Messages in this thread | | | Subject | Re: PATCH] dma_get_required_mask() | From | James Bottomley <> | Date | 28 Jun 2004 17:40:06 -0500 |
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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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