From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 E68D822C35D; Mon, 28 Jul 2025 09:36:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753695391; cv=none; b=IfnLITam8x+HAMnXm53z6cFdP56uMtMUefZM8iGOgdxdaiQbAS/R/rJz49DL65nP6CVk0YHnXq3v5OkCXVO2+II1NmTuALR68/Qy6bnrIdlOVvwWncwoysQ2nU21GXw0LLhF99Bd6bfueKoBD/ACPMVwC/1vMv1wlZEGZaMQHgk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753695391; c=relaxed/simple; bh=3n4HhC/7wsuw6COyrxdLVHnQ6ZPOV/+3bIVhDFEv09s=; h=From:To:Cc:In-Reply-To:References:Subject:Message-Id:Date: MIME-Version:Content-Type; b=nrKFQ8OKL31Hq1zTBpksOqkaQ84t4nkjKE++vmzXJwNJz+8qsK0CqdTP6iHUH6+5Au5kLqHs8y/6guOpY3h4wAphH7ZpSg92t4+594bPPFnhDtsDuWrZDL72hPb4hoPAmwRNvjajLRzF6rVsKfVmLd2C6DWLd/KZ3Gcu1ixw18I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bVSOwmfQ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="bVSOwmfQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 226EBC4CEE7; Mon, 28 Jul 2025 09:36:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753695390; bh=3n4HhC/7wsuw6COyrxdLVHnQ6ZPOV/+3bIVhDFEv09s=; h=From:To:Cc:In-Reply-To:References:Subject:Date:From; b=bVSOwmfQwYZ0/WHu8G6oxZbLKERq7h7ySpobj9ZXcr+MJ30ZfeSnWMyub7S+ZxPEK 49KeYinltx73EITPQtST4Ttm/O5Fhk8XKUOgeyYVQWWcG7b5S7syvNCI1AlL3iuzvb YmXVIqLN1DdCC1DMFm6j/1DBIuA4alFXnZWClZ6uASPV7yxxyPIlf9Ew895tYje2lU UxzWnHdlKvdvLbKf16ISExwds0rSXTYV91aAcLe2YD7u0s2ifWzCxVDaHbRSVosIG/ /iBTC9xqF7udyij3hqXDEkpktGMALHhKr6j9jjWQWJaxmq0zc7qg/BvKXEB6CoYOsX bMP8/MPp5rveA== From: Vinod Koul To: Bjorn Andersson , Konrad Dybcio , Stephan Gerhold Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andy Gross , Neil Armstrong , Yuvaraj Ranganathan , Anusha Rao , Md Sadre Alam , linux-arm-msm@vger.kernel.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Luca Weiss , Srinivas Kandagatla In-Reply-To: <20250212-bam-dma-fixes-v1-0-f560889e65d8@linaro.org> References: <20250212-bam-dma-fixes-v1-0-f560889e65d8@linaro.org> Subject: Re: (subset) [PATCH 0/8] dmaengine: qcom: bam_dma: Fix DT error handling for num-channels/ees Message-Id: <175369538572.380782.9156416957982469667.b4-ty@kernel.org> Date: Mon, 28 Jul 2025 15:06:25 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.13.0 On Wed, 12 Feb 2025 18:03:46 +0100, Stephan Gerhold wrote: > num-channels and qcom,num-ees are required for BAM nodes without clock, > because the driver cannot ensure the hardware is powered on when trying to > obtain the information from the hardware registers. Specifying the node > without these properties is unsafe and has caused early boot crashes for > other SoCs before [1, 2]. > > The bam_dma driver has always printed an error to the kernel log in these > situations, but that was not enough to prevent people from upstreaming > patches without the required properties. > > [...] Applied, thanks! [7/8] dt-bindings: dma: qcom: bam-dma: Add missing required properties commit: b04b950fddfcf2f7b0e6f789499c256d15b70720 Best regards, -- ~Vinod