[U-Boot] [PATCH 13/13] Blackfin: force all boards to HZ of 1000

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Thu Apr 2 13:28:21 CEST 2009


On 07:21 Thu 02 Apr     , Mike Frysinger wrote:
> On Thursday 02 April 2009 06:57:03 Jean-Christophe PLAGNIOL-VILLARD wrote:
> > On 06:45 Thu 02 Apr     , Mike Frysinger wrote:
> > > Since the Blackfin timer code requires HZ to be 1000, barf on any board
> > > that tries to use a different value.
> > >
> > > Signed-off-by: Mike Frysinger <vapier at gentoo.org>
> > > ---
> > >  include/asm-blackfin/blackfin-config-post.h |    8 ++++++--
> > >  1 files changed, 6 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/include/asm-blackfin/blackfin-config-post.h
> > > b/include/asm-blackfin/blackfin-config-post.h index fea4737..623fdc7
> > > 100644
> > > --- a/include/asm-blackfin/blackfin-config-post.h
> > > +++ b/include/asm-blackfin/blackfin-config-post.h
> > > @@ -135,9 +135,13 @@
> > >  #ifndef CONFIG_SYS_MAXARGS
> > >  # define CONFIG_SYS_MAXARGS 16
> > >  #endif
> > > -#ifndef CONFIG_SYS_HZ
> > > -# define CONFIG_SYS_HZ 1000
> > > +#if defined(CONFIG_SYS_HZ)
> > > +# if (CONFIG_SYS_HZ != 1000)
> > > +#  warning "CONFIG_SYS_HZ must always be 1000"
> > > +# endif
> > > +# undef CONFIG_SYS_HZ
> >
> > does this is really necessary?
> 
> to prevent insane people today, sure.  it'll probably fall out when i start my 
> "cleanup ticks and timer" work for the next merge though ...
> 
> > >  #endif
> > > +#define CONFIG_SYS_HZ 1000
> >
> > why not asm-blackfin/config.h?
> 
> there is no such file ?
There is now it was introduced by Kumar.

Best Regards,
J.


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