RE: [PATCH] cpufreq: qoriq: Make the driver usable on all QorIQ platforms

From: Yuantian Tang
Date: Tue Oct 21 2014 - 04:42:18 EST


> > #ifndef CONFIG_SMP
> > static inline const struct cpumask *cpu_core_mask(int cpu) { @@ -79,6
> > +75,79 @@ static inline const struct cpumask *cpu_core_mask(int cpu) }
> > #endif
> >
> > +#if defined(CONFIG_PPC_E500MC)
>
> Probably should just be CONFIG_PPC, but do we need this at all. Can't we just
> use topology_core_id() on both ARM & PPC?
>
topology_core_id() doesn't work on PPC.
This function only supports PPC64 and non-thread SOCs.

I can make it work on PPC, but we are used to use get_hard_smp_processor_id() on ppc.

Regards,
Yuantian

> > +static int get_cpu_physical_id(int cpu) {
> > + return get_hard_smp_processor_id(cpu); } #elif defined(CONFIG_ARM)
> > +static int get_cpu_physical_id(int cpu) {
> > + return topology_core_id(cpu);
> > +}
> > +#endif
> > +

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/