From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756506Ab1I2Ngp (ORCPT ); Thu, 29 Sep 2011 09:36:45 -0400 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:56540 "EHLO opensource.wolfsonmicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756452Ab1I2Ngh (ORCPT ); Thu, 29 Sep 2011 09:36:37 -0400 From: Dimitris Papastamos To: Mark Brown Cc: linux-kernel@vger.kernel.org, Lars-Peter Clausen Subject: [PATCH 4/4] regmap: Ensure we scream if we enable cache bypass/only at the same time Date: Thu, 29 Sep 2011 14:36:28 +0100 Message-Id: <1317303388-4040-4-git-send-email-dp@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.6.4 In-Reply-To: <1317303388-4040-1-git-send-email-dp@opensource.wolfsonmicro.com> References: <1317303388-4040-1-git-send-email-dp@opensource.wolfsonmicro.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Dimitris Papastamos --- drivers/base/regmap/regcache.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index eaa2e20..1d07828 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -281,6 +281,7 @@ EXPORT_SYMBOL_GPL(regcache_sync); void regcache_cache_only(struct regmap *map, bool enable) { mutex_lock(&map->lock); + WARN_ON(map->cache_bypass && enable); map->cache_only = enable; mutex_unlock(&map->lock); } @@ -300,6 +301,7 @@ EXPORT_SYMBOL_GPL(regcache_cache_only); void regcache_cache_bypass(struct regmap *map, bool enable) { mutex_lock(&map->lock); + WARN_ON(map->cache_only && enable); map->cache_bypass = enable; mutex_unlock(&map->lock); } -- 1.7.6.4