From patchwork Fri Aug 25 11:26:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ulf Hansson X-Patchwork-Id: 13365471 X-Patchwork-Delegate: viresh.linux@gmail.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 06C16EE49B9 for ; Fri, 25 Aug 2023 11:28:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243464AbjHYL1d (ORCPT ); Fri, 25 Aug 2023 07:27:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39346 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243935AbjHYL1T (ORCPT ); Fri, 25 Aug 2023 07:27:19 -0400 Received: from mail-lf1-x132.google.com (mail-lf1-x132.google.com [IPv6:2a00:1450:4864:20::132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 844692685 for ; Fri, 25 Aug 2023 04:27:08 -0700 (PDT) Received: by mail-lf1-x132.google.com with SMTP id 2adb3069b0e04-50043cf2e29so1163593e87.2 for ; Fri, 25 Aug 2023 04:27:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1692962827; x=1693567627; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=BQ10KjgMpqc0TH2RSYB+FyfOupm6xniaP3PuJgrZOCQ=; b=jVyfBenIs3YrwoiLJlhjUlRMpDrrXrPF7WvEihCIDBBSds8an1aikYCb3fyZHGwdTp vER9xRn9sAxxrWIPuCMq2qdGg7xBABZe6PErJkOQ1Y96ORMDi6Gfdt4b9HdQFKNDsUos M6sDkqAnFJnfOwUb7W9Wlf8/AQM/xvbSDHteIQo6JrIRDqHshVNdl++RbnNOPH5e+I/E po0Gpd5yGHNBa+l0s+BIqhAxLxb9ibj01d7rGnLQEx5rX/nYqQwQTSJbAPC6H3kLZWZt vQ/YB/+O7akzgEvUVz54Co/Pc47IQWcV6D0wX3RhMzVb3ZxLNLrwS5v9gwm23nsnpGh3 0RTg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692962827; x=1693567627; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=BQ10KjgMpqc0TH2RSYB+FyfOupm6xniaP3PuJgrZOCQ=; b=VVC9MYzHNAtB9nveWwM2pWAbFJLayQVlAe3YvruREDnzYoSXv7ja+sdiJFFF1RxMUr 73/241Cnvf4dP6WpPgdyALgMnDIHzwXIssrZ1Li/Dx0ls2PYocsjJxjpHwDjzB39sIlb mHbnfmZqKUstsI+rK3oP6AidQjdG30pmA9nV0UZ7j/XjESP9NWB6elrVvpa6msEFA6NP 3Wyz7TCyPZTmOSDWtRhsz/A1orFkRzEkgxgl+WWgGaCAeIGx0Fj2L0y5+8h1/1kgnopI /iTXR9rHECJlqxC8iWie4ANH5Ww5gZm81iYyG7HcBN1x3wqkwwctSQWxkcymo5UFM8Qc eDvg== X-Gm-Message-State: AOJu0Yz6i0tN3QxBURsuyqzVmt1ezKbhquBZUwe6j6IFUzEkKilN7/XJ oeYIshNIs3XAhB+1jKKUA20/4w== X-Google-Smtp-Source: AGHT+IHXSuubNrdaloTOGX7P7Udqw4Ibzcy9wqcH/rDCusCFRW5crtQshAf4pXtAAq+Rv4izeqHX2A== X-Received: by 2002:ac2:58f6:0:b0:500:95f7:c416 with SMTP id v22-20020ac258f6000000b0050095f7c416mr5282808lfo.7.1692962826738; Fri, 25 Aug 2023 04:27:06 -0700 (PDT) Received: from uffe-tuxpro14.. (h-94-254-63-18.NA.cust.bahnhof.se. [94.254.63.18]) by smtp.gmail.com with ESMTPSA id g7-20020ac25387000000b004fb7ac67bbdsm259164lfh.41.2023.08.25.04.27.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Aug 2023 04:27:06 -0700 (PDT) From: Ulf Hansson To: Sudeep Holla , Cristian Marussi , Viresh Kumar , Nishanth Menon , Stephen Boyd Cc: Nikunj Kela , Prasad Sodagudi , Alexandre Torgue , Ulf Hansson , linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 11/13] cpufreq: scmi: Add support to parse domain-id using #power-domain-cells Date: Fri, 25 Aug 2023 13:26:31 +0200 Message-Id: <20230825112633.236607-12-ulf.hansson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230825112633.236607-1-ulf.hansson@linaro.org> References: <20230825112633.236607-1-ulf.hansson@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org The performance domain-id can be described in DT using the power-domains property or the clock property. The latter is already supported, so let's add support for the power-domains too. Signed-off-by: Ulf Hansson Acked-by: Viresh Kumar --- Changes in v3: - Move to get the power-domain index from power-domain-names. --- drivers/cpufreq/scmi-cpufreq.c | 25 +++++++++++++++++++------ 1 file changed, 19 insertions(+), 6 deletions(-) diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c index 48bd393a1506..08497b84efe1 100644 --- a/drivers/cpufreq/scmi-cpufreq.c +++ b/drivers/cpufreq/scmi-cpufreq.c @@ -72,13 +72,26 @@ static unsigned int scmi_cpufreq_fast_switch(struct cpufreq_policy *policy, static int scmi_cpu_domain_id(struct device *cpu_dev) { - struct of_phandle_args clkspec; - - if (of_parse_phandle_with_args(cpu_dev->of_node, "clocks", - "#clock-cells", 0, &clkspec)) - return -EINVAL; + struct device_node *np = cpu_dev->of_node; + struct of_phandle_args domain_id; + int index; + + if (of_parse_phandle_with_args(np, "clocks", "#clock-cells", 0, + &domain_id)) { + + /* Find the corresponding index for power-domain "perf". */ + index = of_property_match_string(np, "power-domain-names", + "perf"); + if (index < 0) + return -EINVAL; + + if (of_parse_phandle_with_args(np, "power-domains", + "#power-domain-cells", index, + &domain_id)) + return -EINVAL; + } - return clkspec.args[0]; + return domain_id.args[0]; } static int