Device Resource Management

devres_alloc — Allocate device resource data
devres_free — Free device resource data
devres_add — Register device resource
devres_find — Find device resource
devres_get — Find devres, if non-existent, add one atomically
devres_remove — Find a device resource and remove it
devres_destroy — Find a device resource and destroy it
devres_open_group — Open a new devres group
devres_close_group — Close a devres group
devres_remove_group — Remove a devres group
devres_release_group — Release resources in a devres group
devm_kzalloc — Resource-managed kzalloc
devm_kfree — Resource-managed kfree