linux-kernel - Re: [Linux-fbdev-devel] [PATCH 1/2] atyfb: fix CONFIG

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Message-ID: <4988C3E6.5010508@oracle.com>
Date:	Tue, 03 Feb 2009 14:23:34 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-fbdev-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: [Linux-fbdev-devel] [PATCH 1/2] atyfb: fix CONFIG_ namespace
 violations

Ville Syrjälä wrote:
> On Tue, Feb 03, 2009 at 09:09:38AM +0100, Geert Uytterhoeven wrote:
>> On Mon, 2 Feb 2009, Randy Dunlap wrote:
>>> --- linux-2.6.29-rc3-git3.orig/drivers/video/aty/atyfb_base.c
>>> +++ linux-2.6.29-rc3-git3/drivers/video/aty/atyfb_base.c
>>> @@ -135,7 +135,7 @@
>>>  #if defined(CONFIG_PM) || defined(CONFIG_PMAC_BACKLIGHT) || \
>>>  defined (CONFIG_FB_ATY_GENERIC_LCD) || defined(CONFIG_FB_ATY_BACKLIGHT)
>>>  static const u32 lt_lcd_regs[] = {
>>> -	CONFIG_PANEL_LG,
>>> +	CNFG_PANEL_LG,
>> These were the official names as used in the ATI docs. After these changes, you
>> can no longer easily grep for them.
>>
>> Perhaps it's better to prefix everything with ATI_? yes, I know it's more work
>> (for the writer), but we want to optimize for the reader, right?

Everything??  not just the CONFIG_* namespace violations?

[If so,] Potentially 3600 changes just in 3 header files, then all of
the corresponding .c files.  No thanks.

How about a note in the header files that explains that CONFIG_* register
names are spelled as "CNFG_*" so that there are not kernel kconfig
namespace conflicts?


> That would be my preference as well.

Care to do it?

-- 
~Randy
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