From patchwork Thu Aug 18 22:06:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 598568 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 37D05C28B2B for ; Thu, 18 Aug 2022 22:06:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343707AbiHRWGg (ORCPT ); Thu, 18 Aug 2022 18:06:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42850 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245098AbiHRWGf (ORCPT ); Thu, 18 Aug 2022 18:06:35 -0400 Received: from mail-ed1-x52c.google.com (mail-ed1-x52c.google.com [IPv6:2a00:1450:4864:20::52c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8EE6FD21F7; Thu, 18 Aug 2022 15:06:34 -0700 (PDT) Received: by mail-ed1-x52c.google.com with SMTP id c39so3563201edf.0; Thu, 18 Aug 2022 15:06:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=rXCQ8SbozupG6ha1H9wZwHDGGr1UUdJ24PVvc1F+k98=; b=qn5CAoIVHpQInp9BIT7gOkNmrutb2Ci1prwWfuAddCgSkrpdbHfyntWsKKfgPkgs44 8UQYym3h8qBk9LSWTscOy/GeZxsfbxAPjcxIycTTWYuqsG3gx7N6gnckZCqHWSKpJJxO j9lOR9f6am7jmSfxx3VizQModuY3HRLCfBz+FnT9hjMXV1OD2289Ca5BPcdyfQCxv8G6 FfQYhoIcD5eb+Y+nlBAAw+jzzXUzamGpRQolLg/WPKViRWshv+FywVcOb+4WtSMDeM05 9nediODEpyS2l1vaPfbF8JpR16TVhcpZj6C0dG2NCVTJEJSeGeoeY+Hjtoq5ZFc4j+6G uldg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=rXCQ8SbozupG6ha1H9wZwHDGGr1UUdJ24PVvc1F+k98=; b=zIOCTpLs0/NdRCvzM6bNNhAaYlTncCUhOqvNPz0iMrg+foaYcGu0CBVdyr47dThkGp hZ0im3PCJE82d3gMQGdFFPdBpLUo/Now8sCeakszfF/Q45DR2db5cP6h8Gqlqjyp5Vg4 YeNOXuJVQGnHlJKprNtahEO/qfNhdeExktKCGHjWqD0mvpjBKrB0UMHRQXKLqXZwQECw bGBiJQrnueXEIjpnPlDy4UNQwNJTax9yLNH/XcHp9TlpwzzjPPRLN54PAljZ05U+Q2l/ p6Hp/rCQfxveDRAWQJVww/6BvVuq8ezpKmD4bvCrclvIFsCWPwbRHyWdLPOL7i1zjORR ZvsA== X-Gm-Message-State: ACgBeo0Fp2ar2/z0AFGm+dT0A+iSCrXBXf/A/vIDU9qQU+yzQ/NxYNZW MEtfaK5Smlur2F9EGfoUNerWUDYeO2A= X-Google-Smtp-Source: AA6agR455XAlEKvdEXZh03rSWl/Cq/MwRL5ESK3iNkYuBOdA+v4ZUCmSFXNbYbvPrz93DjwqLNvMUQ== X-Received: by 2002:aa7:d802:0:b0:445:e618:fae8 with SMTP id v2-20020aa7d802000000b00445e618fae8mr3817005edq.182.1660860393009; Thu, 18 Aug 2022 15:06:33 -0700 (PDT) Received: from fedora.robimarko.hr (cpe-94-253-165-74.zg.cable.xnet.hr. [94.253.165.74]) by smtp.googlemail.com with ESMTPSA id dk5-20020a0564021d8500b00442d5054a51sm1851584edb.87.2022.08.18.15.06.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Aug 2022 15:06:32 -0700 (PDT) From: Robert Marko To: agross@kernel.org, bjorn.andersson@linaro.org, konrad.dybcio@somainline.org, mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, sivaprak@codeaurora.org, dmitry.baryshkov@linaro.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Robert Marko Subject: [PATCH v3 3/9] clk: qcom: apss-ipq6018: mark apcs_alias0_core_clk as critical Date: Fri, 19 Aug 2022 00:06:22 +0200 Message-Id: <20220818220628.339366-3-robimarko@gmail.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220818220628.339366-1-robimarko@gmail.com> References: <20220818220628.339366-1-robimarko@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org While fixing up the driver I noticed that my IPQ8074 board was hanging after CPUFreq switched the frequency during boot, WDT would eventually reset it. So mark apcs_alias0_core_clk as critical since its the clock feeding the CPU cluster and must never be disabled. Fixes: 5e77b4ef1b19 ("clk: qcom: Add ipq6018 apss clock controller") Signed-off-by: Robert Marko Reviewed-by: Dmitry Baryshkov --- drivers/clk/qcom/apss-ipq6018.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/qcom/apss-ipq6018.c b/drivers/clk/qcom/apss-ipq6018.c index be952d417ded..f2f502e2d5a4 100644 --- a/drivers/clk/qcom/apss-ipq6018.c +++ b/drivers/clk/qcom/apss-ipq6018.c @@ -56,7 +56,7 @@ static struct clk_branch apcs_alias0_core_clk = { .parent_hws = (const struct clk_hw *[]){ &apcs_alias0_clk_src.clkr.hw }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, },