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 9179B288DB; Tue, 5 Aug 2025 04:58:38 +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=1754369919; cv=none; b=FLVncG0MuOtTE8+fBzs7b2SnI8sS+YjDnTaWfr8eA3zrix3bEmq9Y0C7RbJam73AOXj7xQjnD5buRvJ44Czx1HWrmBh7ZzCvn6YEZerufhQN0yBMvcd6Qj+3cJoW7jH4WF1xlIjtJCa9hKT20tzTRU4DNNSOAMiaOrngTwl3IPg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754369919; c=relaxed/simple; bh=p3Ctln5ArnuqEriQVMrjSsSycEXSlWingWpH88cmVVY=; h=From:To:Cc:In-Reply-To:References:Subject:Message-Id:Date: MIME-Version:Content-Type; b=W1YiCk1fFqqaj0aubGqZ0J+YE8JDkOVJ32kQwSTLD+DWsVpFSskdFak31Q4Ihq3FROq/TQMYQOhmA8Q/6WQk8BN+DPR5Q/8+MdXwKijI0qfmpiXEM+1v9nq6BTkJdLMMGQt4PmsN5qDllv2lDsi9W+AAIinDOmaY7w23BoFIijQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=N3O1Xs24; 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="N3O1Xs24" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 21656C4CEF4; Tue, 5 Aug 2025 04:58:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1754369918; bh=p3Ctln5ArnuqEriQVMrjSsSycEXSlWingWpH88cmVVY=; h=From:To:Cc:In-Reply-To:References:Subject:Date:From; b=N3O1Xs243//hGVgduP9ucmQLc1mAU0+00JxEYL8S/mHxpbCYQj9YGa3ns+J0f+wbY XvH1iHOKTKJttx+GFQiutBfSbVUixllJOWlSwpQmhdJK5Qtb/0LnKeJBdghiHojBuO c1M5fhSZV8ex0HXNQYodcoubSS7yGINLqkaiXDjge2mBMnWefEE61tRyZK1UGo0sj3 M8tPxg5kUSxKUKr77ExSfJsg7eFUKrECodT5HIy6M5ai1LZ8JFh53r20tCF2YpO3pw 9irhgqipyxlolSqDyVR2cGCZmANlFRx9dfoJwEfgdC7Sgn+/IUi9pmf/bxqoLsRE3j MUe8qchs9beJQ== 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: <175436991267.243171.3381840472442505364.b4-ty@kernel.org> Date: Tue, 05 Aug 2025 10:28:32 +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: e0e2cea86f75c8255b7da13ec92a34bb35a9c4fb [8/8] dmaengine: qcom: bam_dma: Fix DT error handling for num-channels/ees commit: 2f8a2cfd0994adf5f71737bb0946a76800479220 Best regards, -- ~Vinod