From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752375Ab2AYVH2 (ORCPT ); Wed, 25 Jan 2012 16:07:28 -0500 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:33230 "EHLO opensource.wolfsonmicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751497Ab2AYVHZ (ORCPT ); Wed, 25 Jan 2012 16:07:25 -0500 From: Mark Brown To: linux-kernel@vger.kernel.org Cc: patches@opensource.wolfsonmicro.com, Mark Brown Subject: [PATCH 2/2] regmap: Skip patch application when the cache is not dirty on sync Date: Wed, 25 Jan 2012 21:07:20 +0000 Message-Id: <1327525640-32260-2-git-send-email-broonie@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.9.rc1 In-Reply-To: <1327525640-32260-1-git-send-email-broonie@opensource.wolfsonmicro.com> References: <1327525640-32260-1-git-send-email-broonie@opensource.wolfsonmicro.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On the basis that if we don't actually need to resync the cache then the patches are probably also already applied. Signed-off-by: Mark Brown --- drivers/base/regmap/regcache.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index bfe48e4..d103401 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -267,6 +267,9 @@ int regcache_sync(struct regmap *map) name = map->cache_ops->name; trace_regcache_sync(map->dev, name, "start"); + if (!map->cache_dirty) + goto out; + /* Apply any patch first */ map->cache_bypass = 1; for (i = 0; i < map->patch_regs; i++) { @@ -279,8 +282,6 @@ int regcache_sync(struct regmap *map) } map->cache_bypass = 0; - if (!map->cache_dirty) - goto out; if (map->cache_ops->sync) { ret = map->cache_ops->sync(map); } else { -- 1.7.9.rc1