Wire up device_driver->dev_groups, so that really_probe() creates the
sysfs attributes for us automatically.
Signed-off-by: NJulian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: NJan Hoeppner <hoeppner@linux.ibm.com>
Signed-off-by: NStefan Haberland <sth@linux.ibm.com>
Link: https://lore.kernel.org/r/20210316094513.2601218-3-sth@linux.ibm.comSigned-off-by: NJens Axboe <axboe@kernel.dk>