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serial: ar933x: Use uart_xmit_advance() 

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/20221019091151.6692-10-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2022-10-19 12:11:16 +03:00 committed by Greg Kroah-Hartman
parent 71a67573d0
commit d29d947c14
1 changed files with 1 additions and 2 deletions
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3
drivers/tty/serial/ar933x_uart.c
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@ -425,8 +425,7 @@ static void ar933x_uart_tx_chars(struct ar933x_uart_port *up)
ar933x_uart_putc(up, xmit->buf[xmit->tail]);
xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
up->port.icount.tx++;
uart_xmit_advance(&up->port, 1);
} while (--count > 0);
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)