Hi Marc, okay, I will implement it in the next patch, thank you very much! Best regards Ming Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> 於 2024年10月30日 週三 下午6:12寫道： > > On 30.10.2024 16:30:37, Ming Yu wrote: > > I am trying to register interrupt controller for the MFD deivce. > > I need to queue work to call handle_nested_irq() in the callback > > of the interrupt pipe, right? > > I think you can directly demux the IRQ from the interrupt endpoint > callback. But handle_nested_irq() only works from threaded IRQ context, > so you have to use something like generic_handle_domain_irq_safe(). > > Have a look for how to setup the IRQ domain: > > | drivers/net/usb/lan78xx.c > | drivers/net/usb/smsc95xx.c > > But the IRQ demux in the lan78xx only handles the PHY IRQ. The ksz > driver does proper IRQ demux: > > | net/dsa/microchip/ksz_common.c > > 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 |
