SPI_TX_FIFO_UNF   115 drivers/spi/spi-tegra114.c 			SPI_RX_FIFO_OVF | SPI_TX_FIFO_UNF | SPI_TX_FIFO_OVF)
SPI_TX_FIFO_UNF  1262 drivers/spi/spi-tegra114.c 					(SPI_TX_FIFO_UNF | SPI_TX_FIFO_OVF);