From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ulf Hansson Subject: [PATCH 06/18] drivers: firmware: psci: Support hierarchical CPU idle states Date: Mon, 13 May 2019 21:22:48 +0200 Message-ID: <20190513192300.653-7-ulf.hansson@linaro.org> References: <20190513192300.653-1-ulf.hansson@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190513192300.653-1-ulf.hansson@linaro.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Sudeep Holla , Lorenzo Pieralisi , Mark Rutland , linux-arm-kernel@lists.infradead.org Cc: Ulf Hansson , Vincent Guittot , Geert Uytterhoeven , Kevin Hilman , Stephen Boyd , Viresh Kumar , linux-pm@vger.kernel.org, Daniel Lezcano , "Rafael J . Wysocki" , linux-kernel@vger.kernel.org, Amit Kucheria , Bjorn Andersson , Tony Lindgren , Lina Iyer , linux-arm-msm@vger.kernel.org, Niklas Cassel , Souvik Chakravarty , "Raju P . L . S . S . S . N" , Lina Iyer List-Id: linux-pm@vger.kernel.org From: Lina Iyer Currently CPU's idle states are represented in a flattened model, via the "cpu-idle-states" binding from within the CPU's device nodes. Support the hierarchical layout, simply by converting to calling the new OF helper, of_get_cpu_state_node(). Suggested-by: Sudeep Holla Signed-off-by: Lina Iyer Co-developed-by: Ulf Hansson Signed-off-by: Ulf Hansson --- Changes: - None. --- drivers/firmware/psci/psci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c index 9c2180bcee4c..b11560f7c4b9 100644 --- a/drivers/firmware/psci/psci.c +++ b/drivers/firmware/psci/psci.c @@ -316,7 +316,7 @@ static int psci_dt_cpu_init_idle(struct cpuidle_driver *drv, return -ENOMEM; for (i = 0; i < num_state_nodes; i++) { - state_node = of_parse_phandle(cpu_node, "cpu-idle-states", i); + state_node = of_get_cpu_state_node(cpu_node, i); if (!state_node) break; -- 2.17.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 80358C04AAA for ; Mon, 13 May 2019 19:25:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 55D0420989 for ; Mon, 13 May 2019 19:25:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="c9ATK+kF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726917AbfEMTZP (ORCPT ); Mon, 13 May 2019 15:25:15 -0400 Received: from mail-lj1-f194.google.com ([209.85.208.194]:42807 "EHLO mail-lj1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729624AbfEMTXT (ORCPT ); Mon, 13 May 2019 15:23:19 -0400 Received: by mail-lj1-f194.google.com with SMTP id 188so12056727ljf.9 for ; Mon, 13 May 2019 12:23:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Nbt/R0uZX9P8HTLZOOX7O4bQjSSh3KmuxEw/gJfnJ0w=; b=c9ATK+kF7r7EPNbGkGdt7Bm63ADC4YHAW78L6XgGCewkxmYTEtG+L0LG2PjuZOY9P6 GIc/wvpLNy0UH3lkOe6ZFzROaxSq6yzGyHcvnwD2CRd7HZc2KPc2eU2Qqjw/+V6Y/odG 8g1QUs5Jnsr58ljysRy+9dUb1w4F/dykHejwWNEfEpnjahvDUevoLs2Q6KSLe41qv/kt 0zP1wQEuDypoCPrKTbmlS2icrt04INJA7iFSJ5TpXPM+7IfemYXsH5ks1f1TIKzK3DDH bHfdYw7ILT8JPAFLDWe6W30v1tHH6XaC6WnzwDnPcwbc/4E0bjVz5MHKP4astQUCxbqu Hwvg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Nbt/R0uZX9P8HTLZOOX7O4bQjSSh3KmuxEw/gJfnJ0w=; b=gMPBNzVh0PbGBSImWHxbP31VGjg85RP0C50spiOHgWN0dJyyqAPs6diRtCIwBj9aBk oBDRXZxXNJHfYpbbGFXjSNXd3SZ+u6ErlZP+awJ71RDOy+doocdjMEkUE15r0/Egojbu Bv7URQ+m+0WT4jJIG6j+Gj+Nax1/48lCo8BEi6oaTct/B9iaAjb4eQyjIWPNDZ2RyWju CRY0h1+9ZCjM9CfezcE7YV5fXC5jA/ByNgoo6IdFNkL/ck0vcbPoZZO6SUaJR4kJGJ6g peiUyfBv5857NZQ+eVvCG4RlMjM9xdUDf1oBCWFY2pqejudKDXj4WUrNnNLcf7tPFHS+ qn0g== X-Gm-Message-State: APjAAAWddgLyM5TvYRHEAHLKgtw/D37Eqp8J1uO4+fT/ve6X95uuy5ov Cfrd6Yd6c5Qi3hlSHTXnUMhr2Q== X-Google-Smtp-Source: APXvYqw/K4DSr+T5mHbidlXB09i9OsKjJE0jmVRY6GRi9vogaHyD5Mxz5/BfqSTiLW4LknGP/8Tf2g== X-Received: by 2002:a2e:1312:: with SMTP id 18mr4211531ljt.79.1557775397083; Mon, 13 May 2019 12:23:17 -0700 (PDT) Received: from localhost.localdomain (h-158-174-22-210.NA.cust.bahnhof.se. [158.174.22.210]) by smtp.gmail.com with ESMTPSA id q21sm3449365lfa.84.2019.05.13.12.23.15 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 13 May 2019 12:23:16 -0700 (PDT) From: Ulf Hansson To: Sudeep Holla , Lorenzo Pieralisi , Mark Rutland , linux-arm-kernel@lists.infradead.org Cc: "Rafael J . Wysocki" , Daniel Lezcano , "Raju P . L . S . S . S . N" , Amit Kucheria , Bjorn Andersson , Stephen Boyd , Niklas Cassel , Tony Lindgren , Kevin Hilman , Lina Iyer , Viresh Kumar , Vincent Guittot , Geert Uytterhoeven , Souvik Chakravarty , linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Lina Iyer , Ulf Hansson Subject: [PATCH 06/18] drivers: firmware: psci: Support hierarchical CPU idle states Date: Mon, 13 May 2019 21:22:48 +0200 Message-Id: <20190513192300.653-7-ulf.hansson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190513192300.653-1-ulf.hansson@linaro.org> References: <20190513192300.653-1-ulf.hansson@linaro.org> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Message-ID: <20190513192248.P7dNJYBtr3-Gt8T3qEEB9IygSr6I4qs1B36hQyWd21E@z> From: Lina Iyer Currently CPU's idle states are represented in a flattened model, via the "cpu-idle-states" binding from within the CPU's device nodes. Support the hierarchical layout, simply by converting to calling the new OF helper, of_get_cpu_state_node(). Suggested-by: Sudeep Holla Signed-off-by: Lina Iyer Co-developed-by: Ulf Hansson Signed-off-by: Ulf Hansson --- Changes: - None. --- drivers/firmware/psci/psci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c index 9c2180bcee4c..b11560f7c4b9 100644 --- a/drivers/firmware/psci/psci.c +++ b/drivers/firmware/psci/psci.c @@ -316,7 +316,7 @@ static int psci_dt_cpu_init_idle(struct cpuidle_driver *drv, return -ENOMEM; for (i = 0; i < num_state_nodes; i++) { - state_node = of_parse_phandle(cpu_node, "cpu-idle-states", i); + state_node = of_get_cpu_state_node(cpu_node, i); if (!state_node) break; -- 2.17.1