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authorIlpo Järvinen <ilpo.jarvinen@linux.intel.com>2022-10-19 12:11:24 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-11-03 03:35:41 +0100
commit26e8f1d9a88144b35b35ce3b9df2d437d8cb2ed8 (patch)
tree127bedd24036c489218b57ac56ad5829857e8c6f /drivers/tty/serial/imx.c
parentcacf7f689b9b783d1efaf4b545d8038ee6edc73e (diff)
serial: imx: Use uart_xmit_advance()
Take advantage of the new uart_xmit_advance() helper. Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20221019091151.6692-18-ilpo.jarvinen@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/imx.c')
-rw-r--r--drivers/tty/serial/imx.c7
1 files 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");