Use the generic code, just add the MPIC priority setting,
I don't see any use in mucking around with the decrementer,
as 32-bit will have EE off all along, and 64-bit will be able
to deal with it.
Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org>
---
arch/powerpc/platforms/powermac/smp.c | 17 +++++------------
1 files changed, 5 insertions(+), 12 deletions(-)
diff --git a/arch/powerpc/platforms/powermac/smp.c
b/arch/powerpc/platforms/powermac/smp.c
index e0ac7bb..eda4709 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -867,16 +867,14 @@ static void __devinit smp_core99_setup_cpu(int cpu_nr)
#if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC32)
-int smp_core99_cpu_disable(void)
+static int smp_core99_cpu_disable(void)
{
- set_cpu_online(smp_processor_id(), false);
+ int rc = generic_cpu_disable();
+ if (rc)
+ return rc;
- /* XXX reset cpu affinity here */
mpic_cpu_set_priority(0xf);
- asm volatile("mtdec %0" : : "r" (0x7fffffff));
- mb();
- udelay(20);
- asm volatile("mtdec %0" : : "r" (0x7fffffff));
+
return 0;
}
@@ -902,12 +900,7 @@ struct smp_ops_t core99_smp_ops = {
.give_timebase = smp_core99_give_timebase,
.take_timebase = smp_core99_take_timebase,
#if defined(CONFIG_HOTPLUG_CPU)
-# if defined(CONFIG_PPC32)
.cpu_disable = smp_core99_cpu_disable,
-# endif
-# if defined(CONFIG_PPC64)
- .cpu_disable = generic_cpu_disable,
-# endif
.cpu_die = generic_cpu_die,
#endif
};
--
1.7.1
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