Re: [PATCH] MIPS: boot/compressed: Copy DTB to aligned address

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Hi Rob,

Le mer. 3 mars 2021 à 14:37, Rob Herring <robh@xxxxxxxxxx> a écrit :
On Wed, Mar 3, 2021 at 1:33 PM Paul Cercueil <paul@xxxxxxxxxxxxxxx> wrote:

 Since 5.12-rc1, the Device Tree blob must now be properly aligned.

I had checked the other built-in cases as microblaze broke too, but
missed some of the many ways MIPS can have a dtb. Appended and
built-in DTBs were supposed to be temporary. :(

Actually I'm glad these options are here, they make debugging much easier, when working on new SoCs.

-Paul

Therefore, the decompress routine must be careful to copy the blob at
 the next aligned address after the kernel image.

This commit fixes the kernel sometimes not booting with a Device Tree
 blob appended to it.

Fixes: c4d5e638d6e9 ("scripts/dtc: Update to upstream version v1.6.0-51-g183df9e9c2b9")
 Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
 ---
  arch/mips/boot/compressed/decompress.c | 8 ++++++++
  arch/mips/kernel/vmlinux.lds.S         | 2 ++
  2 files changed, 10 insertions(+)

Acked-by: Rob Herring <robh@xxxxxxxxxx>





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