linux-kernel - Re: [PATCH v2 37/66] media: sun6i-csi: Move power management to runtime pm in capture

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Message-ID: <YgqftcDgfrsZfTdF@paasikivi.fi.intel.com>
Date:   Mon, 14 Feb 2022 20:30:13 +0200
From:   Sakari Ailus <sakari.ailus@...ux.intel.com>
To:     Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Cc:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org,
        linux-clk@...r.kernel.org, linux-staging@...ts.linux.dev,
        Yong Deng <yong.deng@...ewell.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Helen Koike <helen.koike@...labora.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v2 37/66] media: sun6i-csi: Move power management to
 runtime pm in capture

Hi Paul,

On Sat, Feb 05, 2022 at 07:54:00PM +0100, Paul Kocialkowski wrote:
> Let's just enable the module when we start using it (at stream on)
> and benefit from runtime pm instead of enabling it at first open.
> 
> Also reorder the call to v4l2_pipeline_pm_get.
> 
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@...tlin.com>

Nice patch!

Do you still need v4l2_pipeline_pm_put()? Removing it would be a separate
patch of course.

-- 
Kind regards,

Sakari Ailus