Re: [PATCH v4 1/3] regulator: Add of_regulator_bulk_get_all

Russell King (Oracle)
2022-11-15T11:39:04Z

On Tue, Nov 15, 2022 at 11:16:53AM +0000, Mark Brown wrote:
> On Tue, Nov 15, 2022 at 10:42:50AM +0000, Russell King (Oracle) wrote:
> > On Tue, Nov 15, 2022 at 10:34:41AM +0000, Mark Brown wrote:
>
> > > Well, it's not making this maintainer happy :/ If we know what
> > > PHY is there why not just look up the set of supplies based on
> > > the compatible of the PHY?
>
> > It looks to me like this series fetches the regulators before the PHY
> > is bound to the driver, so what you're proposing would mean that the
> > core PHY code would need a table of all compatibles (which is pretty
> > hard to do, they encode the vendor/device ID, not some descriptive
> > name) and then a list of the regulator names. IMHO that doesn't scale.
>
> Oh, PHYs have interesting enough drivers to dynamically load
> here? The last time I was looking at MDIO stuff it was all
> running from generic class devices but that was quite a while
> ago.

There's a couple of generic drivers which are used if there isn't a
specific driver available for the vendor/device ID that has either
been probed from the hardware, or discovered encoded in the firmware's
compatible property.

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