Commit e02fbb0b authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Greg Kroah-Hartman
Browse files

serial: 8250_dma: Convert to use uart_xmit_advance() 



uart_xmit_advance() provides a common way on how to advance
the Tx queue. Use it for the sake of unification and robustness.

Reviewed-by: default avatarIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220909091102.58941-1-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 77b2d268

drivers/tty/serial/8250/8250_dma.c

+1 −3
Original line number Diff line number Diff line
@@ -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);