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

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Message-ID: <CAOoeyxV4K=jR+tofeQtsMB7+smuu+Ghas5Tqfx4JvhuVK8dXrA@mail.gmail.com>
Date: Fri, 25 Oct 2024 16:22:01 +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,

I think the currently planned IRQ process meets expectations.
Is there anything that needs improvement?

Thanks,
Ming

Marc Kleine-Budde <mkl@...gutronix.de> 於 2024年10月24日 週四 下午7:57寫道：
>
> On 24.10.2024 16:59:13, Ming Yu wrote:
> > This patch series introduces support for Nuvoton NCT6694, a peripheral
> > expander based on USB interface. It models the chip as an MFD driver
> > (1/9), GPIO driver(2/9), I2C Adapter driver(3/9), CANfd driver(4/9),
> > WDT driver(5/9), HWMON driver(6/9), IIO driver(7/9), PWM driver(8/9),
> > and RTC driver(9/9).
> >
> > The MFD driver implements USB device functionality to issue
> > custom-define USB bulk pipe packets for NCT6694. Each child device can
> > use the USB functions nct6694_read_msg() and nct6694_write_msg() to issue
> > a command. They can also register a handler function that will be called
> > when the USB device receives its interrupt pipe.
>
> What about implementing a proper IRQ demux handler instead?
>
> Marc
>
> --
> Pengutronix e.K.                 | Marc Kleine-Budde          |
> Embedded Linux                   | https://www.pengutronix.de |
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