On 6/29/2021 1:35 PM, Huacai Chen wrote: > Yes, this is more or less a quirk, and we have already found the root > cause in hardware. However, as I said before, there are other > platforms that also have similar problems. Proper way is to fix the driver's shutdown routine not workaround it. Even if that's not possible, Is there a reason why we cannot quirk them too if they are broken? If you are aware of such other platforms, please file a bug. We should get the owner's to look.