USBDEVFS_CAP_MMAP 158 include/uapi/linux/usbdevice_fs.h #define USBDEVFS_CAP_MMAP 0x20 USBDEVFS_CAP_MMAP 158 tools/include/uapi/linux/usbdevice_fs.h #define USBDEVFS_CAP_MMAP 0x20