From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 51C04C433F5 for ; Fri, 18 Feb 2022 12:52:46 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 04CC240BEA; Fri, 18 Feb 2022 12:52:46 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wtVPlH7DiQym; Fri, 18 Feb 2022 12:52:45 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp2.osuosl.org (Postfix) with ESMTPS id A4751405CB; Fri, 18 Feb 2022 12:52:44 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 87FCBC0021; Fri, 18 Feb 2022 12:52:44 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id B51C2C000B for ; Fri, 18 Feb 2022 12:52:43 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id B1773611A3 for ; Fri, 18 Feb 2022 12:52:43 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp3.osuosl.org (amavisd-new); dkim=pass (2048-bit key) header.d=collabora.com Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Pif_dfObLz5x for ; Fri, 18 Feb 2022 12:52:43 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by smtp3.osuosl.org (Postfix) with ESMTPS id 2B5096119D for ; Fri, 18 Feb 2022 12:52:43 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: kholk11) with ESMTPSA id 8FB211F46910 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1645188761; bh=7bVmllsSdo+zEWIfNE+5yNbesylSATeKRH84GE8XJgE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=n0/DAjtxFTgTEf0bWouyCh2A3lkCBOWFQdTJkWoafSl7oIAzgiSpDM8Jr3N3wPkpm cvjyL/C3QpVE4cCm/sJxaDj6tmLopwNOwhbrdFqXoNTEpH9dr3HSXXmA/ObhAPbRFX 7bJNy0HqO2YA8CNEPXZW/NEyC36qqgt4vv9BzZzlvGbs/rfNRYIvGGnSZ/4Mcw82RE EZQDW9ihRPTketCFdo2fwNRfDI0SnamcobthmwBNzgRLs8YrbrYfpcdOOQu9vmfl8f 3oCCmpoalIvSYmyADkRseoS0jgMPZc73OtTahhJavj6RRGmG/zWy7GlnJJ2s1Gew3L /8tDPN2MnzCwA== Message-ID: Date: Fri, 18 Feb 2022 13:52:37 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.1 Subject: Re: [PATCH v5 32/34] iommu/mediatek: Initialise/Remove for multi bank dev Content-Language: en-US To: Yong Wu , Joerg Roedel , Rob Herring , Matthias Brugger , Will Deacon References: <20220217113453.13658-1-yong.wu@mediatek.com> <20220217113453.13658-33-yong.wu@mediatek.com> From: AngeloGioacchino Del Regno In-Reply-To: <20220217113453.13658-33-yong.wu@mediatek.com> Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com, Krzysztof Kozlowski , chengci.xu@mediatek.com, xueqi.zhang@mediatek.com, linux-kernel@vger.kernel.org, libo.kang@mediatek.com, yen-chang.chen@mediatek.com, iommu@lists.linux-foundation.org, yf.wang@mediatek.com, linux-mediatek@lists.infradead.org, Hsin-Yi Wang , anan.sun@mediatek.com, Robin Murphy , mingyuan.ma@mediatek.com, linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Il 17/02/22 12:34, Yong Wu ha scritto: > The registers for each bank of the IOMMU base are in order, delta is > 0x1000. Initialise the base for each bank. > > For all the previous SoC, we only have bank0. thus use "do {} while()" > to allow bank0 always go. > > When removing the device, Not always all the banks are initialised, it > depend on if there is masters for that bank. > > Signed-off-by: Yong Wu Reviewed-by: AngeloGioacchino Del Regno _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu