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From: Alan Stern <stern@rowland.harvard.edu>
To: Bastien Nocera <hadess@hadess.net>
Cc: linux-usb@vger.kernel.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Benjamin Tissoires <benjamin.tissoires@redhat.com>
Subject: Re: [PATCH 3/5] USB: Implement usb_device_match_id()
Date: Wed, 9 Oct 2019 13:29:49 -0400 (EDT)	[thread overview]
Message-ID: <Pine.LNX.4.44L0.1910091328120.1603-100000@iolanthe.rowland.org> (raw)
In-Reply-To: <2bbaeba7abb332aaf9fb521602f7199ba1e77273.camel@hadess.net>

On Wed, 9 Oct 2019, Bastien Nocera wrote:

> > This would be better if you allowed matching against just the
> > idVendor 
> > field rather than matching against both.  That would make it a lot 
> > simpler to match all Apple devices, for instance.
> 
> That should already be possible. The matching code is the same as for
> the USB interface drivers.
> 
> Something like:
> static const struct usb_device_id apple_match[] = {
>     { .match_flags = USB_DEVICE_ID_MATCH_VENDOR,
>       .idVendor = USB_VENDOR_APPLE
>     },
>     {}
> }
> 
> And I couldn't use it in patch 5/5, as that's a range of product IDs,
> not all of them (which would be quite a lot more).

You can still use it in patch 5/5.  Match any device with Apple's VID;
then have the probe routine return -ENODEV if the PID is outside the
range you want.

Alan Stern


  reply	other threads:[~2019-10-09 17:29 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-09 13:43 [PATCH 0/5] Add Apple MFi fastcharge USB device driver Bastien Nocera
2019-10-09 13:43 ` [PATCH 1/5] USB: Export generic USB device driver functions Bastien Nocera
2019-10-09 13:43 ` [PATCH 2/5] USB: Make it possible to "subclass" usb_device_driver Bastien Nocera
2019-10-09 14:34   ` Alan Stern
2019-10-09 14:41     ` Alan Stern
2019-10-10  8:10     ` Bastien Nocera
2019-10-10  9:58   ` kbuild test robot
2019-10-09 13:43 ` [PATCH 3/5] USB: Implement usb_device_match_id() Bastien Nocera
2019-10-09 14:36   ` Alan Stern
2019-10-09 15:40     ` Bastien Nocera
2019-10-09 17:29       ` Alan Stern [this message]
2019-10-09 13:43 ` [PATCH 4/5] USB: Select better matching USB drivers when available Bastien Nocera
2019-10-09 14:43   ` Alan Stern
2019-10-09 15:35     ` Bastien Nocera
2019-10-09 17:28       ` Alan Stern
2019-10-09 18:24         ` Bastien Nocera
2019-10-09 18:45           ` Alan Stern
2019-10-10  8:26             ` Bastien Nocera
2019-10-10 14:19               ` Alan Stern
2019-10-10 10:33   ` kbuild test robot
2019-10-09 13:43 ` [PATCH 5/5] USB: Add driver to control USB fast charge for iOS devices Bastien Nocera

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