[PATCH v3 2/2] ARM64: kernel: PSCI: move PSCI idle management code to drivers/firmware

[daniel.lezcano@linaro.org (Daniel Lezcano)]

On 10/16/2015 06:02 PM, Lorenzo Pieralisi wrote:
> ARM64 PSCI kernel interfaces that initialize idle states and implement
> the suspend API to enter them are generic and can be shared with the
> ARM architecture.
>
> To achieve that goal, this patch moves ARM64 PSCI idle management
> code to drivers/firmware, so that the interface to initialize and
> enter idle states can actually be shared by ARM and ARM64 arches
> back-ends.
>
> The ARM generic CPUidle implementation also requires the definition of
> a cpuidle_ops section entry for the kernel to initialize the CPUidle
> operations at boot based on the enable-method (ie ARM64 has the
> statically initialized cpu_ops counterparts for that purpose); therefore
> this patch also adds the required section entry on CONFIG_ARM for PSCI so
> that the kernel can initialize the PSCI CPUidle back-end when PSCI is
> the probed enable-method.
>
> On ARM64 this patch provides no functional change.
>
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Acked-by: Catalin Marinas <catalin.marinas@arm.com> [arch/arm64]
> Acked-by: Mark Rutland <mark.rutland@arm.com>
> Tested-by: Jisheng Zhang <jszhang@marvell.com>
> Cc: Will Deacon <will.deacon@arm.com>
> Cc: Sudeep Holla <sudeep.holla@arm.com>
> Cc: Russell King <linux@arm.linux.org.uk>
> Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: Jisheng Zhang <jszhang@marvell.com>
> ---

Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>


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