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);