linux-kernel - Re: [PATCH 2/2] dt-bindings: clock: update rk3588 clock definitions

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Date:   Sun, 26 Mar 2023 18:51:29 +0100
From:   Shane Francis <bigbeeshane@...il.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        heiko@...ech.de, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] dt-bindings: clock: update rk3588 clock definitions

> Bootloader also does not use mainline DTS, so where is exactly the problem?

In this case uboot does load the target DTB, and it seems a common
function in rockchips
downstream boot process, see :

https://github.com/rockchip-linux/u-boot/blob/ef1dd650042f61915c4859ecc94623a09a3529fa/arch/arm/mach-rockchip/kernel_dtb.c#L70

It's a pretty nasty process, but unfortunately some devices will be
stuck with it I guess, and in
those cases they will have issues booting a mainline kernel.


Regards


On Sun, Mar 26, 2023 at 6:23 PM Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:
>
> On 26/03/2023 18:59, Shane Francis wrote:
> > Hi Krzysztof
> >
> >
> >> So mention this in the commit msg.
> >
> >> Then commit msg should also mention it.
> >
> > Sorry for not expanding on this more in the initial commit message, I will
> > expand on this in the next patch set.
> >
> > However I think in general for most modern platforms it can be assumed
> > that replacing the bootloader is not always something that is achievable
> > for one reason or another
>
> Bootloader also does not use mainline DTS, so where is exactly the problem?
>
> Best regards,
> Krzysztof
>