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SubjectRe: [PATCH 01/38] ASoC: ak5558: drop of_match_ptr from of_device_id table
On Fri, Nov 20, 2020 at 08:04:29PM +0000, Mark Brown wrote:
> On Fri, Nov 20, 2020 at 08:42:45PM +0100, Krzysztof Kozlowski wrote:
> > On Fri, Nov 20, 2020 at 04:56:34PM +0000, Mark Brown wrote:
> > > It would be better to fix these by annotating the table as potentially
> > > unused, if nothing else it means if someone wants to add ACPI support
> > > (or it just works on their ACPI system with the plain old I2C ID) then
> > > they don't need to revert this change.
> > The point is after this patch - removal of of_match_ptr() - they will
> > already support the ACPI matching through the PRP0001.
> > Keeping of_match_ptr() and maybe_unused will prevent any ACPI re-usage
> > unless explicit ACPI table is added
> Surely if that's the desired outcome the fix is to change the definition
> of of_match_ptr() such that it leaves the reference with CONFIG_ACPI,
> perhaps hidden behind a config option for PRP0001? That seems better
> than going through the entire tree like this.

That could be indeed an easier way to achieve this.

+Cc Andy, Rafael,

I saw you were doing similar way as I did here [1] for the 698fffc2705c
("rtc: ds1307: Drop of_match_ptr and CONFIG_OF protections") with the
same reasoning as mine ("These prevent use of this driver with ACPI via

Do you have thoughts on Mark's proposal above (to change the


Best regards,

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