Merge branch 'dma_slave_direction' into next_test_dirn

resolved conflicts:
	drivers/media/video/mx3_camera.c

6 files changed, 31 insertions, 15 deletions

diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index a7ee5027146..fcfe1eb5acc 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -823,6 +823,7 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data)
 	struct scatterlist		*sg;
 	unsigned int			i;
 	enum dma_data_direction		direction;
+	enum dma_transfer_direction	slave_dirn;
 	unsigned int			sglen;
 	u32 iflags;
 
@@ -860,16 +861,19 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data)
 	if (host->caps.has_dma)
 		atmci_writel(host, ATMCI_DMA, ATMCI_DMA_CHKSIZE(3) | ATMCI_DMAEN);
 
-	if (data->flags & MMC_DATA_READ)
+	if (data->flags & MMC_DATA_READ) {
 		direction = DMA_FROM_DEVICE;
-	else
+		slave_dirn = DMA_DEV_TO_MEM;
+	} else {
 		direction = DMA_TO_DEVICE;
+		slave_dirn = DMA_MEM_TO_DEV;
+	}
 
 	sglen = dma_map_sg(chan->device->dev, data->sg,
 			data->sg_len, direction);
 
 	desc = chan->device->device_prep_slave_sg(chan,
-			data->sg, sglen, direction,
+			data->sg, sglen, slave_dirn,
 			DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
 	if (!desc)
 		goto unmap_exit;
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 50b5f9926f6..0b44d6bbe5d 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -374,6 +374,7 @@ static int mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
 	struct dma_chan *chan;
 	struct dma_device *device;
 	struct dma_async_tx_descriptor *desc;
+	enum dma_data_direction buffer_dirn;
 	int nr_sg;
 
 	/* Check if next job is already prepared */
@@ -387,10 +388,12 @@ static int mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
 	}
 
 	if (data->flags & MMC_DATA_READ) {
-		conf.direction = DMA_FROM_DEVICE;
+		conf.direction = DMA_DEV_TO_MEM;
+		buffer_dirn = DMA_FROM_DEVICE;
 		chan = host->dma_rx_channel;
 	} else {
-		conf.direction = DMA_TO_DEVICE;
+		conf.direction = DMA_MEM_TO_DEV;
+		buffer_dirn = DMA_TO_DEVICE;
 		chan = host->dma_tx_channel;
 	}
 
@@ -403,7 +406,7 @@ static int mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
 		return -EINVAL;
 
 	device = chan->device;
-	nr_sg = dma_map_sg(device->dev, data->sg, data->sg_len, conf.direction);
+	nr_sg = dma_map_sg(device->dev, data->sg, data->sg_len, buffer_dirn);
 	if (nr_sg == 0)
 		return -EINVAL;
 
@@ -426,7 +429,7 @@ static int mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
  unmap_exit:
 	if (!next)
 		dmaengine_terminate_all(chan);
-	dma_unmap_sg(device->dev, data->sg, data->sg_len, conf.direction);
+	dma_unmap_sg(device->dev, data->sg, data->sg_len, buffer_dirn);
 	return -ENOMEM;
 }
 
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index 325ea61e12d..a17bc121785 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -218,6 +218,7 @@ static int mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
 	unsigned int blksz = data->blksz;
 	unsigned int datasize = nob * blksz;
 	struct scatterlist *sg;
+	enum dma_transfer_direction slave_dirn;
 	int i, nents;
 
 	if (data->flags & MMC_DATA_STREAM)
@@ -240,10 +241,13 @@ static int mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
 		}
 	}
 
-	if (data->flags & MMC_DATA_READ)
+	if (data->flags & MMC_DATA_READ) {
 		host->dma_dir = DMA_FROM_DEVICE;
-	else
+		slave_dirn = DMA_DEV_TO_MEM;
+	} else {
 		host->dma_dir = DMA_TO_DEVICE;
+		slave_dirn = DMA_MEM_TO_DEV;
+	}
 
 	nents = dma_map_sg(host->dma->device->dev, data->sg,
 				     data->sg_len,  host->dma_dir);
@@ -251,7 +255,7 @@ static int mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
 		return -EINVAL;
 
 	host->desc = host->dma->device->device_prep_slave_sg(host->dma,
-		data->sg, data->sg_len, host->dma_dir,
+		data->sg, data->sg_len, slave_dirn,
 		DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
 
 	if (!host->desc) {
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index 99b449d26a4..0a878b18134 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -154,6 +154,7 @@ struct mxs_mmc_host {
 	struct dma_chan         	*dmach;
 	struct mxs_dma_data		dma_data;
 	unsigned int			dma_dir;
+	enum dma_transfer_direction	slave_dirn;
 	u32				ssp_pio_words[SSP_PIO_NUM];
 
 	unsigned int			version;
@@ -324,7 +325,7 @@ static struct dma_async_tx_descriptor *mxs_mmc_prep_dma(
 	}
 
 	desc = host->dmach->device->device_prep_slave_sg(host->dmach,
-				sgl, sg_len, host->dma_dir, append);
+				sgl, sg_len, host->slave_dirn, append);
 	if (desc) {
 		desc->callback = mxs_mmc_dma_irq_callback;
 		desc->callback_param = host;
@@ -433,6 +434,7 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
 	int i;
 
 	unsigned short dma_data_dir, timeout;
+	enum dma_transfer_direction slave_dirn;
 	unsigned int data_size = 0, log2_blksz;
 	unsigned int blocks = data->blocks;
 
@@ -448,9 +450,11 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
 
 	if (data->flags & MMC_DATA_WRITE) {
 		dma_data_dir = DMA_TO_DEVICE;
+		slave_dirn = DMA_MEM_TO_DEV;
 		read = 0;
 	} else {
 		dma_data_dir = DMA_FROM_DEVICE;
+		slave_dirn = DMA_DEV_TO_MEM;
 		read = BM_SSP_CTRL0_READ;
 	}
 
@@ -518,6 +522,7 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
 	WARN_ON(host->data != NULL);
 	host->data = data;
 	host->dma_dir = dma_data_dir;
+	host->slave_dirn = slave_dirn;
 	desc = mxs_mmc_prep_dma(host, 1);
 	if (!desc)
 		goto out;
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 369366c8e20..1c0c10bd2d3 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -233,7 +233,7 @@ static void sh_mmcif_start_dma_rx(struct sh_mmcif_host *host)
 	if (ret > 0) {
 		host->dma_active = true;
 		desc = chan->device->device_prep_slave_sg(chan, sg, ret,
-			DMA_FROM_DEVICE, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+			DMA_DEV_TO_MEM, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
 	}
 
 	if (desc) {
@@ -281,7 +281,7 @@ static void sh_mmcif_start_dma_tx(struct sh_mmcif_host *host)
 	if (ret > 0) {
 		host->dma_active = true;
 		desc = chan->device->device_prep_slave_sg(chan, sg, ret,
-			DMA_TO_DEVICE, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+			DMA_MEM_TO_DEV, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
 	}
 
 	if (desc) {
diff --git a/drivers/mmc/host/tmio_mmc_dma.c b/drivers/mmc/host/tmio_mmc_dma.c
index 86f259cdfcb..7a6e6cc8f8b 100644
--- a/drivers/mmc/host/tmio_mmc_dma.c
+++ b/drivers/mmc/host/tmio_mmc_dma.c
@@ -77,7 +77,7 @@ static void tmio_mmc_start_dma_rx(struct tmio_mmc_host *host)
 	ret = dma_map_sg(chan->device->dev, sg, host->sg_len, DMA_FROM_DEVICE);
 	if (ret > 0)
 		desc = chan->device->device_prep_slave_sg(chan, sg, ret,
-			DMA_FROM_DEVICE, DMA_CTRL_ACK);
+			DMA_DEV_TO_MEM, DMA_CTRL_ACK);
 
 	if (desc) {
 		cookie = dmaengine_submit(desc);
@@ -158,7 +158,7 @@ static void tmio_mmc_start_dma_tx(struct tmio_mmc_host *host)
 	ret = dma_map_sg(chan->device->dev, sg, host->sg_len, DMA_TO_DEVICE);
 	if (ret > 0)
 		desc = chan->device->device_prep_slave_sg(chan, sg, ret,
-			DMA_TO_DEVICE, DMA_CTRL_ACK);
+			DMA_MEM_TO_DEV, DMA_CTRL_ACK);
 
 	if (desc) {
 		cookie = dmaengine_submit(desc);