From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 969A647F3B6; Mon, 5 Oct 2026 17:40:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791222045; cv=none; b=MDBpSUWH+MNy33azVkpp4kvnrnmKI67DYtdkSbIkYaTN4P5EqV+Gd08h6qX6ENR+uYBj+2vGh8KMusr18TWPXhpO4Bild0Z1auQv2M4H/o6kywQd1eO2K5/6TUl8edIO435kKADs9vLU11NULmgHjTLLn1aOcv584DzGScAOUOY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791222045; c=relaxed/simple; bh=7U8m1Zca4pEKhVmN7k/bLPJQg+o2jKIWLPV960mCk6k=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=AKuh2pXXNFD/KzUC4Yoyre62ARgWJNDfJuRbl0EDuqtp71mtEF4wCU2gGcBO+DJL5tnF2e7AnNYfDUnHDqmF1J/dqqotaYfGyLazBGkWVvflVrCkuhaUBLou8SD7tsANZTGHhBxwGSJ8pb+BfjW+PQggxihtMZTawT7LS5EME9s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AYBy8r2z; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="AYBy8r2z" 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> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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> 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)