From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754577Ab1JULrk (ORCPT ); Fri, 21 Oct 2011 07:47:40 -0400 Received: from am1ehsobe005.messaging.microsoft.com ([213.199.154.208]:1997 "EHLO AM1EHSOBE005.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754285Ab1JULri (ORCPT ); Fri, 21 Oct 2011 07:47:38 -0400 X-SpamScore: -9 X-BigFish: VS-9(zz1432N98dKzz1202hzzz2dh2a8h668h839h944h61h) X-Spam-TCS-SCL: 0:0 X-Forefront-Antispam-Report: CIP:70.37.183.190;KIP:(null);UIP:(null);IPVD:NLI;H:mail.freescale.net;RD:none;EFVD:NLI X-FB-SS: 0, Date: Fri, 21 Oct 2011 19:58:10 +0800 From: Shawn Guo To: Rajendra Nayak CC: , , , , , , , , Subject: Re: [PATCH v2 3/5] regulator: helper routine to extract regulator_init_data Message-ID: <20111021115809.GB337@S2100-06.ap.freescale.net> References: <1318263578-7407-1-git-send-email-rnayak@ti.com> <1318263578-7407-4-git-send-email-rnayak@ti.com> <20111018132032.GD30703@S2100-06.ap.freescale.net> <4E9EB61C.1040207@ti.com> <20111019144215.GA32007@S2100-06.ap.freescale.net> <4E9FAF42.5060200@ti.com> <20111020061408.GE32007@S2100-06.ap.freescale.net> <4EA00F7C.1080005@ti.com> <20111021082309.GA337@S2100-06.ap.freescale.net> <4EA13053.7080306@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <4EA13053.7080306@ti.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-OriginatorOrg: freescale.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Oct 21, 2011 at 02:11:55PM +0530, Rajendra Nayak wrote: [...] > >+ /* find device_node and attach it */ > >+ rdev->dev.of_node = of_find_node_by_name(NULL, regulator_desc->name); > > so would this do a complete dt search for every regulator? Yes, with the first param being NULL, tthe entire device tree will be searched. > we would also need the driver names and dt names to match for this to > work, right? > Driver name does not matter. The key for this search to work is having regulator's name (regulator_desc->name) match device tree node's name, case ignored. > The approach otherwise looks fine to me and should work for both cases > of one device per regulator and one device for all regulators. > -- Regards, Shawn