diff options
| author | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2022-10-19 12:11:40 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-11-03 03:35:42 +0100 |
| commit | b92df54ccf7355256e4eebe2f36dc2b83808e9ce (patch) | |
| tree | 7b1a4e2b4ff02ebae6d48b72af1344c064cb0b56 /drivers/tty/serial/sprd_serial.c | |
| parent | e234ef0ef1dec33384968c695f0c2c751b0621ed (diff) | |
serial: sprd: Use uart_xmit_advance()
Take advantage of the new uart_xmit_advance() helper.
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20221019091151.6692-34-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/sprd_serial.c')
| -rw-r--r-- | drivers/tty/serial/sprd_serial.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/tty/serial/sprd_serial.c b/drivers/tty/serial/sprd_serial.c index 3f34f7bb7700..492a3bdab5ba 100644 --- a/drivers/tty/serial/sprd_serial.c +++ b/drivers/tty/serial/sprd_serial.c @@ -206,7 +206,6 @@ static void sprd_stop_tx_dma(struct uart_port *port) { struct sprd_uart_port *sp = container_of(port, struct sprd_uart_port, port); - struct circ_buf *xmit = &port->state->xmit; struct dma_tx_state state; u32 trans_len; @@ -215,8 +214,7 @@ static void sprd_stop_tx_dma(struct uart_port *port) dmaengine_tx_status(sp->tx_dma.chn, sp->tx_dma.cookie, &state); if (state.residue) { trans_len = state.residue - sp->tx_dma.phys_addr; - xmit->tail = (xmit->tail + trans_len) & (UART_XMIT_SIZE - 1); - port->icount.tx += trans_len; + uart_xmit_advance(port, trans_len); dma_unmap_single(port->dev, sp->tx_dma.phys_addr, sp->tx_dma.trans_len, DMA_TO_DEVICE); } @@ -253,8 +251,7 @@ static void sprd_complete_tx_dma(void *data) dma_unmap_single(port->dev, sp->tx_dma.phys_addr, sp->tx_dma.trans_len, DMA_TO_DEVICE); - xmit->tail = (xmit->tail + sp->tx_dma.trans_len) & (UART_XMIT_SIZE - 1); - port->icount.tx += sp->tx_dma.trans_len; + uart_xmit_advance(port, sp->tx_dma.trans_len); if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) uart_write_wakeup(port); |