Re: [PATCH] regulator: core: Don't link consumers on the same device
From: Mark Brown
Date: Mon Jul 09 2018 - 12:12:05 EST
On Mon, Jul 09, 2018 at 03:32:14PM +0200, Marek Szyprowski wrote:
> This patch doesn't help, because wm8994 creates separate struct device for
> each registered regulator, so you need to check the regulator parents too,
> see my fixes below in the patch.
Ugh, right - I'd not looked at enough of the context to see what was
being checked.
> I don't like such fixes for this specific case. It's not that uncommon
> that a complex device provides various functionalities used by its
> components, so it is not a bad design to use regulator provided by
> its parent/grandparent/other ancestor device.
> Frankly, either the device_is_dependent() function should be exported and
> used in regulator core or device_link_add() should have another flag:
> DL_FLAG_SKIP_DEPENDANT.
Or it should just make the warning optional at the core level.
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