Messages in this thread |  | | From | "David S. Miller" <> | Date | Thu, 28 Jun 2001 15:01:27 -0700 (PDT) |
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Jes Sorensen writes: > >>>>> "Hiren" == MEHTA,HIREN (A-SanJose,ex1) <hiren_mehta@agilent.com> writes: > > Hiren> Then why do we have 64-bit dma_addr_t on ia64 ? -hiren > > Because on ia64 you will get back a 64 bit pointer if you use > pci_set_dma_mask() to set a 64 bit mask before calling the pci > functions in question.
Please note that this is nonstandard and undocumented behavior.
This is not a supported API at all, and the way 64-bit DMA will eventually be done across all platforms is likely to be different.
Later, David S. Miller davem@redhat.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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