From: Oliver Neukum <oliver@neukum.name>
To: Greg KH <greg@kroah.com>,
linux-usb-devel@lists.sourceforge.net,
linux-kernel@vger.kernel.org
Cc: Patrick Mochel <mochel@osdl.org>
Subject: Re: [linux-usb-devel] [RFC] USB driver conversion to use "struct device_driver"
Date: Sat, 10 Aug 2002 11:57:28 +0200 [thread overview]
Message-ID: <200208101157.28759.oliver@neukum.name> (raw)
In-Reply-To: <20020810001005.GA29490@kroah.com>
Am Samstag, 10. August 2002 02:10 schrieb Greg KH:
> Hi all,
> The USB subsystem only binds drivers to USB "interfaces". A USB device
> may have many "interfaces", so a single device may have many drivers
> attached to it, handling different portions of it (think of a USB
> speaker, which has a audio driver for the audio stream, and a HID driver
> for the speaker buttons.) Because of this I had to create a "empty"
> device driver that I attach to the USB device structure. This ensures
> it shows up properly in the driverfs tree, and that no USB drivers try
> to bind to it.
Hi,
the probe/disconnect changes are an improvement.
But what do we call a device? IMHO the device in
terms of driverfs is the interface, thus the usb_device
should be seen as a bus, which interfaces are attached to.
Regards
Oliver
next prev parent reply other threads:[~2002-08-10 11:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-10 0:10 [RFC] USB driver conversion to use "struct device_driver" Greg KH
2002-08-10 9:57 ` Oliver Neukum [this message]
2002-08-10 15:40 ` [linux-usb-devel] " Greg KH
2002-08-10 21:18 ` David Brownell
2002-08-12 16:45 ` Greg KH
2002-08-12 18:30 ` David Brownell
2002-08-12 21:30 ` Greg KH
2002-08-12 23:36 ` David Brownell
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