From cacf7f689b9b783d1efaf4b545d8038ee6edc73e Mon Sep 17 00:00:00 2001 From: Ilpo Järvinen Date: Wed, 19 Oct 2022 12:11:23 +0300 Subject: serial: fsl_lpuart: Use uart_xmit_advance() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Take advantage of the new uart_xmit_advance() helper. Signed-off-by: Ilpo Järvinen Link: https://lore.kernel.org/r/20221019091151.6692-17-ilpo.jarvinen@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/fsl_lpuart.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers/tty/serial/fsl_lpuart.c') diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index d811eda1844e..849ef313b824 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -535,9 +535,7 @@ static void lpuart_dma_tx_complete(void *arg) dma_unmap_sg(chan->device->dev, sgl, sport->dma_tx_nents, DMA_TO_DEVICE); - xmit->tail = (xmit->tail + sport->dma_tx_bytes) & (UART_XMIT_SIZE - 1); - - sport->port.icount.tx += sport->dma_tx_bytes; + uart_xmit_advance(&sport->port, sport->dma_tx_bytes); sport->dma_tx_in_progress = false; spin_unlock_irqrestore(&sport->port.lock, flags); @@ -772,8 +770,7 @@ static inline void lpuart32_transmit_buffer(struct lpuart_port *sport) txcnt &= UARTWATER_COUNT_MASK; while (!uart_circ_empty(xmit) && (txcnt < sport->txfifo_size)) { lpuart32_write(&sport->port, xmit->buf[xmit->tail], UARTDATA); - xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); - sport->port.icount.tx++; + uart_xmit_advance(&sport->port, 1); txcnt = lpuart32_read(&sport->port, UARTWATER); txcnt = txcnt >> UARTWATER_TXCNT_OFF; txcnt &= UARTWATER_COUNT_MASK; -- cgit v1.2.3