linux-kernel - Re: [PATCH v1 17/24] arch: arm64: dts: meson: a1: add crypto node

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <2fcf851c-a39a-4471-a705-6bfe9f4b975e@linaro.org>
Date: Thu, 11 Jan 2024 09:16:01 +0100
From: neil.armstrong@...aro.org
To: Alexey Romanov <avromanov@...utedevices.com>, narmstrong@...libre.com,
 clabbe@...libre.com, herbert@...dor.apana.org.au, davem@...emloft.net,
 robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
 khilman@...libre.com, jbrunet@...libre.com, artin.blumenstingl@...glemail.com
Cc: linux-crypto@...r.kernel.org, linux-amlogic@...ts.infradead.org,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, kernel@...utedevices.com
Subject: Re: [PATCH v1 17/24] arch: arm64: dts: meson: a1: add crypto node

On 10/01/2024 21:11, Alexey Romanov wrote:
> This patch adds a crypto node declaration. With the
> Amlogic crypto driver we can use HW implementation
> of SHA1/224/256 and AES algo.
> 
> Signed-off-by: Alexey Romanov <avromanov@...utedevices.com>
> ---
>   arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 8 ++++++++
>   1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
> index cf150f568335..879e0ce0b2ea 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
> @@ -653,6 +653,14 @@ sd_emmc: sd@...00 {
>   				power-domains = <&pwrc PWRC_SD_EMMC_ID>;
>   				status = "disabled";
>   			};
> +
> +			crypto: crypto@...0 {
> +				compatible = "amlogic,g12a-crypto";
> +				reg = <0x0 0x6000 0x0 0x48>;
> +				interrupts = <GIC_SPI 120 IRQ_TYPE_EDGE_RISING>;
> +				power-domains = <&pwrc PWRC_DMA_ID>;
> +				status = "disabled";

Why disabled ? Usually we always leave the embedded HW enabled by default.

The comment is valid for the other dtsi changes,

Neil

> +			};
>   		};
>   
>   		usb: usb@...04400 {