From: Alek Du <alek.du@xxxxxxxxx>
We have to do so due to HW limitation.
Signed-off-by: Alek Du <alek.du@xxxxxxxxx>
Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
---
drivers/usb/host/ehci-pci.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 90c4e45..bdf41a2 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -173,6 +173,11 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
ehci->broken_periodic = 1;
ehci_info(ehci, "using broken periodic workaround\n");
}
+ if (pdev->device == 0x0806 || pdev->device == 0x0811
+ || pdev->device == 0x0829) {
+ ehci_info(ehci, "disable lpm for langwell/penwell\n");
+ ehci->has_lpm = 0;
+ }
break;
case PCI_VENDOR_ID_TDI:
if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) {
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
