CCW_DEVICE_SET_ONLIN(9)                    The ccw bus                    CCW_DEVICE_SET_ONLIN(9)



NAME
       ccw_device_set_online - enable a ccw device for I/O

SYNOPSIS
       int ccw_device_set_online(struct ccw_device * cdev);

ARGUMENTS
       cdev
           target ccw device

DESCRIPTION
       This function first enables cdev and then calls the driver's set_online function for cdev,
       if given. If set_online returns an error, cdev is disabled again.

RETURN
       0 on success and a negative error value on failure.

CONTEXT
       enabled, ccw device lock not held

AUTHOR
       Cornelia Huck <cornelia.huck AT de.com>
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   CCW_DEVICE_SET_ONLIN(9)