[PATCH 02/16] xhci: set hcd pointers for xhci usb2 and usb3 roothub structures

[Kai-Heng Feng]

From: Mathias Nyman <mathias.nyman at linux.intel.com>

BugLink: https://bugs.launchpad.net/bugs/1763594

Allows us to know the correct hcd a xhci roothub and its ports
belong to.

Signed-off-by: Mathias Nyman <mathias.nyman at linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
(backported from commit 9ea95ecc7ffd338a62972ddd6b0ac46bdc5e7d49)
Signed-off-by: Kai-Heng Feng <kai.heng.feng at canonical.com>
---
 drivers/usb/host/xhci.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index d5dee03c2ce9..61f2eb9f0217 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -4800,6 +4800,7 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
 
 	if (usb_hcd_is_primary_hcd(hcd)) {
 		xhci->main_hcd = hcd;
+		xhci->usb2_rhub.hcd = hcd;
 		/* Mark the first roothub as being USB 2.0.
 		 * The xHCI driver will register the USB 3.0 roothub.
 		 */
@@ -4818,6 +4819,8 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
 			hcd->speed = HCD_USB31;
 			hcd->self.root_hub->speed = USB_SPEED_SUPER_PLUS;
 		}
+
+		xhci->usb3_rhub.hcd = hcd;
 		/* xHCI private pointer was set in xhci_pci_probe for the second
 		 * registered roothub.
 		 */
-- 
2.17.1