From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7C868C33CB1 for ; Fri, 17 Jan 2020 09:58:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 524912073A for ; Fri, 17 Jan 2020 09:58:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Wu8zTcz9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728921AbgAQJ6a (ORCPT ); Fri, 17 Jan 2020 04:58:30 -0500 Received: from mail-wr1-f68.google.com ([209.85.221.68]:41808 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726553AbgAQJ62 (ORCPT ); Fri, 17 Jan 2020 04:58:28 -0500 Received: by mail-wr1-f68.google.com with SMTP id c9so22053752wrw.8 for ; Fri, 17 Jan 2020 01:58:27 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=96TwPn9tZGUSDTaF/Oy40asyB7vDV/iwGB6pLp4mfFQ=; b=Wu8zTcz9k2Vpywvl31N0c25HBVn2qwXOqD+MWlsqko83KPs6S99De4fRi1hfH9F8TT Bg5GAmWjYud1pvlRTCQmmg2nHWybCYCtt0u8WW0WHk8rwJvl8LiDDa7JZ8IDcRORVEw3 2wtW9ktAzWPuLhTC9wg4wsxYNJZ4lJMqrpdVhlWS365QBIt5lSmxFzCPYY3ew2eFr4pF zUcuQdWuHEqjjl0oFrXtTNXF7ZGD6DbBmaOEfE8ryP1K2/cuK94vwoX8VlgL+5iye5IJ 3jgdn1lOCh62EdMU1CYcA5EuwBGMv9Fyhn7RbNbIIRnp3RRBvf5FpZKvi2Mx0KXUm1Pf asHw== 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=96TwPn9tZGUSDTaF/Oy40asyB7vDV/iwGB6pLp4mfFQ=; b=jHGfLbVve47fEU6jjtJE7C23tu8Ta0V406EF2jpupwfDlLgz80doZuKQeqwx1BXHWG 6qdL/z/lw9hmzPjKilDVooRkG9IH2ZRZ1EYKHItwwayVW/g3unbXjZgZoff99Ft4KolF Z4EBjt2raui6Ujv1BJr3twsL9xNKOj3g2sU2uENip8eeo+LicHNwmt97CXZvHK7bsZfX wrm6pVjOwbZWzN9TmdD1zq8tTIlqM1ijOJY3K66aEwqMkL9cDjHNEcIaJdjxeyuV0+3H s5u8MiCOo16SxTy4Te6YB6HYq2lPnBwcwN752d9Qpr29lOnR5IOL4q/CEsAZBd7zUf+9 D9Gg== X-Gm-Message-State: APjAAAW3I4qwUVvBgG9mtNnGRa8BNICciGOCzb4wOZON+ny/VmqFaTOx xBCGqj6bOTCB+9IlkUU1pB6xeg== X-Google-Smtp-Source: APXvYqw7rr5TbFsnSWWKlT8WqTuoJZTg7S/XbonYjwnU/AiKmIx6JDxL6B5TNmuGTi3EbzX1aVC3HA== X-Received: by 2002:adf:fe0e:: with SMTP id n14mr2278558wrr.116.1579255106666; Fri, 17 Jan 2020 01:58:26 -0800 (PST) Received: from localhost.localdomain ([212.45.67.2]) by smtp.googlemail.com with ESMTPSA id r62sm9967007wma.32.2020.01.17.01.58.25 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 17 Jan 2020 01:58:26 -0800 (PST) From: Georgi Djakov To: gregkh@linuxfoundation.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Georgi Djakov , Evan Green , Brian Masney , Bjorn Andersson Subject: [PATCH 06/12] interconnect: Add a common standard aggregate function Date: Fri, 17 Jan 2020 11:58:10 +0200 Message-Id: <20200117095816.23575-7-georgi.djakov@linaro.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200117095816.23575-1-georgi.djakov@linaro.org> References: <20200117095816.23575-1-georgi.djakov@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@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 Reviewed-by: Brian Masney Reviewed-by: Bjorn Andersson Reviewed-by: Evan Green Signed-off-by: Georgi Djakov --- 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 fbec2e4fdfeb..03625406c69f 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);