Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932108AbbBBGJ2 (ORCPT ); Mon, 2 Feb 2015 01:09:28 -0500 Received: from e8.ny.us.ibm.com ([32.97.182.138]:37068 "EHLO e8.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751257AbbBBGJZ (ORCPT ); Mon, 2 Feb 2015 01:09:25 -0500 From: Stewart Smith To: Preeti U Murthy , mpe@ellerman.id.au Cc: rafael.j.wysocki@intel.com, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Subject: Re: [PATCH V3] cpuidle/powernv: Read target_residency value of idle states from DT if available In-Reply-To: <20150202050821.24581.56186.stgit@preeti.in.ibm.com> References: <20150202050821.24581.56186.stgit@preeti.in.ibm.com> User-Agent: Notmuch/0.18+16~gec02089 (http://notmuchmail.org) Emacs/23.1.1 (x86_64-redhat-linux-gnu) Date: Mon, 02 Feb 2015 17:09:17 +1100 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15020206-0029-0000-0000-000001DEA671 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1047 Lines: 21 Preeti U Murthy writes: > The device tree now exposes the residency values for different idle states. Read > these values instead of calculating residency from the latency values. The values > exposed in the DT are validated for optimal power efficiency. However to maintain > compatibility with the older firmware code which does not expose residency > values, use default values as a fallback mechanism. While at it, use better > APIs to parse the powermgmt device tree node so as to avoid endianness > transformation. > > Signed-off-by: Preeti U Murthy Same acked-by as before, from perspective of "I merged the firmware side of things" and things look godo in relation to firmware PoV. Acked-by: Stewart Smith -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/