Hi Herbert, thanks for keeping going at this! On Mon, Mar 6, 2023 at 5:42 AM Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote: > Create a new struct stm32_hash_state so that it may be exported > in future instead of the entire request context. > > Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> First the patch bugged but I found the problem in a small semantic glitch: diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c index de8275a80271..3743f55b5c04 100644 --- a/drivers/crypto/stm32/stm32-hash.c +++ b/drivers/crypto/stm32/stm32-hash.c @@ -785,7 +785,7 @@ static int stm32_hash_final_req(struct stm32_hash_dev *hdev) if (state->flags & HASH_FLAGS_FINUP) return stm32_hash_update_req(hdev); - return stm32_hash_xmit_cpu(hdev, state->buffer, state->buflen, 1); + return stm32_hash_xmit_cpu(hdev, state->buffer, state->bufcnt, 1); } static void stm32_hash_emptymsg_fallback(struct ahash_request *req) Afte this all (extended) tests pass fine. Just fold in this and you can add: Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Tested-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Yours, Linus Walleij