fpga: add attribute groups
Make it easy to add attributes to low level FPGA drivers the right
way. Add attribute groups pointers to structures that are used when
registering a manager, bridge, or group. When the low level driver
registers, set the device attribute group. The attributes are
created in device_add.
Signed-off-by: Alan Tull <atull@kernel.org>
Acked-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/fpga/fpga-region.c b/drivers/fpga/fpga-region.c
index afc6188..edab2a2 100644
--- a/drivers/fpga/fpga-region.c
+++ b/drivers/fpga/fpga-region.c
@@ -173,6 +173,7 @@ int fpga_region_register(struct device *dev, struct fpga_region *region)
mutex_init(®ion->mutex);
INIT_LIST_HEAD(®ion->bridge_list);
device_initialize(®ion->dev);
+ region->dev.groups = region->groups;
region->dev.class = fpga_region_class;
region->dev.parent = dev;
region->dev.of_node = dev->of_node;