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| CDEV_ADD(9) | Char devices | CDEV_ADD(9) |
NAME¶
cdev_add - add a char device to the system
SYNOPSIS¶
int cdev_add(struct cdev * p, dev_t dev, unsigned count);
ARGUMENTS¶
struct cdev * p
the cdev structure for the device
dev_t dev
the first device number for which this device is
responsible
unsigned 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.
COPYRIGHT¶
| July 2017 | Kernel Hackers Manual 4.11 |