From patchwork Thu Jun 16 05:41:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?WW9uZyBXdSAo5ZC05YuHKQ==?= X-Patchwork-Id: 12883364 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 3C22FC433EF for ; Thu, 16 Jun 2022 05:52:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=dAIX+x2gbyEfee9ipsqOnBvpVBRFausowR+ZSp5lwGE=; b=ecsdPRvHI+OvgG y0nfOxJQi1AtPaz2PA8XtU/UQhgUs583ZrzLTFT8pHqn62TvzcNMqi1aOqNNmH6lYZ3CY5MEiCxYA YM//jRcVi16Zkjyo0bJYXiQg/fJT5yQzET4FKBK+3C4obSKmYN/1VQQX276W8uEokD9CoBUNT8Q1B xdr+4o60fzBsIVsjIOdsiOYCo/0YeTIbPkSdOOFgxpB+cZHdCbqDe/pjfr+XzB/KOfzp5ab3OzFYE sPy+snYNGfPOCrFqmLKlNu9yiywThNx3kaQVSCci+AkBY7oeqXNSYHe58UQwUDVLutlqDDlBann0j EwzQCBRrGZ34TeYMouaQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o1iQD-000dBT-5h; Thu, 16 Jun 2022 05:52:01 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o1iPl-000cuT-P0; Thu, 16 Jun 2022 05:51:35 +0000 X-UUID: ce7698d47b64449ca5e2ecde7d44f709-20220615 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.6,REQID:6ed565ef-91a3-4e3c-aae4-384989107a6e,OB:0,LO B:0,IP:0,URL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACT ION:release,TS:-5 X-CID-META: VersionHash:b14ad71,CLOUDID:70df6ff6-e099-41ba-a32c-13b8bfe63214,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:1,File:nil ,QS:nil,BEC:nil,COL:0 X-UUID: ce7698d47b64449ca5e2ecde7d44f709-20220615 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 421403886; Wed, 15 Jun 2022 22:51:27 -0700 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 15 Jun 2022 22:42:25 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Thu, 16 Jun 2022 13:42:24 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 16 Jun 2022 13:42:22 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Will Deacon CC: , , , , "Yong Wu" , AngeloGioacchino Del Regno , , , , , , , , Guenter Roeck , "Dan Carpenter" Subject: [PATCH v2 0/5] iommu/mediatek: Improve safety from dts Date: Thu, 16 Jun 2022 13:41:58 +0800 Message-ID: <20220616054203.11365-1-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220615_225133_833088_1C543F32 X-CRM114-Status: UNSURE ( 9.13 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patchset contains misc improve patches: [1/5] When mt8195 v7, I added a error log for dts parse fail, but it doesn't ignore probe_defer case.(v6 doesn't have this err log.) [2/5] Add a error path for MM dts parse. [3/5][4/5] To improve safety from dts. Base on this: https://lore.kernel.org/linux-mediatek/20211210205704.1664928-1-linux@roeck-us.net/ Change notes: v2: a) Rebase on v5.19-rc1. b) Add a New patch [5/5] just remove a variable that only is for v1. v1: https://lore.kernel.org/linux-mediatek/20220511064920.18455-1-yong.wu@mediatek.com/ Base on linux-next-20220510. Guenter Roeck (1): iommu/mediatek: Validate number of phandles associated with "mediatek, larbs" Yong Wu (4): iommu/mediatek: Use dev_err_probe to mute probe_defer err log iommu/mediatek: Add error path for loop of mm_dts_parse iommu/mediatek: Improve safety for mediatek, smi property in larb nodes iommu/mediatek: Remove a unused "mapping" which is only for v1 drivers/iommu/mtk_iommu.c | 86 +++++++++++++++++++++++++++------------ 1 file changed, 61 insertions(+), 25 deletions(-)