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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel / Documentation / ABI / testing / sysfs-class-fpga-region
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1What: /sys/class/fpga_region/<region>/compat_id 2Date: June 2018 3KernelVersion: 4.19 4Contact: Wu Hao <hao.wu@intel.com> 5Description: FPGA region id for compatibility check, e.g. compatibility 6 of the FPGA reconfiguration hardware and image. This value 7 is defined or calculated by the layer that is creating the 8 FPGA region. This interface returns the compat_id value or 9 just error code -ENOENT in case compat_id is not used.