SPI_REG_RDBUF_BYTE_AVA 36 drivers/net/ethernet/qualcomm/qca_debug.c SPI_REG_RDBUF_BYTE_AVA, SPI_REG_RDBUF_BYTE_AVA 361 drivers/net/ethernet/qualcomm/qca_spi.c qcaspi_read_register(qca, SPI_REG_RDBUF_BYTE_AVA, &available);