diff options
Diffstat (limited to 'target/linux/mxs/patches-4.4')
| -rw-r--r-- | target/linux/mxs/patches-4.4/100-crypto-mxsdcp-provide-importexport.patch | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/target/linux/mxs/patches-4.4/100-crypto-mxsdcp-provide-importexport.patch b/target/linux/mxs/patches-4.4/100-crypto-mxsdcp-provide-importexport.patch new file mode 100644 index 0000000000..5aa3d7dc36 --- /dev/null +++ b/target/linux/mxs/patches-4.4/100-crypto-mxsdcp-provide-importexport.patch @@ -0,0 +1,80 @@ +From: Fabio Estevam <fabio.estevam@nxp.com> + +Currently the mxs-dcp driver fails to probe: + +mxs-dcp 80028000.dcp: Failed to register sha1 hash! +mxs-dcp: probe of 80028000.dcp failed with error -22 + +This happens since commit 8996eafdcbad ("crypto: ahash - ensure statesize +is non-zero"), which requires statesize to be filled. + +Other than filling statesize, we also need to provide the import/export +functions. + +Based on the implementation of the sahara and caam drivers. + +Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> +--- +Changes since v2: +- Newly introduced in this series + + drivers/crypto/mxs-dcp.c | 24 ++++++++++++++++++++++++ + 1 file changed, 24 insertions(+) + +diff --git a/drivers/crypto/mxs-dcp.c b/drivers/crypto/mxs-dcp.c +index 59ed54e..1e2017f 100644 +--- a/drivers/crypto/mxs-dcp.c ++++ b/drivers/crypto/mxs-dcp.c +@@ -775,6 +775,24 @@ static void dcp_sha_cra_exit(struct crypto_tfm *tfm) + { + } + ++static int dcp_sha_export(struct ahash_request *req, void *out) ++{ ++ struct dcp_sha_req_ctx *rctx = ahash_request_ctx(req); ++ ++ memcpy(out, rctx, sizeof(struct dcp_sha_req_ctx)); ++ ++ return 0; ++} ++ ++static int dcp_sha_import(struct ahash_request *req, const void *in) ++{ ++ struct dcp_sha_req_ctx *rctx = ahash_request_ctx(req); ++ ++ memcpy(rctx, in, sizeof(struct dcp_sha_req_ctx)); ++ ++ return 0; ++} ++ + /* AES 128 ECB and AES 128 CBC */ + static struct crypto_alg dcp_aes_algs[] = { + { +@@ -834,8 +852,11 @@ static struct ahash_alg dcp_sha1_alg = { + .final = dcp_sha_final, + .finup = dcp_sha_finup, + .digest = dcp_sha_digest, ++ .import = dcp_sha_import, ++ .export = dcp_sha_export, + .halg = { + .digestsize = SHA1_DIGEST_SIZE, ++ .statesize = sizeof(struct dcp_sha_req_ctx), + .base = { + .cra_name = "sha1", + .cra_driver_name = "sha1-dcp", +@@ -858,8 +879,11 @@ static struct ahash_alg dcp_sha256_alg = { + .final = dcp_sha_final, + .finup = dcp_sha_finup, + .digest = dcp_sha_digest, ++ .import = dcp_sha_import, ++ .export = dcp_sha_export, + .halg = { + .digestsize = SHA256_DIGEST_SIZE, ++ .statesize = sizeof(struct dcp_sha_req_ctx), + .base = { + .cra_name = "sha256", + .cra_driver_name = "sha256-dcp", +-- +1.9.1 + +-- |