Thank you greg, and thank you for your excellent work on udev.

I tried, but finally gave up because I'm using a embedded system with a 
highly modified uClinux 2.4.22. Is there any chance to solve this problem 
with devfs? Or can udev run under such a platform without performance loss?

brs
Edward

>From: Greg KH <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>CC: linux-usb-users@lists.sourceforge.net
>Subject: Re: [Linux-usb-users] Matching usb port with device file
>Date: Sun, 4 Feb 2007 23:03:05 -0800
>
>On Mon, Feb 05, 2007 at 09:23:45AM +0800, [EMAIL PROTECTED] wrote:
> > Hi,
> >
> > I need to locate the device file by every usb port. Could anyone give me 
>a
> > hint?
> >
> > The background is I have two usb ports. On each port, there is a usb 
>mass
> > storage device. I need to mount corresponding device file when 
>application
> > chose the usb port. I know the device files are
> > /dev/scsi/host0/bus0/target0/lun0/disc and
> > /dev/scsi/host1/bus0/target0/lun0/disc. But I don't know which is from 
>usb
> > port1.
>
>Try using udev to map this properly, it will show you this information
>if you use the udevinfo program.
>
>good luck,
>
>greg k-h

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