---

static int sysconfig_i2c_bitstream_burst_write(struct sysconfig_priv *priv,
					       const char *buf, size_t len)
{
	struct i2c_client *client = to_i2c_client(priv->dev);
	struct i2c_msg msg;
	size_t chunk_size = 512; /* Safe size for CrossLink-NX internal buffer */
	size_t bytes_written = 0;
	int ret;

	while (bytes_written < len) {
		size_t to_write = min(chunk_size, len - bytes_written);

		msg.addr = client->addr;
		/* 
		 * STRICTLY NO I2C_M_NOSTART! 
		 * Every chunk is sent as a clean, standard I2C write transaction.
		 */
		msg.flags = client->flags & I2C_M_TEN; 
		msg.len = to_write;
		msg.buf = (u8 *)(buf + bytes_written);

		ret = i2c_transfer(client->adapter, &msg, 1);
		if (ret < 0)
			return ret;
		if (ret != 1)
			return -EIO;

		bytes_written += to_write;

		/* Small delay to let the FPGA controller clear its internal input FIFO */
		udelay(100); 
	}

	return 0;
}