Robert Lee <rob.lee@xxxxxxxxxx> writes:
> 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@xxxxxxxxxx>
> ---
> arch/arm/include/asm/cpuidle.h | 14 ++++++
> drivers/cpuidle/cpuidle.c | 90 ++++++++++++++++++++++++++++++++--------
> include/linux/cpuidle.h | 13 ++++++
> 3 files changed, 99 insertions(+), 18 deletions(-)
> create mode 100644 arch/arm/include/asm/cpuidle.h
>
> diff --git a/arch/arm/include/asm/cpuidle.h b/arch/arm/include/asm/cpuidle.h
> new file mode 100644
> index 0000000..1d2075b
> --- /dev/null
> +++ b/arch/arm/include/asm/cpuidle.h
> @@ -0,0 +1,14 @@
> +#ifndef __ASM_ARM_CPUIDLE_H
> +#define __ASM_ARM_CPUIDLE_H
> +
> +/* Common ARM WFI state */
> +#define CPUIDLE_ARM_WFI_STATE {\
> + .enter = cpuidle_simple_enter,\
> + .exit_latency = 1,\
> + .target_residency = 1,\
> + .flags = CPUIDLE_FLAG_TIME_VALID,\
> + .name = "WFI",\
> + .desc = "ARM core clock gating (WFI)",\
> +}
nit: just name this ARM WFI. Clock gating is platform specific, and
"core" has platform-specific meanings, so in order to keep this truly
generic, I think hat ARM WFI is the best name.
Kevin
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