register_chrdev_region - register a range of device numbers
2. SYNOPSIS ▲
int register_chrdev_region(dev_t from , unsigned count , const char * name );
3. ARGUMENTS ▲
the first in the desired range of device numbers; must include the major number.
the number of consecutive device numbers required
the name of the device or driver.
4. DESCRIPTION ▲
Return value is zero on success, a negative error code on failure.
5. COPYRIGHT ▲