Messages in this thread | | | Date | Wed, 26 Aug 2020 19:42:53 +0100 | From | Mark Brown <> | Subject | Re: [PATCH] spi: spi-fsl-dspi: Add ACPI support |
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On Wed, Aug 26, 2020 at 09:33:38PM +0300, Vladimir Oltean wrote: > On Wed, Aug 26, 2020 at 05:55:52PM +0100, Mark Brown wrote: > > > On Wed, Aug 26, 2020 at 03:23:12PM +0100, Mark Brown wrote:
> > > Showing my ignorance here, but is there something equivalent to > > > of_machine_is_compatible() for ACPI?
> > The NXP0005 is the ACPI equivalent of a compatible (comprehensibility is > > not ACPI's forte) and they're tying driver data to it there.
> Where I was trying to get here is that we could have a single _HID for > the DSPI controller, and corroborate that with the ACPI equivalent of > of_machine_is_compatible("fsl,ls2085a") at driver probe time before > assigning the driver data.
Oh, there isn't an ACPI equivalent of that. DMI information doesn't capture anything useful about the chipset, only the system as a whole (assuming it's usefully filled). See for example
sound/soc/intel/common/soc-intel-quirks.h [unhandled content-type:application/pgp-signature] | |