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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E2130C433EF for ; Wed, 11 May 2022 06:49:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242371AbiEKGtv (ORCPT ); Wed, 11 May 2022 02:49:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33222 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242352AbiEKGtn (ORCPT ); Wed, 11 May 2022 02:49:43 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B2AE5D190 for ; Tue, 10 May 2022 23:49:37 -0700 (PDT) X-UUID: 79573bfb5a70440692823d77ced38a24-20220511 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.4,REQID:49595733-6d94-4492-a465-17de7ee345b7,OB:0,LO B:0,IP:0,URL:0,TC:0,Content:-20,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,AC TION:release,TS:-20 X-CID-META: VersionHash:faefae9,CLOUDID:3fe663b3-56b5-4c9e-8d83-0070b288eb6a,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,File:nil,QS:0,BEC:nil X-UUID: 79573bfb5a70440692823d77ced38a24-20220511 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 322758267; Wed, 11 May 2022 14:49:31 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Wed, 11 May 2022 14:49:30 +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; Wed, 11 May 2022 14:49:28 +0800 From: Yong Wu To: Joerg Roedel , Will Deacon , Matthias Brugger CC: , , , , Yong Wu , AngeloGioacchino Del Regno , , , , , , , , Guenter Roeck , Dan Carpenter Subject: [PATCH 0/4] iommu/mediatek: Improve safety from dts Date: Wed, 11 May 2022 14:49:16 +0800 Message-ID: <20220511064920.18455-1-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset contains several improved patches: [1/4] 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.) [2/4] Add a error path for MM dts parse. [3/4][4/4] To improve safety from dts. Base on this: https://lore.kernel.org/linux-mediatek/20211210205704.1664928-1-linux@roeck-us.net/ Base on linux-next-20220510. Guenter Roeck (1): iommu/mediatek: Validate number of phandles associated with "mediatek,larbs" Yong Wu (3): 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 drivers/iommu/mtk_iommu.c | 83 ++++++++++++++++++++++++++++----------- 1 file changed, 61 insertions(+), 22 deletions(-) -- 2.18.0