SPI_IOC_WR_MAX_SPEED_HZ 448 drivers/spi/spidev.c case SPI_IOC_WR_MAX_SPEED_HZ: SPI_IOC_WR_MAX_SPEED_HZ 437 tools/spi/spidev_test.c ret = ioctl(fd, SPI_IOC_WR_MAX_SPEED_HZ, &speed);