sifive_spi_wait 276 drivers/spi/spi-sifive.c sifive_spi_wait(spi, SIFIVE_SPI_IP_RXWM, poll); sifive_spi_wait 283 drivers/spi/spi-sifive.c sifive_spi_wait(spi, SIFIVE_SPI_IP_TXWM, poll);