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If I use a modified usb skeleton driver on Linux and I insmod the module with the USB device already plugged in, the probe function doesn’t get called. I need to unplug and replug the device in order for the driver to be activated.
This is not the case for e.g. the serial drivers, I made some tests.
Is there a reason for this? How do I get the probe function to get called?
Some software from us was opening the device from /proc/bus/usb and the device was claimed by the usbfs driver, so the new driver couldn’t claim the device.