  	case RTL_GIGA_MAC_VER_17:
>  		rtl8168b_hw_phy_config(ioaddr);
>  		break;
..

Stop the presses:  Another person has now reported back to me.
This guy has the VER_17 chip inside a notebook, and the same problem.

So the unified fix for all of these is to just get rid of rtl8168b_hw_phy_config(),
as that code is all that is really different from 2.6.23 (where all is okay).

Updated patch below.

* * * * *

Fix r8169B regression on ASUS motherboards (and MSI, and..)

Third/final iteration.
This replaces the earlier versions of this patch.
This one fixes *all* versions of r6169 *B* variant,
restoring the init code back to what it was in 2.6.23.

The r8169 ethernet driver worked fine in 2.6.23, but fails
in 2.6.24-rc* for the onboard ethernet of some ASUS (MAC_VER_11)
and MSI (MAC_VER_12) motherboards, and also for some notebooks
(MAC_VER_17) that use this chip.

Various symptoms depending on the .config options:
- the card stops working after some (short) time
- the card does not work at all
- the card disappears (nothing in lspci/dmesg)

A real power-off is needed to recover the card.

This patch fixes it again.

Signed-off-by: Mark Lord <mlord@...ox.com>

--- linux-2.6.24-rc2/drivers/net/r8169.c	2007-11-06 22:56:24.000000000 -0500
+++ linux/drivers/net/r8169.c	2007-11-08 09:05:08.000000000 -0500
@@ -1247,13 +1247,6 @@
 }
 static void rtl8168b_hw_phy_config(void __iomem *ioaddr)
 {
-	struct phy_reg phy_reg_init[] = {
-		{ 0x1f, 0x0000 },
-		{ 0x10, 0xf41b },
-		{ 0x1f, 0x0000 }
-	};
-
-	rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
 }
 
 static void rtl8168cp_hw_phy_config(void __iomem *ioaddr)
-
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