Re: [PATCH v10 2/4] crypto: spacc - Add SPAcc ahash support

[Herbert Xu]

On Thu, Feb 19, 2026 at 05:11:28PM +0530, Pavitrakumar Managutte wrote:
>
> +static int spacc_hash_init_tfm(struct crypto_ahash *tfm)
> +{
> +	int rc = 0;
> +	const struct spacc_alg *salg = container_of(crypto_ahash_alg(tfm),
> +						    struct spacc_alg,
> +						    alg.hash.base);
> +	struct spacc_crypto_ctx *tctx = crypto_ahash_ctx(tfm);
> +
> +	tctx->handle    = -1;
> +	tctx->ctx_valid = false;
> +	tctx->keylen    = 0;
> +	tctx->fb.hash   = NULL;
> +	tctx->tmp_sgl   = NULL;
> +	tctx->tmp_sgl_buff = NULL;
> +	tctx->dev       = get_device(salg->dev);
> +
> +	tctx->fb.hash = crypto_alloc_ahash(crypto_ahash_alg_name(tfm), 0,
> +			CRYPTO_ALG_NEED_FALLBACK);

Every async ahash algorithm automatically gets a fallback from
the API so there is no need to allocate one yourself.

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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