Re: general hotplug/udev questions

[Greg KH <greg@kroah.com>]

On Fri, Aug 19, 2005 at 10:33:02PM +0600, Alexander E. Patrakov wrote:
> Greg KH wrote:
> 
> >On Fri, Aug 19, 2005 at 03:09:59PM +0600, Alexander E. Patrakov wrote:
> > 
> >
> >>Do I understand correctly that the "crawl through sysfs" approach means 
> >>bus-specific conversion between sysfs contents (e.g the fact that 
> >>/sys/bus/usb/devices/1-1/idProduct contains "4002" here) and environment 
> >>variables (in this case, PRODUCT=...)?
> >>   
> >>
> >
> >Yes, but it's a world easier now that we have added the 'modalias' sysfs
> >files so we don't have to reconstruct anything.  All we care about at
> >coldplug time is loading the modules and creating existing device nodes.
> > 
> >
> Sorry, no. We should also care about providing some hook for packages 
> like SANE and gPhoto2 to chown/chmod pseudofiles in /proc/bus/usb. This 
> requires perfect reconstruction of at least $PRODUCT and $DEVICE.

Like Kay said, /proc/bus/usb/???/ is now dead.  We have sane device nodes for
those usbfs files now that udev can manipulate the permissions for
properly.  Run the latest -mm trees to see this.

Kay, you have a libusb patch to support this, right?  Care to share it?

thanks,

greg k-h


-------------------------------------------------------
SF.Net email is Sponsored by the Better Software Conference & EXPO
September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices
Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA
Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf
_______________________________________________
Linux-hotplug-devel mailing list  http://linux-hotplug.sourceforge.net
Linux-hotplug-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel