linux-kernel - Re: [PATCH v5 1/3] hwmon: iio_hwmon: defer probe when no channel is found

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Date:   Thu, 8 Sep 2016 21:26:28 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Quentin Schulz <quentin.schulz@...e-electrons.com>,
        jdelvare@...e.com, jic23@...nel.org, knaack.h@....de,
        lars@...afoo.de, pmeerw@...erw.net,
        maxime.ripard@...e-electrons.com, wens@...e.org,
        lee.jones@...aro.org
Cc:     thomas.petazzoni@...e-electrons.com,
        antoine.tenart@...e-electrons.com, linux-kernel@...r.kernel.org,
        linux-hwmon@...r.kernel.org, linux-iio@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v5 1/3] hwmon: iio_hwmon: defer probe when no channel is
 found

On 09/08/2016 07:28 AM, Quentin Schulz wrote:
> iio_channel_get_all returns -ENODEV when it cannot find either phandles and
> properties in the Device Tree or channels whose consumer_dev_name matches
> iio_hwmon in iio_map_list. The iio_map_list is filled in by iio drivers
> which might be probed after iio_hwmon.
>
> It is better to defer the probe of iio_hwmon if such error is returned by
> iio_channel_get_all in order to let a chance to iio drivers to expose
> channels in iio_map_list.
>
> Signed-off-by: Quentin Schulz <quentin.schulz@...e-electrons.com>
> ---
>
> v5:
>  - patch re-inserted,
>
Grumble ... applied to -next anyway.

I'll direct any complaints your way ;-)

Guenter