Symbol: VIRTIO_SPI_RX_TX_SUPPORT_QUAD
drivers/spi/spi-virtio.c
289
if (tx_nbits_supported & VIRTIO_SPI_RX_TX_SUPPORT_QUAD)
drivers/spi/spi-virtio.c
298
if (rx_nbits_supported & VIRTIO_SPI_RX_TX_SUPPORT_QUAD)