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Commit 5c2ad982 authored by Lucas Stach's avatar Lucas Stach Committed by Greg Kroah-Hartman
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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: default avatarLucas Stach <dev@lynxeye.de>
Acked-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a4e6a852

drivers/usb/host/ehci-pci.c

+1 −0
Original line number Diff line number Diff line
@@ -261,6 +261,7 @@ static int ehci_pci_setup(struct usb_hcd *hcd) 
		ehci->need_io_watchdog = 0;

		break;

	case PCI_VENDOR_ID_INTEL:

	case PCI_VENDOR_ID_AMD:

		ehci->need_io_watchdog = 0;

		break;

	case PCI_VENDOR_ID_NVIDIA: