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@xxxxxxxx> 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@xxxxxxxx>
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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