| 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¶
| June 2024 | Kernel Hackers Manual 3.10 |