On Mon, Mar 03, 2014 at 10:56:16AM +0900, Mark Brown wrote:
<snip>
> > + np = of_node_get(pdev->dev.parent->of_node);
> > + if (!np)
> > + return 0;
> > +
> > + regulators = of_find_node_by_name(np, "regulators");
> > + if (!regulators) {
> > + dev_err(&pdev->dev, "regulators node not found\n");
> > + return -EINVAL;
> > + }
>
> The driver should be able to start up with no configuration provided at
> all except for the device being registered - the user won't be able to
> change anything but they will be able to read the current state of the
> hardware which can be useful for diagnostics.
If the device is DT enabled and no configuration is provided for
regulators, these are disabled according to:
http://lxr.linux.no/linux+v3.13.5/drivers/regulator/core.c#L3797
Am I missing something or do you have any pointer?
Thanks,
--
Carlo Caione
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