Re: USB (OHCI) not working without pci=routeirq

[Bjorn Helgaas]

On Thursday 23 September 2004 11:23 am, Andre Eisenbach wrote:
> when booting with a recent kernel (2.6.9-rc2-mm2), usb_ohci fails to
> initialize the USB bus and no USB device will work at that point.
> Adding pci=routeirq fixed the problem.

Can you try this whitespace-damaged patch to see whether you're
seeing the same issue I was?  If this patch fixes it, please post
the "lspci -n" output for your USB controller, so we can add a
quirk for it.

--- 2.6.9-rc2-mm2/drivers/usb/host/ohci-hcd.c.orig 2004-09-24 10:28:16.383160107 -0600
+++ 2.6.9-rc2-mm2/drivers/usb/host/ohci-hcd.c 2004-09-24 10:28:23.089214712 -0600
@@ -564,7 +564,7 @@
   * (SiS, OPTi ...), so reset again instead.  SiS doesn't need
   * this if we write fmInterval after we're OPERATIONAL.
   */
- if (ohci->flags & OHCI_QUIRK_INITRESET) {
+ if (1 || ohci->flags & OHCI_QUIRK_INITRESET) {
   writel (ohci->hc_control, &ohci->regs->control);
   // flush those writes
   (void) ohci_readl (&ohci->regs->control);

-
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