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serial: sc16is7xx: Use uart_xmit_advance() 

Take advantage of the new uart_xmit_advance() helper.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20221019091151.6692-6-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2022-10-19 12:11:12 +03:00 committed by Greg Kroah-Hartman
parent a5c9611ddc
commit a2a74303b3
1 changed files with 1 additions and 4 deletions
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5
drivers/tty/serial/sc16is7xx.c
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@ -686,13 +686,10 @@ static void sc16is7xx_handle_tx(struct uart_port *port)
}
to_send = (to_send > txlen) ? txlen : to_send;
/* Add data to send */
port->icount.tx += to_send;
/* Convert to linear buffer */
for (i = 0; i < to_send; ++i) {
s->buf[i] = xmit->buf[xmit->tail];
xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
uart_xmit_advance(port, 1);
}
sc16is7xx_fifo_write(port, to_send);