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smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=UrIXAiul; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 04E27606A323; Fri, 13 Nov 2026 12:38:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=UrIXAiul Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3C9E51F000C4; Fri, 13 Nov 2026 12:37:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794573487; bh=op12/FNxtzMjYZ2XBGncVTvz9Ic13GaEAyhOHqfepzY=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=UrIXAiulAlh5l+emGRr+Is0DKNy2jfg0CJE+DKG6TiQXuGZ1I7ifl8A6H+qc63vZ2 0aSj05WBsvSj5DU/m6qFKN+gRAMcfKcRS8fTUAK+GOiix2CsAVAPpQpT8yeQSRNZ9Z GfruoQ7sNuyQXwRlsZKwr5FDWzsgvJZEKYT8H42PwBRXc3zoRfz4F+xSwqgGyqsf+P 43NuCkB6cA869Pc5YiorgyCWZTwMqOpvJKX1T5FvfgMjGqFxuitoPTzwmlvIAMi+tx h//F4rvvN1bv+gJoajyYnBaXPr4jflUzTRDol4+uB/MmbyTRgCJ0p9hNAYAX8/HMOb Ff6+xcLaMy9Wg== Message-ID: <834ac9d1-92b9-4813-ba63-73bc2f6de4ca@kernel.org> Date: Fri, 13 Nov 2026 13:37:56 +0100 X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v7 3/5] iommu/of: Make OF_IOMMU depend on OF_ADDRESS To: Vikash Garodia , "Joerg Roedel (AMD)" , Vasant Hegde , Suravee Suthikulpanit , Will Deacon , Robin Murphy , David Woodhouse , Lu Baolu , Jean-Philippe Brucker , Rob Herring , Saravana Kannan , Tomasz Nowicki , Eric Auger , Bryan O'Donoghue , Joerg Roedel , Srinath Mannam , Oza Pawandeep , Lorenzo Pieralisi , Bjorn Helgaas , Alex Williamson Cc: iommu@lists.linux.dev, linux-kernel@vger.kernel.org, virtualization@lists.linux.dev, devicetree@vger.kernel.org, kvm@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, Vishnu Reddy References: <20261106-add_iommu_ranges-v7-0-5c0f72083e52@oss.qualcomm.com> <20261106-add_iommu_ranges-v7-3-5c0f72083e52@oss.qualcomm.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 06/11/2026 18:14, Vikash Garodia wrote: > The OF_IOMMU code relies on OF address parsing helpers, but the > dependency on OF_ADDRESS is not expressed in Kconfig. As a result, > of_iommu.c contains CONFIG_OF_ADDRESS guards and a __maybe_unused > annotation to handle configurations where OF_ADDRESS is disabled. > > Make OF_IOMMU depend on OF_ADDRESS and remove the now unnecessary > preprocessor guards and __maybe_unused annotation. > > The only architecture supporting OF without OF_ADDRESS is SPARC, which > does not use OF_IOMMU, so no functional change is intended. > > Suggested-by: Rob Herring > Co-developed-by: Vishnu Reddy > Signed-off-by: Vishnu Reddy > Signed-off-by: Vikash Garodia > --- > drivers/iommu/Kconfig | 2 +- > drivers/iommu/of_iommu.c | 4 +--- > 2 files changed, 2 insertions(+), 4 deletions(-) Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof