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[23.128.96.18]) by mx.google.com with ESMTP id m5si3119010pgl.645.2022.01.27.12.00.56; Thu, 27 Jan 2022 12:01:34 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=RNpe9lY8; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=collabora.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235618AbiA0LRS (ORCPT + 99 others); Thu, 27 Jan 2022 06:17:18 -0500 Received: from bhuna.collabora.co.uk ([46.235.227.227]:51398 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231251AbiA0LRR (ORCPT ); Thu, 27 Jan 2022 06:17:17 -0500 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: kholk11) with ESMTPSA id B033F1F45091 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1643282235; bh=wZVt4wJ3ZIXwm5J3WkeI7DmuycE/6AgP9kxAmGl4MHk=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=RNpe9lY8NzKzJx8wUI+P77Ig0n7bSCYdR9WTVZzouOFw6c+LfKA1Kt6KIFOmCSjO3 avcutdFnsOoW1N8IruruloGhYR9o1NgPvQA9mABR7Hq6ejP6NEhREHIAebGIbyhdth JWEWY7k+uAPjmo6BIPgOdD+0ZBOteQayMekEJAe/9ShguNUg/kwbt+LaRquKUT+Xwo GqBDAk/5+240cemf8Zn5kFDGKBolI2674mKtm4AnCwRaX3x0EM8gzJrDz8iH5chhlT Wxkpzu2KUmN92wCeUPl7swGx4YViUtqUfuuLRXa7vr8vZjpUjx4IjJLsuKQta7zGgw 6/0p+2qKt+SYA== Subject: Re: [PATCH v4 29/35] iommu/mediatek: Add mtk_iommu_bank_data structure To: Yong Wu , Joerg Roedel , Rob Herring , Matthias Brugger , Will Deacon Cc: Robin Murphy , Krzysztof Kozlowski , Tomasz Figa , linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, Hsin-Yi Wang , youlin.pei@mediatek.com, anan.sun@mediatek.com, xueqi.zhang@mediatek.com, yen-chang.chen@mediatek.com, mingyuan.ma@mediatek.com, yf.wang@mediatek.com, libo.kang@mediatek.com, chengci.xu@mediatek.com References: <20220125085634.17972-1-yong.wu@mediatek.com> <20220125085634.17972-30-yong.wu@mediatek.com> From: AngeloGioacchino Del Regno Message-ID: Date: Thu, 27 Jan 2022 12:17:12 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <20220125085634.17972-30-yong.wu@mediatek.com> Content-Type: text/plain; charset=iso-8859-15; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Il 25/01/22 09:56, Yong Wu ha scritto: > Prepare for supporting multi-banks for the IOMMU HW, No functional change. > > Add a new structure(mtk_iommu_bank_data) for each a bank. Each a bank have > the independent HW base/IRQ/tlb-range ops, and each a bank has its special > iommu-domain(independent pgtable), thus, also move the domain information > into it. > > In previous SoC, we have only one bank which could be treated as bank0( > bankid always is 0 for the previous SoC). > > After adding this structure, the tlb operations and irq could use > bank_data as parameter. > > Signed-off-by: Yong Wu Reviewed-by: AngeloGioacchino Del Regno