Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756554Ab3FHAlu (ORCPT ); Fri, 7 Jun 2013 20:41:50 -0400 Received: from mga11.intel.com ([192.55.52.93]:26455 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753726Ab3FHAls (ORCPT ); Fri, 7 Jun 2013 20:41:48 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.87,825,1363158000"; d="scan'208";a="349960462" Message-ID: <1370652235.4432.70.camel@ymzhang.sh.intel.com> Subject: Re: [PATCH 1/2] PM: use dpm_run_callback in device_prepare From: Yanmin Zhang Reply-To: yanmin_zhang@linux.intel.com To: Greg KH Cc: shuox.liu@intel.com, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, pavel@ucw.cz, rjw@sisk.pl, len.brown@intel.com, Zhang Yanmin Date: Sat, 08 Jun 2013 08:43:55 +0800 In-Reply-To: <20130607173706.GA29615@kroah.com> References: <1370593232-3602-1-git-send-email-shuox.liu@intel.com> <1370593232-3602-2-git-send-email-shuox.liu@intel.com> <20130607173706.GA29615@kroah.com> Organization: Intel. Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.2- Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 741 Lines: 19 On Fri, 2013-06-07 at 10:37 -0700, Greg KH wrote: > On Fri, Jun 07, 2013 at 04:20:31PM +0800, shuox.liu@intel.com wrote: > > From: ShuoX Liu > > > > dpm_run_callback could show more debug info around prepare stage. > > Why? Who needs this? What problem does it solve? > > Without answers to this, why would you expect us to accept such a > change? It's to provide more debug info and developers can quickly find what prepare/complete callback consumes too much time. -- 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/