linux-kernel - Re: [PATCH v4 02/11] media: cadence: csi2rx: Add external DPHY support

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Date:   Wed, 6 Oct 2021 23:19:04 +0300
From:   Sakari Ailus <sakari.ailus@...ux.intel.com>
To:     Pratyush Yadav <p.yadav@...com>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Nikhil Devshatwar <nikhil.nd@...com>,
        Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Benoit Parrot <bparrot@...com>,
        Maxime Ripard <mripard@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Niklas Söderlund 
        <niklas.soderlund+renesas@...natech.se>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org
Subject: Re: [PATCH v4 02/11] media: cadence: csi2rx: Add external DPHY
 support

Hi Pratyush,

On Wed, Sep 15, 2021 at 05:32:31PM +0530, Pratyush Yadav wrote:
> +	ret = phy_pm_runtime_get_sync(csi2rx->dphy);

Note that this will return 1 if the device was already resumed. That is not
an error.

> +	if (ret == -ENOTSUPP)
> +		got_pm = false;
> +	else if (ret)
> +		return ret;

-- 
Sakari Ailus