linux-kernel - Re: [PATCH V2 6/6] regulator: max77620: add regulator driver for max77620/max20024

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20160113123133.GK6588@sirena.org.uk>
Date:	Wed, 13 Jan 2016 12:31:33 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Laxman Dewangan <ldewangan@...dia.com>
Cc:	Krzysztof Kozlowski <k.kozlowski@...sung.com>, robh+dt@...nel.org,
	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	linus.walleij@...aro.org, gnurou@...il.com, lee.jones@...aro.org,
	a.zummo@...ertech.it, alexandre.belloni@...e-electrons.com,
	lgirdwood@...il.com, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
	rtc-linux@...glegroups.com, swarren@...dia.com, treding@...dia.com,
	Mallikarjun Kasoju <mkasoju@...dia.com>
Subject: Re: [PATCH V2 6/6] regulator: max77620: add regulator driver for
 max77620/max20024

On Wed, Jan 13, 2016 at 05:35:33PM +0530, Laxman Dewangan wrote:
> On Wednesday 13 January 2016 05:27 PM, Mark Brown wrote:

> >>Something below. This will do the pre configuration before
> >>regulator_register happena dn machine constraint sets.
> >>I can not use the init_data->regulator_init() as I need to have the init
> >>data passed to the driver.

> >Why do you have this requirement?

> This is require to
> - configure FPS_SRC based on platform data for each rail,
>     - If FPS_SRC enabled then enable it always.
>     - If FPS_SRC is disabled (NONE) then based on init data constraint,
>       set it to desired state.

What is FPS_SRC and why is it set from init_data?  A driver should never
be looking at init_data.

> - Power mode and slew rate init based on default configuration from the
> register if platform does not want to set it.

Same here, why is init_data needed here?

Download attachment "signature.asc" of type "application/pgp-signature" (474 bytes)