From patchwork Mon Aug 5 15:33:32 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Georgi Djakov X-Patchwork-Id: 11077191 X-Patchwork-Delegate: agross@codeaurora.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6846F1398 for ; Mon, 5 Aug 2019 15:33:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 56F342832B for ; Mon, 5 Aug 2019 15:33:38 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4B1F9286AA; Mon, 5 Aug 2019 15:33:38 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DFE3A286B5 for ; Mon, 5 Aug 2019 15:33:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729392AbfHEPdh (ORCPT ); Mon, 5 Aug 2019 11:33:37 -0400 Received: from mail-lj1-f196.google.com ([209.85.208.196]:37129 "EHLO mail-lj1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727460AbfHEPdg (ORCPT ); Mon, 5 Aug 2019 11:33:36 -0400 Received: by mail-lj1-f196.google.com with SMTP id z28so25439557ljn.4 for ; Mon, 05 Aug 2019 08:33:35 -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=MdJeprxlisYG8Xt385Sz+mmujOJvqAOkUH6DNb4w/D8=; b=B2Lhpbtr1RQ+61200Fmk9bx9MyVKDvEMyZ7/Sucu6j8pxDoI6avpjSje0laQDjRMYV VF1coVJgpdXAY89hZ2klNoOHN5jbuSkKkEmziApzwKR9b0+4dGSYq+0pML4qwwRoUkeZ cQAC6UiilaOZXiDSN8vOKYohnFIEwxtIr8QoKrzI/QGeD0IDaiDyhjah1Bch2ZDfLW/B tzhY0eJNcGYZFAD2KDbPILqRB7p2tkqIWuIhpwgCn16/EarR3t/SwJoTY01wVUePos+h 1gX+EYq+wSM41n4sorJgO18a39v/T/lkZscOxu1KTm6dHMly2jmTSyg21btav+M/Gj+I TfIg== 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=MdJeprxlisYG8Xt385Sz+mmujOJvqAOkUH6DNb4w/D8=; b=apmYR7i7RNhc18whTwJT8GkDwVu5ltrfoXEzA+sPRJFrAj+jhv9ql2JvU20YIo1pAg LSEu+bmdRxYj0CpR5dEHf+Iu/4Virp1nYI6OFrZI12myIEJfn0pBcZWOOQU3p6Hg2Rir iYvHAj++iLxJaiHi5cFe+4gBlSHL8sxbbbn+epRqG+pkNjpJrUa966yyg97Hu/5n/q2S w1RdQ+AFgd5XBwqomD/nMzJ9BYHRSTSipU1hrRX6TNnpw2I8P5LTDmwJ6TCGMrsK/U2w wyrbk2mG0w0JK+6xaB9MjzKfYcSKCvh097oCtOru4v9cAvP9Psb5+fyQvDRs61gIaYpN g6/w== X-Gm-Message-State: APjAAAVkzvo7e5xoZH4Uo+rL7H16zmAI56nCzGttzfZcyM27LmeKacgF jfiVX1zZDqCAEKSrsYLnH0+LMg== X-Google-Smtp-Source: APXvYqztjooZSce4zqpF9/gHXvgtQ0+44a+NSVLzEfRyM2p2N1elaBB8l4bVhR8hOcA4WY6jJHvlGw== X-Received: by 2002:a2e:534a:: with SMTP id t10mr39316085ljd.109.1565019215224; Mon, 05 Aug 2019 08:33:35 -0700 (PDT) Received: from localhost.localdomain ([212.45.67.2]) by smtp.googlemail.com with ESMTPSA id a15sm14969312lfl.44.2019.08.05.08.33.33 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 05 Aug 2019 08:33:34 -0700 (PDT) From: Georgi Djakov To: linux-pm@vger.kernel.org, evgreen@chromium.org, daidavid1@codeaurora.org Cc: vincent.guittot@linaro.org, bjorn.andersson@linaro.org, amit.kucheria@linaro.org, dianders@chromium.org, seansw@qti.qualcomm.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, Georgi Djakov Subject: [PATCH] interconnect: Add pre_aggregate() callback Date: Mon, 5 Aug 2019 18:33:32 +0300 Message-Id: <20190805153332.10047-1-georgi.djakov@linaro.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <752aca6f-4f69-301d-81ef-ff29bc25b614@linaro.org> References: <752aca6f-4f69-301d-81ef-ff29bc25b614@linaro.org> 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 X-Virus-Scanned: ClamAV using ClamSMTP Introduce an optional callback in interconnect provider drivers. It can be used for implementing actions, that need to be executed before the actual aggregation of the bandwidth requests has started. The benefit of this for now is that it will significantly simplify the code in provider drivers. Suggested-by: Evan Green Signed-off-by: Georgi Djakov --- drivers/interconnect/core.c | 3 +++ include/linux/interconnect-provider.h | 3 +++ 2 files changed, 6 insertions(+) diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c index 251354bb7fdc..7b971228df38 100644 --- a/drivers/interconnect/core.c +++ b/drivers/interconnect/core.c @@ -205,6 +205,9 @@ static int aggregate_requests(struct icc_node *node) node->avg_bw = 0; node->peak_bw = 0; + if (p->pre_aggregate) + p->pre_aggregate(node); + hlist_for_each_entry(r, &node->req_list, req_node) p->aggregate(node, r->tag, r->avg_bw, r->peak_bw, &node->avg_bw, &node->peak_bw); diff --git a/include/linux/interconnect-provider.h b/include/linux/interconnect-provider.h index 4ee19fd41568..fd42bd19302d 100644 --- a/include/linux/interconnect-provider.h +++ b/include/linux/interconnect-provider.h @@ -36,6 +36,8 @@ struct icc_node *of_icc_xlate_onecell(struct of_phandle_args *spec, * @nodes: internal list of the interconnect provider nodes * @set: pointer to device specific set operation function * @aggregate: pointer to device specific aggregate operation function + * @pre_aggregate: pointer to device specific function that is called + * before the aggregation begins (optional) * @xlate: provider-specific callback for mapping nodes from phandle arguments * @dev: the device this interconnect provider belongs to * @users: count of active users @@ -47,6 +49,7 @@ struct icc_provider { int (*set)(struct icc_node *src, struct icc_node *dst); int (*aggregate)(struct icc_node *node, u32 tag, u32 avg_bw, u32 peak_bw, u32 *agg_avg, u32 *agg_peak); + int (*pre_aggregate)(struct icc_node *node); struct icc_node* (*xlate)(struct of_phandle_args *spec, void *data); struct device *dev; int users;