linux-kernel - Re: linux-next: build failure after merge of the final tree (mfd tree related)

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Date:	Wed, 21 Dec 2011 13:24:30 +0100
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	"Cousson, Benoit" <b-cousson@...com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux-next: build failure after merge of the final tree (mfd
 tree related)

Hi Benoit,

On Wed, Dec 21, 2011 at 11:51:27AM +0100, Cousson, Benoit wrote:
> Hi Stephen,
> 
> On 12/21/2011 7:33 AM, Stephen Rothwell wrote:
> >Hi all,
> >
> >After merging the final tree, today's linux-next build (powerpc
> >allyesconfig) failed like this:
> >
> >drivers/mfd/twl-core.c: In function 'twl_probe':
> >drivers/mfd/twl-core.c:1212:22: error: 'TWL6030_IRQ_BASE' undeclared (first use in this function)
> >drivers/mfd/twl-core.c:1212:22: note: each undeclared identifier is reported only once for each function it appears in
> >drivers/mfd/twl-core.c:1213:39: error: 'TWL6030_BASE_NR_IRQS' undeclared (first use in this function)
> >drivers/mfd/twl-core.c:1215:22: error: 'TWL4030_IRQ_BASE' undeclared (first use in this function)
> >drivers/mfd/twl-core.c:1216:39: error: 'TWL4030_BASE_NR_IRQS' undeclared (first use in this function)
> >drivers/mfd/twl-core.c:1218:3: error: implicit declaration of function 'irq_domain_add_simple' [-Werror=implicit-function-declaration]
> >
> >Caused by commit 4eea8b1d717d ("mfd: Add initial DT support for
> >twl4030/twl6030").  A missing include?  Or a CONFIG problem?
> 
> Both in fact...
> 
> There are some nasty dependencies with that TWL driver and the IRQ
> defined in OMAP headers only. I was fooled by the name of these
> macros.
> I naively thought this could be fixed later as written in the
> comment I added. I appears this is not the case :-(.
> 
> >This build does not have CONFIG_IRQ_DOMAIN set.
> 
> Ooops, I was not aware of that domain CONFIG. That one is an easy fix.
> 
> 
> Samuel,
> 
> Just let me know if you will have time for an updated version before Xmas.
I have time to merge an updated version, yes.

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/
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