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

[Andreas Kemnade]

On Sat, 29 Nov 2025 16:35:31 +0100 (CET)
Richard Weinberger <richard@xxxxxx> wrote:

> ----- Ursprüngliche Mail -----
> > Von: "Krzysztof Kozlowski" <krzk@xxxxxxxxxx>
> > An: "richard" <richard@xxxxxx>, "linux-kernel" <linux-kernel@xxxxxxxxxxxxxxx>
> > CC: "linux-omap" <linux-omap@xxxxxxxxxxxxxxx>, "devicetree" <devicetree@xxxxxxxxxxxxxxx>, "Arnd Bergmann"
> > <arnd@xxxxxxxx>, "Lee Jones" <lee@xxxxxxxxxx>, "dakr" <dakr@xxxxxxxxxx>, "Rafael J. Wysocki" <rafael@xxxxxxxxxx>, "Greg
> > Kroah-Hartman" <gregkh@xxxxxxxxxxxxxxxxxxx>, "Mark Brown" <broonie@xxxxxxxxxx>, "tony" <tony@xxxxxxxxxxx>, "rogerq"
> > <rogerq@xxxxxxxxxx>, "khilman" <khilman@xxxxxxxxxxxx>, "Andreas Kemnade" <andreas@xxxxxxxxxxxx>, "aaro koskinen"
> > <aaro.koskinen@xxxxxx>, "Conor Dooley" <conor+dt@xxxxxxxxxx>, "Krzysztof Kozlowski" <krzk+dt@xxxxxxxxxx>, "robh"
> > <robh@xxxxxxxxxx>
> > Gesendet: Samstag, 29. November 2025 16:26:19
> > Betreff: 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@4a0021e0 {
> >>  		dsp1_system: dsp_system@40d00000 {
> >>  			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.  
> 
> Okay, I didn't know that the OMAP DT is in that bad shape.
> Is somebody working on a solution?
> 
well, it is an arduous work, piece by piece work. But things are getting better
slowly. I convert bindings from time to time, mostly the ones
needed by omap3-5 parts, not the active am3/5 parts.

compare
https://gitlab.com/robherring/linux-dt/-/jobs/5620809910#L5618

to the newer
https://gitlab.com/robherring/linux-dt/-/jobs/12112550529#L5156


Regards,
Andreas