redonkable/alistair23-linux
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serial: omap8250: Terminate rx dma only for flushes

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DMA completed normally does not require termination; only terminate
paused rx dma stemming from rx dma flush.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2016-04-09 22:14:37 -07:00 committed by Greg Kroah-Hartman
parent 33d9b8b23a
commit d1f981506b
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/8250/8250_omap.c
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@ -767,7 +767,6 @@ static void __dma_rx_do_complete(struct uart_8250_port *p)
dma->rx_running = 0;
dmaengine_tx_status(dma->rxchan, dma->rx_cookie, &state);
dmaengine_terminate_all(dma->rxchan);
count = dma->rx_size - state.residue;
@ -808,6 +807,7 @@ static void omap_8250_rx_dma_flush(struct uart_8250_port *p)
spin_unlock_irqrestore(&priv->rx_dma_lock, flags);
__dma_rx_do_complete(p);
dmaengine_terminate_all(dma->rxchan);
}
static int omap_8250_rx_dma(struct uart_8250_port *p)