linux-kernel - [PATCH 04/14] rtc: ds1307: use rtc_lock/rtc

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Message-Id: <20210119220653.677750-4-alexandre.belloni@bootlin.com>
Date:   Tue, 19 Jan 2021 23:06:42 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 04/14] rtc: ds1307: use rtc_lock/rtc_unlock

Avoid accessing directly rtc->ops_lock and use the RTC core helpers.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 drivers/rtc/rtc-ds1307.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index 183cf7c01364..cd8e438bc9c4 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -558,11 +558,10 @@ static u8 do_trickle_setup_rx8130(struct ds1307 *ds1307, u32 ohms, bool diode)
 static irqreturn_t rx8130_irq(int irq, void *dev_id)
 {
 	struct ds1307           *ds1307 = dev_id;
-	struct mutex            *lock = &ds1307->rtc->ops_lock;
 	u8 ctl[3];
 	int ret;
 
-	mutex_lock(lock);
+	rtc_lock(ds1307->rtc);
 
 	/* Read control registers. */
 	ret = regmap_bulk_read(ds1307->regmap, RX8130_REG_EXTENSION, ctl,
@@ -582,7 +581,7 @@ static irqreturn_t rx8130_irq(int irq, void *dev_id)
 	rtc_update_irq(ds1307->rtc, 1, RTC_AF | RTC_IRQF);
 
 out:
-	mutex_unlock(lock);
+	rtc_unlock(ds1307->rtc);
 
 	return IRQ_HANDLED;
 }
-- 
2.29.2