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Subject[PATCH 33/44] serial: sprd: Use uart_xmit_advance()
Date
Take advantage of the new uart_xmit_advance() helper.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
drivers/tty/serial/sprd_serial.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/tty/serial/sprd_serial.c b/drivers/tty/serial/sprd_serial.c
index 342a87967631..eae700809342 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);
--
2.30.2
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