From patchwork Fri Aug 26 19:21:59 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabio Estevam X-Patchwork-Id: 1102972 Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by demeter2.kernel.org (8.14.4/8.14.4) with ESMTP id p7QJEBkQ007681 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 26 Aug 2011 19:14:32 GMT Received: from canuck.infradead.org ([2001:4978:20e::1]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Qx1qf-0007Zl-Lw; Fri, 26 Aug 2011 19:13:50 +0000 Received: from localhost ([127.0.0.1] helo=canuck.infradead.org) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1Qx1qf-0005RZ-7C; Fri, 26 Aug 2011 19:13:49 +0000 Received: from va3ehsobe006.messaging.microsoft.com ([216.32.180.16] helo=VA3EHSOBE009.bigfish.com) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Qx1qc-0005RG-MS for linux-arm-kernel@lists.infradead.org; Fri, 26 Aug 2011 19:13:47 +0000 Received: from mail42-va3-R.bigfish.com (10.7.14.253) by VA3EHSOBE009.bigfish.com (10.7.40.29) with Microsoft SMTP Server id 14.1.225.22; Fri, 26 Aug 2011 19:13:46 +0000 Received: from mail42-va3 (localhost.localdomain [127.0.0.1]) by mail42-va3-R.bigfish.com (Postfix) with ESMTP id 767104700F3; Fri, 26 Aug 2011 19:13:45 +0000 (UTC) X-SpamScore: 0 X-BigFish: VS0(zzzz1202hzz8275bhz2dh2a8h668h839h) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPVD:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-FB-SS: 0, Received: from mail42-va3 (localhost.localdomain [127.0.0.1]) by mail42-va3 (MessageSwitch) id 1314385969770990_14057; Fri, 26 Aug 2011 19:12:49 +0000 (UTC) Received: from VA3EHSMHS026.bigfish.com (unknown [10.7.14.242]) by mail42-va3.bigfish.com (Postfix) with ESMTP id A5710350241; Fri, 26 Aug 2011 19:10:57 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by VA3EHSMHS026.bigfish.com (10.7.99.36) with Microsoft SMTP Server (TLS) id 14.1.225.22; Fri, 26 Aug 2011 19:10:43 +0000 Received: from az33smr02.freescale.net (10.64.34.200) by 039-SN1MMR1-001.039d.mgd.msft.net (10.84.1.13) with Microsoft SMTP Server id 14.1.323.2; Fri, 26 Aug 2011 14:10:42 -0500 Received: from localhost.localdomain ([10.29.240.182]) by az33smr02.freescale.net (8.13.1/8.13.0) with ESMTP id p7QJAa0b010921; Fri, 26 Aug 2011 14:10:41 -0500 (CDT) From: Fabio Estevam To: Subject: [PATCH 3/5] ARM: mx53: Fix the logic for BYPASS_MAX_LPM_HS Date: Fri, 26 Aug 2011 16:21:59 -0300 Message-ID: <1314386521-29351-3-git-send-email-fabio.estevam@freescale.com> X-Mailer: git-send-email 1.6.0.4 In-Reply-To: <1314386521-29351-2-git-send-email-fabio.estevam@freescale.com> References: <1314386521-29351-1-git-send-email-fabio.estevam@freescale.com> <1314386521-29351-2-git-send-email-fabio.estevam@freescale.com> MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110826_151346_833267_642F25BC X-CRM114-Status: GOOD ( 15.58 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.3.1 on canuck.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [216.32.180.16 listed in list.dnswl.org] Cc: Fabio Estevam , kernel@pengutronix.de X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Fri, 26 Aug 2011 19:14:32 +0000 (UTC) In order to bypass the handshake with MAX the BYPASS_MAX_LPM_HS bit of CCM_CLPCR needs to be set to one. Fix the logic. Signed-off-by: Fabio Estevam --- arch/arm/mach-mx5/clock-mx51-mx53.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c index 058fb42..588e689 100644 --- a/arch/arm/mach-mx5/clock-mx51-mx53.c +++ b/arch/arm/mach-mx5/clock-mx51-mx53.c @@ -569,7 +569,7 @@ static void _clk_max_disable(struct clk *clk) if (cpu_is_mx51()) reg |= MX51_CCM_CLPCR_BYPASS_MAX_LPM_HS; else if (cpu_is_mx53()) - reg &= ~MX53_CCM_CLPCR_BYPASS_MAX_LPM_HS; + reg |= MX53_CCM_CLPCR_BYPASS_MAX_LPM_HS; __raw_writel(reg, MXC_CCM_CLPCR); }