of_get_cpu_state_node
state_node = of_get_cpu_state_node(cpu_node, i - 1);
of_get_cpu_state_node(cpu_node, 0);
state_node = of_get_cpu_state_node(cpu_node, i - 1);
curr_state_node = of_get_cpu_state_node(cpu_node, idx);
state_node = of_get_cpu_state_node(cpu_node, i);
EXPORT_SYMBOL(of_get_cpu_state_node);
extern struct device_node *of_get_cpu_state_node(const struct device_node *cpu_node,