On Tue, Jan 15, 2013 at 08:13:12AM +0000, Hiroshi Doyu wrote: > SCU based detection only works with Cortex-A9 MP and it doesn't > support ones with multiple clusters. The only way to detect number of > CPU core correctly is with DT /cpu node. > > Tegra SoCs decided to use DT detection as the only way and to not use > SCU based detection at all. Even if DT /cpu node based detection > fails, it continues with a single core Please add missing punctuation, reword the commit log to make it clearer. > > Signed-off-by: Hiroshi Doyu <hdoyu@xxxxxxxxxx> > --- > Based on the discussion: > http://lists.infradead.org/pipermail/linux-arm-kernel/2013-January/140608.html > > Signed-off-by: Hiroshi Doyu <hdoyu@xxxxxxxxxx> > --- > arch/arm/mach-tegra/platsmp.c | 15 --------------- > 1 file changed, 15 deletions(-) > > diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c > index 6867030..689ee4b 100644 > --- a/arch/arm/mach-tegra/platsmp.c > +++ b/arch/arm/mach-tegra/platsmp.c > @@ -177,23 +177,8 @@ done: > return status; > } > > -/* > - * Initialise the CPU possible map early - this describes the CPUs > - * which may be present or become present in the system. > - */ > static void __init tegra_smp_init_cpus(void) > { > - unsigned int i, ncores = scu_get_core_count(scu_base); > - > - if (ncores > nr_cpu_ids) { > - pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", > - ncores, nr_cpu_ids); > - ncores = nr_cpu_ids; > - } > - > - for (i = 0; i < ncores; i++) > - set_cpu_possible(i, true); > - > set_smp_cross_call(gic_raise_softirq); > } > As discussed, Reviewed-by: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
