Commit 06c6e321 authored by Alexandre Belloni's avatar Alexandre Belloni
Browse files

rtc: m41t80: use rtc_lock/rtc_unlock 



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

Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210119220653.677750-8-alexandre.belloni@bootlin.com
parent 92e2c3e6

drivers/rtc/rtc-m41t80.c

+4 −5
Original line number Diff line number Diff line
@@ -158,21 +158,20 @@ static irqreturn_t m41t80_handle_irq(int irq, void *dev_id) 
{

	struct i2c_client *client = dev_id;

	struct m41t80_data *m41t80 = i2c_get_clientdata(client);

	struct mutex *lock = &m41t80->rtc->ops_lock;

	unsigned long events = 0;

	int flags, flags_afe;



	mutex_lock(lock);

	rtc_lock(m41t80->rtc);



	flags_afe = i2c_smbus_read_byte_data(client, M41T80_REG_ALARM_MON);

	if (flags_afe < 0) {

		mutex_unlock(lock);

		rtc_unlock(m41t80->rtc);

		return IRQ_NONE;

	}



	flags = i2c_smbus_read_byte_data(client, M41T80_REG_FLAGS);

	if (flags <= 0) {

		mutex_unlock(lock);

		rtc_unlock(m41t80->rtc);

		return IRQ_NONE;

	}
@@ -189,7 +188,7 @@ static irqreturn_t m41t80_handle_irq(int irq, void *dev_id) 
					  flags_afe);

	}



	mutex_unlock(lock);

	rtc_unlock(m41t80->rtc);



	return IRQ_HANDLED;

}