'\" t
.\"     Title: devres_get
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Driver Basics
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "DEVRES_GET" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Driver Basics"
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.SH "NAME"
devres_get \- Find devres, if non\-existent, add one atomically
.SH "SYNOPSIS"
.HP \w'void\ *\ devres_get('u
.BI "void * devres_get(struct\ device\ *\ " "dev" ", void\ *\ " "new_res" ", dr_match_t\ " "match" ", void\ *\ " "match_data" ");"
.SH "ARGUMENTS"
.PP
\fIdev\fR
.RS 4
Device to lookup or add devres for
.RE
.PP
\fInew_res\fR
.RS 4
Pointer to new initialized devres to add if not found
.RE
.PP
\fImatch\fR
.RS 4
Match function (optional)
.RE
.PP
\fImatch_data\fR
.RS 4
Data for the match function
.RE
.SH "DESCRIPTION"
.PP
Find the latest devres of
\fIdev\fR
which has the same release function as
\fInew_res\fR
and for which
\fImatch\fR
return 1\&. If found,
\fInew_res\fR
is freed; otherwise,
\fInew_res\fR
is added atomically\&.
.SH "RETURN"
.PP
Pointer to found or added devres\&.
.SH "COPYRIGHT"
.br