linux-kernel - RE: [PATCH] drivers: crypto: caam: Add CRYPTO_ALG_NO

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Message-ID:
 <DB9PR04MB8409E71E337D9DE9F82DB373E703A@DB9PR04MB8409.eurprd04.prod.outlook.com>
Date: Fri, 5 Sep 2025 04:56:30 +0000
From: Gaurav Jain <gaurav.jain@....com>
To: Meenakshi Aggarwal <meenakshi.aggarwal@....com>, Horia Geanta
	<horia.geanta@....com>, Varun Sethi <V.Sethi@....com>, Pankaj Gupta
	<pankaj.gupta@....com>, "herbert@...dor.apana.org.au"
	<herbert@...dor.apana.org.au>, "davem@...emloft.net" <davem@...emloft.net>,
	"linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC: Meenakshi Aggarwal <nxa07556@...05950.swis.nl-cdc01.nxp.com>
Subject: RE: [PATCH] drivers: crypto: caam: Add CRYPTO_ALG_NO_FALLBACK

Reviewed-by: Gaurav Jain <gaurav.jain@....com>

> -----Original Message-----
> From: Meenakshi Aggarwal <meenakshi.aggarwal@....com>
> Sent: Thursday, September 4, 2025 4:56 PM
> To: Horia Geanta <horia.geanta@....com>; Varun Sethi <V.Sethi@....com>;
> Pankaj Gupta <pankaj.gupta@....com>; Gaurav Jain <gaurav.jain@....com>;
> herbert@...dor.apana.org.au; davem@...emloft.net; linux-
> crypto@...r.kernel.org; linux-kernel@...r.kernel.org
> Cc: Meenakshi Aggarwal <nxa07556@...05950.swis.nl-cdc01.nxp.com>
> Subject: [PATCH] drivers: crypto: caam: Add CRYPTO_ALG_NO_FALLBACK
> 
> From: Meenakshi Aggarwal <nxa07556@...05950.swis.nl-cdc01.nxp.com>
> 
> Add CRYPTO_ALG_NO_FALLBACK cra_flag for hash algorithms.
> 
> Fixes: 4ccd065a69df ("crypto: ahash - Add support for drivers with no fallback")
> 
> Signed-off-by: Meenakshi Aggarwal <nxa07556@...05950.swis.nl-
> cdc01.nxp.com>
> ---
>  drivers/crypto/caam/caamhash.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
> index 25c02e267258..90aecefdce01 100644
> --- a/drivers/crypto/caam/caamhash.c
> +++ b/drivers/crypto/caam/caamhash.c
> @@ -1933,7 +1933,8 @@ caam_hash_alloc(struct caam_hash_template
> *template,
>  	alg->cra_priority = CAAM_CRA_PRIORITY;
>  	alg->cra_blocksize = template->blocksize;
>  	alg->cra_alignmask = 0;
> -	alg->cra_flags = CRYPTO_ALG_ASYNC |
> CRYPTO_ALG_ALLOCATES_MEMORY;
> +	alg->cra_flags = CRYPTO_ALG_ASYNC |
> CRYPTO_ALG_ALLOCATES_MEMORY |
> +			 CRYPTO_ALG_NO_FALLBACK;
> 
>  	t_alg->alg_type = template->alg_type;
>  	t_alg->ahash_alg.op.do_one_request = ahash_do_one_req;
> --
> 2.34.1