linux-kernel - Re: [PATCH v1 1/4] leds: pwm-multicolor: Don't show -EPROBE

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Message-ID: <CAMuHMdU3q4W+azwo5sAUHfsL7Se9vGftHxRdmu1c5-j5fPrwow@mail.gmail.com>
Date:   Wed, 6 Jul 2022 09:30:32 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Emil Renner Berthing <emil.renner.berthing@...onical.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Pavel Machek <pavel@....cz>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Vincent Pelletier <plr.vincent@...il.com>,
        Bin Meng <bin.meng@...driver.com>,
        Aurelien Jarno <aurelien@...el32.net>,
        Ron Economos <w6rz@...cast.net>,
        Qiu Wenbo <qiuwenbo@...inos.com.cn>,
        Stephen L Arnold <nerdboy@...too.org>,
        Jianlong Huang <jianlong.huang@...rfivetech.com>,
        Mark Kettenis <kettenis@...nbsd.org>,
        Sven Schwermer <sven.schwermer@...ruptive-technologies.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        David Abdurachmanov <davidlt@...osinc.com>,
        linux-leds <linux-leds@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-riscv <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH v1 1/4] leds: pwm-multicolor: Don't show -EPROBE_DEFER as errors

On Tue, Jul 5, 2022 at 11:01 PM Emil Renner Berthing
<emil.renner.berthing@...onical.com> wrote:
> When requesting a PWM it might return -EPROBE_DEFER if it hasn't probed
> yet. This is not an error, so just propagate the -EPROBE_DEFER without
> logging anything. There is already dev_err_probe for exactly this
> situation.
>
> Fixes: 9fa2762110dd ("leds: Add PWM multicolor driver")
> Signed-off-by: Emil Renner Berthing <emil.renner.berthing@...onical.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds