summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/tty/serial/bfin_uart.c2
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)