[RFC PATCH 13/18] ARM: LPAE: ensure dma_addr_t is the same size as phys_addr_t

Catalin Marinas catalin.marinas at arm.com
Mon Oct 25 07:32:09 EDT 2010


On Mon, 2010-10-25 at 12:08 +0100, Arnd Bergmann wrote:
> On Monday 25 October 2010, Catalin Marinas wrote:
> > From: Will Deacon <will.deacon at arm.com>
> >
> > Now that phys_addr_t can be 64-bit on ARM, we must ensure that dma_addr_t
> > is sufficiently large to hold physical addresses.
> >
> > This patch uses the types.h implementation in asm-generic to define the
> > dma_addr_t type as the same width as phys_addr_t.
> >
> > Signed-off-by: Will Deacon <will.deacon at arm.com>
> > Signed-off-by: Catalin Marinas <catalin.marinas at arm.com>
> 
> This patch will become obsolete once the "unify dma_addr_t typedef"
> series from Fujita Tomonori is upstream, you will instead have to set
> CONFIG_ARCH_DMA_ADDR_T_64BIT.

Yes, I know this and it's on my list to fix once I update the patches to
2.6.37-rc1.

Thanks,

Catalin




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