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 AFD18259D; Tue, 9 Jan 2024 03:27:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mEQoqncy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 130CFC433C7; Tue, 9 Jan 2024 03:27:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1704770852; bh=oadwz3FDt1BgkOoIeSZJAkWVz6I1yACFQHKwE2eF30s=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=mEQoqncykXWh5WhLRGHRsF4KdRp0/hgkzb36kwTxhoIsKZQkDBjOwmCcMSnAhYYIw OpmAkvLPdNpHsZqkOQ1/38boNFVVUzs7iIEGwLvYegjuTZ4NiX2R0kgsR93uQUYHCW Sw8rxDrS5qGUvFDgGZvw3BBcMKnNMiiWJ25f5QHBFRT/FbF0mhQp4tZ8jKUVl/Wldi M0E52nYIpRGH9nzQecsLjll+KG4+9/sTW1K2E5CMFJ0K6N+bWgYi8QxFo1TavVEvHD xKpZOGhR7YCBNkmLJsBqc/VQC7j6kqnPcZctbb7DB/WjMOaB0GgzWLlodAallz48gW Y7UzFn5Z9hMYg== Received: (nullmailer pid 2583107 invoked by uid 1000); Tue, 09 Jan 2024 03:27:31 -0000 Date: Mon, 8 Jan 2024 20:27:31 -0700 From: Rob Herring To: Eugen Hristev Cc: bin.liu@mediatek.com, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: Re: [PATCH 1/2] dt-bindings: media: mediatek-jpeg-encoder: change max ioomus count Message-ID: <20240109032731.GA2578937-robh@kernel.org> References: <20231227130812.148914-1-eugen.hristev@collabora.com> 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=us-ascii Content-Disposition: inline In-Reply-To: <20231227130812.148914-1-eugen.hristev@collabora.com> On Wed, Dec 27, 2023 at 03:08:11PM +0200, Eugen Hristev wrote: > MT8186 has 4 iommus in the list, to cope with this situation, adjust > the maxItems to 4 (instead of previous 2). > Add also minItems as 1 since iommus are mandatory, to avoid warning > on the example. maxItems alone means minItems is the same size. If IOMMU is required, then 'required' is where that is defined. Is there a case where 1 IOMMU is valid? If so, what h/w has this case. Rob