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Commit d1f98150 authored by Peter Hurley's avatar Peter Hurley Committed by Greg Kroah-Hartman
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serial: omap8250: Terminate rx dma only for flushes 



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

Signed-off-by: default avatarPeter Hurley <peter@hurleysoftware.com>
Reviewed-by: default avatarHeikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 33d9b8b2

drivers/tty/serial/8250/8250_omap.c

+1 −1
Original line number Diff line number Diff line
@@ -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)