[73/98] r8169: more broken register writes workaround

From: Greg KH
Date: Mon May 10 2010 - 19:07:58 EST


2.6.32-stable review patch. If anyone has any objections, please let us know.

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

From: =?UTF-8?q?fran=C3=A7ois=20romieu?= <romieu@xxxxxxxxxxxxx>

commit 908ba2bfd22253f26fa910cd855e4ccffb1467d0 upstream.

78f1cd02457252e1ffbc6caa44a17424a45286b8 ("fix broken register writes")
does not work for Al Viro's r8169 (XID 18000000).

Signed-off-by: Francois Romieu <romieu@xxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
drivers/net/r8169.c | 5 +++++
1 file changed, 5 insertions(+)

--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -2832,8 +2832,13 @@ static void rtl_rar_set(struct rtl8169_p
spin_lock_irq(&tp->lock);

RTL_W8(Cfg9346, Cfg9346_Unlock);
+
RTL_W32(MAC4, high);
+ RTL_R32(MAC4);
+
RTL_W32(MAC0, low);
+ RTL_R32(MAC0);
+
RTL_W8(Cfg9346, Cfg9346_Lock);

spin_unlock_irq(&tp->lock);


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