From: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Date: Fri, 2 Sep 2011 18:05:54 +0000 (-0700)
Subject: xhci: Add software BW checking quirk to Intel PPT xHCI
X-Git-Tag: v3.2-rc1~183^2~170
X-Git-Url: http://git.cascardo.eti.br/?a=commitdiff_plain;h=86cc558ea52b123d7657e609557d60dc121eedd6;p=cascardo%2Flinux.git

xhci: Add software BW checking quirk to Intel PPT xHCI

The xHCI host controller in the Intel Panther Point chipset needs to have
software check whether new devices will fit in the available bus
bandwidth.  Activate the software bandwidth checking quirk when we find
the right PCI device.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index cb16de213f64..50d3fcf593ff 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -136,6 +136,7 @@ static int xhci_pci_setup(struct usb_hcd *hcd)
 		xhci->quirks |= XHCI_SPURIOUS_SUCCESS;
 		xhci->quirks |= XHCI_EP_LIMIT_QUIRK;
 		xhci->limit_active_eps = 64;
+		xhci->quirks |= XHCI_SW_BW_CHECKING;
 	}
 	if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
 			pdev->device == PCI_DEVICE_ID_ASROCK_P67) {