CDEV_ADD

Section: Char devices (9)
Updated: February 2011
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NAME

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.

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