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fpga: add attribute groups

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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>
This commit is contained in:
Alan Tull 2017-11-15 14:20:28 -06:00 • committed by Greg Kroah-Hartman
parent 84e93f1d4f
commit 845089bbf5
6 changed files with 9 additions and 0 deletions
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2
include/linux/fpga/fpga-region.h
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@ -14,6 +14,7 @@
* @info: FPGA image info
* @priv: private data
* @get_bridges: optional function to get bridges to a list
* @groups: optional attribute groups.
*/
struct fpga_region {
struct device dev;
@ -23,6 +24,7 @@ struct fpga_region {
struct fpga_image_info *info;
void *priv;
int (*get_bridges)(struct fpga_region *region);
const struct attribute_group **groups;
};
#define to_fpga_region(d) container_of(d, struct fpga_region, dev)