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Re: [PATCH 02/24] display/xlnx_dp: Fix to realize "i2c-ddc" and "aux-to-
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From: |
Markus Armbruster |
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Subject: |
Re: [PATCH 02/24] display/xlnx_dp: Fix to realize "i2c-ddc" and "aux-to-i2c-bridge" |
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Date: |
Tue, 19 May 2020 14:07:02 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) |
Peter Maydell <address@hidden> writes:
> On Tue, 19 May 2020 at 06:09, Markus Armbruster <address@hidden> wrote:
>> I figure the "device becomes real only on realize" thing is actually
>> more myth than thing.
>
> It's not a myth, it's an API guarantee thing. If you don't realize
> the device you create before you use it then you're in the world of
> unspecified behaviour, and anything could happen: maybe it works,
> maybe it doesn't, maybe it works today and breaks tomorrow.
It's a myth in the sense "we want it to be that way, but it often
ain't" :)
Of course your right in that it is also a case of "use the interface the
specified way, or else".