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Thu, 3 Jul 2025 03:38:42 -0700 From: Sumit Gupta To: , , , , , , , CC: , , Subject: [PATCH v2 1/8] soc: tegra: cbb: clear err force register with err status Date: Thu, 3 Jul 2025 16:08:22 +0530 Message-ID: <20250703103829.1721024-2-sumitg@nvidia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250703103829.1721024-1-sumitg@nvidia.com> References: <20250703103829.1721024-1-sumitg@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH2PEPF00000141:EE_|SN7PR12MB8435:EE_ X-MS-Office365-Filtering-Correlation-Id: f200d268-18d2-4979-dd30-08ddba1dcfb1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|82310400026|1800799024|36860700013; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?VLeqkLV7MCZe0f8WLThdBXenzGYKJ8A1glQGE6WYwwU/S+1VThrKP9BbWQv5?= =?us-ascii?Q?fME/1khZaL31y0/1W7JfWjUo5PzX1XrJWToj1lvTRdz9qD+XLjhbl+9MBiVD?= =?us-ascii?Q?0yMLkiayyu+/hqlx3a6/mBTaoGtwKN/M/WY5YpUOkC/NCtD9z2YS6nNgP2v3?= =?us-ascii?Q?ymDfOb4rmCWmXx144meXrqzOIBrPZbIr9FqL63jjGRLCp37aaJof3NHDtkv1?= =?us-ascii?Q?pfOSemvKbv7JQU/Bz7qiGeZ74PUfdgnonnQx1X3Cs7If+iJCbX88tgNB92vH?= =?us-ascii?Q?97oiNy4qjq2NeaICinia3PW/dsIBApQDAvgyW9nlvLD6yPHh6O845R77B2GC?= =?us-ascii?Q?4kWa5tFJBF1WSM16ukwfNbyycS32dS06IOG7MiFXHERI6ZZwitJGjoobiY4W?= =?us-ascii?Q?ENiITj45ZW+wW6jWNk9XFFcoZsim2tPvGWenHbvfjvXucU7/fTWZ0f5RDyRX?= =?us-ascii?Q?ud81+7fcGN9Er9t3QDvFDakRCzjOr7YgtE/GUR2TqJNdi0ng2d2g0L6vI7U5?= =?us-ascii?Q?j72tVHu4JWYd+N09u88S9IOJ3+epRViYHa7xDlO5uH21j4+Bwa6aOaw38AEd?= =?us-ascii?Q?A1tbxceAynTSNvJQtxhr3GGlVzD33/DcnEDDSbTm5Qq5v1NQEhpbNeKb3YHq?= =?us-ascii?Q?F/ycQaBynAwNilLtSCa3/gT7yjF39D+HebVLT82hB6ZAxujmKgOqIwro9gAn?= =?us-ascii?Q?RjRZ4vw/GszCQE5c1B8DWvXOoGpvAhK6ynEKKDT0/PGpnhfKp+zgbDInKiCq?= =?us-ascii?Q?XmhmE9yT1c5TRUv3yYo/P0kP98ZLa7aCyczHqTanabkwRMmhz7AQriGFDBLq?= =?us-ascii?Q?Q0ZgvMvN66y8EW3j76kZjCR0GRnjzHdd49hXuRbjhX9tZJm8xZkoFia9IeVx?= =?us-ascii?Q?0G/qOcXHtk2zhglXQnimuxcNWLAz7aTzc5EP2McW66inydy29o+xtRrOU3gV?= =?us-ascii?Q?OaMOhFFYOLoKEVcMkl2BIT7MeOgrQdzG7BnCdmCpVuRThRWWZBp0BLbAMPIQ?= =?us-ascii?Q?nI5wiFstazsc+ci7fi6krZDgmsMl5I8WZxhUPM/TTFTE/we/ddqtcelbw6R4?= =?us-ascii?Q?HjWmBRgFvywQc2LKtdFZTQcXVKWJArwcjr6irkhRy2BzBj2CWOgHW2V6UL4+?= =?us-ascii?Q?nHPXLw3Ql6LPuBYFFvnZZBKcMZMtr2UfWDDfyyOTaw8s2kEbH8L9y+wh+2gf?= =?us-ascii?Q?2Lv/eguJET7c9DjOO6AwRdVbUznqrMFMKXiz17LndCe9V+BOTS5UC/i4sNpK?= =?us-ascii?Q?r/lMdyH9z+OSKIU8DQWpt+xIUULwqbQW11UsvrzU5aIuaCUQduSSW4tFaPn8?= =?us-ascii?Q?USjZThTSqjc+0Xqoljj65xEvB4R3fC5pTC5RYy88hMq9AscLkmnURtWxeaID?= =?us-ascii?Q?b9tuge9axf/Ub4eJUJxsTBx/slyiA2hVzc4Uwhns+hoU7w5whbEtlY6grmb4?= =?us-ascii?Q?ZU39T51SNGkQTLETC2rPtNaYwrpGeE6KLm/LfANAKM4KQqjwQep4HL6hExpA?= =?us-ascii?Q?k/1kCIQHpJNNJlCgWkbyn9w0qLgJ+qAUItYC?= X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230040)(376014)(82310400026)(1800799024)(36860700013);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Jul 2025 10:38:55.6305 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f200d268-18d2-4979-dd30-08ddba1dcfb1 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CH2PEPF00000141.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB8435 Content-Type: text/plain; charset="utf-8" When error is injected with the ERR_FORCE register, then this register is not auto cleared on clearing the ERR_STATUS register. This causes repeated interrupts on error injection. To fix, set the ERR_FORCE to zero along with clearing the ERR_STATUS register after handling error. Fixes: fc2f151d2314 ("soc/tegra: cbb: Add driver for Tegra234 CBB 2.0") Signed-off-by: Sumit Gupta --- drivers/soc/tegra/cbb/tegra234-cbb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/soc/tegra/cbb/tegra234-cbb.c b/drivers/soc/tegra/cbb/t= egra234-cbb.c index c74629af9bb5d..1da31ead2b5eb 100644 --- a/drivers/soc/tegra/cbb/tegra234-cbb.c +++ b/drivers/soc/tegra/cbb/tegra234-cbb.c @@ -185,6 +185,8 @@ static void tegra234_cbb_error_clear(struct tegra_cbb *= cbb) { struct tegra234_cbb *priv =3D to_tegra234_cbb(cbb); =20 + writel(0, priv->mon + FABRIC_MN_MASTER_ERR_FORCE_0); + writel(0x3f, priv->mon + FABRIC_MN_MASTER_ERR_STATUS_0); dsb(sy); } --=20 2.34.1