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Like other ARM specific drivers, this one requires ARM_CPU_SUSPEND, as shown by this linker error: drivers/built-in.o: In function `calxeda_pwrdown_idle': drivers/cpuidle/cpuidle-calxeda.c:84: undefined reference to `cpu_suspend' drivers/cpuidle/cpuidle-calxeda.c:86: undefined reference to `cpu_resume' Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: linux-pm@vger.kernel.org
43 lines
1 KiB
Text
43 lines
1 KiB
Text
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config CPU_IDLE
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bool "CPU idle PM support"
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default y if ACPI || PPC_PSERIES
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help
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CPU idle is a generic framework for supporting software-controlled
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idle processor power management. It includes modular cross-platform
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governors that can be swapped during runtime.
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If you're using an ACPI-enabled platform, you should say Y here.
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config CPU_IDLE_MULTIPLE_DRIVERS
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bool "Support multiple cpuidle drivers"
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depends on CPU_IDLE
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default n
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help
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Allows the cpuidle framework to use different drivers for each CPU.
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This is useful if you have a system with different CPU latencies and
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states. If unsure say N.
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config CPU_IDLE_GOV_LADDER
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bool
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depends on CPU_IDLE
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default y
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config CPU_IDLE_GOV_MENU
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bool
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depends on CPU_IDLE && NO_HZ
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default y
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config ARCH_NEEDS_CPU_IDLE_COUPLED
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def_bool n
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if CPU_IDLE
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config CPU_IDLE_CALXEDA
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bool "CPU Idle Driver for Calxeda processors"
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depends on ARCH_HIGHBANK
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select ARM_CPU_SUSPEND
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help
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Select this to enable cpuidle on Calxeda processors.
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endif
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