linux-kernel - Re: [PATCHv5 2/3] OMAP: export OMAP info under /proc/socinfo

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Message-ID: <20100511165846.GA10609@besouro.research.nokia.com>
Date:	Tue, 11 May 2010 19:58:46 +0300
From:	Eduardo Valentin <eduardo.valentin@...ia.com>
To:	ext Nishanth Menon <nm@...com>
Cc:	"Valentin Eduardo (Nokia-D/Helsinki)" <eduardo.valentin@...ia.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Linux-OMAP <linux-omap@...r.kernel.org>,
	Russell King <linux@....linux.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	ext Tony Lindgren <tony@...mide.com>,
	ext Kevin Hilman <khilman@...prootsystems.com>,
	"De-Schrijver Peter (Nokia-D/Helsinki)" 
	<Peter.De-Schrijver@...ia.com>,
	"Shilimkar, Santosh" <santosh.shilimkar@...com>,
	"K, Ambresh" <ambresh@...com>,
	"Balbi Felipe (Nokia-D/Helsinki)" <felipe.balbi@...ia.com>,
	"Hogander Jouni (Nokia-D/Tampere)" <jouni.hogander@...ia.com>,
	Paul Mundt <lethal@...ux-sh.org>
Subject: Re: [PATCHv5 2/3] OMAP: export OMAP info under /proc/socinfo

Hello Nishanth,

On Tue, May 11, 2010 at 04:28:15PM +0200, ext Nishanth Menon wrote:
> Eduardo Valentin had written, on 05/11/2010 09:15 AM, the following:
> > From: Eduardo Valentin <eduardo.valentin@...ia.com>
> > 
> > Export OMAP name and rev under /proc/socinfo node.
> > 
> > Signed-off-by: Eduardo Valentin <eduardo.valentin@...ia.com>
> > ---
> >  arch/arm/Kconfig         |    1 +
> >  arch/arm/mach-omap1/id.c |   31 ++++++++++++++++++++++++-------
> >  arch/arm/mach-omap2/id.c |   32 ++++++++++++++++++++++++++------
> >  3 files changed, 51 insertions(+), 13 deletions(-)
> > 
> [..]
> 
> > diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
> > index 37b8a1a..b67486b 100644
> > --- a/arch/arm/mach-omap2/id.c
> > +++ b/arch/arm/mach-omap2/id.c
> [..]
> 
> > @@ -356,7 +363,8 @@ void __init omap3_cpuinfo(void)
> >  	}
> >  
> >  	/* Print verbose information */
> > -	pr_info("%s ES%s (", cpu_name, cpu_rev);
> > +	snprintf(socinfo, SOCINFO_SZ, "%s ES%s", cpu_name, cpu_rev);
> > +	pr_info("%s (", socinfo);
> >  
> >  	OMAP3_SHOW_FEATURE(l2cache);
> >  	OMAP3_SHOW_FEATURE(iva);
> Just a minor comment -> is it a good idea to pushin the features to SOC 
> info as well? currently this is being displayed at bootlog and not 
> beyond.. might be a better approach to move it into socinfo..

Yeah. I would expect that someone would ask this. When I was writing this part
I also thought that would be nice to just duplicate all info which is printed
into kernel log buffer. But then I decided to proceed with only the info we are
needing from userspace. If you think that would be useful to know those as well,
then why not adding them.

> 
> 
> [..]
> 
> -- 
> Regards,
> Nishanth Menon
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