From: Mark Brown <broonie@kernel.org>
To: Hans de Goede <hdegoede@redhat.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>,
Maxime Ripard <maxime.ripard@free-electrons.com>,
Chen-Yu Tsai <wens@csie.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/2] regulator: core: Allow use of "status = disabled" in regulator dts nodes
Date: Wed, 27 Apr 2016 15:24:32 +0100 [thread overview]
Message-ID: <20160427142432.GR3217@sirena.org.uk> (raw)
In-Reply-To: <1461765825-15915-2-git-send-email-hdegoede@redhat.com>
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On Wed, Apr 27, 2016 at 04:03:44PM +0200, Hans de Goede wrote:
> So if we want to use these pins as gpio pins we must not register
> a regulator for these pins at all, otherwise any gpio use (switching
> to input, or writing a value) gets undone when the regulator subsys
> disables unused regulators at the end of kernel-init.
The regulator API should not touch any regulators that it doesn't have
permission to change the state for. All other regulators are strictly
read only.
> This commits allows the use of "status = disabled" in regulator dts
> nodes and makes regulator_register return ENODEV when this is set.
If the regulator can't be changed why is it in the DT in the first
place?
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next prev parent reply other threads:[~2016-04-27 14:24 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-27 14:03 [PATCH resend 0/2] " Hans de Goede
2016-04-27 14:03 ` [PATCH 1/2] " Hans de Goede
2016-04-27 14:24 ` Mark Brown [this message]
2016-04-27 14:31 ` Hans de Goede
2016-04-27 14:37 ` Mark Brown
2016-04-27 14:40 ` Hans de Goede
2016-04-27 15:01 ` Mark Brown
2016-04-27 15:50 ` Maxime Ripard
2016-04-27 15:52 ` Hans de Goede
2016-04-27 15:54 ` Hans de Goede
2016-04-27 16:32 ` Mark Brown
2016-04-27 14:03 ` [PATCH 2/2] regulator: axp20x: Handle regulator_register returning ENODEV Hans de Goede
2016-04-27 14:25 ` Mark Brown
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