Open a new devres group
void * devres_open_group(struct device * dev, void * id, gfp_t gfp);
dev
Device to open devres group for
id
Separator ID
gfp
Allocation flags
Open a new devres group for dev with id. For id, using a pointer to an object which won't be used for another group is recommended. If id is NULL, address-wise unique ID is created.
ID of the new group, NULL on failure.