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- 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(+)
- --- a/drivers/crypto/mxs-dcp.c
- +++ b/drivers/crypto/mxs-dcp.c
- @@ -782,6 +782,24 @@ static void dcp_sha_cra_exit(struct cryp
- {
- }
-
- +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[] = {
- {
- @@ -841,8 +859,11 @@ 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",
- @@ -865,8 +886,11 @@ 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",
|
