linux-kernel - Re: [PATCH] Input: twl6040-vibra: Update for device tree support

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Message-ID: <20120521053159.GA30285@core.coreip.homeip.net>
Date:	Sun, 20 May 2012 22:32:00 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	"Ujfalusi, Peter" <peter.ujfalusi@...com>
Cc:	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lrg@...com>, Benoit Cousson <b-cousson@...com>,
	linux-kernel@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org
Subject: Re: [PATCH] Input: twl6040-vibra: Update for device tree support

On Wed, May 16, 2012 at 10:55:13PM +0300, Ujfalusi, Peter wrote:
> Hi Dmitry,
> 
> On Wed, May 16, 2012 at 10:35 PM, Dmitry Torokhov
> <dmitry.torokhov@...il.com> wrote:
> > So in this case why don't you have parent parse all DT data and
> > construct instance of pdata for vibra driver to consume?
> 
> If there is a need to change the parameters (add new ones for example)
> for the vibra driver in this way the change in code only need to be
> done in the vibra driver.
> If the MFD core would construct the pdata, in this case I would need
> to modify both the MFD core and vibra driver.

Hmm, I am getting:

  CC      drivers/input/misc/twl6040-vibra.o
drivers/input/misc/twl6040-vibra.c: In function ‘twl6040_vibra_probe’:
drivers/input/misc/twl6040-vibra.c:263:9: error: implicit declaration of
function ‘of_find_node_by_name’ [-Werror=implicit-function-declaration]
drivers/input/misc/twl6040-vibra.c:263:42: warning: initialization makes
pointer from integer without a cast [enabled by default]
cc1: some warnings being treated as errors
make[1]: *** [drivers/input/misc/twl6040-vibra.o] Error 1
make: *** [drivers/input/misc/twl6040-vibra.o] Error 2


it looks like there is no stub for of_find_node_by_name().

Thanks.

-- 
Dmitry
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