linux-kernel - Re: [PATCH v2 1/9] iio: adc: ab8500-gpadc: Make use of the helper function dev_err

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Date:   Tue, 28 Sep 2021 15:47:14 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Cai Huoqing <caihuoqing@...du.com>
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Vladimir Zapolskiy <vz@...ia.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-iio <linux-iio@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "open list:ARM/Amlogic Meson..." <linux-amlogic@...ts.infradead.org>,
        MSM <linux-arm-msm@...r.kernel.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>
Subject: Re: [PATCH v2 1/9] iio: adc: ab8500-gpadc: Make use of the helper
 function dev_err_probe()

On Tue, Sep 28, 2021 at 3:36 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>
> ---
> v1->v2: Remove the separate line of PTR_ERR().

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij