Commit f0ef8834 authored by Huang Shijie's avatar Huang Shijie Committed by Greg Kroah-Hartman
Browse files

serial: imx: use the dmaengine_tx_status 



Use the dmaengine_tx_status to simplify the code, do not change any logic.

Signed-off-by: default avatarHuang Shijie <b32955@freescale.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 947c74eb

drivers/tty/serial/imx.c

+2 −2
Original line number Diff line number Diff line
@@ -521,7 +521,7 @@ static void dma_tx_work(struct work_struct *w) 
	unsigned long flags;

	int ret;



	status = chan->device->device_tx_status(chan, (dma_cookie_t)0, NULL);

	status = dmaengine_tx_status(chan, (dma_cookie_t)0, NULL);

	if (DMA_IN_PROGRESS == status)

		return;
@@ -926,7 +926,7 @@ static void dma_rx_callback(void *data) 
	/* unmap it first */

	dma_unmap_sg(sport->port.dev, sgl, 1, DMA_FROM_DEVICE);



	status = chan->device->device_tx_status(chan, (dma_cookie_t)0, &state);

	status = dmaengine_tx_status(chan, (dma_cookie_t)0, &state);

	count = RX_BUF_SIZE - state.residue;

	dev_dbg(sport->port.dev, "We get %d bytes.\n", count);