Re: [PATCH 2/6] ARM: OMAP4: PM: PRM/CM module offsets for OMAP4

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On Tue, 11 Aug 2009, Paul Walmsley wrote:

> On Mon, 10 Aug 2009, Rajendra Nayak wrote:
> 
> > diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h
> > index cb1ae84..ab0dd8e 100644
> > --- a/arch/arm/mach-omap2/prcm-common.h
> > +++ b/arch/arm/mach-omap2/prcm-common.h

...

> > +#define OMAP4430_WKUP_MOD				0x1700
> > +#define OMAP4430_WKUP_CM_MOD				0x1800
> > +#define OMAP4430_EMU_MOD				0x1900
> > +#define OMAP4430_EMU_CM_MOD				0x1A00

...

> 2. It would be better to infix the module name in these, e.g., 
>    OMAP4430_CM2_INSTR_MOD (and add PRM, CM1 variants) rather than 
>    just OMAP4430_INSTR_MOD.

One other comment on macros like the above: it would also be best 
to use the full PRM/CM submodule name.  So, for instance, 
use OMAP4430_PRM_EMU_PRM_MOD and OMAP4430_PRM_EMU_CM_MOD.  

This is to avoid any potential confusion caused by having to remember a 
rule like "when the PRCM submodule name ends in _PRM, drop the _PRM".  One 
can just use the name from the TRM, always prefixed with the module name, 
and suffixed with _MOD (or whatever).

The gen_prcm44xx.py script will generate these in this format.


- Paul
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