From patchwork Thu Aug 6 16:31:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Georgi Djakov X-Patchwork-Id: 11703753 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E158B1731 for ; Thu, 6 Aug 2020 17:51:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4D2452224D for ; Thu, 6 Aug 2020 17:51:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="gI3p6b8E" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729744AbgHFRva (ORCPT ); Thu, 6 Aug 2020 13:51:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40146 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728418AbgHFQc1 (ORCPT ); Thu, 6 Aug 2020 12:32:27 -0400 Received: from mail-wr1-x441.google.com (mail-wr1-x441.google.com [IPv6:2a00:1450:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 94D1AC02B8C2 for ; Thu, 6 Aug 2020 09:31:35 -0700 (PDT) Received: by mail-wr1-x441.google.com with SMTP id p20so9705794wrf.0 for ; Thu, 06 Aug 2020 09:31:35 -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 :mime-version:content-transfer-encoding; bh=p6XrrMy9U9a6D72/M7vouTgDf12ccI5j+g02H66Xr7c=; b=gI3p6b8ECCrNo9n/aOwg75F407VUCIBJzIHiUJ3ZTR5OJFXCVSok01gaibSuM1Crx6 G+v1zWeVB7wj2EJV488CKSi2e1wbKEGP1HvupPK77bODf80LKhyrtn5EeqNbDtZNWg/P JBNA+tpVMCZZ1Dv7ZNqlPbr9WxTrbRBQMWgRR8Wb4fTs67gYfeUr20pC0J7BNRpmoZBr 8hRhJng73ZiWa05IyZViEuOyDnXuvdD1O/yVXrIPezQZgbyK1Udc4J+3zuJUQk5acbb8 yoRERyaZJ9Leh42ctG9D+JzoQs+z70GYaBRWhq/+myYwIJuDZmGP2p1r3Q57fRGjLQP3 lH2w== 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:mime-version:content-transfer-encoding; bh=p6XrrMy9U9a6D72/M7vouTgDf12ccI5j+g02H66Xr7c=; b=Gh8tjxc/vRq2UDJjJae805IxQ+Jo9m3OT9HU9qv8Y0g9XTliu5AKyJOS1/0xC4Sa1J Q2wMhb41DQOpC7xcKSzh/tCFPFWK8/AHBGChpH/95NxBcDdOSZ1OWfWxb5kNMzrJTxHS ID5DJcH1LLIIPhqqK4JqujrUnOOwODKsqoWV4AiE0BfiFs66jn9CeeP2QFEFataWqhe1 Hgxw5WnN+O2yptMqVwrh+RCBKTtevXPONyUH1llTgCm2t244AAwuugexQnS4bFXldwc4 bEaPYpJaKd0Q4FbQVWLO5CUTLU/Il5HCmy72/edSAxPKwMUjlfSkifSylq9Msd3heeW6 An6Q== X-Gm-Message-State: AOAM5334HeX/viky+3JHB7MfXem/hTWQmX3FvuSKTxV+qJ5HCwA2HOrN LAvfBbfMTUT+Y2l89OTeXY2U0MBrE4U= X-Google-Smtp-Source: ABdhPJzNNUfPimsDxn89xZX6EUAh0/BfX6oyvTuoGwFBIfa1ooTzH26s1ikWWa07mwCAl6TlUUNU1g== X-Received: by 2002:adf:ba83:: with SMTP id p3mr8390078wrg.246.1596731493713; Thu, 06 Aug 2020 09:31:33 -0700 (PDT) Received: from localhost.localdomain ([87.120.218.65]) by smtp.googlemail.com with ESMTPSA id i66sm7468537wma.35.2020.08.06.09.31.32 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 06 Aug 2020 09:31:33 -0700 (PDT) From: Georgi Djakov To: linux-pm@vger.kernel.org, devicetree@vger.kernel.org Cc: robh+dt@kernel.org, bjorn.andersson@linaro.org, sibis@codeaurora.org, mka@chromium.org, dianders@chromium.org, georgi.djakov@linaro.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 3/7] interconnect: qcom: Implement xlate_extended() to parse tags Date: Thu, 6 Aug 2020 19:31:22 +0300 Message-Id: <20200806163126.22667-4-georgi.djakov@linaro.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200806163126.22667-1-georgi.djakov@linaro.org> References: <20200806163126.22667-1-georgi.djakov@linaro.org> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Implement a function to parse the arguments of the "interconnects" DT property and populate the interconnect path tags if this information is available. Tested-by: Sibi Sankar Reviewed-by: Sibi Sankar Signed-off-by: Georgi Djakov --- drivers/interconnect/qcom/icc-rpmh.c | 27 +++++++++++++++++++++++++++ drivers/interconnect/qcom/icc-rpmh.h | 1 + 2 files changed, 28 insertions(+) diff --git a/drivers/interconnect/qcom/icc-rpmh.c b/drivers/interconnect/qcom/icc-rpmh.c index 3ac5182c9ab2..7e538155e486 100644 --- a/drivers/interconnect/qcom/icc-rpmh.c +++ b/drivers/interconnect/qcom/icc-rpmh.c @@ -6,6 +6,8 @@ #include #include #include +#include +#include #include "bcm-voter.h" #include "icc-rpmh.h" @@ -92,6 +94,31 @@ int qcom_icc_set(struct icc_node *src, struct icc_node *dst) } EXPORT_SYMBOL_GPL(qcom_icc_set); +struct icc_node_data *qcom_icc_xlate_extended(struct of_phandle_args *spec, void *data) +{ + struct icc_node_data *ndata; + struct icc_node *node; + + node = of_icc_xlate_onecell(spec, data); + if (IS_ERR(node)) + return ERR_CAST(node); + + ndata = kzalloc(sizeof(*ndata), GFP_KERNEL); + if (!ndata) + return ERR_PTR(-ENOMEM); + + ndata->node = node; + + if (spec->args_count == 2) + ndata->tag = spec->args[1]; + + if (spec->args_count > 2) + pr_warn("%pOF: Too many arguments, path tag is not parsed\n", spec->np); + + return ndata; +} +EXPORT_SYMBOL_GPL(qcom_icc_xlate_extended); + /** * qcom_icc_bcm_init - populates bcm aux data and connect qnodes * @bcm: bcm to be initialized diff --git a/drivers/interconnect/qcom/icc-rpmh.h b/drivers/interconnect/qcom/icc-rpmh.h index 903d25e61984..1dac39bc255d 100644 --- a/drivers/interconnect/qcom/icc-rpmh.h +++ b/drivers/interconnect/qcom/icc-rpmh.h @@ -143,6 +143,7 @@ struct qcom_icc_desc { int qcom_icc_aggregate(struct icc_node *node, u32 tag, u32 avg_bw, u32 peak_bw, u32 *agg_avg, u32 *agg_peak); int qcom_icc_set(struct icc_node *src, struct icc_node *dst); +struct icc_node_data *qcom_icc_xlate_extended(struct of_phandle_args *spec, void *data); int qcom_icc_bcm_init(struct qcom_icc_bcm *bcm, struct device *dev); void qcom_icc_pre_aggregate(struct icc_node *node);