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>
mariux64 · Oct 24, 2016 · 5c2ad98 · 5c2ad98
1 parent a4e6a85
commit 5c2ad98
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
@@ -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: