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USB: EHCI: elide I/O watchdog on AMD parts
This removes 10 timer wakeups per second. I'm running this patch for a while now and haven't spotted any adverse effects. Signed-off-by: Lucas Stach <dev@lynxeye.de> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -261,6 +261,7 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
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ehci->need_io_watchdog = 0;
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break;
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case PCI_VENDOR_ID_INTEL:
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case PCI_VENDOR_ID_AMD:
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ehci->need_io_watchdog = 0;
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break;
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case PCI_VENDOR_ID_NVIDIA:
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