Re: (reposting) how to get DMA'able memory within 4GB on 64-bit m achi ne

Jes Sorensen
2001-06-28T19:42:00Z

>>>>> "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.

Jes