[PATCH V5 2/3] powerpc/swiotlb: Enable at early stage and disable if not necessary

[Tony Breeds]

On Wed, Aug 08, 2012 at 02:03:45PM -0500, Kumar Gala wrote:
> 
> On Aug 3, 2012, at 5:14 AM, Jia Hongtao wrote:
> 
> > Remove the dependency on PCI initialization for SWIOTLB initialization.
> > So that PCI can be initialized at proper time.
> > 
> > SWIOTLB is partly determined by PCI inbound/outbound map which is assigned
> > in PCI initialization. But swiotlb_init() should be done at the stage of
> > mem_init() which is much earlier than PCI initialization. So we reserve the
> > memory for SWIOTLB first and free it if not necessary.
> > 
> > All boards are converted to fit this change.
> > 
> > Signed-off-by: Jia Hongtao <B38951 at freescale.com>
> > Signed-off-by: Li Yang <leoli at freescale.com>
> > ---
> > arch/powerpc/include/asm/swiotlb.h       |    6 ++++++
> > arch/powerpc/kernel/dma-swiotlb.c        |   20 ++++++++++++++++++++
> > arch/powerpc/mm/mem.c                    |    3 +--
> > arch/powerpc/platforms/44x/currituck.c   |   10 ++--------
> > arch/powerpc/platforms/85xx/mpc85xx_ds.c |    1 +
> > arch/powerpc/platforms/85xx/qemu_e500.c  |    1 +
> > arch/powerpc/sysdev/fsl_pci.c            |    5 +----
> > 7 files changed, 32 insertions(+), 14 deletions(-)
> 
> Josh, Tony
> 
> Can you ack the 44x/currituck.c change.

Looks fine to me.

Acked-by: Tony Breeds <tony at bakeyournoodle.com>

Yours Tony
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