diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-09-04 11:14:20 -0400 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-10-04 15:20:45 -0400 |
commit | 067173526c3bbc2eaeefcf6b7b2a9d998b9e8042 (patch) | |
tree | 4da794388079afaf0f43a5aadb750e097846e538 /arch/arm/mach-s5pv310/include/mach | |
parent | 971acb9b420ea1662dd3c48184c4315f87643be5 (diff) |
ARM: Provide common header for hard_smp_processor_id()
Provide a common header to read the SMP CPU number from the MPIDR.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-s5pv310/include/mach')
-rw-r--r-- | arch/arm/mach-s5pv310/include/mach/smp.h | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/arch/arm/mach-s5pv310/include/mach/smp.h b/arch/arm/mach-s5pv310/include/mach/smp.h index 990f3ba88a1f..b7ec252384f4 100644 --- a/arch/arm/mach-s5pv310/include/mach/smp.h +++ b/arch/arm/mach-s5pv310/include/mach/smp.h | |||
@@ -7,17 +7,10 @@ | |||
7 | #define ASM_ARCH_SMP_H __FILE__ | 7 | #define ASM_ARCH_SMP_H __FILE__ |
8 | 8 | ||
9 | #include <asm/hardware/gic.h> | 9 | #include <asm/hardware/gic.h> |
10 | #include <asm/smp_mpidr.h> | ||
10 | 11 | ||
11 | extern void __iomem *gic_cpu_base_addr; | 12 | extern void __iomem *gic_cpu_base_addr; |
12 | 13 | ||
13 | #define hard_smp_processor_id() \ | ||
14 | ({ \ | ||
15 | unsigned int cpunum; \ | ||
16 | __asm__("mrc p15, 0, %0, c0, c0, 5" \ | ||
17 | : "=r" (cpunum)); \ | ||
18 | cpunum &= 0x03; \ | ||
19 | }) | ||
20 | |||
21 | /* | 14 | /* |
22 | * We use IRQ1 as the IPI | 15 | * We use IRQ1 as the IPI |
23 | */ | 16 | */ |