Stephen Warren <[email protected]> writes: > On 03/12/2015 05:23 PM, Eric Anholt wrote: >> Device base maintainers weren't excited about my patch for >> -EPROBE_DEFER, because then a new DT would mean we start failing to >> probe the USB driver in an older kernel, which whould be a >> regression in the case that the user had U-Boot setting up USB for >> them. > > The main ABI issue is that old DTs should work with new kernels. The > other way around is nice, but certainly not as strict a requirement. I > don't think that should block a change. Do you have a link to the > thread; I don't think I noticed it.
http://comments.gmane.org/gmane.linux.kernel/1906119
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