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path: root/drivers/tty/serial/8250/8250_dma.c
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Diffstat (limited to 'drivers/tty/serial/8250/8250_dma.c')
-rw-r--r--drivers/tty/serial/8250/8250_dma.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/tty/serial/8250/8250_dma.c b/drivers/tty/serial/8250/8250_dma.c
index e508939da..78259d3c6 100644
--- a/drivers/tty/serial/8250/8250_dma.c
+++ b/drivers/tty/serial/8250/8250_dma.c
@@ -54,9 +54,6 @@ static void __dma_rx_complete(void *param)
struct dma_tx_state state;
int count;
- dma_sync_single_for_cpu(dma->rxchan->device->dev, dma->rx_addr,
- dma->rx_size, DMA_FROM_DEVICE);
-
dma->rx_running = 0;
dmaengine_tx_status(dma->rxchan, dma->rx_cookie, &state);
@@ -152,9 +149,6 @@ int serial8250_rx_dma(struct uart_8250_port *p, unsigned int iir)
dma->rx_cookie = dmaengine_submit(desc);
- dma_sync_single_for_device(dma->rxchan->device->dev, dma->rx_addr,
- dma->rx_size, DMA_FROM_DEVICE);
-
dma_async_issue_pending(dma->rxchan);
return 0;