From mboxrd@z Thu Jan  1 00:00:00 1970
From: Kay Sievers <kay.sievers@vrfy.org>
Date: Sun, 09 Jan 2005 15:44:26 +0000
Subject: Re: empty BUS name
Message-Id: <1105285466.6565.3.camel@localhost.localdomain>
List-Id: <linux-hotplug.vger.kernel.org>
References: <20050109162724.2fa09e22@inspiron>
In-Reply-To: <20050109162724.2fa09e22@inspiron>
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To: linux-hotplug@vger.kernel.org

On Sun, 2005-01-09 at 16:27 +0100, Alessandro Zummo wrote:
>  Hello,
> 
>   this is the output of udevinfo on my usb printer:
> 
> device '/sys/class/usb/lp0' has major:minor 180:0
>   looking at class device '/sys/class/usb/lp0':
>     SYSFS{dev}="180:0"
> 
> follow the class device's "device"
>   looking at the device chain at '/sys/devices/pci0000:00/0000:00:1f.2/usb1/1-1/1-1.2/1-1.2:1.0':
>     BUS=""
>     ID="1-1.2:1.0"

What does:
  ls -l /sys/bus/usb/devices/

print?


It works on my box:
  [kay@pim ~]$ udevinfo -a -p/sys/class/usb/lp0

  device '/sys/class/usb/lp0' has major:minor 180:0
    looking at class device '/sys/class/usb/lp0':
      SYSFS{dev}="180:0"

  follow the class device's "device"
    looking at the device chain at '/sys/devices/pci0000:00/0000:00:1d.1/usb3/3-1/3-1.3/3-1.3:1.0':
      BUS="usb"
      ID="3-1.3:1.0"
      SYSFS{bAlternateSetting}=" 0"
      SYSFS{bInterfaceClass}="07"
      SYSFS{bInterfaceNumber}="00"

Kay



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