From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752290AbaFJPGF (ORCPT ); Tue, 10 Jun 2014 11:06:05 -0400 Received: from v094114.home.net.pl ([79.96.170.134]:55466 "HELO v094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751088AbaFJPGA (ORCPT ); Tue, 10 Jun 2014 11:06:00 -0400 From: "Rafael J. Wysocki" To: Pavel Machek Cc: Linux PM list , Linux Kernel Mailing List Subject: Re: [PATCH 3/3][update] PM / sleep: Introduce command line argument for sleep state enumeration Date: Tue, 10 Jun 2014 17:23:24 +0200 Message-ID: <1848200.GDD9x0Rptb@vostro.rjw.lan> User-Agent: KMail/4.11.5 (Linux/3.15.0-rc5+; KDE/4.11.5; x86_64; ; ) In-Reply-To: <20140610131206.GA7626@amd.pavel.ucw.cz> References: <1817539.9KW2IGGbDV@vostro.rjw.lan> <1579932.qSkFQPvI6f@vostro.rjw.lan> <20140610131206.GA7626@amd.pavel.ucw.cz> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday, June 10, 2014 03:12:06 PM Pavel Machek wrote: > Hi! > > > From: Rafael J. Wysocki > > > > On some systems the platform doesn't support neither > > PM_SUSPEND_MEM nor PM_SUSPEND_STANDBY, so PM_SUSPEND_FREEZE is the > > only available system sleep state. However, some user space frameworks > > only use the "mem" and (sometimes) "standby" sleep state labels, so > > the users of those systems need to modify user space in order to be > > able to use system suspend at all and that is not always possible. > > I'd say we should fix the frameworks, not add option to change kernel > interfaces. > > Because, as you mentioned, if we add this, we are probably going to > get stuck with it forever :-(. Unfortunately, fixing the frameworks is rather less than realistic in any reasonable time frame, since Android. :-) Rafael