DEVRES_OPEN_GROUP(9)                      Driver Basics                      DEVRES_OPEN_GROUP(9)



NAME
       devres_open_group - Open a new devres group

SYNOPSIS
       void * devres_open_group(struct device * dev, void * id, gfp_t gfp);

ARGUMENTS
       dev
           Device to open devres group for

       id
           Separator ID

       gfp
           Allocation flags

DESCRIPTION
       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.

RETURN
       ID of the new group, NULL on failure.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                      DEVRES_OPEN_GROUP(9)