> -----Original Message-----
> From: Tony Lindgren [mailto:t...@atomide.com] 
> Sent: Monday, August 17, 2009 8:15 PM
> To: Premi, Sanjeev
> Cc: linux-omap@vger.kernel.org
> Subject: Re: [PATCH] Fix mismatched ifdefs
> 
> * Sanjeev Premi <pr...@ti.com> [090817 13:59]:
> > The #endif at end of the file was missing. However, an
> > additional #else ... #endif was causing the compiler to
> > keep going.
> > 
> > The problem was found when compiler started reporting
> > the newly added inline functions were being reported as
> > redeclared by the compiler.
> > 
> > Signed-off-by: Sanjeev Premi <pr...@ti.com>
> > ---
> >  arch/arm/plat-omap/include/mach/cpu.h |    4 ++--
> >  1 files changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/arch/arm/plat-omap/include/mach/cpu.h 
> b/arch/arm/plat-omap/include/mach/cpu.h
> > index 11e73d9..4fbc6a9 100644
> > --- a/arch/arm/plat-omap/include/mach/cpu.h
> > +++ b/arch/arm/plat-omap/include/mach/cpu.h
> > @@ -317,8 +317,6 @@ IS_OMAP_TYPE(3430, 0x3430)
> >  #  undef  cpu_is_omap730
> >  #  define cpu_is_omap730()         1
> >  # endif
> > -#endif
> > -#else
> 
> Hmm, to me it looks like this should remove the second 
> #endif, but keep the
> #else for the !MULTI_OMAP1 configurations.
> 

[sp] I did the maching as annotated in the snippet below:

#if defined(MULTI_OMAP1)
# if defined(CONFIG_ARCH_OMAP730)
#  undef  cpu_is_omap730
#  define cpu_is_omap730()              is_omap730()
# endif 
# if defined(CONFIG_ARCH_OMAP850)
#  undef  cpu_is_omap850
#  define cpu_is_omap850()              is_omap850()
# endif
#else  /* sp - else for multi-omap1 */
# if defined(CONFIG_ARCH_OMAP730)
#  undef  cpu_is_omap730
#  define cpu_is_omap730()              1
# endif
#endif
#else
  /* sp - seems like needed in the else path of MULTI_OMAP1
   * else the symbol could go undefined.
   */
# if defined(CONFIG_ARCH_OMAP850)
#  undef  cpu_is_omap850
#  define cpu_is_omap850()              1
# endif
#endif

> >  # if defined(CONFIG_ARCH_OMAP850)
> >  #  undef  cpu_is_omap850
> >  #  define cpu_is_omap850()         1
> > @@ -433,3 +431,5 @@ IS_OMAP_TYPE(3430, 0x3430)
> >  
> >  int omap_chip_is(struct omap_chip_id oci);
> >  void omap2_check_revision(void);
> > +
> > +#endif     /* __ASM_ARCH_OMAP_CPU_H */
> 
> And this should not be needed.

[sp] So where does this end:

#ifndef __ASM_ARCH_OMAP_CPU_H
#define __ASM_ARCH_OMAP_CPU_H

I was hitting the problem possibly due to mutiple inclusion of cpu.h

Any static inline function declared at bottom of cpu.h gets the errors like:

arch/arm/plat-omap/include/mach/cpu.h:465: error: redefinition of 
'omap3_has_iva'
arch/arm/plat-omap/include/mach/cpu.h:465: error: previous definition of 
'omap3_has_iva' was here


> 
> Regards,
> 
> Tony
> 
> > -- 
> > 1.6.2.2
> > 
> > --
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