From: "Pali Rohár" <pali@kernel.org>
To: Rob Herring <robh@kernel.org>
Cc: "Marek Behún" <kabel@kernel.org>, devicetree@vger.kernel.org
Subject: Re: [PATCH] dt-bindings: bus: add device tree bindings for fsl,p1021rdb-pc-cpld
Date: Thu, 18 Aug 2022 23:36:13 +0200 [thread overview]
Message-ID: <20220818213613.cfgjxdb5wfu6k7iw@pali> (raw)
In-Reply-To: <20220712170535.GF1823936-robh@kernel.org>
On Tuesday 12 July 2022 11:05:35 Rob Herring wrote:
> On Wed, Jul 06, 2022 at 06:56:02PM +0200, Marek Behún wrote:
> > On Tue, 5 Jul 2022 14:09:36 -0600
> > Rob Herring <robh+dt@kernel.org> wrote:
> >
> > > Not really a simple-bus if it has registers to init/program the bus.
> >
> > It doesn't.
>
> Then what is in 'reg'? It looks the same range as 'ranges', so maybe you
> don't need 'reg'.
>
> Rob
Without 'reg' kernel cannot register devices on this bus, e.g.
register-bit-led does not work. So 'reg' is needed. Why? I do not know.
next prev parent reply other threads:[~2022-08-18 21:36 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-05 17:54 [PATCH] dt-bindings: bus: add device tree bindings for fsl,p1021rdb-pc-cpld Marek Behún
2022-07-05 19:18 ` Rob Herring
2022-07-05 20:09 ` Rob Herring
2022-07-06 16:56 ` Marek Behún
2022-07-12 17:05 ` Rob Herring
2022-08-18 21:36 ` Pali Rohár [this message]
2022-08-31 11:46 ` Pali Rohár
2022-10-09 11:38 ` Pali Rohár
2022-11-01 22:27 ` Pali Rohár
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