Re: [linux-usb-devel] why was MODALIAS removed from usb kernel events? [u]

[Andreas Jellinghaus [c]]

Am Freitag, 17. August 2007 schrieb Alan Stern:
> On Fri, 17 Aug 2007, Andreas Jellinghaus [c] wrote:
> > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit
> >diff;h=9f8b17e643fe6aa505629658445849397bda4e4f
> >
> > removes MODALIAS from one of the events, this breaks user space
> > applications like openct - everything that depends on getting an event
> > that has both the DEVICE= path to the usb device and any information on
> > the interface, so it can check if the device is something it supports (in
> > case of openct: smart card reader, i.e. bInterfaceClass 0b).
>
> There is no MODALIAS for these events because there are no drivers for
> the devices they report.  Perhaps you should be looking at
> usb_if_uevent() in drivers/usb/core/message.c instead.  Is the problem
> that this routine doesn't set DEVICE, BUSNUM, or DEVNUM?

I need some kernel event that has both DEVICE and MODALIAS set. 
up to including kernel 2.6.21 this seems to come from 
drivers/usb/core/driver.c if I read the code correctly, and then
it was removed.

udevmonitor --kernel --environment shows one event with both on 2.6.21 plain, 
but not on 2.6.22 plain.

Regards, Andreas
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