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path: root/drivers/tty/serial
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Diffstat (limited to 'drivers/tty/serial')
-rw-r--r--drivers/tty/serial/zs.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/tty/serial/zs.c b/drivers/tty/serial/zs.c
index 688db7d8b748..730c648e32ff 100644
--- a/drivers/tty/serial/zs.c
+++ b/drivers/tty/serial/zs.c
@@ -623,8 +623,7 @@ static void zs_raw_transmit_chars(struct zs_port *zport)
/* Send char. */
write_zsdata(zport, xmit->buf[xmit->tail]);
- xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
- zport->port.icount.tx++;
+ uart_xmit_advance(&zport->port, 1);
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
uart_write_wakeup(&zport->port);