Date: Wed, 18 May 2011 05:53:16 -0600 (MDT) From: Warren Block <wblock@wonkity.com> To: Hans Petter Selasky <hselasky@c2i.net> Cc: Charles Sprickman <spork@bway.net>, freebsd-usb@freebsd.org Subject: Re: usb serial port device naming Message-ID: <alpine.BSF.2.00.1105180546350.31485@wonkity.com> In-Reply-To: <201105180857.21315.hselasky@c2i.net> References: <alpine.OSX.2.00.1105170243500.1983@hotlap.nat.fasttrackmonkey.com> <201105171118.43267.hselasky@c2i.net> <6CFC0E04-AF60-4983-A6FA-0AEC3CFAF75A@vindaloo.com> <201105180857.21315.hselasky@c2i.net>
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On Wed, 18 May 2011, Hans Petter Selasky wrote: > On Tuesday 17 May 2011 18:19:25 Christopher Hilton wrote: >> On May 17, 2011, at 5:18 AM, Hans Petter Selasky wrote: >>> Hi, >>> >>> If you run 8-stable, there is some information you can lookup via sysctls >>> of the USB devices, which tells you which port belongs to which device. >>> >>> Use the serial number to identify your device, if your device has such a >>> value. >>> >>> usbconfig -d X.Y dump_device_desc >> >> Are you suggesting that one could use this information to config devd and >> perhaps automatically create a link to the correct port at USB attach >> time? I ask because I anticipate having to deal with this situation in the >> future. >> > > Yes, I think that is the idea. Currently this functionality is only introduced > in 8-stable and 9-current. If the serial number is available to devd, it might be possible to do that already. On attach, create a specially-named link to the device depending on the serial number.
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