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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/ker…
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…nel/git/arm/arm-soc into akpm

Pull ARM SoC fixes from Olof Johansson:
 "We had a number of fixes queued up, but taking a strict pass-through
  and weeding out any that either have been broken for a while, or are
  for platforms that need out-of-tree code to be useful anyway, or other
  fixes for problems that few users are likely to see in real life, only
  this short branch of patches remains.

  The three patches here are to make SMP boot work on the Calxeda
  platforms again.  Some of the rework for cpuids on 3.8 broke it (and
  it was discovered late, unfortunately)."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: highbank: mask cluster id from cpu_logical_map
  ARM: scu: mask cluster id from cpu_logical_map
  ARM: scu: add empty scu_enable for !CONFIG_SMP
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Linus Torvalds committed Feb 12, 2013
2 parents 41a7973 + 893db07 commit 983ca83
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Showing 4 changed files with 12 additions and 5 deletions.
8 changes: 7 additions & 1 deletion arch/arm/include/asm/smp_scu.h
Original file line number Diff line number Diff line change
Expand Up @@ -7,8 +7,14 @@

#ifndef __ASSEMBLER__
unsigned int scu_get_core_count(void __iomem *);
void scu_enable(void __iomem *);
int scu_power_mode(void __iomem *, unsigned int);

#ifdef CONFIG_SMP
void scu_enable(void __iomem *scu_base);
#else
static inline void scu_enable(void __iomem *scu_base) {}
#endif

#endif

#endif
2 changes: 1 addition & 1 deletion arch/arm/kernel/smp_scu.c
Original file line number Diff line number Diff line change
Expand Up @@ -75,7 +75,7 @@ void scu_enable(void __iomem *scu_base)
int scu_power_mode(void __iomem *scu_base, unsigned int mode)
{
unsigned int val;
int cpu = cpu_logical_map(smp_processor_id());
int cpu = MPIDR_AFFINITY_LEVEL(cpu_logical_map(smp_processor_id()), 0);

if (mode > 3 || mode == 1 || cpu > 3)
return -EINVAL;
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3 changes: 2 additions & 1 deletion arch/arm/mach-highbank/highbank.c
Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@

#include <asm/arch_timer.h>
#include <asm/cacheflush.h>
#include <asm/cputype.h>
#include <asm/smp_plat.h>
#include <asm/smp_twd.h>
#include <asm/hardware/arm_timer.h>
Expand Down Expand Up @@ -59,7 +60,7 @@ static void __init highbank_scu_map_io(void)

void highbank_set_cpu_jump(int cpu, void *jump_addr)
{
cpu = cpu_logical_map(cpu);
cpu = MPIDR_AFFINITY_LEVEL(cpu_logical_map(cpu), 0);
writel(virt_to_phys(jump_addr), HB_JUMP_TABLE_VIRT(cpu));
__cpuc_flush_dcache_area(HB_JUMP_TABLE_VIRT(cpu), 16);
outer_clean_range(HB_JUMP_TABLE_PHYS(cpu),
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4 changes: 2 additions & 2 deletions arch/arm/mach-highbank/sysregs.h
Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ extern void __iomem *sregs_base;

static inline void highbank_set_core_pwr(void)
{
int cpu = cpu_logical_map(smp_processor_id());
int cpu = MPIDR_AFFINITY_LEVEL(cpu_logical_map(smp_processor_id()), 0);
if (scu_base_addr)
scu_power_mode(scu_base_addr, SCU_PM_POWEROFF);
else
Expand All @@ -46,7 +46,7 @@ static inline void highbank_set_core_pwr(void)

static inline void highbank_clear_core_pwr(void)
{
int cpu = cpu_logical_map(smp_processor_id());
int cpu = MPIDR_AFFINITY_LEVEL(cpu_logical_map(smp_processor_id()), 0);
if (scu_base_addr)
scu_power_mode(scu_base_addr, SCU_PM_NORMAL);
else
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