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authorPeter Hurley <peter@hurleysoftware.com>2016-04-09 22:14:37 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-04-30 09:26:55 -0700
commitd1f981506b38933e9ba4cfe01ae98bcd5d3792f9 (patch)
tree154259fd15b8b261fdc048fdd39bf25fb1449b2d /drivers/tty
parent33d9b8b23a73d5d8609a740d0adeea8235c2ae52 (diff)
downloadlinux-d1f981506b38933e9ba4cfe01ae98bcd5d3792f9.tar.bz2
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: Peter Hurley <peter@hurleysoftware.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/8250/8250_omap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c
index 8579b0ced093..2c44c792d586 100644
--- a/drivers/tty/serial/8250/8250_omap.c
+++ b/drivers/tty/serial/8250/8250_omap.c
@@ -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)