From 76384f319a9adff8cb9a87d64c62f61a5d3b7c09 Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior Date: Fri, 9 Feb 2018 19:05:34 +0100 Subject: [PATCH] rtc: m41t80: move m41t80_rtc_mutex to the block where it is used MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Alexandre Belloni --- 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 1103cdc33bfa..b3e33320c0bf 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 */