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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 78B9CCA5FFC for ; Mon, 5 Oct 2026 17:40:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=E4Jqods8IWa/ZQf++Sp/pm73Ty9twiHlBoi2wyBEMeY=; b=Z3hn0kUgL4UfU6jrWGF020bKRZ a6+vdF9rl3Op+RGeVs8Wn6d/BqL/+Us66Q5flK6mzuXIhK+y/LUklrE9qv90qwoR+qrBUT1ipz7Tk UmPD11RTNqGaX/s2XcZWuX8QRJSdko1Div4sewfGygRzO4fW8FrwvyDQtbcwkLxJgynzJFGfQeAZY px+Yz5jHvchdv3oM3zzMCD1pp6j4t2MWqJeXcG3TOtfwo2ENHY436//JLBnNrvxoyKtti26ZlHAYZ cx807x+jlDu1ncilBblJojsofsjV/JjOvogpzL71AN0qnQYRb5/Ktz+FEZb/tta5Cruhr6q9uSjoJ eqIgwEdQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xDmgA-0000000GwTy-28Lu; Mon, 05 Oct 2026 17:40:46 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xDmg9-0000000GwTr-0nkd for linux-arm-kernel@lists.infradead.org; Mon, 05 Oct 2026 17:40:45 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 99BA040367; Mon, 5 Oct 2026 17:40:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 52A521F000FF; Mon, 5 Oct 2026 17:40:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791222044; bh=E4Jqods8IWa/ZQf++Sp/pm73Ty9twiHlBoi2wyBEMeY=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=AYBy8r2zPPN96iYrCxO7dDwGAshqmqMYT9Xwli1hFFpFPfx6GsrtRizCD+56Ol6Vc ExMs/eTJNdmY6oMDOe9Dzk1KL1ajy7/hSvMF3R95yBKilpjd/mdk0aQEfX0Jt0Syng v7bqRQMKgVEFz+Tg8ggmzT+ucRNEUC8iyvH0G4le69jll6wzHNXwYeCEty1Oapm9Wu Y1kaMJCLpD7DC3CWJK3h28C5ikIryGN0+NItACht0ndP1288W5hqIH8PceEI+8Ju9v y8n/Cm75k/6fEt2qGfIH46DVMeVnOVL8alYQgrVcRVWe4tMSh7NfUi6NCF/zdw2bEm vPguiYKnweQGQ== Date: Mon, 5 Oct 2026 12:40:43 -0500 From: "Rob Herring (Arm)" To: Leo Yan Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Mike Leach , Michal Simek , coresight@lists.linaro.org, linux-arm-msm@vger.kernel.org, Wei Xu , Bjorn Andersson , Conor Dooley , James Clark , Suzuki K Poulose , Konrad Dybcio , linux-arm-kernel@lists.infradead.org, Mathieu Poirier , Krzysztof Kozlowski Subject: Re: [PATCH 1/5] dt-bindings: arm: coresight: Limit static replicator to atclk Message-ID: <179122204306.1272624.8336607920043307135.robh@kernel.org> References: <20261002-arm_coresight_hi3660_remove_dynamic_funnel_clocks-v1-0-c3edca1c480b@arm.com> <20261002-arm_coresight_hi3660_remove_dynamic_funnel_clocks-v1-1-c3edca1c480b@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261002-arm_coresight_hi3660_remove_dynamic_funnel_clocks-v1-1-c3edca1c480b@arm.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, 02 Oct 2026 16:07:20 +0100, Leo Yan wrote: > Static replicators have no programmable registers and need no APB > programming clock. > > The Zynq clock controller registers dbg_trc and dbg_apb and calls > clk_prepare_enable() for each gate the bootloader left on. This does not > depend on the CoreSight nodes' clock references, so removing the unused > consumer entries leaves this protection intact. > > Keep atclk optional for SoCs that need to control the trace datapath. > The unchanged driver still accepts legacy firmware that supplies > apb_pclk, atclk, or both by name. > > Assisted-by: Codex:gpt-6 > Signed-off-by: Leo Yan > --- > .../bindings/arm/arm,coresight-static-replicator.yaml | 11 ++--------- > 1 file changed, 2 insertions(+), 9 deletions(-) > Reviewed-by: Rob Herring (Arm)