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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Dec 2025 18:16:09.6890 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2280cd60-1aa4-4d9f-1c19-08de374f0751 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.195];Helo=[lewvzet201.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: CH2PEPF00000140.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV8PR10MB7728 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251209_101620_920956_C03EAE31 X-CRM114-Status: GOOD ( 20.59 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Francesco, On 12/9/25 7:43 AM, Francesco Dolcini wrote: > Hello Shree, > > On Thu, May 01, 2025 at 10:32:12AM -0500, Shree Ramamoorthy wrote: >> On 4/30/25 5:21 AM, Francesco Dolcini wrote: >>> On Wed, Apr 30, 2025 at 10:01:14AM +0200, Francesco Dolcini wrote: >>>> On Tue, Apr 29, 2025 at 06:52:40PM +0200, Andreas Kemnade wrote: >>>>> Am Tue, 29 Apr 2025 15:21:19 +0200 >>>>> schrieb Francesco Dolcini : >>>>> >>>>>> Hello all, >>>>>> while working on adding support in mainline for a new board based on TI >>>>>> AM62P SoC I noticed the following Kernel Oops. >>>>>> >>>>>> This oops was reproduced running current Linux >>>>>> master, 6.15.0-rc4+, ca91b9500108d4cf083a635c2e11c884d5dd20ea, but I was able >>>>>> to reproduce the same with 6.14.4. >>>>>> >>>>> [...] >>>>>> [ +0.000022] Call trace: >>>>>> [ +0.000011] regulator_notifier_call_chain+0x20/0xa4 (P) >>>>>> [ +0.000018] tps65219_regulator_irq_handler+0x34/0x80 >>>>> wild guessing: maybe because irqdata->rdev is not initalized in >>>>> _probe()? At least I do not see where it would be initialized. >>>> your wild guess seems correct, I'll send a proper patch with your >>>> suggested-by after doing a couple of more tests, thanks. >>> so, the bug is clear, however the fix is not an obvious one liner as I was >>> wishing. >>> >>> we would need to add a link from each of the interrupts to the specific >>> regulator. as of now such a connection is not existing in the code. >> I'll try out implementing and testing the solution, but will get to it early next week. Will email with any updates! > What's the status on this? Were you able to do any progress or work on > it? > > Thanks > Francesco Thanks for following up on this, the task got lost on my end. My apologies! The original line deleted `irq_data[i].rdev = rdev;` was never replaced. The correct code should be re-implementing a version of the tps65219_get_rdev_by_name() function that was removed in commit 64a6b57 & add in irq_data.rdev = rdev;` where the other irq_data fields are being assigned within _probe. Is there anything missing with this solution? Thanks! > -- Best, Shree Ramamoorthy PMIC Software Engineer