From patchwork Fri Feb 19 16:00:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 12095739 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=-16.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 65D26C433E6 for ; Fri, 19 Feb 2021 16:04:21 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id ED27664E60 for ; Fri, 19 Feb 2021 16:04:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ED27664E60 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:References:In-Reply-To:Message-Id:Date:Subject:To: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=SUv+9mjghNDYEicXBtYn++Z8D0GbuCNY9WTgbF1vzws=; b=GAkJhQVML3VZVPM+uvtTzuyDEv 0KKYNxFvJ2xWFJfqo7OAsZrREo+DTMJLNF2RBBkr6jaDjiFASH0stopc8F+HC++8K8cnHYIRPVHbE dAwdvJbLMEyhwt+JLIzxVwIpYdASZiU2LiCw/chY6fQsYRyePNGue6RDwzseTeLXJUa49yPNx5A/j R1w+HCZ9WWyIV8+nZcMvNtnfwWU+YTbieKpoGoeg4lkY3fw2wzfWufew13PKaeTNa7w6Hl04Mr4nT eex+ve1ihFh7rk4cfauwnSOg8UZzL/HL3iayrc85bFHSmMBRVKxluHXlgOUPfdivSmwj4Uy2Ac7d3 yNLH/TAw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1lD8EM-00086c-6f; Fri, 19 Feb 2021 16:02:11 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1lD8DK-0007n6-Hm for linux-arm-kernel@lists.infradead.org; Fri, 19 Feb 2021 16:01:15 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 9BDF420024B; Fri, 19 Feb 2021 17:01:05 +0100 (CET) Received: from inva024.eu-rdc02.nxp.com (inva024.eu-rdc02.nxp.com [134.27.226.22]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 8885E200235; Fri, 19 Feb 2021 17:01:05 +0100 (CET) Received: from fsr-ub1664-175.ea.freescale.net (fsr-ub1664-175.ea.freescale.net [10.171.82.40]) by inva024.eu-rdc02.nxp.com (Postfix) with ESMTP id E8B9C2042F; Fri, 19 Feb 2021 17:01:04 +0100 (CET) From: Abel Vesa To: Rob Herring , Shawn Guo , Sascha Hauer , Lucas Stach , Fabio Estevam , Chanwoo Choi , Georgi Djakov , Dong Aisheng , Peng Fan , Martin Kepplinger , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, Linux Kernel Mailing List Subject: [RFC 12/19] interconnect: imx: Add imx_icc_get_bw and imx_icc_aggregate functions Date: Fri, 19 Feb 2021 18:00:09 +0200 Message-Id: <1613750416-11901-13-git-send-email-abel.vesa@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1613750416-11901-1-git-send-email-abel.vesa@nxp.com> References: <1613750416-11901-1-git-send-email-abel.vesa@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210219_110106_768163_6B449124 X-CRM114-Status: GOOD ( 11.66 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: NXP Linux Team , Abel Vesa MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The aggregate function will return whatever is the highest rate for that specific node. The imx_icc_get_bw sets the initial avg and peak to 0 in order to avoid setting them to INT_MAX by the interconnect core. Signed-off-by: Abel Vesa --- drivers/interconnect/imx/imx.c | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/interconnect/imx/imx.c b/drivers/interconnect/imx/imx.c index db048df80011..5cc1ce55406c 100644 --- a/drivers/interconnect/imx/imx.c +++ b/drivers/interconnect/imx/imx.c @@ -25,6 +25,23 @@ struct imx_icc_node { struct dev_pm_qos_request qos_req; }; +static int imx_icc_get_bw(struct icc_node *node, u32 *avg, u32 *peak) +{ + *avg = 0; + *peak = 0; + + return 0; +} + +static int imx_icc_aggregate(struct icc_node *node, u32 tag, u32 avg_bw, + u32 peak_bw, u32 *agg_avg, u32 *agg_peak) +{ + *agg_avg = max(*agg_avg, avg_bw); + *agg_peak = max(*agg_peak, peak_bw); + + return 0; +} + static int imx_icc_node_set(struct icc_node *node) { struct device *dev = node->provider->dev; @@ -233,7 +250,8 @@ int imx_icc_register(struct platform_device *pdev, if (!provider) return -ENOMEM; provider->set = imx_icc_set; - provider->aggregate = icc_std_aggregate; + provider->get_bw = imx_icc_get_bw; + provider->aggregate = imx_icc_aggregate; provider->xlate = of_icc_xlate_onecell; provider->data = data; provider->dev = dev;