Re: [PATCH] regulator: twl: Enable regulators over the powerbus as well

From	Mark Brown <broonie@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH] regulator: twl: Enable regulators over the powerbus as well
Date	2016-03-25 19:30 +0100
Message-ID	<rgEEG-5Pe-11@gated-at.bofh.it> (permalink)
References	(4 earlier) <rgCCR-4l1-3@gated-at.bofh.it> <rgCMy-4r7-15@gated-at.bofh.it> <rgDfB-4BH-29@gated-at.bofh.it> <rgDph-4Wl-25@gated-at.bofh.it> <rgDID-55j-23@gated-at.bofh.it>
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On Fri, Mar 25, 2016 at 07:22:45PM +0200, Ivaylo Dimitrov wrote:

> On Nokia N900 regulators are left in the mode last set by the bootloader or
> by the stock kernel, depends on whether it is power-on or reboot from stock
> kernel to mainline. That leads to problem with devices connected to vmmc2
> regulator - when the device is rebooted from stock kernel vmmc2 is left in
> "sleep" mode (REGULATOR_STATUS_STANDBY in terms of regulator framework) and
> as noone in mainline kernel switches vmmc2 regulator to normal
> (REGULATOR_STATUS_NORMAL) mode, devices supplied by it does not get enough
> power to operate normally.

Then there is a constraint that the regulators must be in normal mode
and this needs to be expressed in the machine constraints.

Thread

[PATCH] regulator: twl: Enable regulators over the powerbus as well Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com> - 2016-03-23 20:30 +0100
  Re: [PATCH] regulator: twl: Enable regulators over the powerbus as  well Mark Brown <broonie@kernel.org> - 2016-03-25 12:20 +0100
    Re: [PATCH] regulator: twl: Enable regulators over the powerbus as  well Sebastian Reichel <sre@kernel.org> - 2016-03-25 16:10 +0100
      Re: [PATCH] regulator: twl: Enable regulators over the powerbus as  well Mark Brown <broonie@kernel.org> - 2016-03-25 17:00 +0100
        Re: [PATCH] regulator: twl: Enable regulators over the powerbus as  well Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com> - 2016-03-25 17:20 +0100
          Re: [PATCH] regulator: twl: Enable regulators over the powerbus as  well Mark Brown <broonie@kernel.org> - 2016-03-25 17:30 +0100
            Re: [PATCH] regulator: twl: Enable regulators over the powerbus as  well Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com> - 2016-03-25 18:00 +0100
              Re: [PATCH] regulator: twl: Enable regulators over the powerbus as  well Mark Brown <broonie@kernel.org> - 2016-03-25 18:10 +0100
                Re: [PATCH] regulator: twl: Enable regulators over the powerbus as  well Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com> - 2016-03-25 18:30 +0100
                Re: [PATCH] regulator: twl: Enable regulators over the powerbus as  well Mark Brown <broonie@kernel.org> - 2016-03-25 19:30 +0100
                Re: [PATCH] regulator: twl: Enable regulators over the powerbus as  well Sebastian Reichel <sre@kernel.org> - 2016-03-25 21:20 +0100
                Re: [PATCH] regulator: twl: Enable regulators over the powerbus as  well Mark Brown <broonie@kernel.org> - 2016-03-25 23:30 +0100
                Re: [PATCH] regulator: twl: Enable regulators over the powerbus as  well Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com> - 2016-03-26 07:20 +0100
        Re: [PATCH] regulator: twl: Enable regulators over the powerbus as  well Sebastian Reichel <sre@kernel.org> - 2016-03-25 17:50 +0100
          Re: [PATCH] regulator: twl: Enable regulators over the powerbus as  well Mark Brown <broonie@kernel.org> - 2016-03-25 18:30 +0100

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