Re: [PATCH 01/10] dt/bindings: Add binding for BCM2835 mailbox driver

Eric Anholt
2015-03-17T19:10:18Z

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Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org> 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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