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path: root/drivers/dma/ipu/ipu_idmac.c
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Diffstat (limited to 'drivers/dma/ipu/ipu_idmac.c')
-rw-r--r--drivers/dma/ipu/ipu_idmac.c29
1 files changed, 3 insertions, 26 deletions
diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c
index 0e5ef33f90a1..6212b16e8cf2 100644
--- a/drivers/dma/ipu/ipu_idmac.c
+++ b/drivers/dma/ipu/ipu_idmac.c
@@ -312,7 +312,7 @@ static void ipu_ch_param_set_size(union chan_param_mem *params,
 	case IPU_PIX_FMT_RGB565:
 		params->ip.bpp	= 2;
 		params->ip.pfs	= 4;
-		params->ip.npb	= 7;
+		params->ip.npb	= 15;
 		params->ip.sat	= 2;		/* SAT = 32-bit access */
 		params->ip.ofs0	= 0;		/* Red bit offset */
 		params->ip.ofs1	= 5;		/* Green bit offset */
@@ -422,12 +422,6 @@ static void ipu_ch_param_set_size(union chan_param_mem *params,
 	params->pp.nsb = 1;
 }
 
-static void ipu_ch_param_set_burst_size(union chan_param_mem *params,
-					uint16_t burst_pixels)
-{
-	params->pp.npb = burst_pixels - 1;
-}
-
 static void ipu_ch_param_set_buffer(union chan_param_mem *params,
 				    dma_addr_t buf0, dma_addr_t buf1)
 {
@@ -690,23 +684,6 @@ static int ipu_init_channel_buffer(struct idmac_channel *ichan,
 	ipu_ch_param_set_size(&params, pixel_fmt, width, height, stride_bytes);
 	ipu_ch_param_set_buffer(&params, phyaddr_0, phyaddr_1);
 	ipu_ch_param_set_rotation(&params, rot_mode);
-	/* Some channels (rotation) have restriction on burst length */
-	switch (channel) {
-	case IDMAC_IC_7:	/* Hangs with burst 8, 16, other values
-				   invalid - Table 44-30 */
-/*
-		ipu_ch_param_set_burst_size(&params, 8);
- */
-		break;
-	case IDMAC_SDC_0:
-	case IDMAC_SDC_1:
-		/* In original code only IPU_PIX_FMT_RGB565 was setting burst */
-		ipu_ch_param_set_burst_size(&params, 16);
-		break;
-	case IDMAC_IC_0:
-	default:
-		break;
-	}
 
 	spin_lock_irqsave(&ipu->lock, flags);
 
@@ -1364,7 +1341,7 @@ static void ipu_gc_tasklet(unsigned long arg)
 /* Allocate and initialise a transfer descriptor. */
 static struct dma_async_tx_descriptor *idmac_prep_slave_sg(struct dma_chan *chan,
 		struct scatterlist *sgl, unsigned int sg_len,
-		enum dma_data_direction direction, unsigned long tx_flags)
+		enum dma_transfer_direction direction, unsigned long tx_flags)
 {
 	struct idmac_channel *ichan = to_idmac_chan(chan);
 	struct idmac_tx_desc *desc = NULL;
@@ -1376,7 +1353,7 @@ static struct dma_async_tx_descriptor *idmac_prep_slave_sg(struct dma_chan *chan
 	    chan->chan_id != IDMAC_IC_7)
 		return NULL;
 
-	if (direction != DMA_FROM_DEVICE && direction != DMA_TO_DEVICE) {
+	if (direction != DMA_DEV_TO_MEM && direction != DMA_MEM_TO_DEV) {
 		dev_err(chan->device->dev, "Invalid DMA direction %d!\n", direction);
 		return NULL;
 	}