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Subject[PATCH v1 1/1] serial: 8250_dma: Convert to use uart_xmit_advance()
Date
uart_xmit_advance() provides a common way on how to advance
the Tx queue. Use it for the sake of unification and robustness.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/tty/serial/8250/8250_dma.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_dma.c b/drivers/tty/serial/8250/8250_dma.c
index d99020fd3427..b85c82616e8c 100644
--- a/drivers/tty/serial/8250/8250_dma.c
+++ b/drivers/tty/serial/8250/8250_dma.c
@@ -26,9 +26,7 @@ static void __dma_tx_complete(void *param)

dma->tx_running = 0;

- xmit->tail += dma->tx_size;
- xmit->tail &= UART_XMIT_SIZE - 1;
- p->port.icount.tx += dma->tx_size;
+ uart_xmit_advance(&p->port, dma->tx_size);

if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
uart_write_wakeup(&p->port);
--
2.35.1
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