Sorry for the delay in reviewing this. It helps me if you don't make the
patch in-reply-to a months old thread. :) I'll take a look at this
shortly.
Sarah Sharp
On Tue, Feb 18, 2014 at 09:42:39AM +0200, Denis Turischev wrote:
> The same issue like with Panther Point chipsets. If the USB ports are
> switched to xHCI on shutdown, the xHCI host will send a spurious interrupt,
> which will wake the system. Some BIOS have work around for this, but not all.
> One example is Compulab's mini-desktop, the Intense-PC2.
>
> The bug can be avoided if the USB ports are switched back to EHCI on
> shutdown.
>
> Signed-off-by: Denis Turischev <denis@xxxxxxxxxxxxxx>
> ---
> drivers/usb/host/xhci-pci.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
> index 3c898c1..9233d12 100644
> --- a/drivers/usb/host/xhci-pci.c
> +++ b/drivers/usb/host/xhci-pci.c
> @@ -134,6 +134,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
> */
> if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP)
> xhci->quirks |= XHCI_SPURIOUS_WAKEUP;
> +
> + xhci->quirks |= XHCI_SPURIOUS_REBOOT;
> }
> if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
> pdev->device == PCI_DEVICE_ID_ASROCK_P67) {
> -- 1.8.1.2
>
>
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