Commit 5aaae464 authored by Ilpo Järvinen's avatar Ilpo Järvinen Committed by Greg Kroah-Hartman
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serial: sunsab: Use uart_xmit_advance() 



Take advantage of the new uart_xmit_advance() helper.

Signed-off-by: default avatarIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20221019091151.6692-38-ilpo.jarvinen@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 54ffabbe

drivers/tty/serial/sunsab.c

+2 −4
Original line number Diff line number Diff line
@@ -266,8 +266,7 @@ static void transmit_chars(struct uart_sunsab_port *up, 
	for (i = 0; i < up->port.fifosize; i++) {

		writeb(xmit->buf[xmit->tail],

		       &up->regs->w.xfifo[i]);

		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);

		up->port.icount.tx++;

		uart_xmit_advance(&up->port, 1);

		if (uart_circ_empty(xmit))

			break;

	}
@@ -453,8 +452,7 @@ static void sunsab_start_tx(struct uart_port *port) 
	for (i = 0; i < up->port.fifosize; i++) {

		writeb(xmit->buf[xmit->tail],

		       &up->regs->w.xfifo[i]);

		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);

		up->port.icount.tx++;

		uart_xmit_advance(&up->port, 1);

		if (uart_circ_empty(xmit))

			break;

	}