Re: PATCH] dma_get_required_mask()

[James Bottomley]

On Mon, 2004-06-28 at 17:28, David S. Miller wrote:
> 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. :-)

Actually, the default implementation should work on these platforms
too.  Since it's impossible to set a mask over 32 bits, then the best
dma_get_required_mask() will do is return a full spread of 32 bits,
since the memory mask is anded with the current dma mask.

James


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