From patchwork Tue Nov 16 10:18:17 2010
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
X-Patchwork-Submitter: Paul Walmsley <paul@pwsan.com>
X-Patchwork-Id: 327452
X-Patchwork-Delegate: paul@pwsan.com
Received: from vger.kernel.org (vger.kernel.org [209.132.180.67])
	by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id oAGAJNJD013564
	for <patchwork-omap@patchwork.kernel.org>;
	Tue, 16 Nov 2010 10:19:24 GMT
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S934134Ab0KPKTR (ORCPT
	<rfc822;patchwork-omap@patchwork.kernel.org>);
	Tue, 16 Nov 2010 05:19:17 -0500
Received: from utopia.booyaka.com ([72.9.107.138]:51545 "EHLO
	utopia.booyaka.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S934201Ab0KPKTP (ORCPT
	<rfc822; linux-omap@vger.kernel.org>); Tue, 16 Nov 2010 05:19:15 -0500
Received: (qmail 22153 invoked by uid 1019); 16 Nov 2010 10:19:11 -0000
MBOX-Line: From nobody Tue Nov 16 03:18:17 2010
Subject: [PATCH 8/8] OMAP2+: hwmod: Update the sysc_cache in case module
	context is lost
To: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org
From: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>,
	Rajendra Nayak <rnayak@ti.com>,
	Santosh Shilimkar <santosh.shilimkar@ti.com>,
	Benoit Cousson <b-cousson@ti.com>
Date: Tue, 16 Nov 2010 03:18:17 -0700
Message-ID: <20101116101812.22777.51753.stgit@twilight.localdomain>
In-Reply-To: <20101116101615.22777.49212.stgit@twilight.localdomain>
References: <20101116101615.22777.49212.stgit@twilight.localdomain>
User-Agent: StGit/0.15
MIME-Version: 1.0
Sender: linux-omap-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-omap.vger.kernel.org>
X-Mailing-List: linux-omap@vger.kernel.org
X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by
	milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]);
	Tue, 16 Nov 2010 10:19:24 +0000 (UTC)


diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 589c282..8a9847e 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -211,10 +211,9 @@ static void _write_sysconfig(u32 v, struct omap_hwmod *oh)
 
 	/* XXX ensure module interface clock is up */
 
-	if (oh->_sysc_cache != v) {
-		oh->_sysc_cache = v;
-		omap_hwmod_write(v, oh, oh->class->sysc->sysc_offs);
-	}
+	/* Module might have lost context, always update cache and register */
+	oh->_sysc_cache = v;
+	omap_hwmod_write(v, oh, oh->class->sysc->sysc_offs);
 }
 
 /**