Re: [PATCH 0/7] gpio: move ppc4xx driver to drivers/gpio and modernize

[Madhavan Srinivasan <maddy@linux.ibm.com>]

On 6/9/26 3:50 AM, Rosen Penev wrote:
> On Mon, Jun 8, 2026 at 3:10 PM Linus Walleij <linusw@kernel.org> wrote:
>> Hi Rosen,
>>
>> On Tue, Jun 2, 2026 at 7:01 AM Rosen Penev <rosenp@gmail.com> wrote:
>>
>>> This series moves the ppc4xx GPIO driver from arch/powerpc to
>>> drivers/gpio, converts it to be a proper platform driver using
>>> generic MMIO helpers, drops architecture-specific accessors, and
>>> prepares it for module build and COMPILE_TEST.
>>>
>>> Patches 1-4 move the driver and convert it to standard platform
>>> driver infrastructure. Patch 5 switches to generic MMIO helpers.
>>> Patch 6 drops PPC-specific IO accessors and enables COMPILE_TEST.
>>> Patch 7 adds the missing MODULE metadata so the driver can actually
>>> be built as a module.
>>>
>>> Rosen Penev (7):
>>>    gpio: move ppc4xx gpio driver from arch/powerpc to drivers/gpio
>>>    gpio: ppc44x: Use module platform driver helper for GPIO
>>>    gpio: ppc44x: Set GPIO chip firmware node
>>>    gpio: ppc44x: Use platform resource helper for GPIO MMIO
>>>    gpio: ppc44x: Convert GPIO to generic MMIO
>>>    gpio: ppc44x: drop PPC-specific IO helpers and rename to ppc44x
>>>    gpio: ppc44x: add MODULE info
>> Overall a very nice patch series and happy to see that AI can
>> assist with this kind of refactoring!
>>
>> I guess we should provide some slack so someone from the PPC
>> camp can test it, and if they don't test it, then it is abandoned and
>> we should then just apply it anyway.
> Hmm? I have the hardware. It works fine.
Honestly I dont have the hardware to test this,
but thanks for the confirming, i will pull this for the next merge.

Maddy
>> The series:
>> Reviewed-by: Linus Walleij <linusw@kernel.org>
>>
>> Yours,
>> Linus Walleij