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-ux500/include | |
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-ux500/include')
-rw-r--r-- | arch/arm/mach-ux500/include/mach/smp.h | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/arch/arm/mach-ux500/include/mach/smp.h b/arch/arm/mach-ux500/include/mach/smp.h index b59f7bc9725d..197e8417375e 100644 --- a/arch/arm/mach-ux500/include/mach/smp.h +++ b/arch/arm/mach-ux500/include/mach/smp.h | |||
@@ -10,18 +10,11 @@ | |||
10 | #define ASMARM_ARCH_SMP_H | 10 | #define ASMARM_ARCH_SMP_H |
11 | 11 | ||
12 | #include <asm/hardware/gic.h> | 12 | #include <asm/hardware/gic.h> |
13 | #include <asm/smp_mpidr.h> | ||
13 | 14 | ||
14 | /* This is required to wakeup the secondary core */ | 15 | /* This is required to wakeup the secondary core */ |
15 | extern void u8500_secondary_startup(void); | 16 | extern void u8500_secondary_startup(void); |
16 | 17 | ||
17 | #define hard_smp_processor_id() \ | ||
18 | ({ \ | ||
19 | unsigned int cpunum; \ | ||
20 | __asm__("mrc p15, 0, %0, c0, c0, 5" \ | ||
21 | : "=r" (cpunum)); \ | ||
22 | cpunum &= 0x0F; \ | ||
23 | }) | ||
24 | |||
25 | /* | 18 | /* |
26 | * We use IRQ1 as the IPI | 19 | * We use IRQ1 as the IPI |
27 | */ | 20 | */ |