linux-kernel - Re: [PATCH 1/6] Revert "regulator: core: Handle full constraints systems when resolving supplies"

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Message-ID: <20150930192613.GA15635@sirena.org.uk>
Date:	Wed, 30 Sep 2015 20:26:13 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Sascha Hauer <s.hauer@...gutronix.de>
Cc:	linux-kernel@...r.kernel.org, Liam Girdwood <lgirdwood@...il.com>,
	kernel@...gutronix.de, alkml@...gutronix.de
Subject: Re: [PATCH 1/6] Revert "regulator: core: Handle full constraints
 systems when resolving supplies"

On Wed, Sep 30, 2015 at 08:48:12PM +0200, Sascha Hauer wrote:

> During boot the fsl,imx6q-gpc is probed and tries to get its regulator.
> fsl,anatop-regulator is already registered, the dlg,da9063 is not.  The
> call to regulator_get tries to resolve the supply using
> regulator_resolve_supply. regulator_resolve_supply then calls
> regulator_dev_lookup which returns NULL because the supply (vddsoc_reg)
> is specified in the device tree but not yet present. &ret is correctly
> filled with -EPROBE_DEFER in this case, but this is ignored. Instead due
> to 9f7e25edb157 the dummy regulator is used. This case worked before
> 9f7e25edb157.

Ah, I see - yes that's a bug.  Untested patch incoming, let me know if
that works.

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