From: Amit Daniel Kachhap <amit.daniel@samsung.com> 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 <amit.daniel@samsung.com> Subject: [PATCH RFC v2 07/12] PM / Domains: export pm_genpd_lookup_name Date: Mon, 24 Nov 2014 18:34:11 +0530 [thread overview] Message-ID: <1416834256-11225-7-git-send-email-amit.daniel@samsung.com> (raw) In-Reply-To: <1416834256-11225-1-git-send-email-amit.daniel@samsung.com> 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 <amit.daniel@samsung.com> --- 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
WARNING: multiple messages have this Message-ID (diff)
From: amit.daniel@samsung.com (Amit Daniel Kachhap) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH RFC v2 07/12] PM / Domains: export pm_genpd_lookup_name Date: Mon, 24 Nov 2014 18:34:11 +0530 [thread overview] Message-ID: <1416834256-11225-7-git-send-email-amit.daniel@samsung.com> (raw) In-Reply-To: <1416834256-11225-1-git-send-email-amit.daniel@samsung.com> 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 <amit.daniel@samsung.com> --- 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
next prev parent reply other threads:[~2014-11-24 13:17 UTC|newest] Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-11-24 12:52 [PATCH RFC v2 00/12] soc: samsung: Modify and enhance power domain driver Amit Daniel Kachhap 2014-11-24 12:52 ` Amit Daniel Kachhap 2014-11-24 13:04 ` [PATCH RFC v2 01/12] arm: exynos: Add platform driver support for " Amit Daniel Kachhap 2014-11-24 13:04 ` Amit Daniel Kachhap 2014-11-24 13:04 ` [PATCH RFC v2 02/12] soc: exynos: Move exynos power domain file to driver/soc/samsung folder Amit Daniel Kachhap 2014-11-24 13:04 ` Amit Daniel Kachhap 2014-11-24 13:04 ` [PATCH RFC v2 03/12] soc: samsung: exynos-pmu: Register exynos pd driver as a mfd client Amit Daniel Kachhap 2014-11-24 13:04 ` Amit Daniel Kachhap 2014-11-24 13:04 ` [PATCH RFC v2 04/12] soc: samsung: Re-structure PMU driver to create pd on/off handlers Amit Daniel Kachhap 2014-11-24 13:04 ` Amit Daniel Kachhap 2014-11-24 13:04 ` [PATCH RFC v2 05/12] soc: samsung: pm_domain: Use unique compatible name for power domain Amit Daniel Kachhap 2014-11-24 13:04 ` Amit Daniel Kachhap 2014-11-24 13:04 ` [PATCH RFC v2 06/12] driver: soc: exynos-pmu: Add exynos7 power domain on/off ops Amit Daniel Kachhap 2014-11-24 13:04 ` Amit Daniel Kachhap 2014-11-25 7:30 ` Ulf Hansson 2014-11-25 7:30 ` Ulf Hansson 2014-11-25 7:30 ` Ulf Hansson 2014-11-25 8:33 ` amit daniel kachhap 2014-11-25 8:33 ` amit daniel kachhap 2014-11-25 8:33 ` amit daniel kachhap 2014-11-24 13:04 ` Amit Daniel Kachhap [this message] 2014-11-24 13:04 ` [PATCH RFC v2 07/12] PM / Domains: export pm_genpd_lookup_name Amit Daniel Kachhap 2014-11-25 7:35 ` Ulf Hansson 2014-11-25 7:35 ` Ulf Hansson 2014-11-25 7:35 ` Ulf Hansson 2014-11-25 8:48 ` amit daniel kachhap 2014-11-25 8:48 ` amit daniel kachhap 2014-11-25 8:48 ` amit daniel kachhap 2014-11-27 14:20 ` Ulf Hansson 2014-11-27 14:20 ` Ulf Hansson 2014-11-27 14:20 ` Ulf Hansson 2014-11-28 8:52 ` amit daniel kachhap 2014-11-28 8:52 ` amit daniel kachhap 2014-11-28 8:52 ` amit daniel kachhap 2014-11-24 13:04 ` [PATCH RFC v2 08/12] soc: samsung: pm_domain: Add support for parent power domain Amit Daniel Kachhap 2014-11-24 13:04 ` Amit Daniel Kachhap 2014-11-25 7:59 ` Ulf Hansson 2014-11-25 7:59 ` Ulf Hansson 2014-11-25 7:59 ` Ulf Hansson 2014-11-25 8:57 ` amit daniel kachhap 2014-11-25 8:57 ` amit daniel kachhap 2014-11-25 8:57 ` amit daniel kachhap 2014-11-25 9:19 ` Geert Uytterhoeven 2014-11-25 9:19 ` Geert Uytterhoeven 2014-11-25 9:19 ` Geert Uytterhoeven 2014-12-03 8:36 ` Marek Szyprowski 2014-12-03 8:36 ` Marek Szyprowski 2014-12-03 8:36 ` Marek Szyprowski 2014-11-24 13:04 ` [PATCH RFC v2 09/12] drivers: soc: pm_domain: Modify the parent clocks bindings Amit Daniel Kachhap 2014-11-24 13:04 ` Amit Daniel Kachhap 2014-11-24 13:04 ` [PATCH RFC v2 10/12] drivers: soc: samsung: Add support for clock enabling in power domain Amit Daniel Kachhap 2014-11-24 13:04 ` Amit Daniel Kachhap 2014-11-24 13:04 ` [PATCH RFC v2 11/12] drivers: soc: samsung: Add support for clock rate save/restore " Amit Daniel Kachhap 2014-11-24 13:04 ` Amit Daniel Kachhap 2014-11-24 13:04 ` Amit Daniel Kachhap 2014-11-24 13:04 ` [PATCH RFC v2 12/12] arm64: Kconfig: Enable PM_GENERIC_DOMAINS for exynos7 Amit Daniel Kachhap 2014-11-24 13:04 ` Amit Daniel Kachhap
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