From: Vinod Koul <vkoul@kernel.org>
To: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Anson Huang <Anson.Huang@nxp.com>, Arnd Bergmann <arnd@arndb.de>,
Catalin Marinas <catalin.marinas@arm.com>,
linux-kernel@vger.kernel.org, Maxime Ripard <mripard@kernel.org>,
Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>,
Dinh Nguyen <dinguyen@kernel.org>,
Jagan Teki <jagan@amarulasolutions.com>,
linux-arm-msm@vger.kernel.org, Olof Johansson <olof@lixom.net>,
Shawn Guo <shawnguo@kernel.org>,
Leonard Crestez <leonard.crestez@nxp.com>,
Will Deacon <will@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] arm64: defconfig: Enable Qualcomm pseudo rng
Date: Wed, 16 Oct 2019 13:36:07 +0530 [thread overview]
Message-ID: <20191016080607.GH2654@vkoul-mobl> (raw)
In-Reply-To: <20191011235035.374569-1-bjorn.andersson@linaro.org>
On 11-10-19, 16:50, Bjorn Andersson wrote:
> Most Qualcomm platforms contain a pseudo random number generator
> hardware block. Enable the driver for this block.
This enabled and loads the driver, but doesn't enable the usage.
We also need CONFIG_CRYPTO_RNG2 but that gets selected so that part is
fine. For userspace we need CONFIG_CRYPTO_USER_API_RNG to be added so
that kernel exports interface to users. So can you add that as well.
Thanks
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
> arch/arm64/configs/defconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index a5953b0b382d..688c8f200034 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -855,6 +855,7 @@ CONFIG_NLS_ISO8859_1=y
> CONFIG_SECURITY=y
> CONFIG_CRYPTO_ECHAINIV=y
> CONFIG_CRYPTO_ANSI_CPRNG=y
> +CONFIG_CRYPTO_DEV_QCOM_RNG=m
> CONFIG_DMA_CMA=y
> CONFIG_CMA_SIZE_MBYTES=32
> CONFIG_PRINTK_TIME=y
> --
> 2.23.0
--
~Vinod
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
prev parent reply other threads:[~2019-10-16 8:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-11 23:50 [PATCH] arm64: defconfig: Enable Qualcomm pseudo rng Bjorn Andersson
2019-10-16 8:06 ` Vinod Koul [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20191016080607.GH2654@vkoul-mobl \
--to=vkoul@kernel.org \
--cc=Anson.Huang@nxp.com \
--cc=arnd@arndb.de \
--cc=bjorn.andersson@linaro.org \
--cc=catalin.marinas@arm.com \
--cc=dinguyen@kernel.org \
--cc=jagan@amarulasolutions.com \
--cc=leonard.crestez@nxp.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=marcin.juszkiewicz@linaro.org \
--cc=mripard@kernel.org \
--cc=olof@lixom.net \
--cc=shawnguo@kernel.org \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox