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What:		/sys/class/fpga_bridge/<bridge>/name
Date:		January 2016
KernelVersion:	4.5
Contact:	Alan Tull <atull@opensource.altera.com>
Description:	Name of low level FPGA bridge driver.

What:		/sys/class/fpga_bridge/<bridge>/state
Date:		January 2016
KernelVersion:	4.5
Contact:	Alan Tull <atull@opensource.altera.com>
Description:	Show bridge state as "enabled" or "disabled"

What:		/sys/class/fpga_bridge/<bridge>/set
Date:		January 2017
KernelVersion:	4.9
Contact:	Michal Simek <michal.simek@xilinx.com>
Description:	Manual set bridge state (0-disable, !0 enable).
		Enabling this option requires that the module is
		compiled with #define DEBUG which is enabled by default
		when CONFIG_DEBUG_KERNEL is setup.