On Tue, 29 Mar 2011, Andre "Osku" Schmidt wrote:
> 00:0b.0 USB Controller [0c03]: nVidia Corporation MCP51 USB Controller
> [10de:026d] (rev a3) (prog-if 10 [OHCI])
> Subsystem: Micro-Star International Co., Ltd. Device [1462:7350]
> Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 22
> Memory at fbfff000 (32-bit, non-prefetchable) [size=4K]
> Capabilities: [44] Power Management version 2
> Kernel driver in use: ohci_hcd
> Kernel modules: ohci-hcd
Thanks. It looks like nVidia "fixed" their hardware at some point.
The old hardware doesn't work without the kernel patch and the new
hardware doesn't work with it!
Try applying the patch below instead of your own change, and let me
know if does what you want.
Alan Stern
Index: usb-2.6/drivers/usb/host/ohci-pci.c
===================================================================
--- usb-2.6.orig/drivers/usb/host/ohci-pci.c
+++ usb-2.6/drivers/usb/host/ohci-pci.c
@@ -207,10 +207,18 @@ static int ohci_quirk_amd700(struct usb_
*/
static int ohci_quirk_nvidia_shutdown(struct usb_hcd *hcd)
{
+ struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
struct ohci_hcd *ohci = hcd_to_ohci(hcd);
- ohci->flags |= OHCI_QUIRK_SHUTDOWN;
- ohci_dbg(ohci, "enabled nVidia shutdown quirk\n");
+ /* Evidently nVidia fixed their later hardware; this is a guess at
+ * the changeover point.
+ */
+#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_USB 0x026d
+
+ if (pdev->device < PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_USB) {
+ ohci->flags |= OHCI_QUIRK_SHUTDOWN;
+ ohci_dbg(ohci, "enabled nVidia shutdown quirk\n");
+ }
return 0;
}
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