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SubjectRe: [PATCH -fixes] riscv: Fix BUILTIN_DTB for sifive and microchip soc
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Hi Arnd,

Le 4/06/2021 à 15:08, Arnd Bergmann a écrit :
> On Fri, Jun 4, 2021 at 2:06 PM Alexandre Ghiti <alex@ghiti.fr> wrote:
>>
>> Fix BUILTIN_DTB config which resulted in a dtb that was actually not built
>> into the Linux image: in the same manner as Canaan soc does, create an object
>> file from the dtb file that will get linked into the Linux image.
>>
>> Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
>
> Along the same lines as the comment that Jisheng Zhang made on the fixed
> address, building a dtb into the kernel itself fundamentally breaks generic
> kernel images.
>
> I can understand using it on K210, which is extremely limited and wouldn't
> run a generic kernel anyway, but for normal platforms like microchip and
> sifive, it would be better to disallow CONFIG_BUILTIN_DTB in Kconfig
> and require a non-broken boot loader.

I kind of disagree because if I want to build a custom kernel for those
platforms with a builtin dtb for some reasons (debug, development..Etc),
I think I should be able to do so.

>
> Arnd
>
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> linux-riscv@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-riscv
>

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