Merge 4.7-rc4 into staging-next

We want the fixes in here, and we can resolve a merge issue in
drivers/iio/industrialio-trigger.c

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 16 insertions, 13 deletions

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index fa7e1ef36cd9..f2f9518c53ab 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -685,20 +685,23 @@ void xhci_stop(struct usb_hcd *hcd)
         u32 temp;
         struct xhci_hcd *xhci = hcd_to_xhci(hcd);
 
-        if (xhci->xhc_state & XHCI_STATE_HALTED)
-                return;
-
         mutex_lock(&xhci->mutex);
-        spin_lock_irq(&xhci->lock);
-        xhci->xhc_state |= XHCI_STATE_HALTED;
-        xhci->cmd_ring_state = CMD_RING_STATE_STOPPED;
 
-        /* Make sure the xHC is halted for a USB3 roothub
-         * (xhci_stop() could be called as part of failed init).
-         */
-        xhci_halt(xhci);
-        xhci_reset(xhci);
-        spin_unlock_irq(&xhci->lock);
+        if (!(xhci->xhc_state & XHCI_STATE_HALTED)) {
+                spin_lock_irq(&xhci->lock);
+
+                xhci->xhc_state |= XHCI_STATE_HALTED;
+                xhci->cmd_ring_state = CMD_RING_STATE_STOPPED;
+                xhci_halt(xhci);
+                xhci_reset(xhci);
+
+                spin_unlock_irq(&xhci->lock);
+        }
+
+        if (!usb_hcd_is_primary_hcd(hcd)) {
+                mutex_unlock(&xhci->mutex);
+                return;
+        }
 
         xhci_cleanup_msix(xhci);
 
@@ -4886,7 +4889,7 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
                 xhci->hcc_params2 = readl(&xhci->cap_regs->hcc_params2);
         xhci_print_registers(xhci);
 
-        xhci->quirks = quirks;
+        xhci->quirks |= quirks;
 
         get_quirks(dev, xhci);