Messages in this thread |  | | Subject | Re: how to get virtual address from dma address | From | Jes Sorensen <> | Date | 05 Oct 2001 16:04:04 +0200 |
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>>>>> "Linux" == Linux Bigot <linuxopinion@yahoo.com> writes:
Linux> oops! I am sorry. I did not meant "pci_unmap_single" Linux> pci_unmap_single.
Linux> I meant to get a routine which does exactly opposite of what Linux> pci_map_single does, i.e., give me a virtual address for a dma Linux> address.
Because it is cheaper for you to keep both addresses in the driver than it is to implement a database to keep track of it for you.
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