On Thu, May 21, 2015 at 3:22 AM, Magnus Damm <magnus.damm@xxxxxxxxx> wrote: > --- 0001/arch/arm/mach-shmobile/platsmp-apmu.c > +++ work/arch/arm/mach-shmobile/platsmp-apmu.c 2015-05-20 22:26:43.152366518 +0900 > +static void apmu_parse_dt(void (*fn)(struct resource *res, int cpu, int bit)) > +{ > + struct device_node *np_apmu, *np_cpu; > + struct resource res; > + u32 id; > + int bit, index; > + bool is_allowed; > + > + for_each_matching_node(np_apmu, apmu_ids) { > + /* only enable the cluster that includes the boot CPU */ > + is_allowed = false; You can declare the variable here instead of at the top of the function. > + for (bit = 0; bit < CONFIG_NR_CPUS; bit++) { > + np_cpu = of_parse_phandle(np_apmu, "cpus", bit); > + if (np_cpu) { > + if (!of_property_read_u32(np_cpu, "reg", &id)) { > + if (id == cpu_logical_map(0)) > + is_allowed = true; You can do "of_node_put(np_cpu); break;" here, to stop scanning. > + } > + of_node_put(np_cpu); > + } > + } > + if (!is_allowed) > + continue; Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html