From patchwork Tue Sep 23 06:34:58 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jisheng Zhang X-Patchwork-Id: 4953711 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 64E3D9F2BB for ; Tue, 23 Sep 2014 06:40:19 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 451E82015A for ; Tue, 23 Sep 2014 06:40:18 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 367FA20149 for ; Tue, 23 Sep 2014 06:40:17 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XWJjV-0004qG-FL; Tue, 23 Sep 2014 06:37:53 +0000 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XWJjS-0004m5-6D for linux-arm-kernel@lists.infradead.org; Tue, 23 Sep 2014 06:37:50 +0000 Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.14.5/8.14.5) with SMTP id s8N6bJam008696; Mon, 22 Sep 2014 23:37:19 -0700 Received: from sc-owa.marvell.com ([199.233.58.135]) by mx0a-0016f401.pphosted.com with ESMTP id 1pk22p88k6-9 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Mon, 22 Sep 2014 23:37:19 -0700 Received: from maili.marvell.com (10.93.76.43) by SC-OWA.marvell.com (10.93.76.28) with Microsoft SMTP Server id 8.3.327.1; Mon, 22 Sep 2014 23:37:18 -0700 Received: from xhacker.marvell.com (unknown [10.37.135.218]) by maili.marvell.com (Postfix) with ESMTP id 3A9B93F7045; Mon, 22 Sep 2014 23:37:17 -0700 (PDT) From: Jisheng Zhang To: , Subject: [PATCH 1/3] irqchip: dw-apb-ictl: always use use {readl|writel}_relaxed Date: Tue, 23 Sep 2014 14:34:58 +0800 Message-ID: <1411454100-6814-2-git-send-email-jszhang@marvell.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1411454100-6814-1-git-send-email-jszhang@marvell.com> References: <1411454100-6814-1-git-send-email-jszhang@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.12.52, 1.0.28, 0.0.0000 definitions=2014-09-23_03:2014-09-23, 2014-09-23, 1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=7.0.1-1402240000 definitions=main-1409230074 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140922_233750_237821_006C3DE5 X-CRM114-Status: GOOD ( 12.61 ) X-Spam-Score: -0.7 (/) Cc: Jisheng Zhang , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP relaxed version and non-relaxed version are mixed, this patch always use the relaxed version to unify the memory access usage. Signed-off-by: Jisheng Zhang Acked-by: Sebastian Hesselbarth --- drivers/irqchip/irq-dw-apb-ictl.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/irqchip/irq-dw-apb-ictl.c b/drivers/irqchip/irq-dw-apb-ictl.c index 31e231e..fcc3385 100644 --- a/drivers/irqchip/irq-dw-apb-ictl.c +++ b/drivers/irqchip/irq-dw-apb-ictl.c @@ -94,16 +94,16 @@ static int __init dw_apb_ictl_init(struct device_node *np, */ /* mask and enable all interrupts */ - writel(~0, iobase + APB_INT_MASK_L); - writel(~0, iobase + APB_INT_MASK_H); - writel(~0, iobase + APB_INT_ENABLE_L); - writel(~0, iobase + APB_INT_ENABLE_H); + writel_relaxed(~0, iobase + APB_INT_MASK_L); + writel_relaxed(~0, iobase + APB_INT_MASK_H); + writel_relaxed(~0, iobase + APB_INT_ENABLE_L); + writel_relaxed(~0, iobase + APB_INT_ENABLE_H); - reg = readl(iobase + APB_INT_ENABLE_H); + reg = readl_relaxed(iobase + APB_INT_ENABLE_H); if (reg) nrirqs = 32 + fls(reg); else - nrirqs = fls(readl(iobase + APB_INT_ENABLE_L)); + nrirqs = fls(readl_relaxed(iobase + APB_INT_ENABLE_L)); domain = irq_domain_add_linear(np, nrirqs, &irq_generic_chip_ops, NULL);