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serial: pmac_zilog: Use uart_xmit_advance()

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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/20221019091151.6692-27-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2022-10-19 12:11:33 +03:00 committed by Greg Kroah-Hartman
parent 98fdebeebb
commit b31b07a7d2
1 changed files with 2 additions and 4 deletions
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6
drivers/tty/serial/pmac_zilog.c
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@ -410,8 +410,7 @@ static void pmz_transmit_chars(struct uart_pmac_port *uap)
write_zsdata(uap, xmit->buf[xmit->tail]); write_zsdata(uap, xmit->buf[xmit->tail]);
zssync(uap); zssync(uap);
xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); uart_xmit_advance(&uap->port, 1);
uap->port.icount.tx++;
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
uart_write_wakeup(&uap->port); uart_write_wakeup(&uap->port);
@ -627,8 +626,7 @@ static void pmz_start_tx(struct uart_port *port)
return; return;
write_zsdata(uap, xmit->buf[xmit->tail]); write_zsdata(uap, xmit->buf[xmit->tail]);
zssync(uap); zssync(uap);
xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); uart_xmit_advance(port, 1);
port->icount.tx++;
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
uart_write_wakeup(&uap->port); uart_write_wakeup(&uap->port);