netdev - Re: [PATCH v1 1/9] mfd: Add core driver for Nuvoton NCT6694

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Message-ID: <CAOoeyxV=tziXgDKZr+deGpm5xjNiHgd5ykW04=JT6ESnBN7Xmg@mail.gmail.com>
Date: Fri, 25 Oct 2024 16:02:57 +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 1/9] mfd: Add core driver for Nuvoton NCT6694

Sorry, resending this email in plain text format.

Marc Kleine-Budde <mkl@...gutronix.de> 於 2024年10月24日 週四 下午5:57寫道：
>
> On 24.10.2024 16:59:14, Ming Yu wrote:
> > +static int nct6694_usb_probe(struct usb_interface *iface,
> > +                          const struct usb_device_id *id)
> > +{
> > +     struct usb_device *udev = interface_to_usbdev(iface);
> > +     struct device *dev = &udev->dev;
> > +     struct usb_host_interface *interface;
> > +     struct usb_endpoint_descriptor *int_endpoint;
> > +     struct nct6694 *nct6694;
> > +     int pipe, maxp, bulk_pipe;
> > +     int ret = EINVAL;
> > +
> > +     interface = iface->cur_altsetting;
> > +     /* Binding interface class : 0xFF */
> > +     if (interface->desc.bInterfaceClass != USB_CLASS_VENDOR_SPEC ||
> > +         interface->desc.bInterfaceSubClass != 0x00 ||
> > +         interface->desc.bInterfaceProtocol != 0x00)
> > +             return -ENODEV;
>
> I think you can use USB_DEVICE_INFO() and remove this manual check
>
> https://elixir.bootlin.com/linux/v6.11.5/source/include/linux/usb.h#L1056
>
> [...]

[Ming] Okay! I'll remove it and change USB_DEVICE()
to USB_DEVICE_AND_INTERFACE_INFO().

>
> > +
> > +static const struct usb_device_id nct6694_ids[] = {
> > +     { USB_DEVICE(NCT6694_VENDOR_ID, NCT6694_PRODUCT_ID)},
> > +     {},
> > +};
> > +MODULE_DEVICE_TABLE(usb, nct6694_ids);
>
> regards,
> Marc
>
> --
> Pengutronix e.K.                 | Marc Kleine-Budde          |
> Embedded Linux                   | https://www.pengutronix.de |
> Vertretung Nürnberg              | Phone: +49-5121-206917-129 |
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