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Date: Thu, 26 Jun 2008 18:22:34 +0100
From: Hin-Tak Leung <hintak_leung@yahoo.co.uk>
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To: Larry Finger <Larry.Finger@lwfinger.net>
CC: Matthew Garrett <mjg@redhat.com>,
	"John W. Linville" <linville@tuxdriver.com>,
	herton@mandriva.com.br, linux-wireless@vger.kernel.org,
	flamingice@sourmilk.net, andreamrl@tiscali.it, linville@redhat.com
Subject: Re: [RFC][PATCH] Realtek 8187B wireless support with product id 0x8197/0x8189
References: <779389.39286.qm@web23108.mail.ird.yahoo.com> <48630FE7.7060800@lwfinger.net>
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Larry Finger wrote:
> Hin-Tak Leung wrote:
>> --- On Thu, 26/6/08, Matthew Garrett <mjg@redhat.com> wrote:
<snipped>
>> E:  Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
>> E:  Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
>> E:  Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
>> E:  Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
>> E:  Ad=07(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
>> E:  Ad=89(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
>> E:  Ad=0a(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
>> E:  Ad=0b(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
>> E:  Ad=0c(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> 
> My device doesn't show up in /proc, but /sys/bus/usb/devices/1-5/product 
> shows it to have the same Product string as yours, with a ProdID of 8187.
<snipped>

Is your usbfs mounted? you should have an entry similiar to this in your
fstab:
----------
none            /proc/bus/usb    usbfs  auto         0 0
----------
and that gives you the /proc/bus/usb/devices entries. Most userland
usb device drivers (libusb - scanners, ptp digital cameras) need the
/proc/bus/usb hierachy to work.
The usb endpoint list is a functional difference between the 8187 and 8187b.
(it runs to 0c for the 8187b, and does not have a 02 entry which the 8187 uses).