linux-kernel - Re: [PATCH 2/2] ARM: exynos_defconfig: Enable s5p-secss driver

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Date:	Thu, 7 Jan 2016 22:42:24 +0530
From:	Anand Moon <linux.amoon@...il.com>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc:	Kukjin Kim <kgene@...nel.org>,
	Javier Martinez Canillas <javier@....samsung.com>,
	linux-arm-kernel@...ts.infradead.org,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Tobias Jakobi <tjakobi@...h.uni-bielefeld.de>
Subject: Re: [PATCH 2/2] ARM: exynos_defconfig: Enable s5p-secss driver

Hi Krzysztof,

On 7 January 2016 at 07:45, Krzysztof Kozlowski <k.kozlowski@...sung.com> wrote:
> The Exynos SoC provides a Security SubSystem block for accelerating some
> cryptographic operations. Enable the driver for it - s5p-secss to
> utilize the hardware acceleration.
>
> Currently the s5p-secss driver supports AES in CBC and ECB modes.
> However on Odroid XU4 (Exynos5422) and Trats2 (Exynos4412) boards this
> change introduces one booting error:
>
>         alg: skcipher: encryption failed on chunk test 1 for ecb-aes-s5p: ret=22
>
> The cbc-aes-s5p properly registers itself and passes self-tests.
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> ---
>  arch/arm/configs/exynos_defconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
> index 0aee1e035be9..c47c7e069873 100644
> --- a/arch/arm/configs/exynos_defconfig
> +++ b/arch/arm/configs/exynos_defconfig
> @@ -240,6 +240,7 @@ CONFIG_DEBUG_RT_MUTEXES=y
>  CONFIG_DEBUG_SPINLOCK=y
>  CONFIG_DEBUG_MUTEXES=y
>  CONFIG_DEBUG_USER=y
> +CONFIG_CRYPTO_DEV_S5P=y
>  CONFIG_ARM_CRYPTO=y
>  CONFIG_CRYPTO_SHA1_ARM_NEON=m
>  CONFIG_CRYPTO_SHA256_ARM=m
> --
> 1.9.1
>

Reviewed-by: Anand Moon <linux.amoon@...il.com>

Best Regards,
-Anand Moon
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