From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752005AbcI1ITl (ORCPT ); Wed, 28 Sep 2016 04:19:41 -0400 Received: from mx2.suse.de ([195.135.220.15]:37750 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751494AbcI1ITc (ORCPT ); Wed, 28 Sep 2016 04:19:32 -0400 Message-ID: <1475050767.4635.2.camel@suse.com> Subject: Re: [PATCH 2/2] mfd: intel-lpss: Avoid resuming runtime-suspended lpss unnecessarily From: Oliver Neukum To: Chen Yu Cc: Len Brown , "Rafael J . Wysocki" , Lee Jones , Andy Shevchenko , Mika Westerberg , "Rafael J. Wysocki" , Pavel Machek , linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Date: Wed, 28 Sep 2016 10:19:27 +0200 In-Reply-To: <20160928080907.GA4567@sharon> References: <6e14fa9659f23da041bc5e65edcd53c3e4845c74.1475032126.git.yu.c.chen@intel.com> <1475048574.4635.1.camel@suse.com> <20160928080907.GA4567@sharon> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.12.11 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2016-09-28 at 16:09 +0800, Chen Yu wrote: > Thanks for your reply. Do you mean we should add the logic to pm core? > There is already one if the driver's > .prepare() returns a positive number(aka, RPM_SUSPENDED), then pm core will keep Yes, that makes sense. Sorry Oliver