From 07b6de102843b717ecd962cf35ec4ad9b1fbed9d Mon Sep 17 00:00:00 2001 From: Sarah Sharp Date: Fri, 4 Sep 2009 10:53:19 -0700 Subject: [PATCH] USB: xhci: Set multi-TT field for LS/FS devices under hubs. When setting up a slot context for an address device command, set the multi-TT field if this is a low or full speed device under a HS hub with multiple transaction translators. Signed-off-by: Sarah Sharp Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/xhci-mem.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index e046f0f6ee6a..1db4fea8c170 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -390,14 +390,12 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud xhci_dbg(xhci, "Set root hub portnum to %d\n", top_dev->portnum); /* Is this a LS/FS device under a HS hub? */ - /* - * FIXME: I don't think this is right, where does the TT info for the - * roothub or parent hub come from? - */ if ((udev->speed == USB_SPEED_LOW || udev->speed == USB_SPEED_FULL) && udev->tt) { slot_ctx->tt_info = udev->tt->hub->slot_id; slot_ctx->tt_info |= udev->ttport << 8; + if (udev->tt->multi) + slot_ctx->dev_info |= DEV_MTT; } xhci_dbg(xhci, "udev->tt = %p\n", udev->tt); xhci_dbg(xhci, "udev->ttport = 0x%x\n", udev->ttport); -- 2.39.2