MAX_DFL_FPGA_PORT_NUM 125 drivers/fpga/dfl-pci.c WARN_ON(port_num > MAX_DFL_FPGA_PORT_NUM); MAX_DFL_FPGA_PORT_NUM 31 drivers/fpga/dfl.h #define MAX_DFL_FEATURE_DEV_NUM (MAX_DFL_FPGA_PORT_NUM + 1)