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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

struct ccw_device * 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@de.ibm.com>
Author.

COPYRIGHT

September 2017 Kernel Hackers Manual 4.12