Re: [PATCH v7 1/6] pci: Introduce pci_register_io_range() helper function.

[Liviu Dudau]

On Mon, Apr 07, 2014 at 06:58:24PM +0100, Bjorn Helgaas wrote:
> On Mon, Apr 7, 2014 at 5:36 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> 
> > I think migrating other architectures to use the same code should be
> > a separate effort from adding a generic implementation that can be
> > used by arm64. It's probably a good idea to have patches to convert
> > arm32 and/or microblaze.
> 
> Let me reiterate that I am 100% in favor of replacing arch-specific
> code with more generic implementations.
> 
> However, I am not 100% in favor of doing it as separate efforts
> (although maybe I could be convinced).  The reasons I hesitate are
> that (1) if only one architecture uses a new "generic" implementation,
> we really don't know whether it is generic enough, (2) until I see the
> patches to convert other architectures, I have to assume that I'm the
> one who will write them, and (3) as soon as we add the code to
> drivers/pci, it becomes partly my headache to maintain it, even if
> only one arch benefits from it.
> 
> Please don't think I'm questioning anyone's intent or good will.  It's
> just that I understand the business pressures, and I know how hard it
> can be to justify this sort of work to one's management, especially
> after the immediate problem has been solved.

I understand your concern. I guess the only way to prove my good intentions
is to shut up and show the code.

Liviu

> 
> Bjorn
> 

-- 
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