From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755830Ab2HMWSi (ORCPT ); Mon, 13 Aug 2012 18:18:38 -0400 Received: from ogre.sisk.pl ([193.178.161.156]:36943 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755762Ab2HMWSc (ORCPT ); Mon, 13 Aug 2012 18:18:32 -0400 From: "Rafael J. Wysocki" To: Linux PM list Subject: [PATCH 3/3] PM / Domains: Add operations related to cpuidle using domain names Date: Tue, 14 Aug 2012 00:23:49 +0200 User-Agent: KMail/1.13.6 (Linux/3.5.0+; KDE/4.6.0; x86_64; ; ) Cc: LKML , "Linux-sh list" , Magnus Damm References: <201208140019.19288.rjw@sisk.pl> In-Reply-To: <201208140019.19288.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <201208140023.49263.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Make it possible to use domain names in operations connecting cpuidle to and disconnecting it from a PM domain. This is useful on platforms where PM domain objects are organized in such a way that the names of the domains are easier to use than the addresses of those objects. Signed-off-by: Rafael J. Wysocki --- drivers/base/power/domain.c | 19 +++++++++++++++++++ include/linux/pm_domain.h | 10 ++++++++++ 2 files changed, 29 insertions(+) Index: linux/drivers/base/power/domain.c =================================================================== --- linux.orig/drivers/base/power/domain.c +++ linux/drivers/base/power/domain.c @@ -1888,6 +1888,16 @@ int pm_genpd_attach_cpuidle(struct gener } /** + * pm_genpd_name_attach_cpuidle - Find PM domain and connect cpuidle to it. + * @name: Name of the domain to connect to cpuidle. + * @state: cpuidle state this domain can manipulate. + */ +int pm_genpd_name_attach_cpuidle(const char *name, int state) +{ + return pm_genpd_attach_cpuidle(pm_genpd_lookup_name(name), state); +} + +/** * pm_genpd_detach_cpuidle - Remove the cpuidle connection from a PM domain. * @genpd: PM domain to remove the cpuidle connection from. * @@ -1925,6 +1935,15 @@ int pm_genpd_detach_cpuidle(struct gener return ret; } +/** + * pm_genpd_name_detach_cpuidle - Find PM domain and disconnect cpuidle from it. + * @name: Name of the domain to disconnect cpuidle from. + */ +int pm_genpd_name_detach_cpuidle(const char *name) +{ + return pm_genpd_detach_cpuidle(pm_genpd_lookup_name(name)); +} + /* Default device callbacks for generic PM domains. */ /** Index: linux/include/linux/pm_domain.h =================================================================== --- linux.orig/include/linux/pm_domain.h +++ linux/include/linux/pm_domain.h @@ -156,7 +156,9 @@ extern int pm_genpd_add_callbacks(struct struct gpd_timing_data *td); extern int __pm_genpd_remove_callbacks(struct device *dev, bool clear_td); extern int pm_genpd_attach_cpuidle(struct generic_pm_domain *genpd, int state); +extern int pm_genpd_name_attach_cpuidle(const char *name, int state); extern int pm_genpd_detach_cpuidle(struct generic_pm_domain *genpd); +extern int pm_genpd_name_detach_cpuidle(const char *name); extern void pm_genpd_init(struct generic_pm_domain *genpd, struct dev_power_governor *gov, bool is_off); @@ -229,10 +231,18 @@ static inline int pm_genpd_attach_cpuidl { return -ENOSYS; } +static inline int pm_genpd_name_attach_cpuidle(const char *name, int state) +{ + return -ENOSYS; +} static inline int pm_genpd_detach_cpuidle(struct generic_pm_domain *genpd) { return -ENOSYS; } +static inline int pm_genpd_name_detach_cpuidle(const char *name) +{ + return -ENOSYS; +} static inline void pm_genpd_init(struct generic_pm_domain *genpd, struct dev_power_governor *gov, bool is_off) {