[PATCH 4/8] PM / Domains: Add fwnode provider to genpd states

[Lina Iyer]

Save the fwnode for the genpd state in the state node. PM Domain clients
may use the fwnode to read in the rest of the properties for the domain
state.

Signed-off-by: Lina Iyer <lina.iyer at linaro.org>
---
 drivers/base/power/domain.c | 1 +
 include/linux/pm_domain.h   | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 368a5b8..52fcdb2 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -1937,6 +1937,7 @@ static int read_genpd_state(struct genpd_power_state *genpd_state,
 	latency = entry_latency + exit_latency;
 	genpd_state->power_on_latency_ns = 1000 * latency;
 	genpd_state->power_off_latency_ns = 1000 * entry_latency;
+	genpd_state->provider = &state_node->fwnode;
 
 	return 0;
 }
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index 4c9152d..eacfa71 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -39,6 +39,7 @@ struct genpd_power_state {
 	s64 power_off_latency_ns;
 	s64 power_on_latency_ns;
 	s64 residency_ns;
+	struct fwnode_handle *provider;
 };
 
 struct generic_pm_domain {
-- 
2.7.4