[PATCH] ARM: OMAP2+: PRM: fix compile for OMAP4-only build

[tony@atomide.com (Tony Lindgren)]

* Paul Walmsley <paul@pwsan.com> [120405 14:36]:
> On Thu, 5 Apr 2012, Kevin Hilman wrote:
> 
> > For OMAP4 only builds, the omap2_prm_* functions have dummy wrappers
> > to detect incorrect usage.  However, several unrelated omap3 PRM
> > functions have made it inside the #else clause of the #ifdef wrapping
> > the omap2_prm stubs, causing them to disappear on OMAP4-only builds.
> > 
> > This was unnoticed until the IO chain support was added and introduced
> > a new function in this section which is referenced by omap_hwmod.c:
> > 
> > /work/kernel/omap/dev/arch/arm/mach-omap2/omap_hwmod.c: In function '_reconfigure_io_chain':
> > /work/kernel/omap/dev/arch/arm/mach-omap2/omap_hwmod.c:1665:3: error: implicit declaration of function 'omap3xxx_prm_reconfigure_io_chain' [-Werror=implicit-fungiction-declaration]
> > 
> > Fix by using the #ifdef to only wrap the omap2_prm functions that
> > need stubs on OMAP4-only builds.
> > 
> > Cc: Paul Walmsley <paul@pwsan.com>
> > Signed-off-by: Kevin Hilman <khilman@ti.com>
> > ---
> > Paul, this patch applies on top your io_chain_devel_3.5 branch.
> 
> Thanks, Tony reported this too.  Any objections to me rolling this into 
> the offending patch?

I heard of this first from Kevin before I started hitting it with
my compiles..

Anyways, can you also check that we don't have a similar issue
with omap44xx_prm_reconfigure_io_chain for omap3 only builds?

Regards,

Tony