rtc: mcp795: use rtc_lock/rtc_unlock

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

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210119220653.677750-9-alexandre.belloni@bootlin.com

diff --git a/drivers/rtc/rtc-mcp795.c b/drivers/rtc/rtc-mcp795.c
index 21cbf7f892e8d4d4e3aa497a2a12cc3cd824d8a7..bad7792b6ca585f23c0317a0c2287f7479aa302d 100644 (file)
--- a/drivers/rtc/rtc-mcp795.c
+++ b/drivers/rtc/rtc-mcp795.c
@@ -350,10 +350,9 @@ static irqreturn_t mcp795_irq(int irq, void *data)
 {
        struct spi_device *spi = data;
        struct rtc_device *rtc = spi_get_drvdata(spi);
-       struct mutex *lock = &rtc->ops_lock;
        int ret;
 
-       mutex_lock(lock);
+       rtc_lock(rtc);
 
        /* Disable alarm.
         * There is no need to clear ALM0IF (Alarm 0 Interrupt Flag) bit,
@@ -365,7 +364,7 @@ static irqreturn_t mcp795_irq(int irq, void *data)
                        "Failed to disable alarm in IRQ (ret=%d)\n", ret);
        rtc_update_irq(rtc, 1, RTC_AF | RTC_IRQF);
 
-       mutex_unlock(lock);
+       rtc_unlock(rtc);
 
        return IRQ_HANDLED;
 }