diff options
Diffstat (limited to 'drivers/rtc/rtc-rx8025.c')
| -rw-r--r-- | drivers/rtc/rtc-rx8025.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-rx8025.c b/drivers/rtc/rtc-rx8025.c index 18240f526ade..259995281e0d 100644 --- a/drivers/rtc/rtc-rx8025.c +++ b/drivers/rtc/rtc-rx8025.c @@ -146,8 +146,10 @@ static irqreturn_t rx8025_handle_irq(int irq, void *dev_id) { struct i2c_client *client = dev_id; struct rx8025_data *rx8025 = i2c_get_clientdata(client); + struct mutex *lock = &rx8025->rtc->ops_lock; int status; + mutex_lock(lock); status = rx8025_read_reg(client, RX8025_REG_CTRL2); if (status < 0) goto out; @@ -172,6 +174,8 @@ static irqreturn_t rx8025_handle_irq(int irq, void *dev_id) } out: + mutex_unlock(lock); + return IRQ_HANDLED; } |