linux-kernel - Re: [PATCH v2 0/9] ARM: dts: Add compatible property to "partitions" node

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Message-ID: <CAMuHMdVJY6+vFvO44kQkzbPJGDkY8SfRz3Dwt4-_RVJL2o=pdw@mail.gmail.com>
Date:	Wed, 23 Dec 2015 15:21:29 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Olof Johansson <olof@...om.net>,
	Gregory CLEMENT <gregory.clement@...e-electrons.com>
Cc:	Geert Uytterhoeven <geert+renesas@...der.be>,
	"arm@...nel.org" <arm@...nel.org>, Andrew Lunn <andrew@...n.ch>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Simon Horman <horms@...ge.net.au>,
	Magnus Damm <magnus.damm@...il.com>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Alex Smith <alex.smith@...tec.com>,
	Brian Norris <computersforpeace@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Linux-sh list <linux-sh@...r.kernel.org>,
	Linux MIPS Mailing List <linux-mips@...ux-mips.org>,
	MTD Maling List <linux-mtd@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 0/9] ARM: dts: Add compatible property to "partitions" node

Hi Olof, Gregory,

On Wed, Dec 23, 2015 at 12:04 PM, Gregory CLEMENT
<gregory.clement@...e-electrons.com> wrote:
>  On mar., déc. 22 2015, Olof Johansson <olof@...om.net> wrote:
>> On Mon, Dec 21, 2015 at 11:33:44AM +0100, Geert Uytterhoeven wrote:
>>> As of commit e488ca9f8d4f62c2 ("doc: dt: mtd: partitions: add compatible
>>> property to "partitions" node"), which is in v4.4-rc6, the "partitions"
>>> subnode of an SPI FLASH device node must have a compatible property. The
>>> partitions are no longer detected if it is not present.
>>>
>>> However, several DTSes in -next have already been converted to the
>>> "partitions" subnode without "compatible" property, introduced by
>>> commits 5cfdedb7b9a0fe38 ("mtd: ofpart: move ofpart partitions to a
>>> dedicated dt node") and fe2585e9c29a650a ("doc: dt: mtd: support
>>> partitions in a special 'partitions' subnode"). Hence all of these are
>>> now broken in -next, and will be broken in upstream during the merge
>>> window.
>>
>> So, if I understand this correctly, the partitions format was added for v4.4,
>> then this non-backwards compatible change was added in -rc6. But, there were
>> also DT files that had the new-for-v4.4 partitions nodes in them that then
>> stopped working in -rc6?
>
> At least for the mvebu dts, the change was added for v4.5 not
> v4.4. Currently it is only in the next branches (and also in your
> arm-soc tree in next/dt).

The same is true for the shmobile changes: they are queued up for v4.5.

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
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