linux-kernel - Re: [PATCH 4/4] arm: dts: omap: Mark various register maps as dangerous

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Message-ID: <e775d0be-d4d8-429b-bfd1-05872f141832@kernel.org>
Date: Sat, 29 Nov 2025 16:26:19 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Richard Weinberger <richard@....at>, linux-kernel@...r.kernel.org
Cc: linux-omap@...r.kernel.org, devicetree@...r.kernel.org, arnd@...db.de,
 lee@...nel.org, dakr@...nel.org, rafael@...nel.org,
 gregkh@...uxfoundation.org, broonie@...nel.org, tony@...mide.com,
 rogerq@...nel.org, khilman@...libre.com, andreas@...nade.info,
 aaro.koskinen@....fi, conor+dt@...nel.org, krzk+dt@...nel.org,
 robh@...nel.org
Subject: Re: [PATCH 4/4] arm: dts: omap: Mark various register maps as
 dangerous

On 29/11/2025 15:20, Richard Weinberger wrote:
> index 711ce4c31bb1f..1b1f31608d37e 100644
> --- a/arch/arm/boot/dts/ti/omap/dra7.dtsi
> +++ b/arch/arm/boot/dts/ti/omap/dra7.dtsi
> @@ -359,6 +359,7 @@ bandgap: bandgap@...021e0 {
>  		dsp1_system: dsp_system@...00000 {
>  			compatible = "syscon";

Oh, no no, sorry, but buggy/incomplete/legacy DT is not an excuse for
new properties. You cannot have such compatible alone in the first place.

>  			reg = <0x40d00000 0x100>;
> +			has-inaccessible-regs;
>  		};




Best regards,
Krzysztof