RE: [RFC][PATCH 1/9] OMAP: ID: introduce chip detection for OMAP4460

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> -----Original Message-----
> From: linux-omap-owner@xxxxxxxxxxxxxxx 
> [mailto:linux-omap-owner@xxxxxxxxxxxxxxx] On Behalf Of Menon, Nishanth
> Sent: Thursday, May 26, 2011 7:27 AM
> To: linux-omap
> Cc: V, Aneesh; Menon, Nishanth
> Subject: [RFC][PATCH 1/9] OMAP: ID: introduce chip detection 
> for OMAP4460
> 
> From: Aneesh V <aneesh@xxxxxx>
> 
> Add support for detecting the latest in the OMAP4 family: OMAP4460
> Among other changes, the new chip also can support 1.5GHz A9s,
> 1080p stereoscopic 3D and 12 MP stereo (dual camera). In addition,
> we have changes to OPPs supported, clock tree etc, hence having a
> chip detection is required.
> 
> Starting from OMAP4460 ES1.0, we are moving from HAWKEYE to 
> Ramp system
> for chip identification. Since the bit offsets are the same, 
> just rename
> the variable for dual use.
> 
> For more details on OMAP4460, see
> Highlights:
> http://focus.ti.com/general/docs/wtbu/wtbuproductcontent.tsp?c
> ontentId=53243&navigationId=12843&templateId=6123
> Public TRM is available here as usual:
> http://focus.ti.com/general/docs/wtbu/wtbudocumentcenter.tsp?t
> emplateId=6123&navigationId=12667
> 
> [nm@xxxxxx: cleanups and introduction of ramp system]
> Signed-off-by: Nishanth Menon <nm@xxxxxx>
> Signed-off-by: Aneesh V <aneesh@xxxxxx>
> ---
>  arch/arm/mach-omap2/id.c              |   19 ++++++++++++++-----
>  arch/arm/plat-omap/include/plat/cpu.h |   12 ++++++++++++
>  2 files changed, 26 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
> index 2537090..724be0a 100644
> --- a/arch/arm/mach-omap2/id.c
> +++ b/arch/arm/mach-omap2/id.c
> @@ -331,7 +331,7 @@ static void __init omap3_check_revision(void)
>  static void __init omap4_check_revision(void)
>  {
>  	u32 idcode;
> -	u16 hawkeye;
> +	u16 hawkeye_ramp;

[sp] Why is this change required?

>  	u8 rev;
>  

~sanjeev

[snip]...[snip]
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