| Message ID | 20220823141839.165244-2-ilpo.jarvinen@linux.intel.com |
|---|---|
| State | New |
| Headers | show |
| Series | None | expand |
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 6d2f5a08ff1f..2ddcd7eec71e 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1407,7 +1407,7 @@ static void sci_dma_tx_work_fn(struct work_struct *work) spin_lock_irq(&port->lock); head = xmit->head; tail = xmit->tail; - buf = s->tx_dma_addr + (tail & (UART_XMIT_SIZE - 1)); + buf = s->tx_dma_addr + tail; s->tx_dma_len = CIRC_CNT_TO_END(head, tail, UART_XMIT_SIZE); if (!s->tx_dma_len) { /* Transmit buffer has been flushed */
There is no need to and tail with UART_XMIT_SIZE - 1 because tail is already on valid range. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> --- drivers/tty/serial/sh-sci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)