From patchwork Tue Sep 16 18:48:53 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 4919141 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id B6C1ABEEA5 for ; Tue, 16 Sep 2014 18:52:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DC4122010E for ; Tue, 16 Sep 2014 18:52:28 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0BFBD2015D for ; Tue, 16 Sep 2014 18:52:28 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XTxpW-00027M-UQ; Tue, 16 Sep 2014 18:50:22 +0000 Received: from andre.telenet-ops.be ([195.130.132.53]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XTxow-0000jo-BF for linux-arm-kernel@lists.infradead.org; Tue, 16 Sep 2014 18:49:48 +0000 Received: from ayla.of.borg ([84.193.84.167]) by andre.telenet-ops.be with bizsmtp id rup71o00H3cczKo01up7NK; Tue, 16 Sep 2014 20:49:21 +0200 Received: from ramsan.of.borg ([192.168.97.29] helo=ramsan) by ayla.of.borg with esmtp (Exim 4.76) (envelope-from ) id 1XTxoJ-0001jd-7p; Tue, 16 Sep 2014 20:49:07 +0200 Received: from geert by ramsan with local (Exim 4.82) (envelope-from ) id 1XTxoP-0001fn-PU; Tue, 16 Sep 2014 20:49:13 +0200 From: Geert Uytterhoeven To: "Rafael J. Wysocki" , Len Brown , Pavel Machek , Simon Horman , Magnus Damm , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala Subject: [PATCH/RFC v2 06/12] PM / Domains: Retrieve PM QoS device latencies from DT Date: Tue, 16 Sep 2014 20:48:53 +0200 Message-Id: <1410893339-6361-7-git-send-email-geert+renesas@glider.be> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1410893339-6361-1-git-send-email-geert+renesas@glider.be> References: <1410893339-6361-1-git-send-email-geert+renesas@glider.be> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140916_114946_633690_1C9540BD X-CRM114-Status: UNSURE ( 8.80 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.4 (/) Cc: devicetree@vger.kernel.org, Ulf Hansson , Kevin Hilman , Geert Uytterhoeven , linux-pm@vger.kernel.org, linux-sh@vger.kernel.org, Tomasz Figa , linux-kernel@vger.kernel.org, Grygorii Strashko , Philipp Zabel , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, 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 --- 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 e1cbde985d4de606..7b166911be541229 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -2133,6 +2133,8 @@ 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) @@ -2165,10 +2167,20 @@ 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();