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serial: atmel: Use uart_xmit_advance()

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Take advantage of the new uart_xmit_advance() helper.

Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-By: Richard GENOUD <richard.genoud@gmail.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20221019091151.6692-12-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2022-10-19 12:11:18 +03:00 committed by Greg Kroah-Hartman
parent 8a8dee2cdb
commit add147a459
1 changed files with 2 additions and 9 deletions
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11
drivers/tty/serial/atmel_serial.c
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@ -859,10 +859,7 @@ static void atmel_complete_tx_dma(void *arg)
if (chan)
dmaengine_terminate_all(chan);
xmit->tail += atmel_port->tx_len;
xmit->tail &= UART_XMIT_SIZE - 1;
port->icount.tx += atmel_port->tx_len;
uart_xmit_advance(port, atmel_port->tx_len);
spin_lock_irq(&atmel_port->lock_tx);
async_tx_ack(atmel_port->desc_tx);
@ -1455,11 +1452,7 @@ static void atmel_tx_pdc(struct uart_port *port)
/* nothing left to transmit? */
if (atmel_uart_readl(port, ATMEL_PDC_TCR))
return;
xmit->tail += pdc->ofs;
xmit->tail &= UART_XMIT_SIZE - 1;
port->icount.tx += pdc->ofs;
uart_xmit_advance(port, pdc->ofs);
pdc->ofs = 0;
/* more to transmit - setup next transfer */