Re: [PATCH] arm/tegra: add support for tegra30 interrupts

[Felipe Balbi <balbi@ti.com>]

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Hi,

On Wed, Nov 02, 2011 at 07:54:04PM +0000, Russell King - ARM Linux wrote:
> On Wed, Nov 02, 2011 at 09:48:28PM +0200, Felipe Balbi wrote:
> > Hi,
> > 
> > you forgot to comment on the fact that gpio_desc shouldn't be held in an
> > array. Any comments ?
> 
> I did not comment on that because that's someone elses problem.

fair enough.

> > What I mean is that, just like irq_descs, we should be able to allocate
> > them dynamically. Maybe, just like irq_descs, hold them in a radix tree
> > and maybe even have a matching API "gpio_alloc_descs()".
> 
> Probably - I expect Grant would really like to see some patches along
> those lines.  As I say, someone elses problem.
> 
> But what is _our_ problem is what to do with all the ARCH_NR_GPIOs
> that we have now, and stop them increasing.  There is a trivial solution
> to that which I outlined which can be used until GPIO gets something
> along your idea - and which doesn't involve me having to argue with
> those who think that the kernel should remain as small as possible.

k, I'll see if I can cook something up.

-- 
balbi

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