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 <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) #include "cpu.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include "fs/fs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) int cpu__get_max_freq(unsigned long long *freq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 	char entry[PATH_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	int cpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	if (sysfs__read_int("devices/system/cpu/online", &cpu) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	snprintf(entry, sizeof(entry),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 		 "devices/system/cpu/cpu%d/cpufreq/cpuinfo_max_freq", cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	return sysfs__read_ull(entry, freq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) }