[PATCH] Makefile: let 'make clean' remove files created by DEVICE_TREE_DEBUG

[Marek Vasut]

On 6/12/26 8:19 AM, Rasmus Villemoes wrote:
> On Thu, Jun 11 2026, "Marek Vasut" <marek.vasut at mailbox.org> wrote:
> 
>> On 6/11/26 4:08 PM, Rasmus Villemoes wrote:
>>> Originally, 'make DEVICE_TREE_DEBUG=1' only generated extra output on
>>> the console. But since 6cdd7597a2f ("kbuild: Produce diff between base
>>> DT and U-Boot augmented DT if DEVICE_TREE_DEBUG=1"), that has also
>>> left behind lots of files that clutter the repo and are hard to get
>>> rid of manually.
>>>
>>> Make sure that a 'make clean' will remove those files, and add them to
>>> .gitignore.
>>>
>>> Signed-off-by: Rasmus Villemoes <rv at rasmusvillemoes.dk>
>>> ---
>>>    .gitignore | 3 +++
>>>    Makefile   | 1 +
>>>    2 files changed, 4 insertions(+)
>>
>> This is nice, thank you.
>>
>>> diff --git a/.gitignore b/.gitignore
>>> index d57d3be0291..0e09715cc60 100644
>>> --- a/.gitignore
>>> +++ b/.gitignore
>>> @@ -16,6 +16,9 @@
>>>    *.dtb
>>>    *.dtbo
>>>    *.dtb.S
>>> +*.dtb.clean.dts
>>> +*.dtb.diff
>>> +*.dtb.full.dts
>> Would it make sense to simply change this to *.dtb.* ? Or do you think
>> that is too much ?
> 
> I think I'm leaning on the explicit mention of each suffix. Had there
> already been a *.dtb.* pattern, I would probably not have noticed and
> thus not been prompted to amend the 'make clean' rule, so I think it's
> better that some potential future .dtb.foo artifact does show up in 'git
> status' as an untracked file. But this is certainly not a strong
> opinion, and I'd be fine either way.
I would be fine with .dts.foo showing up, but .dtb.foo are most likely 
build artifacts ?