forked from luck/tmp_suning_uos_patched
e1689795a7
Make necessary changes to implement time keeping and irq enabling in the core cpuidle code. This will allow the removal of these functionalities from various platform cpuidle implementations whose timekeeping and irq enabling follows the form in this common code. Signed-off-by: Robert Lee <rob.lee@linaro.org> Tested-by: Jean Pihet <j-pihet@ti.com> Tested-by: Amit Daniel <amit.kachhap@linaro.org> Tested-by: Robert Lee <rob.lee@linaro.org> Reviewed-by: Kevin Hilman <khilman@ti.com> Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org> Reviewed-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com> Acked-by: Jean Pihet <j-pihet@ti.com> Signed-off-by: Len Brown <len.brown@intel.com>
30 lines
839 B
C
30 lines
839 B
C
#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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