Re: Proposed changes to io.h

quoted

1. Modifications to virt_to_bus, bus_to_virt, virt_to_phys, and
phys_to_virt.  With the use of fully virtual addresses for

These are all obsolete interface and you're not supposed to use them
for new plattforms or drivers at all.

pci_map_single() (include/asm-ppc/pci.h) and dma_map_single()
(include/asm-ppc/dma-mapping.h) use virt_to_bus().  Shouldn't some care
be taken to ensure that ANY virtual address passed to these routines
maps to the correct physical (bus) address?

John


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