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

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Message-ID: <CAOoeyxUiFoU6hdj96ih4x_rUCBSzSCQ+vvab45=woZ3wLhNE7g@mail.gmail.com>
Date: Wed, 30 Oct 2024 22:21:07 +0800
From: Ming Yu <a0282524688@...il.com>
To: Marc Kleine-Budde <mkl@...gutronix.de>
Cc: tmyu0@...oton.com, lee@...nel.org, linus.walleij@...aro.org, brgl@...ev.pl, 
	andi.shyti@...nel.org, mailhol.vincent@...adoo.fr, andrew+netdev@...n.ch, 
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, 
	wim@...ux-watchdog.org, linux@...ck-us.net, jdelvare@...e.com, 
	jic23@...nel.org, lars@...afoo.de, ukleinek@...nel.org, 
	alexandre.belloni@...tlin.com, linux-kernel@...r.kernel.org, 
	linux-gpio@...r.kernel.org, linux-i2c@...r.kernel.org, 
	linux-can@...r.kernel.org, netdev@...r.kernel.org, 
	linux-watchdog@...r.kernel.org, linux-hwmon@...r.kernel.org, 
	linux-iio@...r.kernel.org, linux-pwm@...r.kernel.org, 
	linux-rtc@...r.kernel.org
Subject: Re: [PATCH v1 0/9] Add Nuvoton NCT6694 MFD devices

Hi Marc,

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

Best regards
Ming

Marc Kleine-Budde <mkl@...gutronix.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
>
> --
> Pengutronix e.K.                 | Marc Kleine-Budde          |
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