Re: [PATCH] ACPI: CPPC: Return error if _CPC is invalid on a CPU

From: Prakash, Prashanth
Date: Wed Jun 22 2016 - 13:01:49 EST


Hi Hoan,

On 6/17/2016 4:16 PM, Hoan Tran wrote:
> Based on 8.4.7.1 section of ACPI 6.1 specification, if the platform
> supports CPPC, the _CPC object must exist under all processor objects.
> If cpc_desc_ptr pointer is invalid on any CPUs, acpi_get_psd_map()
> should return error and CPPC cpufreq driver can not be registered.
>
> Signed-off-by: Hoan Tran <hotran@xxxxxxx>
This patch looks good to me. So,

Reviewed-by: Prashanth Prakash <pprakash@xxxxxxxxxxxxxx>

Thanks,
Prashanth