I am running 2.6.18 on a gumstix (GS) board and am having problems
receiving hotplug notifications when a USB connection is established.
The host side appears to be working normally. However, the gadget
side - the GS side - does not seem to be working.
I have written a simple hotplug script that is intended to be run
whenever a USB connection is established with the GS gadget.
I confirmed that the /proc/sys/kernel/hotplug file contains
"/sbin/hotplug" and placed the script in /sbin/hotplug. The script
looks something like:
if [ "$1" = "usb" ]
then
if [ "$ACTION" = "add" ]
then
# Do some things ....
fi
fi
...
Trouble is that the gadget-side kernel never calls the script when the
USB connection is established. Again, everything appears to work
fine on the host side. The problem is with the gadget side.
Do I need to explicitly register for certain types of notifications?
Or is there some other administrative step that is required in order
to receive the hotplug notifications?
Would greatly appreciate a couple of pointers here.
Thanks,
Todd
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