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cpuidle: psci: Support hierarchical CPU idle states

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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>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
This commit is contained in:
Ulf Hansson 2019-10-10 12:01:48 +02:00
parent 1595e4b09b
commit f08cfbfa4f
1 changed files with 1 additions and 2 deletions
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3
drivers/cpuidle/cpuidle-psci.c
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@ -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;