There is no need to terminate transfer in the __dma_rx_complete() since it's
called at the end of transfer. Special case when serial timeout occurs is
handled separately where we have to terminate transfer.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/tty/serial/8250/8250_dma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/8250/8250_dma.c b/drivers/tty/serial/8250/8250_dma.c
index fcd7ac6..e508939 100644
--- a/drivers/tty/serial/8250/8250_dma.c
+++ b/drivers/tty/serial/8250/8250_dma.c
@@ -59,7 +59,6 @@ static void __dma_rx_complete(void *param)
dma->rx_running = 0;
dmaengine_tx_status(dma->rxchan, dma->rx_cookie, &state);
- dmaengine_terminate_all(dma->rxchan);
count = dma->rx_size - state.residue;
@@ -131,6 +130,7 @@ int serial8250_rx_dma(struct uart_8250_port *p, unsigned int iir)
if (dma->rx_running) {
dmaengine_pause(dma->rxchan);
__dma_rx_complete(p);
+ dmaengine_terminate_all(dma->rxchan);
}
return -ETIMEDOUT;
default:
--
2.1.3
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