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PM / Domains: Export of_genpd_get_from_provider function

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This function looks up a PM domain form the provider. This will be
useful to add parent/child domain relationship from the SoC specific
code. The caller of the function must make sure that PM domain provider
is already registered.

Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Amit Daniel Kachhap
2014-12-15 09:08:59 +05:30
committed by Rafael J. Wysocki
parent cffa91380d
commit 7496fcbe8a
2 changed files with 10 additions and 1 deletions
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8
include/linux/pm_domain.h
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@@ -275,6 +275,8 @@ typedef struct generic_pm_domain *(*genpd_xlate_t)(struct of_phandle_args *args,
int __of_genpd_add_provider(struct device_node *np, genpd_xlate_t xlate,
void *data);
void of_genpd_del_provider(struct device_node *np);
struct generic_pm_domain *of_genpd_get_from_provider(
struct of_phandle_args *genpdspec);
struct generic_pm_domain *__of_genpd_xlate_simple(
struct of_phandle_args *genpdspec,
@@ -292,6 +294,12 @@ static inline int __of_genpd_add_provider(struct device_node *np,
}
static inline void of_genpd_del_provider(struct device_node *np) {}
static inline struct generic_pm_domain *of_genpd_get_from_provider(
struct of_phandle_args *genpdspec)
{
return NULL;
}
#define __of_genpd_xlate_simple NULL
#define __of_genpd_xlate_onecell NULL