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

[Kumar Gala]

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(-)

applied to next

- k