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Fri, 14 Nov 2025 09:51:29 +0100 Received: from [10.48.86.79] (10.48.86.79) by STKDAG1NODE2.st.com (10.75.128.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.17; Fri, 14 Nov 2025 09:51:16 +0100 Message-ID: <01dbb151-148f-46af-b843-f96f99910ea6@foss.st.com> Date: Fri, 14 Nov 2025 09:51:16 +0100 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/3] bus: rifsc: add stm32mp21 support and config dump debug entry To: Gatien Chevallier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin CC: , , , , "Conor Dooley" References: <20251106-rifsc_debugfs-v2-0-f90e94ae756d@foss.st.com> Content-Language: en-US From: Alexandre TORGUE In-Reply-To: <20251106-rifsc_debugfs-v2-0-f90e94ae756d@foss.st.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: ENXCAS1NODE2.st.com (10.75.128.138) To STKDAG1NODE2.st.com (10.75.128.133) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM2PEPF0001C70C:EE_|AS8PR10MB5831:EE_ X-MS-Office365-Filtering-Correlation-Id: 2ad6fd85-a9ee-403a-64ec-08de235e9a17 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|82310400026|1800799024|376014; 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X-OriginatorOrg: foss.st.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Nov 2025 09:17:15.1537 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2ad6fd85-a9ee-403a-64ec-08de235e9a17 X-MS-Exchange-CrossTenant-Id: 75e027c9-20d5-47d5-b82f-77d7cd041e8f X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=75e027c9-20d5-47d5-b82f-77d7cd041e8f;Ip=[164.130.1.60];Helo=[smtpO365.st.com] X-MS-Exchange-CrossTenant-AuthSource: AM2PEPF0001C70C.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR10MB5831 X-Authority-Analysis: v=2.4 cv=KoBAGGWN c=1 sm=1 tr=0 ts=6916f39d cx=c_pps a=JbfknYpaHg+7S6z5Esqmrw==:117 a=uCuRqK4WZKO1kjFMGfU4lQ==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=TP8aPCUxYTYA:10 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s63m1ICgrNkA:10 a=KrXZwBdWH7kA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=8b9GpE9nAAAA:8 a=n2zXhBmsAd_17serdwMA:9 a=QEXdDO2ut3YA:10 a=T3LWEMljR5ZiDmsYVIUa:22 a=cPQSjfK2_nFv0Q5t_7PE:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTE0MDA3MiBTYWx0ZWRfX5mG9zKJvR8FN kdXly16lZbBWAW1uPVblb2D3dNkhj0BzPNjprFLo7rXVD0QgF6ENdiw3bBA45DuIMzmtwlaiwcU fQ7z0mNCWcyJLJ28UXG70eiPT3cNfJZKii7/XLwt5p9LZ9FwR2XysmaDZVBS8yM5eWZt1gy5wF3 PQ3Lrm/KlcyBtlACLGLNjIV1u2mpfCpg1pCaIBYcDB+4FCgcX/EhHG3j6gxkMlU/VcnmMHwDtTt yup4YJR9wUIKQzY63RNy2PHcFyGTE1HQM/bPIUlg4Okh2TOK47X1h6Yol6V+m0Eu12BR6RRUWuL d3bIgkN3zx2xHVR5IGgjB9Ae0d3G684E86iRPFbRZOdubKL3ZcEUBomr1pQxlHzzccpo0VuN3TE c8i/v5ootTekknKfV98gObch6+s1BA== X-Proofpoint-ORIG-GUID: sRiOjl7rVeOMQyF_hKYn1Jf9PNG2GiY7 X-Proofpoint-GUID: sRiOjl7rVeOMQyF_hKYn1Jf9PNG2GiY7 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-14_02,2025-11-13_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 impostorscore=0 clxscore=1011 lowpriorityscore=0 malwarescore=0 bulkscore=0 adultscore=0 spamscore=0 suspectscore=0 priorityscore=1501 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511140072 Hi Gatien On 11/6/25 10:31, Gatien Chevallier wrote: > The STM32MP21x platforms have a slightly different RIFSC. Add support > for these platforms. > > Also, the RIF is a complex firewall framework which can be tricky > to debug. To facilitate the latter, add a debugfs entry that can > be used to display the whole RIFSC firewall configuration at runtime. > > Signed-off-by: Gatien Chevallier > --- > Changes in v2: > - Added Conor tag on bindings > - Fixed coccinelle warning by using str_enabled_disabled() when > applicable > - Link to v1: https://lore.kernel.org/r/20251104-rifsc_debugfs-v1-0-7ebdfbf8d33f@foss.st.com > > --- > Gatien Chevallier (3): > dt-bindings: bus: add stm32mp21 RIFSC compatible > arm64: dts: st: set RIFSC as an access controller on stm32mp21x platforms > bus: rifsc: add debugfs entry to dump the firewall configuration > > .../bindings/bus/st,stm32mp25-rifsc.yaml | 8 +- > arch/arm64/boot/dts/st/stm32mp211.dtsi | 4 +- > drivers/bus/stm32_rifsc.c | 597 ++++++++++++++++++++- > 3 files changed, 602 insertions(+), 7 deletions(-) > --- > base-commit: 6146a0f1dfae5d37442a9ddcba012add260bceb0 > change-id: 20251104-rifsc_debugfs-5053ea033ce3 > > Best regards, DT patch applied on stm32-next. I'll send a dedicated PR for other patches to arm-soc tree. regards Alex