linux-kernel - Re: [PATCH v3 1/4] iio: light: cm3605: Make use of the helper function dev_err

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Date:   Wed, 13 Oct 2021 01:45:47 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Cai Huoqing <caihuoqing@...du.com>
Cc:     Kevin Tsai <ktsai@...ellamicro.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        linux-iio <linux-iio@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/4] iio: light: cm3605: Make use of the helper
 function dev_err_probe()

On Fri, Oct 8, 2021 at 11:27 AM Cai Huoqing <caihuoqing@...du.com> wrote:

> When possible use dev_err_probe help to properly deal with the
> PROBE_DEFER error, the benefit is that DEFER issue will be logged
> in the devices_deferred debugfs file.
> Using dev_err_probe() can reduce code size, and the error value
> gets printed.
>
> Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
> ---
> v2->v3:
>         *Handle platform_get_irq() that returns -EPROBE_DEFER.
>         *Handle the lack of availability of an IIO channel
>          by converting an -ENODEV to an -EPROBE_DEFER.

This looks good to me!
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij