diff options
Diffstat (limited to 'drivers/tty/serial/imx.c')
| -rw-r--r-- | drivers/tty/serial/imx.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 363c77a140f0..523f296d5747 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1204,11 +1204,9 @@ static void imx_uart_dma_rx_callback(void *data) r_bytes = rx_ring->head - rx_ring->tail; /* If we received something, check for 0xff flood */ - if (r_bytes > 0) { - spin_lock(&sport->port.lock); - imx_uart_check_flood(sport, imx_uart_readl(sport, USR2)); - spin_unlock(&sport->port.lock); - } + spin_lock(&sport->port.lock); + imx_uart_check_flood(sport, imx_uart_readl(sport, USR2)); + spin_unlock(&sport->port.lock); if (!(sport->port.ignore_status_mask & URXD_DUMMY_READ)) { |