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Add a misc character driver to support PUF registration and regeneration. Registration generates a unique secret and outputs binary helper data that can later be used during regeneration to reproduce the same secrets. Harsh Jain (2): firmware: xilinx: Add Versal PUF PM API support misc: Add Xilinx PUF driver MAINTAINERS | 6 + drivers/firmware/xilinx/zynqmp-crypto.c | 51 +++ drivers/misc/Kconfig | 11 + drivers/misc/Makefile | 1 + drivers/misc/xilinx_puf.c | 377 ++++++++++++++++++++ include/linux/firmware/xlnx-zynqmp-crypto.h | 30 ++ include/uapi/misc/xilinx_puf.h | 82 +++++ 7 files changed, 558 insertions(+) create mode 100644 drivers/misc/xilinx_puf.c create mode 100644 include/uapi/misc/xilinx_puf.h -- 2.34.1