From patchwork Mon Jul 11 21:06:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 12914275 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 32C08CCA487 for ; Mon, 11 Jul 2022 21:06:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231934AbiGKVGp (ORCPT ); Mon, 11 Jul 2022 17:06:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54370 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230070AbiGKVGn (ORCPT ); Mon, 11 Jul 2022 17:06:43 -0400 Received: from mail-ed1-x529.google.com (mail-ed1-x529.google.com [IPv6:2a00:1450:4864:20::529]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED67F6BC04; Mon, 11 Jul 2022 14:06:40 -0700 (PDT) Received: by mail-ed1-x529.google.com with SMTP id y4so7768233edc.4; Mon, 11 Jul 2022 14:06:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=PGbjfMuKxaOhS50lbNgGWMXPU73MU+jgwIU4egsEGPA=; b=VHt3yMJA1FdLEc0vJgKBkKlQoeeICXVviHGUKPmj8vH+6RyCWVLLO5ruBnZCw43LtF bWnJ2mjToqgKLUwmtDOEyL9optbnMiaLGlmB7sMID5MDftwinTzij/zb8jJ8HpGkYllZ diiQfFf8PKvfjHzDIZ5cpgMFep2a6ZFQ8OYWLjGp4ibGr0RnNvSwk0XKLQ4xpUTA8hyz 2aOFcb4UU9rWuUsBmuUp7523NeX3aAZBAeDmmJMX4WXdpyEhgesdJFUF2wFg0tWH6cuO bDU+pg08bBuQ2+CHEWVxpkSyMlhPpjsl0aMTX+8WMffp1/MvMMP5arfjz9oQQ269jT6b E96A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=PGbjfMuKxaOhS50lbNgGWMXPU73MU+jgwIU4egsEGPA=; b=ioOF14CmbrSZ+7+KVvm9syZVkKKbWQpUwjm7KCl4+BINe+dxCd9GpclfqrB3zjhjyl sh008cl4QNywbWB0bLpiiI2RHplVn+ImrnvJy093A6QV1ZVNNfzCPoNjBS/Ynil1ry+/ SdVCR9LXuaZ/3qjU2LKOGjB6W4lig651aAazIC/tKggGwQO5bPMuS8MEt8zB/AQLUeBo BrI/f+HMZtXb32JJCC5gPat2sngkbRbUFxx6JwkJX4ggvvOF4K7bLAOLKc08iNmzpzEF KsgYNGGFaudj8cCqBxPIokejzfJ70erwmUS1BfV+n0x8SXDBKyqAEV2e3kNsqmesmDbY 9bsA== X-Gm-Message-State: AJIora9ekgJv5nLaYonbzu7dter+bUpwKoTUmaSBQpd4lnqLK5qwEImD qp7ezqpLcv3TPLaqcNOgJXtkAcNHDXrsGQ== X-Google-Smtp-Source: AGRyM1sowQ6xE6jpQs3VbaWxjP/XD64VFRDPLbXmWlMdfH3EGGURoUzbtW2b/w7SY2k1ZzQ6wj4mWg== X-Received: by 2002:a05:6402:518b:b0:43a:dc65:35f8 with SMTP id q11-20020a056402518b00b0043adc6535f8mr6501856edd.185.1657573599610; Mon, 11 Jul 2022 14:06:39 -0700 (PDT) Received: from fedora.robimarko.hr (cpe-94-253-165-104.zg.cable.xnet.hr. [94.253.165.104]) by smtp.googlemail.com with ESMTPSA id lb17-20020a170907785100b0072a430d2abdsm3052562ejc.91.2022.07.11.14.06.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Jul 2022 14:06:39 -0700 (PDT) From: Robert Marko To: bjorn.andersson@linaro.org, agross@kernel.org, konrad.dybcio@somainline.org, mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@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 , Dmitry Baryshkov Subject: [PATCH v2 3/7] clk: qcom: apss-ipq6018: mark apcs_alias0_core_clk as critical Date: Mon, 11 Jul 2022 23:06:30 +0200 Message-Id: <20220711210634.3042092-3-robimarko@gmail.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220711210634.3042092-1-robimarko@gmail.com> References: <20220711210634.3042092-1-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, }, },