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[06/18] drivers: firmware: psci: Support hierarchical CPU idle states

Message ID 20190513192300.653-7-ulf.hansson@linaro.org
State New
Headers show
Series ARM/ARM64: Support hierarchical CPU arrangement for PSCI | expand

Commit Message

Ulf Hansson May 13, 2019, 7:22 p.m. UTC
From: Lina Iyer <lina.iyer@linaro.org>

Currently CPU's idle states are represented in a flattened model, via the
"cpu-idle-states" binding from within the CPU's device nodes.

Support the hierarchical layout, simply by converting to calling the new OF
helper, of_get_cpu_state_node().

Suggested-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Lina Iyer <lina.iyer@linaro.org>

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


	- None.

 drivers/firmware/psci/psci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff mbox series


diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c
index 9c2180bcee4c..b11560f7c4b9 100644
--- a/drivers/firmware/psci/psci.c
+++ b/drivers/firmware/psci/psci.c
@@ -316,7 +316,7 @@  static int psci_dt_cpu_init_idle(struct cpuidle_driver *drv,
 		return -ENOMEM;
 	for (i = 0; i < num_state_nodes; i++) {
-		state_node = of_parse_phandle(cpu_node, "cpu-idle-states", i);
+		state_node = of_get_cpu_state_node(cpu_node, i);
 		if (!state_node)