From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kumar Gala Subject: Re: dec behavior question Date: Tue, 25 Oct 2011 08:41:55 -0500 Message-ID: <0F565319-C054-4B46-8548-7BF4227BD237@kernel.crashing.org> References: <9942C069-D8EC-4133-B436-1DC5F62C502E@kernel.crashing.org> <20111024231529.GE4191@truffala.fritz.box> <9F6FE96B71CF29479FF1CDC8046E1503253081@039-SN1MPN1-004.039d.mgd.msft.net> Mime-Version: 1.0 (Apple Message framework v1251.1) Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <9F6FE96B71CF29479FF1CDC8046E1503253081-TcFNo7jSaXM0vywKSws3iq4g8xLGJsHaLnY5E4hWTkheoWH0uzbU5w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org To: Yoder Stuart-B08248 Cc: devicetree-discuss List-Id: devicetree@vger.kernel.org On Oct 25, 2011, at 7:18 AM, Yoder Stuart-B08248 wrote: > > >> -----Original Message----- >> From: devicetree-discuss-bounces+stuart.yoder=freescale.com-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org >> [mailto:devicetree-discuss-bounces+stuart.yoder=freescale.com-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org] On Behalf Of >> David Gibson >> Sent: Monday, October 24, 2011 6:15 PM >> To: Kumar Gala >> Cc: devicetree-discuss >> Subject: Re: dec behavior question >> >> On Mon, Oct 24, 2011 at 09:01:49AM -0500, Kumar Gala wrote: >>> If I have something like: >>> >>> --------------------------------------- >>> spi.dtsi: >>> >>> &spi0 { >>> #address-cells = <1>; >>> #size-cells = <0>; >>> compatible = "fsl,mpc8536-espi"; >>> reg = <0x7000 0x1000>; >>> interrupts = <59 0x2 0 0>; >>> }; >>> --------------------------------------- >>> >>> foo.dts: >>> >>> spi0: spi@f00bar { >>> compatible = "FOOBAR"; >>> }; >>> >>> /include/ "spi.dtsi" >>> >>> --------------------------------------- >>> >>> What do you expect the resulting dtb to look like w/regards to the >>> compatible node? >> >> It's always last tree wins. So it will end up with compatible = "FOOBAR". > > If last wins, then it would be the included file > (compatible = "fsl,mpc8536-espi"), no? > > Stuart I don't believe so because the include of spi.dtsi doesn't actually instantiate a node. This is a little different than use of 'include' for merging of nodes. - k