From patchwork Tue Jun 21 10:20:27 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Dooks X-Patchwork-Id: 9190269 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 6B77B6075E for ; Tue, 21 Jun 2016 10:24:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5AF7C27F93 for ; Tue, 21 Jun 2016 10:24:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4FAC22815E; Tue, 21 Jun 2016 10:24:21 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E650127F93 for ; Tue, 21 Jun 2016 10:24:20 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFIpb-0004qU-Iy; Tue, 21 Jun 2016 10:22:55 +0000 Received: from 82-70-136-246.dsl.in-addr.zen.co.uk ([82.70.136.246] helo=rainbowdash.ducie.codethink.co.uk) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFInj-0002Pk-Rs for linux-arm-kernel@lists.infradead.org; Tue, 21 Jun 2016 10:21:02 +0000 Received: from ben by rainbowdash.ducie.codethink.co.uk with local (Exim 4.87) (envelope-from ) id 1bFInK-0006J0-2X; Tue, 21 Jun 2016 11:20:34 +0100 From: Ben Dooks To: matthew.leach@codethink.co.uk, k.kozlowski@samsung.com, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [[PATCH v2] 06/11] ARM: Samsung: fixup usage of __raw IO Date: Tue, 21 Jun 2016 11:20:27 +0100 Message-Id: <1466504432-24187-7-git-send-email-ben.dooks@codethink.co.uk> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1466504432-24187-1-git-send-email-ben.dooks@codethink.co.uk> References: <1466504432-24187-1-git-send-email-ben.dooks@codethink.co.uk> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160621_032100_237516_F3EFC0B3 X-CRM114-Status: UNSURE ( 9.17 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@lists.codethink.co.uk, Ben Dooks MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Fix the use of __raw accesors in pm-common.c to use the _relaxed variants to deal with any issues due to endian related fetches. Signed-off-by: Ben Dooks --- --- arch/arm/plat-samsung/pm-common.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/plat-samsung/pm-common.c b/arch/arm/plat-samsung/pm-common.c index 515cd53..6534c3f 100644 --- a/arch/arm/plat-samsung/pm-common.c +++ b/arch/arm/plat-samsung/pm-common.c @@ -31,7 +31,7 @@ void s3c_pm_do_save(struct sleep_save *ptr, int count) { for (; count > 0; count--, ptr++) { - ptr->val = __raw_readl(ptr->reg); + ptr->val = readl_relaxed(ptr->reg); S3C_PMDBG("saved %p value %08lx\n", ptr->reg, ptr->val); } } @@ -51,9 +51,9 @@ void s3c_pm_do_restore(const struct sleep_save *ptr, int count) { for (; count > 0; count--, ptr++) { pr_debug("restore %p (restore %08lx, was %08x)\n", - ptr->reg, ptr->val, __raw_readl(ptr->reg)); + ptr->reg, ptr->val, readl_relaxed(ptr->reg)); - __raw_writel(ptr->val, ptr->reg); + writel_relaxed(ptr->val, ptr->reg); } } @@ -71,5 +71,5 @@ void s3c_pm_do_restore(const struct sleep_save *ptr, int count) void s3c_pm_do_restore_core(const struct sleep_save *ptr, int count) { for (; count > 0; count--, ptr++) - __raw_writel(ptr->val, ptr->reg); + writel_relaxed(ptr->val, ptr->reg); }