dmaengine: remove DMA unmap flags

Remove no longer needed DMA unmap flags:
- DMA_COMPL_SKIP_SRC_UNMAP
- DMA_COMPL_SKIP_DEST_UNMAP
- DMA_COMPL_SRC_UNMAP_SINGLE
- DMA_COMPL_DEST_UNMAP_SINGLE

Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Tomasz Figa <t.figa@samsung.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Jon Mason <jon.mason@intel.com>
Acked-by: Mark Brown <broonie@linaro.org>
[djbw: clean up straggling skip unmap flags in ntb]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

4 files changed, 5 insertions, 13 deletions

diff --git a/crypto/async_tx/async_memcpy.c b/crypto/async_tx/async_memcpy.c
index 7275021..f8c0b8d 100644
--- a/crypto/async_tx/async_memcpy.c
+++ b/crypto/async_tx/async_memcpy.c
@@ -56,8 +56,7 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset,
 		unmap = dmaengine_get_unmap_data(device->dev, 2, GFP_NOIO);
 
 	if (unmap && is_dma_copy_aligned(device, src_offset, dest_offset, len)) {
-		unsigned long dma_prep_flags = DMA_COMPL_SKIP_SRC_UNMAP |
-					       DMA_COMPL_SKIP_DEST_UNMAP;
+		unsigned long dma_prep_flags = 0;
 
 		if (submit->cb_fn)
 			dma_prep_flags |= DMA_PREP_INTERRUPT;
diff --git a/crypto/async_tx/async_pq.c b/crypto/async_tx/async_pq.c
index 4126b56..d05327c 100644
--- a/crypto/async_tx/async_pq.c
+++ b/crypto/async_tx/async_pq.c
@@ -62,7 +62,6 @@ do_async_gen_syndrome(struct dma_chan *chan,
 	dma_addr_t dma_dest[2];
 	int src_off = 0;
 
-	dma_flags |= DMA_COMPL_SKIP_SRC_UNMAP | DMA_COMPL_SKIP_DEST_UNMAP;
 	if (submit->flags & ASYNC_TX_FENCE)
 		dma_flags |= DMA_PREP_FENCE;
 
diff --git a/crypto/async_tx/async_raid6_recov.c b/crypto/async_tx/async_raid6_recov.c
index a3a72a7..934a849 100644
--- a/crypto/async_tx/async_raid6_recov.c
+++ b/crypto/async_tx/async_raid6_recov.c
@@ -47,9 +47,7 @@ async_sum_product(struct page *dest, struct page **srcs, unsigned char *coef,
 		struct device *dev = dma->dev;
 		dma_addr_t pq[2];
 		struct dma_async_tx_descriptor *tx;
-		enum dma_ctrl_flags dma_flags = DMA_COMPL_SKIP_SRC_UNMAP |
-						DMA_COMPL_SKIP_DEST_UNMAP |
-						DMA_PREP_PQ_DISABLE_P;
+		enum dma_ctrl_flags dma_flags = DMA_PREP_PQ_DISABLE_P;
 
 		if (submit->flags & ASYNC_TX_FENCE)
 			dma_flags |= DMA_PREP_FENCE;
@@ -113,9 +111,7 @@ async_mult(struct page *dest, struct page *src, u8 coef, size_t len,
 		dma_addr_t dma_dest[2];
 		struct device *dev = dma->dev;
 		struct dma_async_tx_descriptor *tx;
-		enum dma_ctrl_flags dma_flags = DMA_COMPL_SKIP_SRC_UNMAP |
-						DMA_COMPL_SKIP_DEST_UNMAP |
-						DMA_PREP_PQ_DISABLE_P;
+		enum dma_ctrl_flags dma_flags = DMA_PREP_PQ_DISABLE_P;
 
 		if (submit->flags & ASYNC_TX_FENCE)
 			dma_flags |= DMA_PREP_FENCE;
diff --git a/crypto/async_tx/async_xor.c b/crypto/async_tx/async_xor.c
index d2cc77d..3c562f5 100644
--- a/crypto/async_tx/async_xor.c
+++ b/crypto/async_tx/async_xor.c
@@ -41,7 +41,7 @@ do_async_xor(struct dma_chan *chan, struct dmaengine_unmap_data *unmap,
 	dma_async_tx_callback cb_fn_orig = submit->cb_fn;
 	void *cb_param_orig = submit->cb_param;
 	enum async_tx_flags flags_orig = submit->flags;
-	enum dma_ctrl_flags dma_flags;
+	enum dma_ctrl_flags dma_flags = 0;
 	int src_cnt = unmap->to_cnt;
 	int xor_src_cnt;
 	dma_addr_t dma_dest = unmap->addr[unmap->to_cnt];
@@ -55,7 +55,6 @@ do_async_xor(struct dma_chan *chan, struct dmaengine_unmap_data *unmap,
 		/* if we are submitting additional xors, leave the chain open
 		 * and clear the callback parameters
 		 */
-		dma_flags = DMA_COMPL_SKIP_SRC_UNMAP | DMA_COMPL_SKIP_DEST_UNMAP;
 		if (src_cnt > xor_src_cnt) {
 			submit->flags &= ~ASYNC_TX_ACK;
 			submit->flags |= ASYNC_TX_FENCE;
@@ -284,8 +283,7 @@ async_xor_val(struct page *dest, struct page **src_list, unsigned int offset,
 
 	if (unmap && src_cnt <= device->max_xor &&
 	    is_dma_xor_aligned(device, offset, 0, len)) {
-		unsigned long dma_prep_flags = DMA_COMPL_SKIP_SRC_UNMAP |
-					       DMA_COMPL_SKIP_DEST_UNMAP;
+		unsigned long dma_prep_flags = 0;
 		int i;
 
 		pr_debug("%s: (async) len: %zu\n", __func__, len);