From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754209Ab0C0X3I (ORCPT ); Sat, 27 Mar 2010 19:29:08 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:58237 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754049Ab0C0X3G (ORCPT ); Sat, 27 Mar 2010 19:29:06 -0400 From: "Rafael J. Wysocki" To: Mark Brown Subject: Re: [PATCH/RFC] platform_bus: Allow runtime PM by default Date: Sun, 28 Mar 2010 00:32:00 +0100 User-Agent: KMail/1.12.4 (Linux/2.6.34-rc2-rjw; KDE/4.3.5; x86_64; ; ) Cc: "Greg Kroah-Hartman" , "linux-kernel@vger.kernel.org" , "linux-pm@lists.linux-foundation.org" References: <1269625370-17754-1-git-send-email-broonie@opensource.wolfsonmicro.com> <201003262335.06941.rjw@sisk.pl> <251AAFA3-F44D-40D2-BF99-E82EE58FD52D@opensource.wolfsonmicro.com> In-Reply-To: <251AAFA3-F44D-40D2-BF99-E82EE58FD52D@opensource.wolfsonmicro.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201003280032.01011.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Saturday 27 March 2010, Mark Brown wrote: > On 26 Mar 2010, at 22:35, "Rafael J. Wysocki" wrote: > > > On Friday 26 March 2010, Mark Brown wrote: > >> Currently the default runtime PM callbacks for platform devices > >> return > >> -ENOSYS, preventing the use of runtime PM platforms until they have > >> provided at least a default implementation. This hinders the use of > >> runtime PM by devices which work with many platforms such as memory > >> mapped devices, MFDs and on chip IPs shared by multiple > >> architectures. > >> > >> Change the default implementation to the standard pm_generic_runtime > >> one, allowing drivers to use runtime PM without per-architecture > >> changes. > >> > >> Signed-off-by: Mark Brown > > > > Acked-by: Rafael J. Wysocki > > > > Is it very urgent? > > Not especially - worst case you just don't get devices suspending > which isn't the end of the world and there's no build time > dependencies introduced. OK, so I guess it will be sufficient if Greg queues it for .35. Rafael