[PATCHv2 2/4] mach-omap2: Add SoC info data for OMAP2,3,4 into /proc/cpuinfo

[Eduardo Valentin]

On Tue, Apr 27, 2010 at 05:01:30PM +0200, Balbi Felipe (Nokia-D/Helsinki) wrote:
> On Tue, Apr 27, 2010 at 03:14:13PM +0200, Valentin Eduardo (Nokia-D/Helsinki) wrote:
> >From: Eduardo Valentin <eduardo.valentin at nokia.com>
> >
> >Report OMAP2,3,4 data into system_soc_info. Now we get omap
> >information under /proc/cpuinfo.
> >
> >Signed-off-by: Eduardo Valentin <eduardo.valentin at nokia.com>
> >---
> > arch/arm/mach-omap2/id.c |   21 +++++++++++++++------
> > 1 files changed, 15 insertions(+), 6 deletions(-)
> >
> >diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
> >index 37b8a1a..75e36a5 100644
> >--- a/arch/arm/mach-omap2/id.c
> >+++ b/arch/arm/mach-omap2/id.c
> >@@ -152,10 +152,15 @@ void __init omap24xx_check_revision(void)
> > 		j = i;
> > 	}
> >
> >-	pr_info("OMAP%04x", omap_rev() >> 16);
> >-	if ((omap_rev() >> 8) & 0x0f)
> >-		pr_info("ES%x", (omap_rev() >> 12) & 0xf);
> >-	pr_info("\n");
> >+	snprintf(system_soc_info, SYSTEM_SOC_INFO_SIZE, "OMAP%04x",
> >+							omap_rev() >> 16);
> >+	if ((omap_rev() >> 8) & 0x0f) {
> >+		int sz = strlen(system_soc_info);
> 
> how about you use the return of the first snprintf instead of asking 
> strlen() here ? I mean:

Yeah,

> 
> int sz = snprintf(system_soc_info, SYSTEM_SOC_INFO_SIZE, "OMAP%04x",
> 		omap_rev() >> 16);
> 
> if ((omap_rev() >> 8) & 0x0f)
> 	snprintf(system_soc_info + sz, SYSTEM_SOC_INFO_SIZE - sz,
> 			"ES%x", (omap_rev() >> 12) & 0x0f);
> 
> would that work ???

I think so, yeah. No need to recompute the string length twice. Will resend soon.

> 
> -- 
> balbi
> 
> DefectiveByDesign.org
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