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[linux.git] / Documentation / ABI / testing / sysfs-class-fpga-region
1 What:           /sys/class/fpga_region/<region>/compat_id
2 Date:           June 2018
3 KernelVersion:  4.19
4 Contact:        Wu Hao <[email protected]>
5 Description:    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.
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