From patchwork Tue Sep 1 11:40:36 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arun Bharadwaj X-Patchwork-Id: 32736 Return-Path: X-Original-To: patchwork-incoming@bilbo.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from ozlabs.org (ozlabs.org [203.10.76.45]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mx.ozlabs.org", Issuer "CA Cert Signing Authority" (verified OK)) by bilbo.ozlabs.org (Postfix) with ESMTPS id 1D6FAB7BA8 for ; Tue, 1 Sep 2009 21:41:42 +1000 (EST) Received: by ozlabs.org (Postfix) id DF7E8DDDD4; Tue, 1 Sep 2009 21:41:41 +1000 (EST) Delivered-To: patchwork-incoming@ozlabs.org Received: from bilbo.ozlabs.org (bilbo.ozlabs.org [203.10.76.25]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "bilbo.ozlabs.org", Issuer "CAcert Class 3 Root" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id DD808DDDD3 for ; Tue, 1 Sep 2009 21:41:41 +1000 (EST) Received: from bilbo.ozlabs.org (localhost [127.0.0.1]) by bilbo.ozlabs.org (Postfix) with ESMTP id D7CB6B839D for ; Tue, 1 Sep 2009 21:40:59 +1000 (EST) Received: from e28smtp08.in.ibm.com (e28smtp08.in.ibm.com [59.145.155.8]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e28smtp08.in.ibm.com", Issuer "Equifax" (verified OK)) by bilbo.ozlabs.org (Postfix) with ESMTPS id 99B83B7B75 for ; Tue, 1 Sep 2009 21:40:50 +1000 (EST) Received: from d28relay03.in.ibm.com (d28relay03.in.ibm.com [9.184.220.60]) by e28smtp08.in.ibm.com (8.14.3/8.13.1) with ESMTP id n81Bd1pS027787 for ; Tue, 1 Sep 2009 17:09:01 +0530 Received: from d28av03.in.ibm.com (d28av03.in.ibm.com [9.184.220.65]) by d28relay03.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id n81Bedr52453528 for ; Tue, 1 Sep 2009 17:10:39 +0530 Received: from d28av03.in.ibm.com (loopback [127.0.0.1]) by d28av03.in.ibm.com (8.14.3/8.13.1/NCO v10.0 AVout) with ESMTP id n81BecYA007867 for ; Tue, 1 Sep 2009 21:40:39 +1000 Received: from linux.vnet.ibm.com ([9.124.35.32]) by d28av03.in.ibm.com (8.14.3/8.13.1/NCO v10.0 AVin) with ESMTP id n81BeaWk007240 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Tue, 1 Sep 2009 21:40:38 +1000 Date: Tue, 1 Sep 2009 17:10:36 +0530 From: Arun R Bharadwaj To: Joel Schopp , Benjamin Herrenschmidt , Paul Mackerras , Peter Zijlstra , Ingo Molnar , Vaidyanathan Srinivasan , Dipankar Sarma , Balbir Singh , Gautham R Shenoy , Arun Bharadwaj Subject: [v4 PATCH 3/5]: pSeries: Incorporate registering of idle loop for pSeries. Message-ID: <20090901114036.GJ7599@linux.vnet.ibm.com> References: <20090901113704.GG7599@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20090901113704.GG7599@linux.vnet.ibm.com> User-Agent: Mutt/1.5.18 (2008-05-17) Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: arun@linux.vnet.ibm.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org * Arun R Bharadwaj [2009-09-01 17:07:04]: Platform needs to register its idle function via register_idle_function() in order to provide a clean way of handling the ppc_md.power_save Signed-off-by: Arun R Bharadwaj --- arch/powerpc/platforms/pseries/setup.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) Index: linux.trees.git/arch/powerpc/platforms/pseries/setup.c =================================================================== --- linux.trees.git.orig/arch/powerpc/platforms/pseries/setup.c +++ linux.trees.git/arch/powerpc/platforms/pseries/setup.c @@ -280,6 +280,8 @@ static struct notifier_block pci_dn_reco static void __init pSeries_setup_arch(void) { + struct idle_function_desc pseries_idle_desc; + /* Discover PIC type and setup ppc_md accordingly */ pseries_discover_pic(); @@ -305,10 +307,17 @@ static void __init pSeries_setup_arch(vo vpa_init(boot_cpuid); if (get_lppaca()->shared_proc) { printk(KERN_DEBUG "Using shared processor idle loop\n"); - ppc_md.power_save = pseries_shared_idle_sleep; + //snprintf(pseries_idle_desc.name, 16, "shared_loop"); + pseries_idle_desc.name = "shared_loop"; + pseries_idle_desc.idle_func = pseries_shared_idle_sleep; + register_idle_function(&pseries_idle_desc); } else { printk(KERN_DEBUG "Using dedicated idle loop\n"); - ppc_md.power_save = pseries_dedicated_idle_sleep; + //snprintf(pseries_idle_desc.name, 16, "dedicated_loop"); + pseries_idle_desc.name = "dedicated_loop"; + pseries_idle_desc.idle_func = + pseries_dedicated_idle_sleep; + register_idle_function(&pseries_idle_desc); } } else { printk(KERN_DEBUG "Using default idle loop\n");