Re: PATCH] dma_get_required_mask()

[David S. Miller]

On 28 Jun 2004 16:10:43 -0500
James Bottomley <James.Bottomley@xxxxxxxxxxxx> wrote:

> This patch implements dma_get_required_mask() which may be used by
> drivers to probe the optimal DMA descriptor type they should be
> implementing on the platform.

Maybe you should tweak the default implementation such that
something reasonable happens on 64-bit platforms that
define dma_addr_t as a 32-bit quantity. :-)

Of course, you've provided ARCH_HAS_DMA_GET_REQUIRED_MASK
in order to deal with these cases, so it's not mandatory.
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