From patchwork Fri Oct 1 11:56:08 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Viresh KUMAR X-Patchwork-Id: 66436 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [18.85.46.34]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 44146B70E2 for ; Sat, 2 Oct 2010 02:59:26 +1000 (EST) Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.72 #1 (Red Hat Linux)) id 1P1ivr-0003aK-1z; Fri, 01 Oct 2010 16:58:03 +0000 Received: from casper.infradead.org ([2001:770:15f::2]) by bombadil.infradead.org with esmtps (Exim 4.72 #1 (Red Hat Linux)) id 1P1ivf-0003Rq-Vz; Fri, 01 Oct 2010 16:57:52 +0000 Received: from eu1sys200aog105.obsmtp.com ([207.126.144.119]) by casper.infradead.org with smtps (Exim 4.72 #1 (Red Hat Linux)) id 1P1eHP-0008H0-Fj; Fri, 01 Oct 2010 12:00:00 +0000 Received: from source ([164.129.1.35]) (using TLSv1) by eu1sys200aob105.postini.com ([207.126.147.11]) with SMTP ID DSNKTKXM0mnsqxal4X4f4kNbODWDOkZ4+qYy@postini.com; Fri, 01 Oct 2010 11:59:59 UTC Received: from zeta.dmz-eu.st.com (ns2.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 798B6D1; Fri, 1 Oct 2010 11:57:51 +0000 (GMT) Received: from mail2.dlh.st.com (mail2.dlh.st.com [10.199.8.22]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id F3AFA265E; Fri, 1 Oct 2010 11:57:47 +0000 (GMT) Received: from localhost (dlhl0509.dlh.st.com [10.199.7.86]) by mail2.dlh.st.com (MOS 3.8.7a) with ESMTP id CUF00994 (AUTH viresh.kumar@st.com); Fri, 1 Oct 2010 17:27:46 +0530 (IST) From: Viresh KUMAR To: linux-arm-kernel@lists.infradead.org, rtc-linux@googlegroups.com, a.zummo@towertech.it, dbrownell@users.sourceforge.net, linux-usb@vger.kernel.org, linux-input@vger.kernel.org, dmitry.torokhov@gmail.com, linux-mtd@lists.infradead.org, dwmw2@infradead.org, linux-kernel@vger.kernel.org, akpm@linux-foundation.org Subject: [PATCH V2 48/69] ST SPEAr: replace readl, writel with __raw_readl, __raw_writel in uncompress.h Date: Fri, 1 Oct 2010 17:26:08 +0530 Message-Id: <10581ee8e7ad68eabb4421cee448b5f7df983adb.1285933332.git.viresh.kumar@st.com> X-Mailer: git-send-email 1.7.2.2 In-Reply-To: References: In-Reply-To: References: X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20101001_125959_763875_BB7EF915 X-CRM114-Status: UNSURE ( 8.73 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -4.2 (----) X-Spam-Report: SpamAssassin version 3.3.1 on casper.infradead.org summary: Content analysis details: (-4.2 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [207.126.144.119 listed in list.dnswl.org] -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: pratyush.anand@st.com, Viresh Kumar , vipulkumar.samar@st.com, bhupesh.sharma@st.com, armando.visconti@st.com, vipin.kumar@st.com, shiraz.hashim@st.com, rajeev-dlh.kumar@st.com, deepak.sikri@st.com X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-mtd-bounces@lists.infradead.org Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org readl also calls outer cache maintainance operations which are not available during Linux uncompression. This patch replaces readl, writel with __raw_readl and __raw_writel. Signed-off-by: Viresh Kumar --- arch/arm/plat-spear/include/plat/uncompress.h | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/plat-spear/include/plat/uncompress.h b/arch/arm/plat-spear/include/plat/uncompress.h index 99ba678..963aa5b 100644 --- a/arch/arm/plat-spear/include/plat/uncompress.h +++ b/arch/arm/plat-spear/include/plat/uncompress.h @@ -24,10 +24,10 @@ static inline void putc(int c) { void __iomem *base = (void __iomem *)SPEAR_DBG_UART_BASE; - while (readl(base + UART01x_FR) & UART01x_FR_TXFF) + while (__raw_readl(base + UART01x_FR) & UART01x_FR_TXFF) barrier(); - writel(c, base + UART01x_DR); + __raw_writel(c, base + UART01x_DR); } static inline void flush(void)