mirror of https://gitee.com/openkylin/linux.git
30 lines
839 B
C
30 lines
839 B
C
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#ifndef __ASM_ARM_CPUIDLE_H
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#define __ASM_ARM_CPUIDLE_H
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#ifdef CONFIG_CPU_IDLE
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extern int arm_cpuidle_simple_enter(struct cpuidle_device *dev,
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struct cpuidle_driver *drv, int index);
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#else
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static inline int arm_cpuidle_simple_enter(struct cpuidle_device *dev,
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struct cpuidle_driver *drv, int index) { return -ENODEV; }
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#endif
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/* Common ARM WFI state */
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#define ARM_CPUIDLE_WFI_STATE_PWR(p) {\
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.enter = arm_cpuidle_simple_enter,\
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.exit_latency = 1,\
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.target_residency = 1,\
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.power_usage = p,\
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.flags = CPUIDLE_FLAG_TIME_VALID,\
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.name = "WFI",\
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.desc = "ARM WFI",\
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}
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/*
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* in case power_specified == 1, give a default WFI power value needed
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* by some governors
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*/
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#define ARM_CPUIDLE_WFI_STATE ARM_CPUIDLE_WFI_STATE_PWR(UINT_MAX)
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#endif
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