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path: root/drivers/crypto/mxs-dcp.c
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Diffstat (limited to 'drivers/crypto/mxs-dcp.c')
-rw-r--r--drivers/crypto/mxs-dcp.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/drivers/crypto/mxs-dcp.c b/drivers/crypto/mxs-dcp.c
index 4915b9187477..620ffc2f4e62 100644
--- a/drivers/crypto/mxs-dcp.c
+++ b/drivers/crypto/mxs-dcp.c
@@ -33,7 +33,6 @@
#define DCP_ALIGNMENT 64
-
/*
* Null hashes to align with hw behavior on imx6sl and ull
* these are flipped for consistency with hw output
@@ -596,20 +595,8 @@ static int mxs_dcp_run_sha(struct ahash_request *req)
desc->payload = 0;
desc->status = 0;
- /*
- * Align driver with hw behavior when generating null hashes
- */
- if (rctx->init && rctx->fini && desc->size == 0 &&
- sdcp->enable_sha_workaround) {
- struct hash_alg_common *halg = crypto_hash_alg_common(tfm);
- const uint8_t *sha_buf =
- (actx->alg == MXS_DCP_CONTROL1_HASH_SELECT_SHA1) ?
- sha1_null_hash : sha256_null_hash;
- memcpy(sdcp->coh->sha_out_buf, sha_buf, halg->digestsize);
- ret = 0;
- goto done_run;
- }
-
+==== BASE ====
+==== BASE ====
/* Set HASH_TERM bit for last transfer block. */
if (rctx->fini) {
digest_phys = dma_map_single(sdcp->dev, sdcp->coh->sha_out_buf,