| 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¶
| May 2024 | Kernel Hackers Manual 2.6. |