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Date:   Thu, 28 Apr 2022 11:25:26 +0200
From:   Herve Codina <herve.codina@bootlin.com>
To:     Geert Uytterhoeven <geert@linux-m68k.org>
Cc:     Marek Vasut <marek.vasut+renesas@gmail.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzk+dt@kernel.org>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Magnus Damm <magnus.damm@gmail.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        Krzysztof =?UTF-8?B?V2lsY3p5xYRza2k=?= <kw@linux.com>,
        Rob Herring <robh@kernel.org>,
        linux-pci <linux-pci@vger.kernel.org>,
        Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
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        Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
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        Miquel Raynal <miquel.raynal@bootlin.com>
Subject: Re: [PATCH v3 4/8] soc: renesas: rzn1: Select PM and
 PM_GENERIC_DOMAINS configs
Message-ID: <20220428112526.3b55555b@bootlin.com>
In-Reply-To: <CAMuHMdUf6M=ESvSnRoqYkBfvizW-tBzTwUX2Uka-FOGvLFzL=w@mail.gmail.com>
References: <20220422120850.769480-1-herve.codina@bootlin.com>
        <20220422120850.769480-5-herve.codina@bootlin.com>
        <CAMuHMdWmcBXRxZ_SDLCnimh7GqzkR0_qz178s51EtXsMm39ddg@mail.gmail.com>
        <20220428111535.51833857@bootlin.com>
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Hi Geert,
On Thu, 28 Apr 2022 11:22:35 +0200
Geert Uytterhoeven <geert@linux-m68k.org> wrote:

> Hi Herv=C3=A9,
>=20
> On Thu, Apr 28, 2022 at 11:15 AM Herve Codina <herve.codina@bootlin.com> =
wrote:
> > On Wed, 27 Apr 2022 16:58:07 +0200
> > Geert Uytterhoeven <geert@linux-m68k.org> wrote: =20
> > > On Fri, Apr 22, 2022 at 2:09 PM Herve Codina <herve.codina@bootlin.co=
m> wrote: =20
> > > > 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@bootlin.com> =20
> > >
> > > Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> > > i.e. will queue in renesas-devel for v5.19. =20
> >
> > I plan to send a v4 of this series.
> >
> > As this patch (4/8) and the following one (5/8) will be
> > queued for v5.19, I plan to remove them from the v4 version
> > of the series.
> >
> > Is that ok for you or do you prefer to still have them
> > in v4 ? =20
>=20
> As these two patches are not strictly related to adding PCI support,
> but they are dependencies, I will queue them separately. Hence you
> do not need to include them in v5.

Perfect.

Thanks,
Herv=C3=A9

--=20
Herv=C3=A9 Codina, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com