After months of pushing the U.S. government to reverse restrictions on certain chip sales to China, it seems that Nvidia Corp. and Advanced Micro Devices Inc. will be able to sell there again — but newly reported details on the arrangement have some analysts worried that a dangerous precedent has been set.

The arrangement crafted by the Trump administration is “unusual,” analysts told CNBC, but underscores the transactional nature of the current White House leader.

Nvidia and Advanced Micro Devices have agreed to pay 15% of their China chip revenues to the U.S. government in exchange for export licenses.