linux-kernel - Re: [v5 PATCH 7/7] crypto: stm32 - Save and restore between each request

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Date:   Wed, 8 Mar 2023 11:23:24 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Lionel Debieve <lionel.debieve@...s.st.com>,
        Li kunyu <kunyu@...china.com>, davem@...emloft.net,
        linux-arm-kernel@...ts.infradead.org, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com, mcoquelin.stm32@...il.com
Subject: Re: [v5 PATCH 7/7] crypto: stm32 - Save and restore between each
 request

On Tue, Mar 07, 2023 at 04:31:44PM +0100, Linus Walleij wrote:
>
> Sadly this doesn't work.

Nevermind, I know why it doesn't work.  It's specific to ux500
where you're polling the DCAL bit.  But the DCAL bit only works
for the final hash, it doesn't work for the intermediate state.

Let me check how the old ux500 handled this case.

Thanks,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt