Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #include <linux/cpu.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #include <linux/cpumask.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/node.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <linux/nodemask.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <linux/percpu.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) static DEFINE_PER_CPU(struct cpu, cpu_devices);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) static int __init topology_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	int i, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #ifdef CONFIG_NUMA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	for_each_online_node(i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 		register_one_node(i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #endif /* CONFIG_NUMA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	for_each_present_cpu(i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 		struct cpu *c = &per_cpu(cpu_devices, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 		c->hotpluggable = !!i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 		ret = register_cpu(c, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 			printk(KERN_WARNING "topology_init: register_cpu %d "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 			       "failed (%d)\n", i, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) subsys_initcall(topology_init);