From: Huang Shijie <b32955@freescale.com>
Date: Fri, 11 Oct 2013 10:31:01 +0000 (+0800)
Subject: serial: imx: use the dmaengine_tx_status
X-Git-Tag: firefly_0821_release~176^2~5058^2~26
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f0ef8834b280ebb6c271f155ea040bf4af6c1881;p=firefly-linux-kernel-4.4.55.git

serial: imx: use the dmaengine_tx_status

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

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index cadf7e5848b2..13c2c2d09cac 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -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);