From mboxrd@z Thu Jan 1 00:00:00 1970 From: Amit Daniel Kachhap Subject: [PATCH RFC v2 07/12] PM / Domains: export pm_genpd_lookup_name Date: Mon, 24 Nov 2014 18:34:11 +0530 Message-ID: <1416834256-11225-7-git-send-email-amit.daniel@samsung.com> References: <1416833572-6880-1-git-send-email-amit.daniel@samsung.com> <1416834256-11225-1-git-send-email-amit.daniel@samsung.com> Return-path: Received: from mailout1.samsung.com ([203.254.224.24]:36072 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752603AbaKXNRi (ORCPT ); Mon, 24 Nov 2014 08:17:38 -0500 In-reply-to: <1416834256-11225-1-git-send-email-amit.daniel@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org Cc: kgene.kim@samsung.com, linux-kernel@vger.kernel.org, s.nawrocki@samsung.com, pankaj.dubey@samsung.com, ulf.hansson@linaro.org, khilman@kernel.org, linux-pm@vger.kernel.org, geert@linux-m68k.org, rjw@rjwysocki.net, devicetree@vger.kernel.org, Amit Daniel Kachhap This API may be needed to set the power domain parent/child relationship in the power domain platform driver. The parent relationship is generally set after the child power domain is registered with the power domain subsystem. In this case, pm_genpd_lookup_name API might be useful. Signed-off-by: Amit Daniel Kachhap --- drivers/base/power/domain.c | 3 ++- include/linux/pm_domain.h | 7 +++++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index fb83d4a..b0e1c2f 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -49,7 +49,7 @@ static LIST_HEAD(gpd_list); static DEFINE_MUTEX(gpd_list_lock); -static struct generic_pm_domain *pm_genpd_lookup_name(const char *domain_name) +struct generic_pm_domain *pm_genpd_lookup_name(const char *domain_name) { struct generic_pm_domain *genpd = NULL, *gpd; @@ -66,6 +66,7 @@ static struct generic_pm_domain *pm_genpd_lookup_name(const char *domain_name) mutex_unlock(&gpd_list_lock); return genpd; } +EXPORT_SYMBOL_GPL(pm_genpd_lookup_name); struct generic_pm_domain *dev_to_genpd(struct device *dev) { diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h index 2e0e06d..aedcec3 100644 --- a/include/linux/pm_domain.h +++ b/include/linux/pm_domain.h @@ -150,6 +150,8 @@ extern int pm_genpd_name_poweron(const char *domain_name); extern struct dev_power_governor simple_qos_governor; extern struct dev_power_governor pm_domain_always_on_gov; + +extern struct generic_pm_domain *pm_genpd_lookup_name(const char *domain_name); #else static inline struct generic_pm_domain_data *dev_gpd_data(struct device *dev) @@ -221,6 +223,11 @@ static inline int pm_genpd_name_poweron(const char *domain_name) { return -ENOSYS; } +static inline +struct generic_pm_domain *pm_genpd_lookup_name(const char *domain_name) +{ + return NULL; +} #define simple_qos_governor NULL #define pm_domain_always_on_gov NULL #endif -- 1.7.9.5