SPI_RX_UNF         76 drivers/spi/spi-tegra20-sflash.c #define SPI_FIFO_ERROR			(SPI_RX_UNF | SPI_TX_OVF)
SPI_RX_UNF        406 drivers/spi/spi-tegra20-sflash.c 		tsd->rx_status = tsd->status_reg & SPI_RX_UNF;