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path: root/drivers/tty/serial/dz.c
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Diffstat (limited to 'drivers/tty/serial/dz.c')
-rw-r--r--drivers/tty/serial/dz.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/tty/serial/dz.c b/drivers/tty/serial/dz.c
index 829b452daee9..6b7ed7f2f3ca 100644
--- a/drivers/tty/serial/dz.c
+++ b/drivers/tty/serial/dz.c
@@ -279,9 +279,8 @@ static inline void dz_transmit_chars(struct dz_mux *mux)
* so we go one char at a time) :-<
*/
tmp = xmit->buf[xmit->tail];
- xmit->tail = (xmit->tail + 1) & (DZ_XMIT_SIZE - 1);
dz_out(dport, DZ_TDR, tmp);
- dport->port.icount.tx++;
+ uart_xmit_advance(&dport->port, 1);
if (uart_circ_chars_pending(xmit) < DZ_WAKEUP_CHARS)
uart_write_wakeup(&dport->port);