SPI_TX_FIFO_EMPTY_COUNT  152 drivers/spi/spi-tegra114.c #define TX_FIFO_EMPTY_COUNT_MAX			SPI_TX_FIFO_EMPTY_COUNT(0x40)
SPI_TX_FIFO_EMPTY_COUNT  305 drivers/spi/spi-tegra114.c 	tx_empty_count = SPI_TX_FIFO_EMPTY_COUNT(fifo_status);