linux-kernel - Re: [PATCH v3 4/8] soc: renesas: rzn1: Select PM and PM_GENERIC

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Message-ID: <CAMuHMdWmcBXRxZ_SDLCnimh7GqzkR0_qz178s51EtXsMm39ddg@mail.gmail.com>
Date:   Wed, 27 Apr 2022 16:58:07 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Herve Codina <herve.codina@...tlin.com>
Cc:     Marek Vasut <marek.vasut+renesas@...il.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Rob Herring <robh@...nel.org>,
        linux-pci <linux-pci@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Sergey Shtylyov <s.shtylyov@....ru>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Clement Leger <clement.leger@...tlin.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>
Subject: Re: [PATCH v3 4/8] soc: renesas: rzn1: Select PM and
 PM_GENERIC_DOMAINS configs

On Fri, Apr 22, 2022 at 2:09 PM Herve Codina <herve.codina@...tlin.com> wrote:
> PM and PM_GENERIC_DOMAINS configs are required for RZ/N1 SOCs.
> Without these configs, the clocks used by the PCI bridge are not
> enabled and so accessing the devices leads to a kernel crash:
>   [    0.832958] Unhandled fault: external abort on non-linefetch (0x1008) at 0x90b5f848
>
> Select PM and PM_GENERIC_DOMAINS for ARCH_RZN1
>
> Signed-off-by: Herve Codina <herve.codina@...tlin.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
i.e. will queue in renesas-devel for v5.19.

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