ffs_single_dev   3696 drivers/usb/gadget/function/f_fs.c EXPORT_SYMBOL_GPL(ffs_single_dev);
ffs_single_dev     69 drivers/usb/gadget/function/u_fs.h int ffs_single_dev(struct ffs_dev *dev);
ffs_single_dev    216 drivers/usb/gadget/legacy/g_ffs.c 			ret = ffs_single_dev(opts->dev);