Hi,
On 12/23/21 18:00, Hans de Goede wrote:
> Hi,
>
> On 12/21/21 19:15, Andy Shevchenko wrote:
>> There are a few users and at least one more is coming that would
>> like to utilize P2SB mechanism of hiding and unhiding a device from
>> the PCI configuration space.
>>
>> Here is the series to deduplicate existing users and provide
>> a generic way for new comers.
>>
>> It also includes a patch to enable GPIO controllers on Apollo Lake
>> when it's used with ABL bootloader w/o ACPI support.
>>
>> The patch that bring the helper ("platform/x86/intel: Add Primary
>> to Sideband (P2SB) bridge support") has a commit message that
>> sheds a light on what the P2SB is and why this is needed.
>>
>> Please, comment on the approach and individual patches.
>>
>> The changes made in v2 do not change the main idea and the functionality
>> in a big scale. What we need is probably one more (RE-)test done by Henning.
>> I hope to have it merged to v5.17-rc1 that Siemens can develop their changes
>> based on this series.
>>
>> I have tested this on Apollo Lake platform (I'm able to see SPI NOR and
>> since we have an ACPI device for GPIO I do not see any attempts to recreate
>> one).
>>
>> (Since it's cross subsystem, the PDx86 seems the main one and
>> I think it makes sense to route it throught it with immutable
>> tag or branch provided for the others).
>
> The series looks good to me:
>
> Acked-by: Hans de Goede <hdegoede@xxxxxxxxxx>
>
> For the series.
>
> Not sure if this is really 5.17 material this late in the cycle though,
> but lets wait and see what Bjorn and Lee have to say (patch 8/8 still
> needs an ack from Lee).
Correction I just realized that that would be 7/8 that needs an ack from
Lee and that 8/8 needs an ack from Wolfram.
> I'm fine with taking this upstream through the pdx86 tree, please
> prepare a pull-req for everyone involved with an immutable branch
> pushed to pdx86/platform-drivers-x86.git/
> based on 5.16-rc1 (if everyone is happy with merging this for 5.17) or
> based on 5.17-rc1 once that is out.
Regards,
Hans
