diff options
| -rw-r--r-- | drivers/serial/atmel_serial.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c index fad245b064d..d57bf3e708d 100644 --- a/drivers/serial/atmel_serial.c +++ b/drivers/serial/atmel_serial.c @@ -549,7 +549,7 @@ static irqreturn_t atmel_interrupt(int irq, void *dev_id) atmel_handle_transmit(port, pending); } while (pass_counter++ < ATMEL_ISR_PASS_LIMIT); - return IRQ_HANDLED; + return pass_counter ? IRQ_HANDLED : IRQ_NONE; } /* |