From patchwork Thu Jul 23 13:09:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Georgi Djakov X-Patchwork-Id: 11680981 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 E7DFA618 for ; Thu, 23 Jul 2020 13:10:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CEA1D22B49 for ; Thu, 23 Jul 2020 13:10:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="tvaotbhg" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728990AbgGWNKK (ORCPT ); Thu, 23 Jul 2020 09:10:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36930 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727859AbgGWNJs (ORCPT ); Thu, 23 Jul 2020 09:09:48 -0400 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 59B02C0619E6 for ; Thu, 23 Jul 2020 06:09:47 -0700 (PDT) Received: by mail-wr1-x443.google.com with SMTP id r2so14193wrs.8 for ; Thu, 23 Jul 2020 06:09:47 -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=YWTfVRkR79Imko0PPqnIzVcER9nAarkHmVQCWvBzyCc=; b=tvaotbhgbQViqsspi5Ia9TKg2g2+k8ZHJrq+MuqBEc7x4WaXGNGGEy7nerdKRpdySD AUFA0aEvde2ok3vmf3f7d032hQhoI/FwgRbVHeBsMzKfqIKacX8ch/8XktFVE7ixAXtp xLPPa/8uJemD/71lkS+de69byXAyLhqC1PhLMys6VruIqacBVqXH1r76V/IELKpOtb5f MbmEuoZdf2Cxe3mEMy4KFrMZ/td+/Pf/fhpk43Hc+Pe3hg36IZUe7lFHn+SwTrv6OCDC JLe0q+Pv2lnwhN3rYTWg6KicxVM0cM0TcLWDijyfCSFstREF/FY4UvOhbaLNUcz+I8fS sMjQ== 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=YWTfVRkR79Imko0PPqnIzVcER9nAarkHmVQCWvBzyCc=; b=sZMSfM5WtP5RmqZKAWxdYZzMVrW7JYltIJ6F3DtjybjXZuVdmkcrQE9LLILtrQiQFV 6dBRHDWcK36FY0XV9G2No5FbF3yc4NF1jH7nAaXy5G0d/+xHlkjxWyRyVvLc023oyOY8 kZWVFs0i+MroNxEjyuimhScB/kG6flR45hcDaXDS9HIMgWEZ7Ob9Cfr67C3Xesx8guIr K6iVHTYOD4SUMsQPas3vizqUs6mCO2aPYdQXdiM4HhLHvHqAOQXKoYKdxcSQOReFMG+2 2Qrc7z/rmA0Y9dBPci1G1JCPedQfmcoapqHXF8qsd2W1mDXjTmsvwehTNdeh+ZmAW5Lc 2IDg== X-Gm-Message-State: AOAM533ESRysf8Ny+KLy0KJoEznq7ESF780QwospoFeRfYHmCsAElWlg gDpWRb9lZRXRTVgCblD7ICJIJYW6Gfk= X-Google-Smtp-Source: ABdhPJypdAbK/l+XgBOALRGgJMjOLyLZ37pF8MBqln+MJ+cdCucrwML/MuWtdw1EdWissbAnd5A8rQ== X-Received: by 2002:a5d:43ca:: with SMTP id v10mr3970548wrr.299.1595509784758; Thu, 23 Jul 2020 06:09:44 -0700 (PDT) Received: from localhost.localdomain ([212.45.67.2]) by smtp.googlemail.com with ESMTPSA id w7sm3594632wmc.32.2020.07.23.06.09.43 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 23 Jul 2020 06:09:44 -0700 (PDT) From: Georgi Djakov To: linux-pm@vger.kernel.org, devicetree@vger.kernel.org Cc: bjorn.andersson@linaro.org, robh+dt@kernel.org, sibis@codeaurora.org, mka@chromium.org, dianders@chromium.org, georgi.djakov@linaro.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/6] interconnect: qcom: Implement xlate_extended() to parse tags Date: Thu, 23 Jul 2020 16:09:38 +0300 Message-Id: <20200723130942.28491-3-georgi.djakov@linaro.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200723130942.28491-1-georgi.djakov@linaro.org> References: <20200723130942.28491-1-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. Signed-off-by: Georgi Djakov Tested-by: Sibi Sankar Reviewed-by: Sibi Sankar --- 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..44144fabec32 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; + + if (!spec) + return ERR_PTR(-EINVAL); + + 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]; + + 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);