From patchwork Sat Sep 26 13:02:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 11801405 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 AF6B1112C for ; Sat, 26 Sep 2020 13:02:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9255F221ED for ; Sat, 26 Sep 2020 13:02:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="VkaBAj6H" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728680AbgIZNCc (ORCPT ); Sat, 26 Sep 2020 09:02:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36806 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725208AbgIZNCb (ORCPT ); Sat, 26 Sep 2020 09:02:31 -0400 Received: from mail-wr1-x444.google.com (mail-wr1-x444.google.com [IPv6:2a00:1450:4864:20::444]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 58944C0613CE; Sat, 26 Sep 2020 06:02:31 -0700 (PDT) Received: by mail-wr1-x444.google.com with SMTP id k15so6823919wrn.10; Sat, 26 Sep 2020 06:02:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=w1nHgSXiyRX1I7vLuG0jsc7c+HKkk/aWCdpprslY+FI=; b=VkaBAj6HCVaUKP50urEs6yPeDxX7uIvgYksBmrWBSf9BzZ++ZMTfyfarLfnIsyLsCb 44CrG7EiYZBQ2/xGWON0F5lrgmnOyywgWBx7FQSt3TYRFIzfE0HYZAfd9BCpI5ohcdi4 zcY6GmsVdGZQFbmu7kObSVTTC6Qk96iS7cND6BSWuFBpRBSLwBCsuPevadSQnNP5E+7Y vDct0w1C+3hU1EcRMJvZpscTPG3AET+pdtRJnVwKbi82mq1Xu1iEwpBE8vNa79vVxB2x tFXf5IlhjuLTR3UFZJwUiV0ghfwQN85AYLOc6iRMX1Pth3PINL0dQK/uzUZWzizBUwsi z90A== 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=w1nHgSXiyRX1I7vLuG0jsc7c+HKkk/aWCdpprslY+FI=; b=kxLRbk9nyCucuFE2hC4uDKcf2fhbPbddNgppmzup7hR86dzoGTmlmAcHqp/A32kHrH /vNtEx7f3akiNYEtbGhd24SUsR4SBHG+zxQZryJbAgjFg/JaRj4YFcQTaplcWhidmssn aXwJAYdAVnFBuoH2oqwzJrCtCpmLXr3SP0qQtnNo2pKd4cADihIV1aCL5XVH26fWwy9t cd0CiZvVAdBUwS2jOhG1rlRy08UFPSc/PzKX27RzFsa0phC8CvEUIZmKJrUm0cA7EUH2 VI+Oadae6CjgELvIyYINp3HK2vLQXNwZKQr6lOwpqgiLPAaeg59dqSBN0JnjwwPCNsFy cOPw== X-Gm-Message-State: AOAM531BuTvGyMiMGN7upfdLvw0RgbQMgh36CrcSTmeadEak9G1EwjEa SH/ZH/r1hC5nAZj9Lmeak+Q= X-Google-Smtp-Source: ABdhPJwRRjjnq4BXKs+TCa/1HoKstgR181NpFmZ8bfn0I1tKyCsqL0sdiPihqYdoiED2L5VcZV3DZA== X-Received: by 2002:adf:f203:: with SMTP id p3mr9568911wro.339.1601125349876; Sat, 26 Sep 2020 06:02:29 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu ([2.237.20.237]) by smtp.gmail.com with ESMTPSA id f14sm7137738wrt.53.2020.09.26.06.02.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 26 Sep 2020 06:02:29 -0700 (PDT) From: kholk11@gmail.com To: agross@kernel.org Cc: bjorn.andersson@linaro.org, sboyd@kernel.org, kholk11@gmail.com, marijns95@gmail.com, konradybcio@gmail.com, martin.botka1@gmail.com, linux-arm-msm@vger.kernel.org, phone-devel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/4] clk: qcom: gcc-sdm660: Mark MMSS NoC CFG AHB clock as critical Date: Sat, 26 Sep 2020 15:02:22 +0200 Message-Id: <20200926130225.13733-2-kholk11@gmail.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200926130225.13733-1-kholk11@gmail.com> References: <20200926130225.13733-1-kholk11@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: AngeloGioacchino Del Regno Similarly to MSM8998, any access to the MMSS depends on this clock. Gating it will crash the system when RPMCC inits mmssnoc_axi_rpm_clk. Signed-off-by: AngeloGioacchino Del Regno --- drivers/clk/qcom/gcc-sdm660.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/clk/qcom/gcc-sdm660.c b/drivers/clk/qcom/gcc-sdm660.c index f0b47b7d50ca..93ac77628bec 100644 --- a/drivers/clk/qcom/gcc-sdm660.c +++ b/drivers/clk/qcom/gcc-sdm660.c @@ -1684,6 +1684,12 @@ static struct clk_branch gcc_mmss_noc_cfg_ahb_clk = { .hw.init = &(struct clk_init_data){ .name = "gcc_mmss_noc_cfg_ahb_clk", .ops = &clk_branch2_ops, + /* + * Any access to mmss depends on this clock. + * Gating this clock has been shown to crash the system + * when mmssnoc_axi_rpm_clk is inited in rpmcc. + */ + .flags = CLK_IS_CRITICAL, }, }, };