linux-kernel - Re: [PATCH v3] of: overlay: log the error cause on resolver failure

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Message-ID: <CAMuHMdXNiZLmkLyuyvPCzdE9BdFoMDzKuGgAzRuPkv8jd2F4zg@mail.gmail.com>
Date:   Mon, 2 Mar 2020 17:06:21 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Luca Ceresoli <luca@...aceresoli.net>
Cc:     "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Pantelis Antoniou <pantelis.antoniou@...sulko.com>,
        Frank Rowand <frowand.list@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] of: overlay: log the error cause on resolver failure

On Fri, Feb 28, 2020 at 9:40 AM Luca Ceresoli <luca@...aceresoli.net> wrote:
> When a DT overlay has a node label that is not present in the live
> devicetree symbols table, this error is printed:
>
>   OF: resolver: overlay phandle fixup failed: -22
>   create_overlay: Failed to create overlay (err=-22)
>
> which does not help much in finding the node label that caused the problem
> and fix the overlay source.
>
> Add an error message with the name of the node label that caused the
> error. The new output is:
>
>   OF: resolver: node label 'gpio9' not found in live devicetree symbols table
>   OF: resolver: overlay phandle fixup failed: -22
>   create_overlay: Failed to create overlay (err=-22)
>
> Signed-off-by: Luca Ceresoli <luca@...aceresoli.net>

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