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serial: pl011: Use uart_xmit_advance() 

Take advantage of the new uart_xmit_advance() helper.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20221019091151.6692-9-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2022-10-19 12:11:15 +03:00 committed by Greg Kroah-Hartman
parent 051ef7c8d8
commit 71a67573d0
1 changed files with 1 additions and 2 deletions
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3
drivers/tty/serial/amba-pl011.c
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@ -677,8 +677,7 @@ static int pl011_dma_tx_refill(struct uart_amba_port *uap)
* Now we know that DMA will fire, so advance the ring buffer
* with the stuff we just dispatched.
*/
xmit->tail = (xmit->tail + count) & (UART_XMIT_SIZE - 1);
uap->port.icount.tx += count;
uart_xmit_advance(&uap->port, count);
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
uart_write_wakeup(&uap->port);