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highbank fixes for 3.8 

-Compile fix for !SMP
 -More cpu cluster id related fixes
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Merge tag 'highbank-fixes-for-3.8' of git://sources.calxeda.com/kernel/linux into fixes

From Rob Herring:
highbank fixes for 3.8

-Compile fix for !SMP
-More cpu cluster id related fixes

* tag 'highbank-fixes-for-3.8' of git://sources.calxeda.com/kernel/linux:
  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
This commit is contained in:
Olof Johansson 2013-02-09 20:55:03 -08:00
parent 836dc9e3fb 63fc1370c1
commit 893db07f50
4 changed files with 12 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/arm/include/asm/smp_scu.h
View File

@ -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
arch/arm/kernel/smp_scu.c
View File

@ -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;

3
arch/arm/mach-highbank/highbank.c
View File

@ -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>
@ -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),

4
arch/arm/mach-highbank/sysregs.h
View File

@ -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
@ -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