DEVRES_GET(9) Driver Basics DEVRES_GET(9)
NAME
devres_get - Find devres, if non-existent, add one atomically
SYNOPSIS
void * devres_get(struct device * dev, void * new_res, dr_match_t match, void * match_data);
ARGUMENTS
dev
Device to lookup or add devres for
new_res
Pointer to new initialized devres to add if not found
match
Match function (optional)
match_data
Data for the match function
DESCRIPTION
Find the latest devres of dev which has the same release function as new_res and for which match return 1. If found, new_res is freed;
otherwise, new_res is added atomically.
RETURNS
Pointer to found or added devres.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 DEVRES_GET(9)
