From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752741Ab1K1Ohq (ORCPT ); Mon, 28 Nov 2011 09:37:46 -0500 Received: from mail-gx0-f174.google.com ([209.85.161.174]:58839 "EHLO mail-gx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751390Ab1K1Ohp (ORCPT ); Mon, 28 Nov 2011 09:37:45 -0500 Message-ID: <1322491055.13921.1.camel@phoenix> Subject: [PATCH] power_supply: wm97xx_battery: Use DEFINE_MUTEX() for work_lock From: Axel Lin To: linux-kernel@vger.kernel.org Cc: Anton Vorontsov , Marek Vasut Date: Mon, 28 Nov 2011 22:37:35 +0800 Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.1- Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org work_lock can be initialized automatically with DEFINE_MUTEX() rather than explicitly calling mutex_init(). This patch also removes an unused bat_lock mutex. Signed-off-by: Axel Lin --- drivers/power/wm97xx_battery.c | 5 +---- 1 files changed, 1 insertions(+), 4 deletions(-) diff --git a/drivers/power/wm97xx_battery.c b/drivers/power/wm97xx_battery.c index cf8681c..eaa454b 100644 --- a/drivers/power/wm97xx_battery.c +++ b/drivers/power/wm97xx_battery.c @@ -25,9 +25,8 @@ #include #include -static DEFINE_MUTEX(bat_lock); static struct work_struct bat_work; -static struct mutex work_lock; +static DEFINE_MUTEX(work_lock); static int bat_status = POWER_SUPPLY_STATUS_UNKNOWN; static enum power_supply_property *prop; @@ -181,8 +180,6 @@ static int __devinit wm97xx_bat_probe(struct platform_device *dev) if (dev->id != -1) return -EINVAL; - mutex_init(&work_lock); - if (!pdata) { dev_err(&dev->dev, "No platform_data supplied\n"); return -EINVAL; -- 1.7.5.4