1CCW_DEVICE_SET_ONLIN(9)           The ccw bus          CCW_DEVICE_SET_ONLIN(9)
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NAME

6       ccw_device_set_online - enable a ccw device for I/O
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SYNOPSIS

9       int ccw_device_set_online(struct ccw_device * cdev);
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ARGUMENTS

12       cdev
13           target ccw device
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DESCRIPTION

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

21       0 on success and a negative error value on failure.
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CONTEXT

24       enabled, ccw device lock not held
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AUTHOR

27       Cornelia Huck <cornelia.huck@de.ibm.com>
28           Author.
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31Kernel Hackers Manual 3.10         June 2019           CCW_DEVICE_SET_ONLIN(9)
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