From: Mark Brown <broonie@kernel.org>
To: Fabien Parent <fparent@baylibre.com>
Cc: DTML <devicetree@vger.kernel.org>, Rob Herring <robh@kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
lgirdwood@gmail.com, Rob Herring <robh+dt@kernel.org>,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@lists.infradead.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v5 1/2] dt-bindings: regulator: add support for MT6392
Date: Wed, 28 Oct 2020 12:32:58 +0000 [thread overview]
Message-ID: <20201028123258.GA6302@sirena.org.uk> (raw)
In-Reply-To: <CAOwMV_xUWea81rKFE=zD4xWL3rZ5G8cpWm5xJHT_AX=_frLDRQ@mail.gmail.com>
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On Tue, Oct 27, 2020 at 10:16:22PM +0100, Fabien Parent wrote:
> You are correct, the regulator driver is running and probes
> successfully. From my investigation it seems the failure when removing
> the compatible string from the MFD and the DTS is because the
> regulator driver does not have a of_node matched since the compatible
> is gone. Because of that all the regulators registered by the driver
> are not linked to the regulator definitions in the device tree. And
> all the drivers that tries to acquire a regulator get -EPROBE_DEFER
> because of it.
You should be using the of_node from the parent device to find the
regulators set, look at how other drivers do this.
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next prev parent reply other threads:[~2020-10-28 12:33 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-24 20:03 [PATCH v5 1/2] dt-bindings: regulator: add support for MT6392 Fabien Parent
2020-10-24 20:03 ` [PATCH v5 2/2] regulator: mt6392: Add support for MT6392 regulator Fabien Parent
2020-10-26 12:13 ` [PATCH v5 1/2] dt-bindings: regulator: add support for MT6392 Mark Brown
2020-10-26 17:18 ` Fabien Parent
2020-10-26 17:24 ` Mark Brown
2020-10-26 18:38 ` Fabien Parent
2020-10-26 20:36 ` Mark Brown
2020-10-27 21:16 ` Fabien Parent
2020-10-28 12:32 ` Mark Brown [this message]
2020-10-28 13:14 ` Fabien Parent
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