linux-kernel - Re: [PATCH] [media] coda: Fix build due to iram.h rename

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Date:	Thu, 27 Dec 2012 20:15:12 -0200
From:	Mauro Carvalho Chehab <mchehab@...radead.org>
To:	Sascha Hauer <s.hauer@...gutronix.de>
Cc:	Fabio Estevam <fabio.estevam@...escale.com>, kernel@...gutronix.de,
	p.zabel@...gutronix.de, javier.martin@...ta-silicon.com,
	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [media] coda: Fix build due to iram.h rename

Em Mon, 17 Dec 2012 10:37:14 +0100
Sascha Hauer <s.hauer@...gutronix.de> escreveu:

> On Wed, Nov 14, 2012 at 11:04:42AM -0200, Fabio Estevam wrote:
> > commit c045e3f13 (ARM: imx: include iram.h rather than mach/iram.h) changed the
> > location of iram.h, which causes the following build error when building the coda
> > driver:
> > 
> > drivers/media/platform/coda.c:27:23: error: mach/iram.h: No such file or directory
> > drivers/media/platform/coda.c: In function 'coda_probe':
> > drivers/media/platform/coda.c:2000: error: implicit declaration of function 'iram_alloc'
> > drivers/media/platform/coda.c:2001: warning: assignment makes pointer from integer without a cast
> > drivers/media/platform/coda.c: In function 'coda_remove':
> > drivers/media/platform/coda.c:2024: error: implicit declaration of function 'iram_free
> > 
> > Since the content of iram.h is not imx specific, move it to include/linux/iram.h
> > instead.
> 
> Generally we need a fix for this, but:
> 
> > diff --git a/arch/arm/mach-imx/iram.h b/include/linux/iram.h
> > similarity index 100%
> > rename from arch/arm/mach-imx/iram.h
> > rename to include/linux/iram.h
> 
> We shouldn't introduce a file include/linux/iram.h which is purely i.MX
> specific. The name is far too generic. I would rather suggest
> include/linux/platform_data/imx-iram.h (Although it's not exactly
> platform_data, so I'm open for better suggestions).
> 
> As a side note this i.MX specific iram stuff (hopefully) is obsolete
> after the next merge window as Philip already has patches for a generic
> iram allocator which didn't make it into this merge window.

Hi Sasha,

This compilation breakage seems to still be happening.

Just tested here with arm32 "allmodconfig", on a tree based on Linus one,
with -next and -media patches applied on it:

drivers/media//platform/coda.c:27:23: fatal error: mach/iram.h: No such file or directory
compilation terminated.

I don't mind how this would be named, but this should be fixed somehow ;)

Regards,
Mauro
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