Re: [PATCH 0/5] Add power feature debugfs disabling

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On Thu, Feb 6, 2014 at 4:44 PM, Jeff McGee <jeff.mcgee@xxxxxxxxx> wrote:
> Our Android system validation tests are expecting these interfaces. That's
> not igt, I know, but is supporting downstream test suites a priority? I can
> get our val guys on the list to +1 the need for these patches. Likewise I
> can request a developer from my team to review these patches. Or are you
> looking specifically for someone outside our downstream product to 2nd the
> need-for and quality of the patches?

I don't mind if something is only used in one product - if it's useful
sooner or later other product teams will pick up on in. So upstreaming
is the right thing. But if you add a debugfs for tests I also want to
have the tests upstreamed for the following reasons:

- If a product team deems it useful to test something, our upstream QA
should probably do the same.

- Without testcases actually using these on upstream there's a good
chance that we'll break them. Which means forward-rolling to new
forklifts will be more of a pain than strictly needed. We already have
our issues with upstream collaboration, no need to make it more ugly.

- For interfaces used in tests/scripts I also want to do a bit of api
review, which is best done by looking at the actual users. Ofc debugfs
doesn't have strict abi guarantees imposed by the linux community like
ioctls/sysfs which we're essentially never allowed to break. But
change the interfaces still has its costs.

Cheers, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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