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.

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

CONTEXT enabled, ccw device lock not held

AUTHOR Cornelia Huck <cornelia.huck@de.ibm.com> Author.

COPYRIGHT Kernel Hackers Manual 2.6. September 2014 CCW_DEVICE_SET_ONLIN(9)