From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f41.google.com ([209.85.220.41]:44435 "EHLO mail-pa0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753068AbaDYQ5x (ORCPT ); Fri, 25 Apr 2014 12:57:53 -0400 Received: by mail-pa0-f41.google.com with SMTP id kp14so95957pab.14 for ; Fri, 25 Apr 2014 09:57:53 -0700 (PDT) Date: Fri, 25 Apr 2014 10:57:48 -0600 From: Bjorn Helgaas To: Stephen Warren Cc: Thierry Reding , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , linux-tegra@vger.kernel.org, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: Re: [RFC 0/5] PCI: tegra: Overhaul regulator usage Message-ID: <20140425165748.GA32246@google.com> References: <1396622969-17837-1-git-send-email-treding@nvidia.com> <53444C4D.2080800@wwwdotorg.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <53444C4D.2080800@wwwdotorg.org> Sender: linux-pci-owner@vger.kernel.org List-ID: On Tue, Apr 08, 2014 at 01:21:49PM -0600, Stephen Warren wrote: > On 04/04/2014 08:49 AM, Thierry Reding wrote: > > The current device tree binding for the regulator setup on Tegra PCIe is > > not accurate. While it does work for current use-cases, that's likely by > > accident rather than design. This series replaces the existing set of > > power-supply properties with a new set that accurately describes the > > inputs of the IP block (depending on SoC generation). > > > > As a heads-up, this breaks backwards compatibility with prior versions > > of the device tree bindings, but I don't see a reason why that should > > keep us from fixing this properly. Not many people are currently using > > these bindings and those who are are most likely tracking upstream > > development closely enough not to be impacted by this. > > > > I've aimed to keep the series bisectible, which has the downside of > > interleaving patches to unrelated trees (ARM and PCI). I'm hoping that > > perhaps we can find a way to merge this as a whole to keep it possible > > to bisect across the series. Although again, I guess it wouldn't be all > > that bad if that wasn't the case, given how little PCIe is actually > > being used. > > I'd be happy to put this series into a branch in the Tegra tree, given > suitable acks from Bjorn on the PCI changes. For 3/5 ("PCI: tegra: Implement accurate power supply scheme"), Acked-by: Bjorn Helgaas I do have the "PCI: tegra: Use new OF interrupt mapping when possible" change from Lucas on my pci/host-tegra branch, but it shouldn't conflict with this. Bjorn