Re: [PATCH] regulator: stub out devm_regulator_get_exclusive

[Mark Brown]

On Fri, Oct 24, 2014 at 05:57:24PM -0400, Rob Clark wrote:

> Oh, you are only looking at the one in mdp4_kms_init(), which could
> possibly be a simple regulator_get().  Look instead at the ones in
> hdmi_init(), where I need to know whether to defer or not.  At one

No, I saw that - looking at the code in hdmi_init() it's using normal
devm_regulator_get() correctly (it appears to be open coding
devm_regulator_bulk_get() and likewise for the enables and disables but
that's a lot less serious).  I can't see anything actively broken with
that code other than the error handling on failed enable.

> point I was having a problem getting dummy regulators with
> regulator_get() but that could have been a symptom of another problem.
> I will re-try regulator_get() next time I am working on the kernel
> part of the driver..

It's a bug elsewhere, if you are getting a dummy regulator on a DT
system it means that you don't have a regulator set up for that supply
so the core is just assuming that it's always on.

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