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

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Message-ID: <20241024-eminent-dancing-narwhal-8f25dd-mkl@pengutronix.de>
Date: Thu, 24 Oct 2024 13:57:07 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: Ming Yu <a0282524688@...il.com>
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

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          |
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