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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,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 651D6C2D0A3 for ; Mon, 9 Nov 2020 12:45:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E61D7207BC for ; Mon, 9 Nov 2020 12:45:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="gk6Y3BhB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729740AbgKIMpM (ORCPT ); Mon, 9 Nov 2020 07:45:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46912 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727303AbgKIMpL (ORCPT ); Mon, 9 Nov 2020 07:45:11 -0500 Received: from mail-wr1-x442.google.com (mail-wr1-x442.google.com [IPv6:2a00:1450:4864:20::442]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6B811C0613CF for ; Mon, 9 Nov 2020 04:45:11 -0800 (PST) Received: by mail-wr1-x442.google.com with SMTP id k2so5146186wrx.2 for ; Mon, 09 Nov 2020 04:45:11 -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=I5og6iQL2F2KU/9VCiyIO/1t7oyXeSMRtxWJsg/eg+g=; b=gk6Y3BhBCWnU2IL1KQsAWPoRse7BEKzs3cZVZMKCdpCN2TibgOHbiInvSTtrJh0dz0 QV+ae6jXdwNLSdZl0/pVilO9Hu1wAJLED+q/pEDus6UEFLxCiMQepflmsXsgo5XRhyi4 KNcDee4/GEagpFrxVO+3pSxcRFlDdfDRy1PGyY6YRx81kz+FrNDPsBjzm/EsQCSvbEnV LfX/ObUmMf4K8gsgQ4J8y2L6/kkmxlsPWeDKtZT8MMetegulDNNS/0lBhdDjmKHmUNDO ARxYYsFvBZ/8gdyIDHH/RmX58uyQ3gX5rOkbhR4eLovvIdZBYLBc1cdbzFyuwypS15yY n/Kw== 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=I5og6iQL2F2KU/9VCiyIO/1t7oyXeSMRtxWJsg/eg+g=; b=if6/7SorkkRAhVPNVNUwNeT24vpkQlz847U2juoBW8q+U6v9qOE8ImtbIlpwh9BsNX hdtQpx0kuFkd3PSvXqIaGUEYwXY2+ao29jI/DOZ3/S7LLh5HMCq/RCxvC/WmY3JfWxtj kMG4+TCVR+jaePMYoZO+vTUM4oPp2BRtAi6yCZtmitdhTQqejiq1zAtCaIQWiDEkDoOL ygM5itr3JnYT+u0svMdOiPjLKzdksYE4smouOMtdutDGZhPz/FJpgdCGIajTbSbvfa5S i2bRUTzrGK+piDWOSCSymAaQFKb8wLYXVsmmXkG/bZkr97vLcU5AsuYTQxY04bm2Kgsa aUFg== X-Gm-Message-State: AOAM533/dGMqvzrYB7psOq+gRban5AoafGtGLqvgDTrg1/iLjIJbkkC6 iz/z6t+LIQ+9H1x81SxczwprSdP1lekxhA== X-Google-Smtp-Source: ABdhPJwfwHgZiyEE+orXJW69vDATKlc6ekwB3kQ5qEptBVB3A8G5yP0BiBpzzsb8ED8FvWBBbdqFCQ== X-Received: by 2002:a5d:4084:: with SMTP id o4mr309309wrp.278.1604925910194; Mon, 09 Nov 2020 04:45:10 -0800 (PST) Received: from localhost.localdomain ([212.45.67.2]) by smtp.googlemail.com with ESMTPSA id d2sm13113259wrq.34.2020.11.09.04.45.08 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 09 Nov 2020 04:45:09 -0800 (PST) From: Georgi Djakov To: linux-pm@vger.kernel.org, luca@z3ntu.xyz, masneyb@onstation.org Cc: bjorn.andersson@linaro.org, saravanak@google.com, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Georgi Djakov Subject: [PATCH] interconnect: qcom: msm8974: Don't boost the NoC rate during boot Date: Mon, 9 Nov 2020 14:45:12 +0200 Message-Id: <20201109124512.10776-1-georgi.djakov@linaro.org> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It has been reported that on Fairphone 2 (msm8974-based), increasing the clock rate for some of the NoCs during boot may lead to hangs. Let's restore the original behavior and not touch the clock rate of any of the NoCs to fix the regression. Reported-by: Luca Weiss Fixes: b1d681d8d324 ("interconnect: Add sync state support") Signed-off-by: Georgi Djakov --- drivers/interconnect/qcom/msm8974.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/interconnect/qcom/msm8974.c b/drivers/interconnect/qcom/msm8974.c index b6b639dad691..da68ce375a89 100644 --- a/drivers/interconnect/qcom/msm8974.c +++ b/drivers/interconnect/qcom/msm8974.c @@ -637,6 +637,14 @@ static int msm8974_icc_set(struct icc_node *src, struct icc_node *dst) return 0; } +static int msm8974_get_bw(struct icc_node *node, u32 *avg, u32 *peak) +{ + *avg = 0; + *peak = 0; + + return 0; +} + static int msm8974_icc_probe(struct platform_device *pdev) { const struct msm8974_icc_desc *desc; @@ -690,6 +698,7 @@ static int msm8974_icc_probe(struct platform_device *pdev) provider->aggregate = icc_std_aggregate; provider->xlate = of_icc_xlate_onecell; provider->data = data; + provider->get_bw = msm8974_get_bw; ret = icc_provider_add(provider); if (ret) {