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| author | Horia Geantă <horia.geanta@nxp.com> | 2016-11-09 10:46:24 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-11-13 17:45:16 +0800 |
| commit | 9a1a1c08dc285df9460a2b1b3de2bca129ebc6e2 (patch) | |
| tree | 2531e6e26d4b9ee39434dc453370f90845505b39 /drivers/crypto/caam | |
| parent | 24a4f14f0a93f6fff7e6ade5d99b402c831bbd96 (diff) | |
| download | linux-9a1a1c08dc285df9460a2b1b3de2bca129ebc6e2.tar.bz2 | |
crypto: caam - merge identical ahash_final/finup shared desc
Shared descriptors used by ahash_final() and ahash_finup()
are identical, thus get rid of one of them (sh_desc_finup).
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/caam')
| -rw-r--r-- | drivers/crypto/caam/caamhash.c | 26 |
1 files changed, 1 insertions, 25 deletions
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index d5a06c6923c0..86f360853502 100644 --- a/drivers/crypto/caam/caamhash.c +++ b/drivers/crypto/caam/caamhash.c @@ -103,12 +103,10 @@ struct caam_hash_ctx { u32 sh_desc_update_first[DESC_HASH_MAX_USED_LEN] ____cacheline_aligned; u32 sh_desc_fin[DESC_HASH_MAX_USED_LEN] ____cacheline_aligned; u32 sh_desc_digest[DESC_HASH_MAX_USED_LEN] ____cacheline_aligned; - u32 sh_desc_finup[DESC_HASH_MAX_USED_LEN] ____cacheline_aligned; dma_addr_t sh_desc_update_dma ____cacheline_aligned; dma_addr_t sh_desc_update_first_dma; dma_addr_t sh_desc_fin_dma; dma_addr_t sh_desc_digest_dma; - dma_addr_t sh_desc_finup_dma; struct device *jrdev; u32 alg_type; u32 alg_op; @@ -380,24 +378,6 @@ static int ahash_set_sh_desc(struct crypto_ahash *ahash) desc_bytes(desc), 1); #endif - /* ahash_finup shared descriptor */ - desc = ctx->sh_desc_finup; - - ahash_ctx_data_to_out(desc, have_key | ctx->alg_type, - OP_ALG_AS_FINALIZE, digestsize, ctx); - - ctx->sh_desc_finup_dma = dma_map_single(jrdev, desc, desc_bytes(desc), - DMA_TO_DEVICE); - if (dma_mapping_error(jrdev, ctx->sh_desc_finup_dma)) { - dev_err(jrdev, "unable to map shared descriptor\n"); - return -ENOMEM; - } -#ifdef DEBUG - print_hex_dump(KERN_ERR, "ahash finup shdesc@"__stringify(__LINE__)": ", - DUMP_PREFIX_ADDRESS, 16, 4, desc, - desc_bytes(desc), 1); -#endif - /* ahash_digest shared descriptor */ desc = ctx->sh_desc_digest; @@ -1071,7 +1051,7 @@ static int ahash_finup_ctx(struct ahash_request *req) /* allocate space for base edesc and hw desc commands, link tables */ edesc = ahash_edesc_alloc(ctx, sec4_sg_src_index + mapped_nents, - ctx->sh_desc_finup, ctx->sh_desc_finup_dma, + ctx->sh_desc_fin, ctx->sh_desc_fin_dma, flags); if (!edesc) { dma_unmap_sg(jrdev, req->src, src_nents, DMA_TO_DEVICE); @@ -1886,10 +1866,6 @@ static void caam_hash_cra_exit(struct crypto_tfm *tfm) dma_unmap_single(ctx->jrdev, ctx->sh_desc_digest_dma, desc_bytes(ctx->sh_desc_digest), DMA_TO_DEVICE); - if (ctx->sh_desc_finup_dma && - !dma_mapping_error(ctx->jrdev, ctx->sh_desc_finup_dma)) - dma_unmap_single(ctx->jrdev, ctx->sh_desc_finup_dma, - desc_bytes(ctx->sh_desc_finup), DMA_TO_DEVICE); caam_jr_free(ctx->jrdev); } |