[PATCHv11 2/8] ARM: OMAP2+: hwmod: Add API to check IO PAD wakeup status

Tero Kristo t-kristo at ti.com
Wed Dec 14 05:13:09 EST 2011


On Tue, 2011-12-13 at 20:04 -0700, Paul Walmsley wrote:
> Hi Tero
> 
> looking at this patch:
> 
> On Mon, 12 Dec 2011, Tero Kristo wrote:
> 
> > From: R, Govindraj <govindraj.raja at ti.com>
> > 
> > Add API to determine IO-PAD wakeup event status for a given
> > hwmod dynamic_mux pad.
> > 
> > Signed-off-by: Govindraj.R <govindraj.raja at ti.com>
> 
> It seems that your last patch drops the following code that this patch 
> adds:

Hmm yea true, it seems like the code in patch 2 does not exist anymore
after patch 8, and well, the code in patch 2 was never used for anything
anyway. Sorry for not spotting this myself, I added patch 8 in hurry to
this set.

> 
> > diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
> > index 8d37d83..d7f4623 100644
> > --- a/arch/arm/mach-omap2/omap_hwmod.c
> > +++ b/arch/arm/mach-omap2/omap_hwmod.c
> > @@ -2721,3 +2721,10 @@ int omap_hwmod_no_setup_reset(struct omap_hwmod *oh)
> >  
> >  	return 0;
> >  }
> > +
> > +int omap_hwmod_pad_get_wakeup_status(struct omap_hwmod *oh)
> > +{
> > +	if (oh && oh->mux)
> > +		return omap_hwmod_mux_get_wake_status(oh->mux);
> > +	return -EINVAL;
> > +}
> > diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h
> > index 8b372ed..1b81dfb 100644
> > --- a/arch/arm/plat-omap/include/plat/omap_hwmod.h
> > +++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h
> > @@ -604,6 +604,7 @@ int omap_hwmod_get_context_loss_count(struct omap_hwmod *oh);
> >  
> >  int omap_hwmod_no_setup_reset(struct omap_hwmod *oh);
> >  
> > +int omap_hwmod_pad_get_wakeup_status(struct omap_hwmod *oh);
> >  /*
> >   * Chip variant-specific hwmod init routines - XXX should be converted
> >   * to use initcalls once the initial boot ordering is straightened out
> 
> It's best in these circumstances to modify this patch not to add the code 
> in the first place.  Otherwise this creates needless churn which plenty of 
> people are quite sensitized to.  So, dropping these from patch 2.

Yeah, good call.

-Tero





More information about the linux-arm-kernel mailing list