On Thu, 6 Apr 2006, Bjorn Helgaas wrote: > Alan, could you give me a hint about what you mean? ACPI doesn't > ioremap device registers, so I'm not sure what the problem is. > > > > After posting the above request to the linux-usb list, Alan Stern > > > responded with: > > > ---------------------------------------------------------------------- > > > According to the log, the I/O memory mappings for the USB and PCMCIA > > > controllers aren't getting set up. It's not a USB or PCMCIA issue at all; > > > you should ask for help on the PCI and ACPI mailing lists. Since I don't know how this low-level stuff is handled, I was guessing. ACPI is involved in setting up motherboard resources, including configuration of various bridges. If a bridge wasn't configured properly, the CPU wouldn't be able to access the device's I/O hardware. Alan Stern - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
