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SubjectRe: [PATCH 1/2] regulator: core: Allow use of "status = disabled" in regulator dts nodes
On Wed, Apr 27, 2016 at 04:31:02PM +0200, Hans de Goede wrote:
> On 27-04-16 16:24, Mark Brown wrote:

> >The regulator API should not touch any regulators that it doesn't have
> >permission to change the state for. All other regulators are strictly
> >read only.

> How do we give permission to change state ? Is omitting the dts node,
> and thus not returning a node / constrains from regulator_of_get_init_data
> enough for the regulator API to not have permission ?

Yes, omit the DT node or mark it always on at the minute.

> Is there any way to see this in sysfs ?

Not off the top of my head, but it's in debugfs.

> >If the regulator can't be changed why is it in the DT in the first
> >place?

> The regulator is part of the pmic and the axp20x regulator driver
> registers all regulators on the pmic when the pmic-s mfd instantiated
> regulators-platform-device gets probed.

That's the driver, that's not the DT. Drivers should always register
all the regulators in the device they're for.
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