19d17f51db37a798c797b125795844b7a5d99e92
2 * ARM64 CPU idle arch support
4 * Copyright (C) 2014 ARM Ltd.
5 * Author: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
13 #include <linux/of_device.h>
15 #include <asm/cpuidle.h>
16 #include <asm/cpu_ops.h>
18 int cpu_init_idle(unsigned int cpu
)
20 int ret
= -EOPNOTSUPP
;
21 struct device_node
*cpu_node
= of_cpu_device_node_get(cpu
);
26 if (cpu_ops
[cpu
] && cpu_ops
[cpu
]->cpu_init_idle
)
27 ret
= cpu_ops
[cpu
]->cpu_init_idle(cpu_node
, cpu
);
29 of_node_put(cpu_node
);
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