Re: [PATCH 0/2] Make cppc acpi driver aware of pcc subspace ids

From	"Prakash, Prashanth" <pprakash@codeaurora.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH 0/2] Make cppc acpi driver aware of pcc subspace ids
Date	2017-04-03 18:50 +0200
Message-ID	<tsdl0-Vb-7@gated-at.bofh.it> (permalink)
References	<tsdl0-Vb-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

Hi George,

On 3/31/2017 12:24 AM, George Cherian wrote:
> The current cppc acpi driver works with only one pcc subspace id.
> It maintains and registers only one pcc channel even if the acpi table has 
> different pcc subspace ids. The series tries to address the same by making 
> cppc acpi driver aware of multiple possible pcc subspace ids.
The current ACPI 6.1 spec restricts the CPPC to a single PCC subspace. See section:
8.4.7.1.9 Using PCC Registers, which states "If the PCC register space is used, all PCC
registers must be defined to be in the same subspace."

--
Thanks,
Prashanth

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

Re: [PATCH 0/2] Make cppc acpi driver aware of pcc subspace ids "Prakash, Prashanth" <pprakash@codeaurora.org> - 2017-04-03 18:50 +0200
  Re: [PATCH 0/2] Make cppc acpi driver aware of pcc subspace ids Hoan Tran <hotran@apm.com> - 2017-04-03 20:00 +0200

csiph-web