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serial: men_z135_uart: 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/20221019091151.6692-3-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2022-10-19 12:11:09 +03:00 committed by Greg Kroah-Hartman
parent f4000a06f4
commit 20b01af852
1 changed files with 1 additions and 4 deletions
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5
drivers/tty/serial/men_z135_uart.c
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@ -352,11 +352,8 @@ static void men_z135_handle_tx(struct men_z135_port *uart)
n = min(n, s);
memcpy_toio(port->membase + MEN_Z135_TX_RAM, &xmit->buf[xmit->tail], n);
xmit->tail = (xmit->tail + n) & (UART_XMIT_SIZE - 1);
iowrite32(n & 0x3ff, port->membase + MEN_Z135_TX_CTRL);
port->icount.tx += n;
uart_xmit_advance(port, n);
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
uart_write_wakeup(port);