linux-kernel - [PATCH v4 0/6] iommu/mediatek: Improve safety from invalid dts input

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Message-ID: <20220824064306.21495-1-yong.wu@mediatek.com>
Date:   Wed, 24 Aug 2022 14:43:00 +0800
From:   Yong Wu <yong.wu@...iatek.com>
To:     Joerg Roedel <joro@...tes.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Will Deacon <will@...nel.org>
CC:     Robin Murphy <robin.murphy@....com>, <iommu@...ts.linux.dev>,
        <iommu@...ts.linux-foundation.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, "Yong Wu" <yong.wu@...iatek.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        <mingyuan.ma@...iatek.com>, <yf.wang@...iatek.com>,
        <libo.kang@...iatek.com>, <chengci.xu@...iatek.com>,
        <youlin.pei@...iatek.com>, <anan.sun@...iatek.com>,
        <xueqi.zhang@...iatek.com>, Guenter Roeck <groeck@...omium.org>,
        "Dan Carpenter" <dan.carpenter@...cle.com>
Subject: [PATCH v4 0/6] iommu/mediatek: Improve safety from invalid dts input

This patchset contains misc improve patches. Mainly to improve safety from 
invalid dts input.

Change notes:
v4: a) Just remove the first patch about dev_err_probe since it was merged.
    b) Rebase v6.0-rc1

v3: https://lore.kernel.org/linux-mediatek/20220701053942.3266-1-yong.wu@mediatek.com/
    a) Add platform_device_put from Robin.
    b) Use component_match_add instead component_match_add_release suggested from Robin.
    
v2: https://lore.kernel.org/linux-mediatek/20220616054203.11365-1-yong.wu@mediatek.com/
    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.
    the improve safety from dts is base on:
    https://lore.kernel.org/linux-mediatek/20211210205704.1664928-1-linux@roeck-us.net/

Guenter Roeck (1):
  iommu/mediatek: Validate number of phandles associated with
    "mediatek,larbs"

Yong Wu (5):
  iommu/mediatek: Add platform_device_put for recovering the device
    refcnt
  iommu/mediatek: Use component_match_add
  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 unused "mapping" member from mtk_iommu_data

 drivers/iommu/mtk_iommu.c | 115 +++++++++++++++++++++++++++-----------
 1 file changed, 83 insertions(+), 32 deletions(-)

-- 
2.18.0