linux-kernel - Re: [PATCH] regulator: core: Handle probe deferral from DT when resolving supplies

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Message-ID: <20151001055157.GF7858@pengutronix.de>
Date:	Thu, 1 Oct 2015 07:51:57 +0200
From:	Sascha Hauer <s.hauer@...gutronix.de>
To:	Mark Brown <broonie@...nel.org>
Cc:	Liam Girdwood <lgirdwood@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] regulator: core: Handle probe deferral from DT when
 resolving supplies

On Wed, Sep 30, 2015 at 08:30:52PM +0100, Mark Brown wrote:
> When resolving regulator-regulator supplies we ignore probe deferral
> returns from regulator_dev_lookup() (such as are generated for DT when
> we can see a supply is registered) and just fall back to the dummy
> regulator if there are full constraints (as is the case for DT).  This
> means that probe deferral is broken for DT systems, fix that by paying
> attention to -EPROBE_DEFER return codes like we do -ENODEV.
> 
> A further patch will simplify this further, this is a minimal fix for
> the specific issue.
> 
> Reported-by: Sascha Hauer <s.hauer@...gutronix.de>
> Signed-off-by: Mark Brown <broonie@...nel.org>
> ---
> 
> Tested with my famous "I need to leave the house right now so haven't
> even tried building this yet" test plan - please let me know how this
> works for you.

Yes, this works as expected.

Tested-by: Sascha Hauer <s.hauer@...gutronix.de>

Sascha


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