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path: root/crypto/async_tx/async_xor.c
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Diffstat (limited to 'crypto/async_tx/async_xor.c')
-rw-r--r--crypto/async_tx/async_xor.c22
1 files changed, 6 insertions, 16 deletions
diff --git a/crypto/async_tx/async_xor.c b/crypto/async_tx/async_xor.c
index 716885a87f07..cb41e6bbbc4d 100644
--- a/crypto/async_tx/async_xor.c
+++ b/crypto/async_tx/async_xor.c
@@ -42,23 +42,17 @@ do_async_xor(struct dma_async_tx_descriptor *tx, struct dma_device *device,
dma_async_tx_callback cb_fn, void *cb_param)
{
dma_addr_t dma_addr;
- enum dma_data_direction dir;
int i;
pr_debug("%s: len: %zu\n", __FUNCTION__, len);
- dir = (flags & ASYNC_TX_ASSUME_COHERENT) ?
- DMA_NONE : DMA_FROM_DEVICE;
-
- dma_addr = dma_map_page(device->dev, dest, offset, len, dir);
+ dma_addr = dma_map_page(device->dev, dest, offset, len,
+ DMA_FROM_DEVICE);
tx->tx_set_dest(dma_addr, tx, 0);
- dir = (flags & ASYNC_TX_ASSUME_COHERENT) ?
- DMA_NONE : DMA_TO_DEVICE;
-
for (i = 0; i < src_cnt; i++) {
dma_addr = dma_map_page(device->dev, src_list[i],
- offset, len, dir);
+ offset, len, DMA_TO_DEVICE);
tx->tx_set_src(dma_addr, tx, i);
}
@@ -106,7 +100,7 @@ do_sync_xor(struct page *dest, struct page **src_list, unsigned int offset,
* @src_cnt: number of source pages
* @len: length in bytes
* @flags: ASYNC_TX_XOR_ZERO_DST, ASYNC_TX_XOR_DROP_DEST,
- * ASYNC_TX_ASSUME_COHERENT, ASYNC_TX_ACK, ASYNC_TX_DEP_ACK
+ * ASYNC_TX_ACK, ASYNC_TX_DEP_ACK
* @depend_tx: xor depends on the result of this transaction.
* @cb_fn: function to call when the xor completes
* @cb_param: parameter to pass to the callback routine
@@ -246,7 +240,7 @@ static int page_is_zero(struct page *p, unsigned int offset, size_t len)
* @src_cnt: number of source pages
* @len: length in bytes
* @result: 0 if sum == 0 else non-zero
- * @flags: ASYNC_TX_ASSUME_COHERENT, ASYNC_TX_ACK, ASYNC_TX_DEP_ACK
+ * @flags: ASYNC_TX_ACK, ASYNC_TX_DEP_ACK
* @depend_tx: xor depends on the result of this transaction.
* @cb_fn: function to call when the xor completes
* @cb_param: parameter to pass to the callback routine
@@ -270,16 +264,12 @@ async_xor_zero_sum(struct page *dest, struct page **src_list,
if (tx) {
dma_addr_t dma_addr;
- enum dma_data_direction dir;
pr_debug("%s: (async) len: %zu\n", __FUNCTION__, len);
- dir = (flags & ASYNC_TX_ASSUME_COHERENT) ?
- DMA_NONE : DMA_TO_DEVICE;
-
for (i = 0; i < src_cnt; i++) {
dma_addr = dma_map_page(device->dev, src_list[i],
- offset, len, dir);
+ offset, len, DMA_TO_DEVICE);
tx->tx_set_src(dma_addr, tx, i);
}

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