[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <568FD733.8030601@osg.samsung.com>
Date: Fri, 8 Jan 2016 12:35:15 -0300
From: Javier Martinez Canillas <javier@....samsung.com>
To: Krzysztof Kozlowski <k.kozlowski@...sung.com>,
Kukjin Kim <kgene@...nel.org>,
Anand Moon <linux.amoon@...il.com>,
linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: tjakobi@...h.uni-bielefeld.de
Subject: Re: [PATCH 2/2] ARM: exynos_defconfig: Enable s5p-secss driver
Hello Krzysztof,
On 01/06/2016 11:15 PM, Krzysztof Kozlowski 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
I noticed that this is not enabled in multi_v7_defconfig.
Are you planing to do it as well?
> CONFIG_ARM_CRYPTO=y
> CONFIG_CRYPTO_SHA1_ARM_NEON=m
> CONFIG_CRYPTO_SHA256_ARM=m
>
Reviewed-by: Javier Martinez Canillas <javier@....samsung.com>
Best regards,
--
Javier Martinez Canillas
Open Source Group
Samsung Research America
Powered by blists - more mailing lists