1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #define PATH_TO_CPU "/sys/devices/system/cpu/" 3*4882a593Smuzhiyun #define MAX_LINE_LEN 4096 4*4882a593Smuzhiyun #define SYSFS_PATH_MAX 255 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun unsigned int cpupower_read_sysfs(const char *path, char *buf, size_t buflen); 7