From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423731Ab2LGBAr (ORCPT ); Thu, 6 Dec 2012 20:00:47 -0500 Received: from mail-pa0-f46.google.com ([209.85.220.46]:46480 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423712Ab2LGBAl (ORCPT ); Thu, 6 Dec 2012 20:00:41 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Greg Kroah-Hartman , alan@lxorguk.ukuu.org.uk, Francois Romieu , Jeff Garzik , "David S. Miller" , CAI Qian Subject: [ 27/27] 8139cp: revert "set ring address before enabling receiver" Date: Thu, 6 Dec 2012 16:59:11 -0800 Message-Id: <20121207005833.975931292@linuxfoundation.org> X-Mailer: git-send-email 1.8.0.197.g5a90748 In-Reply-To: <20121207005825.232489605@linuxfoundation.org> References: <20121207005825.232489605@linuxfoundation.org> User-Agent: quilt/0.60-2.1.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Francois Romieu commit b26623dab7eeb1e9f5898c7a49458789dd492f20 upstream. This patch reverts b01af4579ec41f48e9b9c774e70bd6474ad210db. The original patch was tested with emulated hardware. Real hardware chokes. Fixes https://bugzilla.kernel.org/show_bug.cgi?id=47041 Signed-off-by: Francois Romieu Acked-by: Jeff Garzik Signed-off-by: David S. Miller Signed-off-by: CAI Qian Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/realtek/8139cp.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -979,17 +979,6 @@ static void cp_init_hw (struct cp_privat cpw32_f (MAC0 + 0, le32_to_cpu (*(__le32 *) (dev->dev_addr + 0))); cpw32_f (MAC0 + 4, le32_to_cpu (*(__le32 *) (dev->dev_addr + 4))); - cpw32_f(HiTxRingAddr, 0); - cpw32_f(HiTxRingAddr + 4, 0); - - ring_dma = cp->ring_dma; - cpw32_f(RxRingAddr, ring_dma & 0xffffffff); - cpw32_f(RxRingAddr + 4, (ring_dma >> 16) >> 16); - - ring_dma += sizeof(struct cp_desc) * CP_RX_RING_SIZE; - cpw32_f(TxRingAddr, ring_dma & 0xffffffff); - cpw32_f(TxRingAddr + 4, (ring_dma >> 16) >> 16); - cp_start_hw(cp); cpw8(TxThresh, 0x06); /* XXX convert magic num to a constant */ @@ -1003,6 +992,17 @@ static void cp_init_hw (struct cp_privat cpw8(Config5, cpr8(Config5) & PMEStatus); + cpw32_f(HiTxRingAddr, 0); + cpw32_f(HiTxRingAddr + 4, 0); + + ring_dma = cp->ring_dma; + cpw32_f(RxRingAddr, ring_dma & 0xffffffff); + cpw32_f(RxRingAddr + 4, (ring_dma >> 16) >> 16); + + ring_dma += sizeof(struct cp_desc) * CP_RX_RING_SIZE; + cpw32_f(TxRingAddr, ring_dma & 0xffffffff); + cpw32_f(TxRingAddr + 4, (ring_dma >> 16) >> 16); + cpw16(MultiIntr, 0); cpw8_f(Cfg9346, Cfg9346_Lock);