'\" t
.\"     Title: ccw_device_set_online
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: July 2017
.\"    Manual: The ccw bus
.\"    Source: Kernel Hackers Manual 4.12.2
.\"  Language: English
.\"
.TH "CCW_DEVICE_SET_ONLIN" "9" "July 2017" "Kernel Hackers Manual 4\&.12\&" "The ccw bus"
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.SH "NAME"
ccw_device_set_online \- enable a ccw device for I/O
.SH "SYNOPSIS"
.HP \w'int\ ccw_device_set_online('u
.BI "int ccw_device_set_online(struct\ ccw_device\ *\ " "cdev" ");"
.SH "ARGUMENTS"
.PP
\fIstruct ccw_device * cdev\fR
.RS 4
target ccw device
.RE
.SH "DESCRIPTION"
.PP
This function first enables
\fIcdev\fR
and then calls the driver\*(Aqs
\fBset_online\fR
function for
\fIcdev\fR, if given\&. If
\fBset_online\fR
returns an error,
\fIcdev\fR
is disabled again\&.
.SH "RETURN"
.PP
\fB0\fR
on success and a negative error value on failure\&.
.SH "CONTEXT"
.PP
enabled, ccw device lock not held
.SH "AUTHOR"
.PP
\fBCornelia Huck\fR <\&cornelia.huck@de.ibm.com\&>
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br