Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma

* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (37 commits)
  Improve slave/cyclic DMA engine documentation
  dmaengine: pl08x: handle the rest of enums in pl08x_width
  DMA: PL08x: cleanup selection of burst size
  DMA: PL08x: avoid recalculating cctl at each prepare
  DMA: PL08x: cleanup selection of buswidth
  DMA: PL08x: constify plchan->cd and plat->slave_channels
  DMA: PL08x: separately store source/destination cctl
  DMA: PL08x: separately store source/destination slave address
  DMA: PL08x: clean up LLI debugging
  DMA: PL08x: select LLI bus only once per LLI setup
  DMA: PL08x: remove unused constants
  ARM: mxs-dma: reset after disable channel
  dma: intel_mid_dma: remove redundant pci_set_drvdata calls
  dma: mxs-dma: fix unterminated platform_device_id table
  dmaengine: pl330: make platform data optional
  dmaengine: imx-sdma: return proper error if kzalloc fails
  pch_dma: Fix CTL register access issue
  dmaengine: mxs-dma: skip request_irq for NO_IRQ
  dmaengine/coh901318: fix slave submission semantics
  dmaengine/ste_dma40: allow memory buswidth/burst to be configured
  ...

Fix trivial whitespace conflict in drivers/dma/mv_xor.c

1 files changed, 12 insertions, 7 deletions

diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c
index a92d95eac86b..4234f416ef11 100644
--- a/drivers/dma/coh901318.c
+++ b/drivers/dma/coh901318.c
@@ -41,6 +41,8 @@ struct coh901318_desc {
 	struct coh901318_lli *lli;
 	enum dma_data_direction dir;
 	unsigned long flags;
+	u32 head_config;
+	u32 head_ctrl;
 };
 
 struct coh901318_base {
@@ -661,6 +663,9 @@ static struct coh901318_desc *coh901318_queue_start(struct coh901318_chan *cohc)
 
 		coh901318_desc_submit(cohc, cohd);
 
+		/* Program the transaction head */
+		coh901318_set_conf(cohc, cohd->head_config);
+		coh901318_set_ctrl(cohc, cohd->head_ctrl);
 		coh901318_prep_linked_list(cohc, cohd->lli);
 
 		/* start dma job on this channel */
@@ -1091,8 +1096,6 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 	} else
 		goto err_direction;
 
-	coh901318_set_conf(cohc, config);
-
 	/* The dma only supports transmitting packages up to
 	 * MAX_DMA_PACKET_SIZE. Calculate to total number of
 	 * dma elemts required to send the entire sg list
@@ -1129,16 +1132,18 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 	if (ret)
 		goto err_lli_fill;
 
-	/*
-	 * Set the default ctrl for the channel to the one from the lli,
-	 * things may have changed due to odd buffer alignment etc.
-	 */
-	coh901318_set_ctrl(cohc, lli->control);
 
 	COH_DBG(coh901318_list_print(cohc, lli));
 
 	/* Pick a descriptor to handle this transfer */
 	cohd = coh901318_desc_get(cohc);
+	cohd->head_config = config;
+	/*
+	 * Set the default head ctrl for the channel to the one from the
+	 * lli, things may have changed due to odd buffer alignment
+	 * etc.
+	 */
+	cohd->head_ctrl = lli->control;
 	cohd->dir = direction;
 	cohd->flags = flags;
 	cohd->desc.tx_submit = coh901318_tx_submit;