linux-kernel - Re: [PATCH v3 2/3] dt-bindings: add bindings for mtd-concat devices

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Date:   Mon, 10 Sep 2018 14:13:08 +0200
From:   Bernhard Frauendienst <kernel@...pam.obeliks.de>
To:     Rafał Miłecki <zajec5@...il.com>,
        kernel@...pam.obeliks.de
Cc:     David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Boris Brezillon <boris.brezillon@...tlin.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Richard Weinberger <richard@....at>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org, linux-mtd@...ts.infradead.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>
Subject: Re: [PATCH v3 2/3] dt-bindings: add bindings for mtd-concat devices

Am 10.09.2018 um 12:51 schrieb Rafał Miłecki:
> On Sat, 8 Sep 2018 at 15:14, Bernhard Frauendienst  > <kernel@...pam.obeliks.de> wrote: >> >> Document virtual mtd-concat 
device bindings. >> >> Signed-off-by: Bernhard Frauendienst 
<kernel@...pam.obeliks.de> >> --- >> 
.../devicetree/bindings/mtd/mtd-concat.txt | 36 +++++++++++++++++++ >> 1 
file changed, 36 insertions(+) >> create mode 100644 
Documentation/devicetree/bindings/mtd/mtd-concat.txt >> >> diff --git 
a/Documentation/devicetree/bindings/mtd/mtd-concat.txt 
b/Documentation/devicetree/bindings/mtd/mtd-concat.txt >> new file mode 
100644 >> index 000000000000..2daf3157b163 >> --- /dev/null >> +++ 
b/Documentation/devicetree/bindings/mtd/mtd-concat.txt >> @@ -0,0 +1,36 
@@ >> +Virtual MTD concat device > > I think you forgot to include the 
documentation. Please ***describe*** > that binding.
You are right, I'm afraid I was mislead by some of the rather sparse
documentation files in the mtd directory.
Would something along these lines be sufficient?

--snip--
Virtual MTD concat device

A virtual composite device that concatenates multiple child devices into a
single mtd device. The child mtd nodes must also be defined in the tree and
are referenced using phandles.

Required properties:
- compatible : must be "mtd-concat"
- devices : list of phandles to mtd nodes in the order they should be
         concatenated

The device tree may optionally contain sub-nodes describing partitions 
of the
address space. See partition.txt for more detail.


Example:
--snip--

Regards,
Bernhard