From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932191AbcEMMBx (ORCPT ); Fri, 13 May 2016 08:01:53 -0400 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174]:63462 "EHLO mx0a-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751857AbcEMMBt (ORCPT ); Fri, 13 May 2016 08:01:49 -0400 From: Jisheng Zhang To: CC: , , , Jisheng Zhang Subject: [PATCH 1/2] net: pxa168_eth: use {readl|writel}_relaxed instead of readl/writel Date: Fri, 13 May 2016 19:57:29 +0800 Message-ID: <1463140650-7038-2-git-send-email-jszhang@marvell.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1463140650-7038-1-git-send-email-jszhang@marvell.com> References: <1463140650-7038-1-git-send-email-jszhang@marvell.com> MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-05-13_05:,, signatures=0 X-Proofpoint-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1605130163 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Since appropriate memory barriers are already there, use the relaxed version to improve performance a bit. Signed-off-by: Jisheng Zhang --- drivers/net/ethernet/marvell/pxa168_eth.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c index c442f6a..db774e3 100644 --- a/drivers/net/ethernet/marvell/pxa168_eth.c +++ b/drivers/net/ethernet/marvell/pxa168_eth.c @@ -286,12 +286,12 @@ static int pxa168_eth_stop(struct net_device *dev); static inline u32 rdl(struct pxa168_eth_private *pep, int offset) { - return readl(pep->base + offset); + return readl_relaxed(pep->base + offset); } static inline void wrl(struct pxa168_eth_private *pep, int offset, u32 data) { - writel(data, pep->base + offset); + writel_relaxed(data, pep->base + offset); } static void abort_dma(struct pxa168_eth_private *pep) -- 2.8.1