Testing also CIRC_CNT() with CIRC_CNT_TO_END() is unnecessary because
to latter alone covers all necessary cases.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
---
drivers/tty/serial/sh-sci.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 0075a1420005..6d2f5a08ff1f 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1408,9 +1408,7 @@ static void sci_dma_tx_work_fn(struct work_struct *work)
head = xmit->head;
tail = xmit->tail;
buf = s->tx_dma_addr + (tail & (UART_XMIT_SIZE - 1));
- s->tx_dma_len = min_t(unsigned int,
- CIRC_CNT(head, tail, UART_XMIT_SIZE),
- CIRC_CNT_TO_END(head, tail, UART_XMIT_SIZE));
+ s->tx_dma_len = CIRC_CNT_TO_END(head, tail, UART_XMIT_SIZE);
if (!s->tx_dma_len) {
/* Transmit buffer has been flushed */
spin_unlock_irq(&port->lock);
--
2.30.2
