Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Tam Nguyen <tamnguyenchi@os.amperecomputing.com>
To:     linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org
Cc:     patches@amperecomputing.com, jarkko.nikula@linux.intel.com,
        andriy.shevchenko@linux.intel.com, mika.westerberg@linux.intel.com,
        jsd@semihalf.com, tamnguyenchi@os.amperecomputing.com,
        chuong@os.amperecomputing.com, darren@os.amperecomputing.com
Subject: [PATCH v2 0/2] i2c: designware: Handle invalid SMBus block data response length value
Date:   Wed, 26 Jul 2023 14:59:59 +0700
Message-Id: <20230726080001.337353-1-tamnguyenchi@os.amperecomputing.com>
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?GFyNOa2Ehgatq1qLmPtR5T8mIgaxp4ILcOTwmAqAQrUqfV2suseNz7CdueaX?=
 =?us-ascii?Q?QwtaRHFsgNBodjm2URfM//wwJ/hmaa7/yrKrLgY6fGkNMseo86GVR2XOyfEO?=
 =?us-ascii?Q?rBV0wNGQRp4a8GN/0Ef5f8vQqUyYykdvNgxw2QnTAgqD6JvLxigJlGiErEjX?=
 =?us-ascii?Q?S95bed82uk0W0tbolXvq1/bHnJDWFgWvq9lkX3zGCTtEvfdynts6QDJqA9aJ?=
 =?us-ascii?Q?jWhthWdOO0cfLZZuiCm9BNjHV1OBoPEwWIWm0r3awvEn3gKyeGL5jmHFoVrg?=
 =?us-ascii?Q?cq9d56M/qeXGRl+/wqQXP3mG66+ps4JZt2YJ8CZem0zsDruOPwEVqyQBtZ2J?=
 =?us-ascii?Q?iY33V8EFLE1ed70eMfKuijtHb4tCBUfAcBRCwFt8Dr6ftQ82TViGJEkoi0/P?=
 =?us-ascii?Q?ij5W88M9xouqAHWN4x8anPjxol225yS8jB+P8LYavc/phFonnDpI7IY0GOs4?=
 =?us-ascii?Q?t9cxkoEyiLxmiV0MykJd5s+xtoAJ37AHRdz/xggwX1BDVruqRC+HxsoDpGnn?=
 =?us-ascii?Q?kKPB3JEWoaKFcB8DknOPrI+fYVIIqw0l2kLNr1n657Vc09b1kx/BLZglb5Qm?=
 =?us-ascii?Q?hJ6BAjOpaZ6x4Dx77a4qEzzZi4FuFQCpw60reb/s4TwljAYzC0F1WJbtS3fx?=
 =?us-ascii?Q?AiAGTamHKQCjZjs4ZfwxxbnVDpvoBNgB7FFT1UQDRout9NiVZs3qt3mGbTyX?=
 =?us-ascii?Q?sr08GywMGfKV6+92JRu0klQr/viQTPmnefsoNEliWqG7knQA/a252DfcGHKu?=
 =?us-ascii?Q?hSwaFsrYJY5r0khBzPqX1Gm5AL+nQZb5CBGKRv5F6Xmsb9YJh0Cs2K+LXw5R?=
 =?us-ascii?Q?S5x0vmJr9rC/Wb5GjKI8CsUUNOv9QhmRroHlZF403cfHzlejxqaq085EHrmN?=
 =?us-ascii?Q?EjUzQVg5uq8yuoyzSFbs0bC40i9AEbRrf6Ise8MT0FOQrlswzcYCQlnA/JsK?=
 =?us-ascii?Q?LnuObLy5MNajmKK23HLaYxuamq+lAZpDZyyJ0vZ6HgbiW3KHuFuAZBR6JK+b?=
 =?us-ascii?Q?XRZSoJKsePjajCaeWhPeXpxax1N9PyodepA4Clls36V3YvYDmfN09bCtW0Nk?=
 =?us-ascii?Q?OOW84wNev/AqvX/CRdkxwzguO8+f/iTbCn5dffitl2X1RPDpiaCYXO3o+1iW?=
 =?us-ascii?Q?KLw7a23VSPU7AhOjZ3iYHttnrxICo3ULlooJqgpkY4hMvk72zQaBjgVhK/4b?=
 =?us-ascii?Q?Oa6yB0FyIU+KE4f1gZ2Qgp1B9xhMFl3TXJEgYTuV06YuGFixmKt4z4MpMV6o?=
 =?us-ascii?Q?LwNzSazFJRleGxGnUvPai1t+tQ3vRGxyDJ3MxyeTjrhFsoNA5XzXthmylkwi?=
 =?us-ascii?Q?YXaaXtcGbzWP+aFO5Iss31+D0NyUc/nB60oKhJ6NXMWx+UgNYjL2F7aaGAd6?=
 =?us-ascii?Q?PbL1/4dk6dsY1iURvLhvqW/l68pj7i81ornIYqbnMQZSxKpXOUvjCcyYppoZ?=
 =?us-ascii?Q?f/xz82pEDFBpj5FhIg8iajueEtKV+QSA4CpGyldsmGfGUNYeadtdp4JRidwL?=
 =?us-ascii?Q?l43hz1QIps3gQNVS389weeKUBvY7j73T4YwUWmFa6TrHENR15lnsFTsGPn2j?=
 =?us-ascii?Q?qTysGVc8N/qTUWDgx8uQJxePRh+zmtPIiEJz2lHK30Dj6O7zYaW7SjwVAAK8?=
 =?us-ascii?Q?6H00+2tSIZbDJH0lzp6kPeQNSM6IouF/q8L2QMIpYtKQ?=
X-OriginatorOrg: os.amperecomputing.com
X-MS-Exchange-CrossTenant-Network-Message-Id: cabb6f14-406e-4106-9bc3-08db8dae5f8c
X-MS-Exchange-CrossTenant-AuthSource: SA1PR01MB8131.prod.exchangelabs.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Jul 2023 08:00:27.3988
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 3bc2b170-fd94-476d-b0ce-4229bdc904a7
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: fw0BXWjZAQKcfDFhIV5ISgz4xIdxGq/95BmBiR7Nz4AemklVYHGpE99V3HSMOnNhgpuzLzghXz72jBGDhowVFfY+iUGSSefXxcbgWVlJBglwarv9p7vt+h9a8g8PKhm1
X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR01MB7988
X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,DKIM_VALID_AU,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,
        SPF_HELO_PASS,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED
        autolearn=ham autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

This v2 patch series updates the I2C DesignWare driver to handle invalid
SMBus block data response length value that causes the bus is hang and
can not be recovered.

v2:
  + Create new commit to correct length byte validation logic    [Quan]
  + Get right data length from IC_DATA_CMD register              [Jarkko]

Quan Nguyen (1):
  i2c: designware: Correct length byte validation logic

Tam Nguyen (1):
  i2c: designware: Handle invalid SMBus block data response length value

 drivers/i2c/busses/i2c-designware-master.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

-- 
2.25.1