Signed-off-by: Phil Sutter <phil.sutter@xxxxxxxxxxxx>
---
drivers/crypto/mv_cesa.c | 12 ++++++++++--
1 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 4b08137..7dfab85 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -158,6 +158,7 @@ struct mv_req_hash_ctx {
u64 count;
u32 state[SHA1_DIGEST_SIZE / 4];
u8 buffer[SHA1_BLOCK_SIZE];
+ dma_addr_t buffer_dma;
int first_hash; /* marks that we don't have previous state */
int last_chunk; /* marks that this is the 'final' request */
int extra_bytes; /* unprocessed bytes in buffer */
@@ -638,6 +639,9 @@ static void mv_hash_algo_completion(void)
dma_unmap_single(cpg->dev, ctx->result_dma,
ctx->digestsize, DMA_FROM_DEVICE);
+ dma_unmap_single(cpg->dev, ctx->buffer_dma,
+ SHA1_BLOCK_SIZE, DMA_TO_DEVICE);
+
if (unlikely(ctx->count > MAX_HW_HASH_SIZE)) {
mv_save_digest_state(ctx);
mv_hash_final_fallback(req);
@@ -757,8 +761,10 @@ static void mv_start_new_hash_req(struct ahash_request *req)
p->process = mv_update_hash_config;
if (unlikely(old_extra_bytes)) {
- memcpy(cpg->sram + SRAM_DATA_IN_START, ctx->buffer,
- old_extra_bytes);
+ dma_sync_single_for_device(cpg->dev, ctx->buffer_dma,
+ SHA1_BLOCK_SIZE, DMA_TO_DEVICE);
+ mv_dma_memcpy(cpg->sram_phys + SRAM_DATA_IN_START,
+ ctx->buffer_dma, old_extra_bytes);
p->crypt_len = old_extra_bytes;
}
@@ -903,6 +909,8 @@ static void mv_init_hash_req_ctx(struct mv_req_hash_ctx *ctx, int op,
ctx->first_hash = 1;
ctx->last_chunk = is_last;
ctx->count_add = count_add;
+ ctx->buffer_dma = dma_map_single(cpg->dev, ctx->buffer,
+ SHA1_BLOCK_SIZE, DMA_TO_DEVICE);
}
static void mv_update_hash_req_ctx(struct mv_req_hash_ctx *ctx, int is_last,
--
1.7.3.4
--
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