3 files changed, 6 insertions, 8 deletions

diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index db7f88a1bde..f9dcb5379b9 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -483,7 +483,7 @@ static int pl011_dma_tx_refill(struct uart_amba_port *uap)
                 return -EBUSY;
         }
 
-        desc = dma_dev->device_prep_slave_sg(chan, &dmatx->sg, 1, DMA_MEM_TO_DEV,
+        desc = dmaengine_prep_slave_sg(chan, &dmatx->sg, 1, DMA_MEM_TO_DEV,
                                              DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
         if (!desc) {
                 dma_unmap_sg(dma_dev->dev, &dmatx->sg, 1, DMA_TO_DEVICE);
@@ -666,7 +666,6 @@ static void pl011_dma_rx_callback(void *data);
 static int pl011_dma_rx_trigger_dma(struct uart_amba_port *uap)
 {
         struct dma_chan *rxchan = uap->dmarx.chan;
-        struct dma_device *dma_dev;
         struct pl011_dmarx_data *dmarx = &uap->dmarx;
         struct dma_async_tx_descriptor *desc;
         struct pl011_sgbuf *sgbuf;
@@ -677,8 +676,7 @@ static int pl011_dma_rx_trigger_dma(struct uart_amba_port *uap)
         /* Start the RX DMA job */
         sgbuf = uap->dmarx.use_buf_b ?
                 &uap->dmarx.sgbuf_b : &uap->dmarx.sgbuf_a;
-        dma_dev = rxchan->device;
-        desc = rxchan->device->device_prep_slave_sg(rxchan, &sgbuf->sg, 1,
+        desc = dmaengine_prep_slave_sg(rxchan, &sgbuf->sg, 1,
                                         DMA_DEV_TO_MEM,
                                         DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
         /*
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 17ae65762d1..61743bdc439 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -763,7 +763,7 @@ static int dma_handle_rx(struct eg20t_port *priv)
 
         sg_dma_address(sg) = priv->rx_buf_dma;
 
-        desc = priv->chan_rx->device->device_prep_slave_sg(priv->chan_rx,
+        desc = dmaengine_prep_slave_sg(priv->chan_rx,
                         sg, 1, DMA_DEV_TO_MEM,
                         DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
 
@@ -922,7 +922,7 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv)
                         sg_dma_len(sg) = size;
         }
 
-        desc = priv->chan_tx->device->device_prep_slave_sg(priv->chan_tx,
+        desc = dmaengine_prep_slave_sg(priv->chan_tx,
                                         priv->sg_tx_p, nent, DMA_MEM_TO_DEV,
                                         DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
         if (!desc) {
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 75085795528..872557f89cc 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1338,7 +1338,7 @@ static void sci_submit_rx(struct sci_port *s)
                 struct scatterlist *sg = &s->sg_rx[i];
                 struct dma_async_tx_descriptor *desc;
 
-                desc = chan->device->device_prep_slave_sg(chan,
+                desc = dmaengine_prep_slave_sg(chan,
                         sg, 1, DMA_DEV_TO_MEM, DMA_PREP_INTERRUPT);
 
                 if (desc) {
@@ -1453,7 +1453,7 @@ static void work_fn_tx(struct work_struct *work)
 
         BUG_ON(!sg_dma_len(sg));
 
-        desc = chan->device->device_prep_slave_sg(chan,
+        desc = dmaengine_prep_slave_sg(chan,
                         sg, s->sg_len_tx, DMA_MEM_TO_DEV,
                         DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
         if (!desc) {