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@xxxxxxxxxxx>
---
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
--
To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
