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path: root/drivers/crypto/hisilicon/sgl.c
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Diffstat (limited to 'drivers/crypto/hisilicon/sgl.c')
-rw-r--r--drivers/crypto/hisilicon/sgl.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/crypto/hisilicon/sgl.c b/drivers/crypto/hisilicon/sgl.c
index c974f95cd126..7a9ef2a9972a 100644
--- a/drivers/crypto/hisilicon/sgl.c
+++ b/drivers/crypto/hisilicon/sgl.c
@@ -210,15 +210,15 @@ static void clear_hw_sgl_sge(struct hisi_acc_hw_sgl *hw_sgl)
* @pool: Pool which hw sgl memory will be allocated in.
* @index: Index of hisi_acc_hw_sgl in pool.
* @hw_sgl_dma: The dma address of allocated hw sgl.
+ * @dir: DMA direction.
*
* This function builds hw sgl according input sgl, user can use hw_sgl_dma
* as src/dst in its BD. Only support single hw sgl currently.
*/
struct hisi_acc_hw_sgl *
-hisi_acc_sg_buf_map_to_hw_sgl(struct device *dev,
- struct scatterlist *sgl,
- struct hisi_acc_sgl_pool *pool,
- u32 index, dma_addr_t *hw_sgl_dma)
+hisi_acc_sg_buf_map_to_hw_sgl(struct device *dev, struct scatterlist *sgl,
+ struct hisi_acc_sgl_pool *pool, u32 index,
+ dma_addr_t *hw_sgl_dma, enum dma_data_direction dir)
{
struct hisi_acc_hw_sgl *curr_hw_sgl;
unsigned int i, sg_n_mapped;
@@ -232,7 +232,7 @@ hisi_acc_sg_buf_map_to_hw_sgl(struct device *dev,
sg_n = sg_nents(sgl);
- sg_n_mapped = dma_map_sg(dev, sgl, sg_n, DMA_BIDIRECTIONAL);
+ sg_n_mapped = dma_map_sg(dev, sgl, sg_n, dir);
if (!sg_n_mapped) {
dev_err(dev, "DMA mapping for SG error!\n");
return ERR_PTR(-EINVAL);
@@ -276,16 +276,17 @@ EXPORT_SYMBOL_GPL(hisi_acc_sg_buf_map_to_hw_sgl);
* @dev: The device which hw sgl belongs to.
* @sgl: Related scatterlist.
* @hw_sgl: Virtual address of hw sgl.
+ * @dir: DMA direction.
*
* This function unmaps allocated hw sgl.
*/
void hisi_acc_sg_buf_unmap(struct device *dev, struct scatterlist *sgl,
- struct hisi_acc_hw_sgl *hw_sgl)
+ struct hisi_acc_hw_sgl *hw_sgl, enum dma_data_direction dir)
{
if (!dev || !sgl || !hw_sgl)
return;
- dma_unmap_sg(dev, sgl, sg_nents(sgl), DMA_BIDIRECTIONAL);
+ dma_unmap_sg(dev, sgl, sg_nents(sgl), dir);
clear_hw_sgl_sge(hw_sgl);
hw_sgl->entry_sum_in_chain = 0;
hw_sgl->entry_sum_in_sgl = 0;