len = sizeof buf;
buf[0] = 0xaa;
- xfer[0].tx_buf = (__u64) buf;
+ xfer[0].tx_buf = (unsigned long)buf;
xfer[0].len = 1;
- xfer[1].rx_buf = (__u64) buf;
+ xfer[1].rx_buf = (unsigned long) buf;
xfer[1].len = len;
status = ioctl(fd, SPI_IOC_MESSAGE(2), xfer);