From patchwork Thu Sep 3 13:31:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Georgi Djakov X-Patchwork-Id: 11753815 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 9E9BC109B for ; Thu, 3 Sep 2020 14:41:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 854B5206EB for ; Thu, 3 Sep 2020 14:41:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="L2JFU0Un" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729432AbgICOle (ORCPT ); Thu, 3 Sep 2020 10:41:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37586 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729397AbgICOix (ORCPT ); Thu, 3 Sep 2020 10:38:53 -0400 Received: from mail-wr1-x444.google.com (mail-wr1-x444.google.com [IPv6:2a00:1450:4864:20::444]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 52CBEC0619ED for ; Thu, 3 Sep 2020 06:31:42 -0700 (PDT) Received: by mail-wr1-x444.google.com with SMTP id w5so3243435wrp.8 for ; Thu, 03 Sep 2020 06:31:42 -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=L2JFU0UnIqcJXPhPG2tVj2XRHoqRM6PPI5htL1hCEyDVp4E0ETfFHDLkACalSGr/NL 1mCI0n24LD+c5P+pvefpfp+1P64ZVlcoM1fLYHA0aj8SIe8lK6Gf0kMOng5ACRm29Pev Brm3/jFTBNR8jRWdOEKq/gutqsBKLsGgfg5JSOx3H3DCAEteJPvlgPUGtcXxnZMlI6wx mX8ZQ2TkLPLDLMNb3AuNWuPrZ6eNN1TWphSfPTazFkMEsLYtGL9Uz39FMmtDbgpBDBX/ X+GDQkpSDK+NqJpBfPREEhLu7NiM/5zYIdNZCYDlFKNQ8yosDa3G2RX8z3T90pGBzAXj daGA== 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=FBzubZJHhzKO7nE7GIQgOMv8hcr3mE/0HXXd+JXjYnmpkftiR6CU4ZFKHZqMBnIZr7 gpbSk7+9w1UFOllAsIsV0R60qMRhJAqBJnzBXzvx6ZhvQ4vH3R5nZiqc9G/SejQMnIC+ ORWD7R1fsqlum50TdXmjR3yzU9KIG1jxKcfdqy9UFbBGeq0RoPzQc17uhH0Y5h4PoW+K mnmakrE5cqXK95GRSBPahAte9QrR+4QKZBkxm82RKle+V1J7VMmp4XbKJVNSTyrA29XQ sTkSyvE5gF7d/DMFfgBICNPdy2de7rexfMUiNYaau3Y50pM7kNjiwg5RTa8dBEUOG5pe /XQw== X-Gm-Message-State: AOAM530oq0FLzAb+jby7jY3gYU6cNeR1uouplEuN/5pMwL5gKZYVZQ3t Wz4i0aqf/SpLmpwbTs6CEqIhPjX66ue/KA== X-Google-Smtp-Source: ABdhPJyfSdIyuKbBOmnhuXtH81KE55IYjPFKRa6w/R89qr724BOshRxg5zZ27zOXQWH4OsXv3j/CDA== X-Received: by 2002:adf:dcc3:: with SMTP id x3mr2500760wrm.120.1599139900643; Thu, 03 Sep 2020 06:31:40 -0700 (PDT) Received: from localhost.localdomain ([212.45.67.2]) by smtp.googlemail.com with ESMTPSA id b2sm4310768wmh.47.2020.09.03.06.31.39 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 03 Sep 2020 06:31:40 -0700 (PDT) From: Georgi Djakov To: linux-pm@vger.kernel.org, bjorn.andersson@linaro.org Cc: devicetree@vger.kernel.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 v3 3/7] interconnect: qcom: Implement xlate_extended() to parse tags Date: Thu, 3 Sep 2020 16:31:30 +0300 Message-Id: <20200903133134.17201-4-georgi.djakov@linaro.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200903133134.17201-1-georgi.djakov@linaro.org> References: <20200903133134.17201-1-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);