On 10.12.2024 15:04:29, Prückl Thomas wrote: > > Can you show us the patch? > > My current patch currently just locks the isr and work queue. > I guess that additional locks are necessary too (e.g. in m_can_close) > > Subject: [PATCH] can: m_can: added mutex to lock isr and tx work queue Can you make the locking finer, I mean only lock the register access which is critical? And keep in mind, that you cannot use mutexes from the non-threaded IRQ handler, i.e. in non-peripheral mode. regards, Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung Nürnberg | Phone: +49-5121-206917-129 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-9 |
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