Re: [PATCHv2] Input: omap4-keypad: Add pinctrl support

[Felipe Balbi <balbi@ti.com>]

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Hi,

On Tue, Oct 23, 2012 at 12:04:01PM +0200, Linus Walleij wrote:
> On Tue, Oct 23, 2012 at 11:35 AM, Benoit Cousson <b-cousson@ti.com> wrote:
> > On 10/23/2012 11:13 AM, Linus Walleij wrote:
> 
> >> So Sourav, please tell us a bit about your plans for this
> >> and other drivers!
> >
> > Yeah, this idea is to handle pinctrl from all the drivers, and
> > potentially change the mode during suspend when it is relevant.
> 
> I'm leaning toward the same approach for ux500.
> 
> But it appears that shmobile prefer to get all resources using
> bus notifiers.
> 
> So we need to form some kind of consensus ... or live with
> the fact that different systems do it different ways. Which will
> explode the day we need to use a driver on two systems,
> each using the other approach :-)

I much prefer having drivers explicitly manage all their resources,
which would mean that pinctrl calls need to be done on probe() and, if
necessary, during suspend()/resume().

Using bus notifiers for that is quite a hack IMHO.

-- 
balbi

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