diff options
Diffstat (limited to 'sound/drivers/mpu401')
| -rw-r--r-- | sound/drivers/mpu401/mpu401_uart.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sound/drivers/mpu401/mpu401_uart.c b/sound/drivers/mpu401/mpu401_uart.c index ee67b522d25..8687ae3c66b 100644 --- a/sound/drivers/mpu401/mpu401_uart.c +++ b/sound/drivers/mpu401/mpu401_uart.c @@ -133,12 +133,13 @@ irqreturn_t snd_mpu401_uart_interrupt(int irq, void *dev_id, struct pt_regs *reg static void snd_mpu401_uart_timer(unsigned long data) { struct snd_mpu401 *mpu = (struct snd_mpu401 *)data; + unsigned long flags; - spin_lock(&mpu->timer_lock); + spin_lock_irqsave(&mpu->timer_lock, flags); /*mpu->mode |= MPU401_MODE_TIMER;*/ mpu->timer.expires = 1 + jiffies; add_timer(&mpu->timer); - spin_unlock(&mpu->timer_lock); + spin_unlock_irqrestore(&mpu->timer_lock, flags); if (mpu->rmidi) _snd_mpu401_uart_interrupt(mpu); } |