xfer_buf_dir      141 drivers/staging/rts5208/rtsx.h enum xfer_buf_dir	{TO_XFER_BUF, FROM_XFER_BUF};
xfer_buf_dir       34 drivers/usb/storage/protocol.h enum xfer_buf_dir	{TO_XFER_BUF, FROM_XFER_BUF};