linux-kernel - Re: [PATCH 1/3] ARM: dts: imx6ulz-bsh-smm-m2: Enable hardware rng

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Message-ID: <20250516040422.GB28759@nxa18884-linux>
Date: Fri, 16 May 2025 12:04:22 +0800
From: Peng Fan <peng.fan@....nxp.com>
To: Dario Binacchi <dario.binacchi@...rulasolutions.com>
Cc: linux-kernel@...r.kernel.org, linux-amarula@...rulasolutions.com,
	Leonhard Hesse <leonhard.hesse@...g.com>,
	Conor Dooley <conor+dt@...nel.org>,
	Fabio Estevam <festevam@...il.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Rob Herring <robh@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Shawn Guo <shawnguo@...nel.org>, devicetree@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/3] ARM: dts: imx6ulz-bsh-smm-m2: Enable hardware rng

On Wed, May 14, 2025 at 09:05:33AM +0200, Dario Binacchi wrote:
>From: Leonhard Hesse <leonhard.hesse@...g.com>
>
>Hardware random number generator is now used for cryptography.
>
>Signed-off-by: Leonhard Hesse <leonhard.hesse@...g.com>
>Signed-off-by: Dario Binacchi <dario.binacchi@...rulasolutions.com>
>---
>
> arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts | 4 ++++
> 1 file changed, 4 insertions(+)
>
>diff --git a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts b/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts
>index 6159ed70d966..5c32d1e3675c 100644
>--- a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts
>+++ b/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts
>@@ -29,6 +29,10 @@ &gpmi {
> 	status = "okay";
> };
> 
>+&rngb {
>+	status = "okay";
>+};

In arch/arm/boot/dts/nxp/imx/imx6ull.dtsi, this node is default okay,
is there a need to set status okay here?

Regards,
Peng

>+
> &snvs_poweroff {
> 	status = "okay";
> };
>-- 
>2.43.0
>
>base-commit: e9565e23cd89d4d5cd4388f8742130be1d6f182d
>branch: bsh-202505-imx6ulz_smm_m2