NAME
class_device_destroy - removes a class device that was created with class_device_create
SYNOPSIS
void class_device_destroy(struct class * cls, dev_t devt);
ARGUMENTS
cls
the pointer to the struct class that this device was registered * with.
devt
the dev_t of the device that was previously registered.
DESCRIPTION
This call unregisters and cleans up a class device that was created with a call to class_device_create