Take advantage of the new uart_xmit_advance() helper. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx> --- drivers/tty/serial/imx.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 05b432dc7a85..a7548d0a1aee 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -563,8 +563,7 @@ static inline void imx_uart_transmit_buffer(struct imx_port *sport) /* send xmit->buf[xmit->tail] * out the port here */ imx_uart_writel(sport, xmit->buf[xmit->tail], URTX0); - xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); - sport->port.icount.tx++; + uart_xmit_advance(&sport->port, 1); } if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) @@ -590,9 +589,7 @@ static void imx_uart_dma_tx_callback(void *data) ucr1 &= ~UCR1_TXDMAEN; imx_uart_writel(sport, ucr1, UCR1); - /* update the stat */ - xmit->tail = (xmit->tail + sport->tx_bytes) & (UART_XMIT_SIZE - 1); - sport->port.icount.tx += sport->tx_bytes; + uart_xmit_advance(&sport->port, sport->tx_bytes); dev_dbg(sport->port.dev, "we finish the TX DMA.\n"); -- 2.30.2
