> > So, are there investigations running why this reboot happens? > > Yes, but they have been running for months, literally. I see. This is good to know. Just so I also know where we are with this. > > Which is a clear disadvantage of that solution. It won't fix older > > kernels. My suggestion above should fix them, too. > > Not sure how this is possible. Unless you mean LTS? Why not? Using of_machine_is_compatible() makes the patch 100% self contained (no extra binding needed). It will work wherever the machine description fits. > > Unless we know why the reboot happens on your platform, I'd be careful > > with saying "work obviously well" on other platforms. > > Someone must have tested it? Surely ... ;) It seems to work mostly, I won't deny that. But we don't know if the buggy situation can be triggered on these platforms as well by something else later. We just don't know. > > My suggestion: > > > > For 5.3, use of_machine_is_compatible() and we backport that. For later, > > try to find out the root cause and fix it. If that can't be done, try to > > set up a generic "disable-dma" property and use it. > > > > What do you think about that? > > Sounds okay to me. Let me code that up. Glad you like it.
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