Re: [PATCH 2/2] crypto: s5p-sss: Add HASH support for Exynos

From: Vladimir Zapolskiy
Date: Wed Oct 25 2017 - 11:09:15 EST


Hi Kamil,

thank you for updates, everything looks good from my point of view.

On 10/25/2017 05:57 PM, Kamil Konieczny wrote:
> Add support for MD5, SHA1, SHA256 hash algorithms for Exynos HW.
> It uses the crypto framework asynchronous hash api.
> It is based on omap-sham.c driver.
> S5P has some HW differencies and is not implemented.
>
> Modifications in s5p-sss:
>
> - Add hash supporting structures and functions.
>
> - Modify irq handler to handle both aes and hash signals.
>
> - Resize resource end in probe if EXYNOS_HASH is enabled in
> Kconfig.
>
> - Add new copyright line and new author.
>
> - Tested on Odroid-U3 with Exynos 4412 CPU, kernel 4.13-rc6
> with crypto run-time self test testmgr
> and with tcrypt module with: modprobe tcrypt sec=1 mode=N
> where N=402, 403, 404 (MD5, SHA1, SHA256).
>
> Modifications in drivers/crypto/Kconfig:
>
> - Add new CRYPTO_DEV_EXYNOS_HASH, depend on !EXYNOS_RNG
> and CRYPTO_DEV_S5P
>
> - Select sw algorithms MD5, SHA1 and SHA256 in EXYNOS_HASH
> as they are needed for fallback.
>
> Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> Signed-off-by: Kamil Konieczny <k.konieczny@xxxxxxxxxxxxxxxxxxx>
> ---

I won't linger this time :)

Please feel free to add

Acked-by: Vladimir Zapolskiy <vz@xxxxxxxxx>

--
With best wishes,
Vladimir