On Sat, Jan 29, 2005 at 04:31:16PM +0100, Pierre Ossman wrote:For i386 and x86_64 it's defined as virt_to_phys in asm/io.h without any #ifdef:s protecting it.
The problem was that the DMA API didn't work for x86_64 when I wrote the driver. I see now that it has been fixed.
isa_virt_to_bus still works even though CONFIG_ISA is not configured. So
It may not exist at all.