109     int len;  in sysfs_write()  local
118     len = write(fd, s, strlen(s));  in sysfs_write()
119     if (len < 0) {  in sysfs_write()
125     return len;  in sysfs_write()
130     int len;  in sysfs_read()  local
138     len = read(fd, s, slen);  in sysfs_read()
139     if (len < 0) {  in sysfs_read()
144     return len;  in sysfs_read()
191     int len;  in interactive_boostpulse()  local
206     len = write(hikey->boostpulse_fd, "1", 1);  in interactive_boostpulse()
207     if (len < 0) {  in interactive_boostpulse()
258     int len;  in schedtune_sysfs_boost()  local
263     len = write(hikey->schedtune_boost_fd, booststr, strlen(booststr));  in schedtune_sysfs_boost()
264     if (len < 0) {  in schedtune_sysfs_boost()
268     return len;  in schedtune_sysfs_boost()
338         size_t len = read(hikey->schedtune_boost_fd, schedtune_boost_norm,  in schedtune_power_init()  local
340 	if (len <= 0)  in schedtune_power_init()
342 	else if (schedtune_boost_norm[len] == '\n')  in schedtune_power_init()
343             schedtune_boost_norm[len] = '\0';  in schedtune_power_init()
375     int len, i;  in hikey_cpufreq_init()  local
392         len = sysfs_read(hikey_cpufreq_clusters[i].path,  in hikey_cpufreq_init()