Re: [PATCH 2/4] PCI: add driver for Cortina Gemini Host Bridge

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On Sun, Feb 26, 2017 at 08:42:51PM +0100, Linus Walleij wrote:
> On Tue, Jan 31, 2017 at 1:37 AM, Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote:
> 
> > Looks nice; a couple unused definitions below.
> 
> Just so I do things right:  what is your policy on unused defines?
> I'm asking because the defines in this case is pretty much the
> documentation... there is no datasheet for this IP core. I usually
> like to keep the defines around so people can have them as a
> hint if they want to tinker and hack the driver.
> 
> Would you be OK with keeping them if I comment them out?

It's fine if you keep them; don't even bother commenting them out.

If there's a datasheet, especially a public one like the PCI specs (I
know even those aren't completely free), I have been removing unused
defines simply because they can't be tested and there may be
transcription errors.  But I'm starting to think that might be too
aggressive.

Bjorn



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