Re: [PATCH v8 3/3] HID: cp2112: Fwnode Support

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On Wed, Mar 08, 2023 at 06:30:46PM +0200, Andy Shevchenko wrote:
> On Wed, Mar 08, 2023 at 04:55:27PM +0100, Benjamin Tissoires wrote:
> > On Mar 08 2023, Daniel Kaehn wrote:
> > > On Wed, Mar 8, 2023 at 9:26 AM Benjamin Tissoires
> > > <benjamin.tissoires@xxxxxxxxxx> wrote:

...

> > 			ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
> > 			Package () {
> > 				Package () { "cell-names", Package () { "i2c", "gpio" }
> > 			}
> 
> Yeah, looking at this, I think it still fragile. First of all, either this is
> missing, or simply wrong. We would need to access indices. ACPI _ADR is in the
> specification. As much as with PCI it may be considered reliable.
> 
> So, that said, forget about it, and simply use _ADR as indicator of the node.
> See how MFD (in the Linux kernel) cares about this. Ex. Diolan DLN-2 driver.

And that said, maybe CP2112 should simply re-use what MFD _already_ provides?

-- 
With Best Regards,
Andy Shevchenko





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