From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Pinchart Date: Tue, 03 Sep 2013 12:11:17 +0000 Subject: Re: [PATCH 1/4] ARM: shmobile: r8a7778: add Ether DT support Message-Id: <2922765.My7X58lhxd@avalon> List-Id: References: <87ehb8th3c.wl%kuninori.morimoto.gx@renesas.com> In-Reply-To: <87ehb8th3c.wl%kuninori.morimoto.gx@renesas.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit To: linux-sh@vger.kernel.org Hi Paweł, On Monday 02 September 2013 16:32:34 Pawel Moll wrote: > On Mon, 2013-09-02 at 15:18 +0100, Laurent Pinchart wrote: > > Documentation/devicetree/booting-without-of.txt mentions it, as well as a > > couple of other DT bindings document, but there's no clear documentation > > of what device_type should be for network device, and whether the property > > is mandatory or optional. Clarifying the documentation would be great. > > It's documented in the ePAPR spec: > > "The device_type property was used in IEEE 1275 to describe the device’s > FCode programming model. Because ePAPR does not have FCode, new use of > the property is deprecated, and it should be included only on cpu and > memory nodes for compatibility with IEEE 1275–derived device trees." Thank you for the clarification. > The bottom line is - don't use it, unless you've good good reasons? I'll let Sergei share his opinion on whether we've got good reasons :-) -- Regards, Laurent Pinchart