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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-bridge.h
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@@ -13,11 +13,13 @@ struct fpga_bridge;
* @enable_show: returns the FPGA bridge's status
* @enable_set: set a FPGA bridge as enabled or disabled
* @fpga_bridge_remove: set FPGA into a specific state during driver remove
* @groups: optional attribute groups.
*/
struct fpga_bridge_ops {
int (*enable_show)(struct fpga_bridge *bridge);
int (*enable_set)(struct fpga_bridge *bridge, bool enable);
void (*fpga_bridge_remove)(struct fpga_bridge *bridge);
const struct attribute_group **groups;
};
/**