From patchwork Thu Sep 25 16:28:33 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 4976461 Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id DD0D09F32B for ; Thu, 25 Sep 2014 16:33:26 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id ADAC920274 for ; Thu, 25 Sep 2014 16:33:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 77DF8202D1 for ; Thu, 25 Sep 2014 16:33:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753011AbaIYQc7 (ORCPT ); Thu, 25 Sep 2014 12:32:59 -0400 Received: from albert.telenet-ops.be ([195.130.137.90]:38525 "EHLO albert.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753611AbaIYQ2x (ORCPT ); Thu, 25 Sep 2014 12:28:53 -0400 Received: from ayla.of.borg ([84.193.84.167]) by albert.telenet-ops.be with bizsmtp id vUUn1o00e3cczKo06UUnBZ; Thu, 25 Sep 2014 18:28:52 +0200 Received: from ramsan.of.borg ([192.168.97.29] helo=ramsan) by ayla.of.borg with esmtp (Exim 4.76) (envelope-from ) id 1XXBuR-0003Xy-Co; Thu, 25 Sep 2014 18:28:47 +0200 Received: from geert by ramsan with local (Exim 4.82) (envelope-from ) id 1XXBuS-0005wu-4F; Thu, 25 Sep 2014 18:28:48 +0200 From: Geert Uytterhoeven To: "Rafael J. Wysocki" , Simon Horman , Magnus Damm Cc: Ulf Hansson , Tomasz Figa , Philipp Zabel , Grygorii Strashko , Kevin Hilman , linux-sh@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH v3 06/13] PM / Domains: Retrieve PM QoS device latencies from DT Date: Thu, 25 Sep 2014 18:28:33 +0200 Message-Id: <1411662520-22795-7-git-send-email-geert+renesas@glider.be> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1411662520-22795-1-git-send-email-geert+renesas@glider.be> References: <1411662520-22795-1-git-send-email-geert+renesas@glider.be> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Geert Uytterhoeven --- v3: - No changes v2: - New drivers/base/power/domain.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 0ebc6bb31c9c227f..c79d5d43a5249562 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -2174,6 +2174,8 @@ int genpd_dev_pm_attach(struct device *dev) struct device_node *np = dev->of_node; struct of_phandle_args pd_args; struct generic_pm_domain *pd; + struct gpd_timing_data td; + u32 latency; int ret; if (!np) @@ -2206,10 +2208,20 @@ int genpd_dev_pm_attach(struct device *dev) return PTR_ERR(pd); } + memset(&td, 0, sizeof(td)); + if (!of_property_read_u32(np, "stop-latency", &latency)) + td.stop_latency_ns = latency; + if (!of_property_read_u32(np, "start-latency", &latency)) + td.start_latency_ns = latency; + if (!of_property_read_u32(np, "save-state-latency", &latency)) + td.save_state_latency_ns = latency; + if (!of_property_read_u32(np, "restore-state-latency", &latency)) + td.restore_state_latency_ns = latency; + dev_dbg(dev, "adding to PM domain %s\n", pd->name); while (1) { - ret = pm_genpd_add_device(pd, dev); + ret = __pm_genpd_add_device(pd, dev, &td); if (ret != -EAGAIN) break; cond_resched();