Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753097Ab2HBSLS (ORCPT ); Thu, 2 Aug 2012 14:11:18 -0400 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:49481 "EHLO opensource.wolfsonmicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752290Ab2HBSLQ (ORCPT ); Thu, 2 Aug 2012 14:11:16 -0400 Date: Thu, 2 Aug 2012 19:11:12 +0100 From: Mark Brown To: Thierry Reding Cc: Alex Courbot , Stephen Warren , Stephen Warren , Simon Glass , Grant Likely , Rob Herring , Greg Kroah-Hartman , Arnd Bergmann , "linux-tegra@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-fbdev@vger.kernel.org" , "devicetree-discuss@lists.ozlabs.org" Subject: Re: [RFC][PATCH v3 1/3] runtime interpreted power sequences Message-ID: <20120802181111.GM4537@opensource.wolfsonmicro.com> References: <1343390750-3642-1-git-send-email-acourbot@nvidia.com> <1343390750-3642-2-git-send-email-acourbot@nvidia.com> <50170EA0.1010408@wwwdotorg.org> <501A338D.7080105@nvidia.com> <20120802082157.GA14866@avionic-0098.adnet.avionic-design.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120802082157.GA14866@avionic-0098.adnet.avionic-design.de> X-Cookie: Is this really happening? User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1168 Lines: 24 On Thu, Aug 02, 2012 at 10:21:57AM +0200, Thierry Reding wrote: > On Thu, Aug 02, 2012 at 05:00:13PM +0900, Alex Courbot wrote: > > The problem is, how do we turn these phandles into the resource of > > interest. The type of the resource can be infered by the name of the > > property. The hard part is resolving the resource from the phandle - > > it seems like the API just does not allow to do this. GPIO has > > of_get_named_gpio, but AFAIK there are no equivalent for regulator > > consumer and PWM: the only way to use the DT with them is through > > get_regulator and get_pwm which work at the device level. > > Or is there a way that I overlooked? > No, you are right. Perhaps we should add exported functions that do the > equivalent of of_pwm_request() or the regulator_dev_lookup() and > of_get_regulator() pair. I missed some of the earlier bits of the thread here but why can't we do device based lookups? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/