On Wed, Feb 24, 2010 at 09:59:56AM -0700, Bjorn Helgaas wrote: > > There is another somewhat theoretical correctness issue. Because the > > VIA SuperIO chip only decodes 24 bits of address space but port address > > space currently being configured as 32MB there is the theoretical > > possibility of I/O port addresses that alias with legacy addresses getting > > allocated. > > Does this mean my comment: > > + * but the VT82C586 IDE controller does respond at 0x100001f0 because > + * it only decodes the low 16 bits of the address. > > should say "24 bits" instead of "16 bits"? Yes, afair. Ralf