DEVRES_GET

Section: Driver Basics (9)
Updated: February 2011
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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