Re: [PATCH 5/6] crypto: stm32-hash: convert to the new crypto engine API

From: Fabien DESSENNE
Date: Thu Jan 11 2018 - 02:45:44 EST


(adding my tested my)


On 10/01/18 15:24, Fabien DESSENNE wrote:
>
> On 03/01/18 21:11, Corentin Labbe wrote:
>> This patch convert the stm32-hash driver to the new crypto engine API.
>>
>> Signed-off-by: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>

Tested-by: Fabien Dessenne <fabien.dessenne@xxxxxx>

>> ---
>> drivers/crypto/stm32/stm32-hash.c | 18 +++++++++++++-----
>> 1 file changed, 13 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c
>> index 4ca4a264a833..9790c2c936c7 100644
>> --- a/drivers/crypto/stm32/stm32-hash.c
>> +++ b/drivers/crypto/stm32/stm32-hash.c
>> @@ -122,6 +122,7 @@ enum stm32_hash_data_format {
>> #define HASH_DMA_THRESHOLD 50
>>
>> struct stm32_hash_ctx {
>> + struct crypto_engine_reqctx enginectx;
>> struct stm32_hash_dev *hdev;
>> unsigned long flags;
>>
>> @@ -828,6 +829,11 @@ static int stm32_hash_hw_init(struct stm32_hash_dev *hdev,
>> return 0;
>> }
>>
>> +static int stm32_hash_one_request(struct crypto_engine *engine,
>> + void *areq);
> merge these two lines in a single one
>
>> +static int stm32_hash_prepare_req(struct crypto_engine *engine,
>> + void *areq);
> merge these two lines in a single one
>
>> +
>> static int stm32_hash_handle_queue(struct stm32_hash_dev *hdev,
>> struct ahash_request *req)
>> {
>> @@ -835,8 +841,9 @@ static int stm32_hash_handle_queue(struct stm32_hash_dev *hdev,
>> }
>>
>> static int stm32_hash_prepare_req(struct crypto_engine *engine,
>> - struct ahash_request *req)
>> + void *areq)
> merge these two lines in a single one
>
>> {
>> + struct ahash_request *req = container_of(areq, struct ahash_request, base);
> > 80 characters (CHECKPATCH)
>
>> struct stm32_hash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));
>> struct stm32_hash_dev *hdev = stm32_hash_find_dev(ctx);
>> struct stm32_hash_request_ctx *rctx;
>> @@ -855,8 +862,9 @@ static int stm32_hash_prepare_req(struct crypto_engine *engine,
>> }
>>
>> static int stm32_hash_one_request(struct crypto_engine *engine,
>> - struct ahash_request *req)
>> + void *areq)
> merge these two lines in a single one
>
>> {
>> + struct ahash_request *req = container_of(areq, struct ahash_request, base);
> > 80 characters (CHECKPATCH)
>
>> struct stm32_hash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));
>> struct stm32_hash_dev *hdev = stm32_hash_find_dev(ctx);
>> struct stm32_hash_request_ctx *rctx;
>> @@ -1033,6 +1041,9 @@ static int stm32_hash_cra_init_algs(struct crypto_tfm *tfm,
>> if (algs_hmac_name)
>> ctx->flags |= HASH_FLAGS_HMAC;
>>
>> + ctx->enginectx.op.do_one_request = stm32_hash_one_request;
>> + ctx->enginectx.op.prepare_request = stm32_hash_prepare_req;
>> + ctx->enginectx.op.unprepare_request = NULL;
>> return 0;
>> }
>>
>> @@ -1493,9 +1504,6 @@ static int stm32_hash_probe(struct platform_device *pdev)
>> goto err_engine;
>> }
>>
>> - hdev->engine->prepare_hash_request = stm32_hash_prepare_req;
>> - hdev->engine->hash_one_request = stm32_hash_one_request;
>> -
>> ret = crypto_engine_start(hdev->engine);
>> if (ret)
>> goto err_engine_start;