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

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Message-ID: <20121102182632.GF4413@opensource.wolfsonmicro.com>
Date:	Fri, 2 Nov 2012 18:26:32 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Magnus Damm <magnus.damm@...il.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Felipe Balbi <balbi@...com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Benoit Cousson <b-cousson@...com>,
	Sourav Poddar <sourav.poddar@...com>, tony@...mide.com,
	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org,
	linux-arm-kernel@...ts.infradead.org, linux-input@...r.kernel.org,
	Arnd Bergmann <arnd@...db.de>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: Re: [PATCHv2] Input: omap4-keypad: Add pinctrl support

On Tue, Oct 30, 2012 at 10:51:11PM +0100, Linus Walleij wrote:
> On Tue, Oct 30, 2012 at 7:37 PM, Mark Brown

> > More seriously the amount of time we seem to have been spending recently
> > on changes which end up requiring us to go through essentially every
> > driver and add code to them (often several times) doesn't seem like
> > we're doing a good job here.

> If this is your main concern you should be made aware that there
> are people out there planning to supplant the existing DT probe paths
> that are now being added to each and every ARM-related driver
> with an ACPI probe path as ARM servers come into the picture.

That's different as we're adding support for a new external interface
which will need per device configuration parsing rather than
reorganising things within the kernel; I'd expect it won't supplant DT
but rather sit alongside it as it's more a requirement for the server
market than for the embedded market.

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