RE: [PATCH 11/14] omap: Remap L3, L4 to get more kernel io address space

Shilimkar, Santosh
2009-10-20T06:32:50Z

> -----Original Message-----
> From: Tony Lindgren [mailto:tony@atomide.com]
> Sent: Tuesday, October 20, 2009 5:51 AM
> To: linux-arm-kernel@lists.infradead.org
> Cc: linux-omap@vger.kernel.org; Shilimkar, Santosh
> Subject: Re: [PATCH 11/14] omap: Remap L3, L4 to get more kernel io
> address space
>
> * Tony Lindgren <tony@atomide.com> [091016 16:42]:
> > From: Santosh Shilimkar <santosh.shilimkar@ti.com>
> >
> > This patch remap L3 and L4 io space to get more kernel address
> space.
> > With this patch, 512 MB of IO space is reclaimed.
> > Some more combinations are possible but to make it uniform across
> > OMAP24XX, OMAP34XX and OMAP4430, these io combinations are chosen
> >
> > Once this is reviewed and tested sufficiently, a documentation
> entry can
> > be created to ease up reading and debugging.
> > Like "Documentation/arm/omap/io_map.txt"
> >
> > Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
> > Signed-off-by: Tony Lindgren <tony@atomide.com>
> > ---
> > arch/arm/plat-omap/include/mach/io.h | 97
> ++++++++++++++++++-----------
> > arch/arm/plat-omap/include/mach/vmalloc.h | 2 -
> > 2 files changed, 60 insertions(+), 39 deletions(-)
> >
>
> <snip>
>
> > diff --git a/arch/arm/plat-omap/include/mach/vmalloc.h
> b/arch/arm/plat-omap/include/mach/vmalloc.h
> > index b97dfaf..9eebf62 100644
> > --- a/arch/arm/plat-omap/include/mach/vmalloc.h
> > +++ b/arch/arm/plat-omap/include/mach/vmalloc.h
> > @@ -17,5 +17,5 @@
> > * along with this program; if not, write to the Free Software
> > * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
> 02111-1307 USA
> > */
> > -#define VMALLOC_END (PAGE_OFFSET + 0x18000000)
> > +#define VMALLOC_END (PAGE_OFFSET + 0x38000000)
>
> This vmalloc.h change causes issues on omap1. I'll update the series
> to ifdef this define.
>
> Then I'll split the file in the later patches into separate
> vmalloc.h for mach-omap1 and mach-omap2, see below.
OK

Regrads
Santosh