linux-kernel - Re: [PATCH 1/4] gxfb: Replace FBSIZE config option with a kernel argument

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Message-ID: <20080308201950.28f6eae8@ephemeral>
Date:	Sat, 8 Mar 2008 20:19:50 -0500
From:	Andres Salomon <dilinger@...ued.net>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	adaplas@...il.com, linux-kernel@...r.kernel.org,
	linux-fbdev-devel@...ts.sourceforge.net
Subject: Re: [PATCH 1/4] gxfb: Replace FBSIZE config option with a kernel
 argument

On Wed, 27 Feb 2008 19:58:39 -0500
Andres Salomon <dilinger@...ued.net> wrote:

> On Wed, 27 Feb 2008 16:31:05 -0800
> Andrew Morton <akpm@...ux-foundation.org> wrote:
> 
> > On Sat, 23 Feb 2008 01:10:45 -0500
> > Andres Salomon <dilinger@...ued.net> wrote:
> > 
> > > @@ -425,7 +424,10 @@ static int __init gxfb_setup(char *options)
> > >  		if (!*opt)
> > >  			continue;
> > >  
> > > -		mode_option = opt;
> > > +		if (!strncmp(opt, "fbsize:", 7))
> > > +			fbsize = simple_strtoul(opt+7, NULL, 0);
> > > +		else
> > > +			mode_option = opt;
> > >  	}
> > 
> > The above shouldn't be necessary.
> 
> It looks like that's done in other drivers in case MODULE isn't defined.  I'm
> assuming this is historical at this point, and manual options parsing can
> be removed from all fb drivers at this point, or is there another reason
> why manual parsing would be necessary?
> 

Could I get an answer from the fbdevel folks about this?  It looks like
the fb_get_options stuff is there for backwards compatibility.
gxfb.fbsize=16777216 (for example) works regardless of whether or not
CONFIG_MODULES is set.  



> 
> > 
> > And it should have been documented in Documentation/kernel-parameters.txt.
> 
> Yeah, I wasn't actually sure about that; I did check for other fb drivers
> documenting stuff in kernel-parameters.txt, and didn't see it.  It looks
> like they instead document stuff in Documentation/fb/.  Which is preferred?
> 

I'd also like an opinion on this.
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