linux-kernel - Re: [PATCH v2 2/6] iio: light: stk3310: Implement vdd supply and power it off during suspend

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Date: Fri, 7 Jun 2024 10:19:16 -0400
From: Aren <aren@...cevolution.org>
To: Jonathan Cameron <jic23@...nel.org>
Cc: Lars-Peter Clausen <lars@...afoo.de>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>, 
	Jernej Skrabec <jernej.skrabec@...il.com>, Samuel Holland <samuel@...lland.org>, 
	Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
	Andy Shevchenko <andy.shevchenko@...il.com>, Ondrej Jirman <megi@....cz>, 
	Uwe Kleine-König <u.kleine-koenig@...gutronix.de>, linux-iio@...r.kernel.org, phone-devel@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev, 
	Willow Barraco <contact@...lowbarraco.fr>
Subject: Re: [PATCH v2 2/6] iio: light: stk3310: Implement vdd supply and
 power it off during suspend

On Sun, Apr 28, 2024 at 05:53:37PM GMT, Jonathan Cameron wrote:
> On Tue, 23 Apr 2024 18:33:05 -0400
> Aren Moynihan <aren@...cevolution.org> wrote:
> 
> > From: Ondrej Jirman <megi@....cz>
> > 
> > VDD power input can be used to completely power off the chip during
> > system suspend. Do so if available.
> > 
> > Signed-off-by: Ondrej Jirman <megi@....cz>
> > Signed-off-by: Aren Moynihan <aren@...cevolution.org>
> 
> Suggestions inline.  Key thing is take the whole thing devm_ managed
> and your life gets much easier.  It is mixing the two approaches that
> causes problems and often the best plan is to do everything in probe/remove
> with devm_ calls to do the cleanup for you.

Thank you for writing this up. I've been a bit distracted lately, but
I'm hoping to find some time to implement this in a new revision soon.

 - Aren