"Dunlap, Randy" wrote:
> Do you mean the revoke functionality or the usbdevfs facility?
usbdevfs. The device requires some rather complex initialisation,
which I want to keep in user space...
> It seems to me like "kill access on unplug" would be needed by
> all USB drivers. Is there something about your device that
Yes. But to do this you need some state associated with each opener
of the device (and some means to enumerate all openers when the
device goes away). Normal device drivers have that capability
quite naturally, procfs does not and makes it impossible to add
without changing the generic code.
> Are you saying that JE's patch isn't compatible with your
> USB device & driver?
Apart from the device names it is, so I can live with this.
However if Alan says devfs won't be available in the distributions
and usbdevfs is integrated into devfs, then usbdevfs will not
be widely available, which means users have to manually configure it
(and possibly recompile their kernel), which would be a support
nightmare...
Tom
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