cdev_add (9) Linux Manual Page
cdev_add – add a char device to the system
Synopsis
int cdev_add(struct cdev *p, dev_t dev, unsigned count);Arguments
p
-
- the cdev structure for the device
dev
- the first device number for which this device is responsible
count
- the number of consecutive minor numbers corresponding to this device
Description
cdev_add adds the device represented by p to the system, making it live immediately. A negative error code is returned on failure.