diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/tty/serial/bfin_uart.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/bfin_uart.c b/drivers/tty/serial/bfin_uart.c index 9acab114d804..56b95b0447d9 100644 --- a/drivers/tty/serial/bfin_uart.c +++ b/drivers/tty/serial/bfin_uart.c @@ -532,7 +532,7 @@ static irqreturn_t bfin_serial_dma_tx_int(int irq, void *dev_id) */ UART_CLEAR_IER(uart, ETBEI); uart->port.icount.tx += uart->tx_count; - if (!uart_circ_empty(xmit)) { + if (!(xmit->tail == 0 && xmit->head == 0)) { xmit->tail = (xmit->tail + uart->tx_count) & (UART_XMIT_SIZE - 1); if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) |