From: "Randy.Dunlap" <rddunlap@osdl.org>
To: linux-hotplug@vger.kernel.org
Subject: Re: device number increasing in /proc/bus/usb ?
Date: Sun, 23 Nov 2003 19:57:26 +0000 [thread overview]
Message-ID: <marc-linux-hotplug-106961774812658@msgid-missing> (raw)
In-Reply-To: <marc-linux-hotplug-106954406302775@msgid-missing>
On Sun, 23 Nov 2003 00:27:18 +0100 wwp <subscript@free.fr> wrote:
| Hi hotplug folks,
|
|
| is it normal that device number increases each time I unplug/plug
| an USB mouse? For instance: first plug shows /proc/bus/usb/xxx/nnn,
| an each time I unplug/replug the device, nnn increases.
Yes, the USB subsystem doesn't reuse device numbers immediately.
Instead it assigns them in a round-robin manner, up to 127, then
restarting back at the low end with unassigned numbers.
--
~Randy
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prev parent reply other threads:[~2003-11-23 19:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-22 23:27 device number increasing in /proc/bus/usb ? wwp
2003-11-23 19:57 ` Randy.Dunlap [this message]
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