On 11/05/2022 10:30, Qing Zhang wrote: > + if (loongson_sysconf.nr_cpus >= NR_CPUS) > + break; > + > + hwids[loongson_sysconf.nr_cpus] = hwid; > + loongson_sysconf.nr_cpus++; > + > + np = of_find_compatible_node(NULL, NULL, "loongson, mmio-ipi"); Please document compatibles in the bindings. Best regards, Krzysztof