Re: [PATCH v1 0/9] Add Nuvoton NCT6694 MFD devices

Ming Yu
2024-10-30T14:21:22Z

Hi Marc,

okay, I will implement it in the next patch,
thank you very much!

Best regards
Ming

Marc Kleine-Budde <mkl@pengutronix.de> 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
>
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