Re: [PATCH v10 7/7] ACPI : enable ACPI_PROCESSOR_IDLE on ARM64

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Hi Sudeep,

On 07/19/2016 01:52 PM, Sudeep Holla wrote:
> Now that ACPI processor idle driver supports LPI(Low Power Idle), lets
> enable ACPI_PROCESSOR_IDLE for ARM64 too.
> 
> This patch just removes the IA64 and X86 dependency on ACPI_PROCESSOR_IDLE
> 
> Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>
> Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx>
> ---
>  drivers/acpi/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
> index 1358fb7d7a68..d74275c0f374 100644
> --- a/drivers/acpi/Kconfig
> +++ b/drivers/acpi/Kconfig
> @@ -238,7 +238,7 @@ config ACPI_CPPC_LIB
>  config ACPI_PROCESSOR
>  	tristate "Processor"
>  	depends on X86 || IA64 || ARM64
> -	select ACPI_PROCESSOR_IDLE if X86 || IA64
> +	select ACPI_PROCESSOR_IDLE
>  	select ACPI_CPU_FREQ_PSS if X86 || IA64
>  	default y
>  	help
> 

This causes a boot hang on QDF2432. cpuidle.off=1 works around the
problem. I understand you're working on a fix to the problem in GICv3
code. If there's anything I can do to help, please let me know.

Thanks,
Christopher Covington

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