[v5,07/15] cpuidle: psci: Support hierarchical CPU idle states

Message ID 20191230144402.30195-8-ulf.hansson@linaro.org
State Accepted
Commit f08cfbfa4fb1b5cf15d9f3d3f8ef2280236f4a12
Headers show
Series
  • cpuidle: psci: Support hierarchical CPU arrangement
Related show

Commit Message

Ulf Hansson Dec. 30, 2019, 2:43 p.m.
Currently CPU's idle states are represented using the flattened model.
Let's add support for the hierarchical layout, via converting to use
of_get_cpu_state_node().

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>

---

Changes in v5:
	- None.

---
 drivers/cpuidle/cpuidle-psci.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

-- 
2.17.1

Patch

diff --git a/drivers/cpuidle/cpuidle-psci.c b/drivers/cpuidle/cpuidle-psci.c
index 761359be50f2..830995b8a56f 100644
--- a/drivers/cpuidle/cpuidle-psci.c
+++ b/drivers/cpuidle/cpuidle-psci.c
@@ -86,8 +86,7 @@  static int __init psci_dt_cpu_init_idle(struct device_node *cpu_node,
 		return -ENOMEM;
 
 	for (i = 1; i < state_count; i++) {
-		state_node = of_parse_phandle(cpu_node, "cpu-idle-states",
-					      i - 1);
+		state_node = of_get_cpu_state_node(cpu_node, i - 1);
 		if (!state_node)
 			break;