[parisc-linux] request_region()

Grant Grundler grundler@puffin.external.hp.com
Tue, 03 Apr 2001 18:25:54 -0600


Matthew Wilcox wrote:
> i think sim700.c should be using ioremap / readX / writeX instead
> of raw_read.  Is the EISA scsi really only accessible via port io?

Yes.

> I would have throught that it would be memory mapped, in which case
> there's no need to have a macro to access it.

IO Port space is memory mapped but not in a linear fashion (afaik).
My understanding is the IO port space is mapped 4 bytes per MMIO page.

grant

Grant Grundler
parisc-linux {PCI|IOMMU|SMP} hacker
+1.408.447.7253