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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-02-04 10:36:39 +0000 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-02-11 12:29:18 +0000 |
commit | 292ec42af7c6361435fe9df50cd59ec76f6741c6 (patch) | |
tree | 376c6bdc9f615988c19f9597020a8cde99005543 /arch/arm/include/asm/smp_scu.h | |
parent | afe8a887550f7cc24eb16449670b93f6b43c32d8 (diff) | |
download | op-kernel-dev-292ec42af7c6361435fe9df50cd59ec76f6741c6.zip op-kernel-dev-292ec42af7c6361435fe9df50cd59ec76f6741c6.tar.gz |
ARM: pm: add function to set WFI low-power mode for SMP CPUs
Add a function to set the SCU low-power mode for SMP CPUs. This
centralizes this functionality rather than having to expose the
SCU register definitions to each platform.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/smp_scu.h')
-rw-r--r-- | arch/arm/include/asm/smp_scu.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/include/asm/smp_scu.h b/arch/arm/include/asm/smp_scu.h index 2376835..4eb6d00 100644 --- a/arch/arm/include/asm/smp_scu.h +++ b/arch/arm/include/asm/smp_scu.h @@ -1,7 +1,14 @@ #ifndef __ASMARM_ARCH_SCU_H #define __ASMARM_ARCH_SCU_H +#define SCU_PM_NORMAL 0 +#define SCU_PM_DORMANT 2 +#define SCU_PM_POWEROFF 3 + +#ifndef __ASSEMBLER__ unsigned int scu_get_core_count(void __iomem *); void scu_enable(void __iomem *); +int scu_power_mode(void __iomem *, unsigned int); +#endif #endif |