linux-kernel - Re: [PATCH 1/1] regulator: max77802: set opmode to normal if off is read from hw

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Message-Id: <12F88867-EF9E-4BCA-9209-6879A39F3DEA@collabora.co.uk>
Date:	Thu, 28 Aug 2014 11:59:16 +0200
From:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
To:	Mark Brown <broonie@...nel.org>
Cc:	Javier Martinez Canillas <javier@...hile0.org>,
	Tomasz Figa <tomasz.figa@...il.com>,
	Doug Anderson <dianders@...omium.org>,
	Olof Johansson <olof@...om.net>,
	Yuvaraj Kumar C D <yuvaraj.cd@...il.com>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] regulator: max77802: set opmode to normal if off is read from hw

Hello Mark,

> On 28/08/2014, at 10:28, Mark Brown <broonie@...nel.org> wrote:
>> Yes, AFAIK the bootloader (none of them because Chromebooks use two
>> chained U-boots) change the regulators default opmode so once is set
>> to OFF on .disable, that value is preserved on warm reboot. This made
>> sense with the Chrome OS kernel since the kernel always set the opmode
>> defined in the "regulator-op-mode" DT property and did not relied on
>> the bootloader to set the most efficient default opmode.
> 
> I'm sorry but this is just really unclear.  Does the bootloader change
> the mode or does it not change the mode?

I meant that the boot loader *does not* change the mode and is Linux who change it, sorry for the confusion.

Best regards,
Javier--
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