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    Subject[PATCH 17/44] serial: imx: Use uart_xmit_advance()
    Date
    Take advantage of the new uart_xmit_advance() helper.

    Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
    ---
    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
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