From: Lina Iyer <lina.iyer@xxxxxxxxxx>
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().
Cc: Lina Iyer <ilina@xxxxxxxxxxxxxx>
Suggested-by: Sudeep Holla <sudeep.holla@xxxxxxx>
Signed-off-by: Lina Iyer <lina.iyer@xxxxxxxxxx>
Co-developed-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
---
drivers/firmware/psci/psci.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c
index 9788bfc1cf8b..256b4edbb20a 100644
--- a/drivers/firmware/psci/psci.c
+++ b/drivers/firmware/psci/psci.c
@@ -294,8 +294,7 @@ static int psci_dt_cpu_init_idle(struct device_node *cpu_node, int cpu)
struct device_node *state_node;
/* Count idle states */
- while ((state_node = of_parse_phandle(cpu_node, "cpu-idle-states",
- count))) {
+ while ((state_node = of_get_cpu_state_node(cpu_node, count))) {
count++;
of_node_put(state_node);
}
@@ -308,7 +307,7 @@ static int psci_dt_cpu_init_idle(struct device_node *cpu_node, int cpu)
return -ENOMEM;
for (i = 0; i < count; i++) {
- state_node = of_parse_phandle(cpu_node, "cpu-idle-states", i);
+ state_node = of_get_cpu_state_node(cpu_node, i);
ret = psci_dt_parse_state_node(state_node, &psci_states[i]);
of_node_put(state_node);
--
2.17.1
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