From patchwork Fri Feb 9 18:05:34 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sebastian Andrzej Siewior X-Patchwork-Id: 871516 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-rtc-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zdNK63Yglz9sDB for ; Sat, 10 Feb 2018 05:05:46 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752197AbeBISFo convert rfc822-to-8bit (ORCPT ); Fri, 9 Feb 2018 13:05:44 -0500 Received: from Galois.linutronix.de ([146.0.238.70]:34917 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752684AbeBISFn (ORCPT ); Fri, 9 Feb 2018 13:05:43 -0500 Received: from localhost ([127.0.0.1] helo=bazinga.breakpoint.cc) by Galois.linutronix.de with esmtp (Exim 4.80) (envelope-from ) id 1ekD0M-0003s5-0h; Fri, 09 Feb 2018 19:02:34 +0100 From: Sebastian Andrzej Siewior To: linux-rtc@vger.kernel.org Cc: Alessandro Zummo , Alexandre Belloni , Sebastian Andrzej Siewior Subject: [PATCH] rtc: m41t80: move m41t80_rtc_mutex to the block where it is used Date: Fri, 9 Feb 2018 19:05:34 +0100 Message-Id: <20180209180534.28925-1-bigeasy@linutronix.de> X-Mailer: git-send-email 2.15.1 MIME-Version: 1.0 Sender: linux-rtc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rtc@vger.kernel.org Without CONFIG_RTC_DRV_M41T80_WDT the compiler complains: |drivers/rtc/rtc-m41t80.c:76 ‘m41t80_rtc_mutex’ defined but not used [-Wunused-variable] Move the variable to the block where it is used. Signed-off-by: Sebastian Andrzej Siewior --- drivers/rtc/rtc-m41t80.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c index c90fba3ed861..bd268f0d6073 100644 --- a/drivers/rtc/rtc-m41t80.c +++ b/drivers/rtc/rtc-m41t80.c @@ -73,7 +73,6 @@ #define M41T80_FEATURE_WD BIT(3) /* Extra watchdog resolution */ #define M41T80_FEATURE_SQ_ALT BIT(4) /* RSx bits are in reg 4 */ -static DEFINE_MUTEX(m41t80_rtc_mutex); static const struct i2c_device_id m41t80_id[] = { { "m41t62", M41T80_FEATURE_SQ | M41T80_FEATURE_SQ_ALT }, { "m41t65", M41T80_FEATURE_HT | M41T80_FEATURE_WD }, @@ -598,6 +597,7 @@ static struct clk *m41t80_sqw_register_clk(struct m41t80_data *m41t80) * ***************************************************************************** */ +static DEFINE_MUTEX(m41t80_rtc_mutex); static struct i2c_client *save_client; /* Default margin */