From patchwork Thu Nov 28 13:48:38 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Georgi Djakov X-Patchwork-Id: 11266029 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 D896D13A4 for ; Thu, 28 Nov 2019 13:48:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B6A402178F for ; Thu, 28 Nov 2019 13:48:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="i9hyxSMd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726558AbfK1Nsn (ORCPT ); Thu, 28 Nov 2019 08:48:43 -0500 Received: from mail-wr1-f66.google.com ([209.85.221.66]:43438 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726227AbfK1Nsn (ORCPT ); Thu, 28 Nov 2019 08:48:43 -0500 Received: by mail-wr1-f66.google.com with SMTP id n1so31229380wra.10 for ; Thu, 28 Nov 2019 05:48:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=hASZYFpvtuqMj2K9Ei/y6hgpj2q+o1mM77RhlWy+nlM=; b=i9hyxSMdXuLPXnJAJs9ZWGt2uHdPrIAytFfduuedVuEyINMo//Lzg5xsxzqpWPohGs NHBHrDvnfIsYCI3ppthFHJXFi8p6wrsMXd72bXnKBD2NQIjPv+qHrAoy1t4NYfiNfL3L LyPsENVFPLEZtpjWFHEJKMoiURSE6B3UbPSaxgoF3cSh8Ms2oprtqQuD+frRIX1pmQPC qEp+z6RftEsvK5EJ9nGb2TBP+VmuKU/PgV/Y/GyPqPdURFPde+H+ZPdaU/iCUpImxka9 CmlCw60wSsu1WvpdpohBK1rfaFzDLjEFDz+iJLJe9/kap3+/7D2iIo9hQxdGUlzyei+C 2ziQ== 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:mime-version :content-transfer-encoding; bh=hASZYFpvtuqMj2K9Ei/y6hgpj2q+o1mM77RhlWy+nlM=; b=RAI1p+AKt//tzSycjbOxAc1UtqtBjeNveoqE1OsOh6gws96Gp8x1go3qS2BNqH1Mfr MG06KzUUz+lkBEKBzYcEew3bYF6zR0bBMhbQVugH9eMBhhkCe6HXERH0ju+foCD6YH7r Mmk9L7Hc87DBWzVRbnwq2Zl6Rsq5JrT5mGZlfVBk+ccxPjw48ebuJ3c0CAiEd/aFDxQd vO/Ai2XBvX1yrxKl/z/yadjHhn5CNcGfGnNdaBYdFlG/82BVaJT9lCxoknk7a8FioqHD ApkdH0mCJ0xdCOkfe+gYgUjMXpBwQe8mXS3KLX31wUf5yO/M/UbiBkQfAq2iqoxemBOK L3mQ== X-Gm-Message-State: APjAAAXvf/t0iXR0AQ3dzE1rTEBZsdboFrU0VjRBqhQWsiqX3uQ2E7AE 1Jul3o0iflHgDKdOSNxudyMq/w== X-Google-Smtp-Source: APXvYqwUl/c9Ev2fwHT9rSRo/CPTNmXhORMjUF9rVGT2228iCfXD2eVVfpBiCL+T0UowPmk9L4UngA== X-Received: by 2002:adf:f445:: with SMTP id f5mr26311139wrp.193.1574948920904; Thu, 28 Nov 2019 05:48:40 -0800 (PST) Received: from localhost.localdomain ([212.45.67.2]) by smtp.googlemail.com with ESMTPSA id m3sm8523734wrs.53.2019.11.28.05.48.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 28 Nov 2019 05:48:40 -0800 (PST) From: Georgi Djakov To: linux-pm@vger.kernel.org Cc: evgreen@chromium.org, bjorn.andersson@linaro.org, agross@kernel.org, daidavid1@codeaurora.org, masneyb@onstation.org, sibis@codeaurora.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, georgi.djakov@linaro.org Subject: [PATCH 1/2] interconnect: Add a common standard aggregate function Date: Thu, 28 Nov 2019 15:48:38 +0200 Message-Id: <20191128134839.27606-1-georgi.djakov@linaro.org> X-Mailer: git-send-email 2.24.0 MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Currently there is one very standard aggregation method that is used by several drivers. Let's add this as a common function, so that drivers could just point to it, instead of copy/pasting code. Suggested-by: Evan Green Signed-off-by: Georgi Djakov Reviewed-by: Brian Masney Reviewed-by: Bjorn Andersson Reviewed-by: Evan Green --- drivers/interconnect/core.c | 10 ++++++++++ include/linux/interconnect-provider.h | 8 ++++++++ 2 files changed, 18 insertions(+) diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c index 0e4852feb395..2633fd223875 100644 --- a/drivers/interconnect/core.c +++ b/drivers/interconnect/core.c @@ -221,6 +221,16 @@ static int apply_constraints(struct icc_path *path) return ret; } +int icc_std_aggregate(struct icc_node *node, u32 tag, u32 avg_bw, + u32 peak_bw, u32 *agg_avg, u32 *agg_peak) +{ + *agg_avg += avg_bw; + *agg_peak = max(*agg_peak, peak_bw); + + return 0; +} +EXPORT_SYMBOL_GPL(icc_std_aggregate); + /* of_icc_xlate_onecell() - Translate function using a single index. * @spec: OF phandle args to map into an interconnect node. * @data: private data (pointer to struct icc_onecell_data) diff --git a/include/linux/interconnect-provider.h b/include/linux/interconnect-provider.h index 31440c921216..0c494534b4d3 100644 --- a/include/linux/interconnect-provider.h +++ b/include/linux/interconnect-provider.h @@ -92,6 +92,8 @@ struct icc_node { #if IS_ENABLED(CONFIG_INTERCONNECT) +int icc_std_aggregate(struct icc_node *node, u32 tag, u32 avg_bw, + u32 peak_bw, u32 *agg_avg, u32 *agg_peak); struct icc_node *icc_node_create(int id); void icc_node_destroy(int id); int icc_link_create(struct icc_node *node, const int dst_id); @@ -104,6 +106,12 @@ int icc_provider_del(struct icc_provider *provider); #else +static inline int icc_std_aggregate(struct icc_node *node, u32 tag, u32 avg_bw, + u32 peak_bw, u32 *agg_avg, u32 *agg_peak) +{ + return -ENOTSUPP; +} + static inline struct icc_node *icc_node_create(int id) { return ERR_PTR(-ENOTSUPP);