1 files changed, 12 insertions, 8 deletions

diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c
index a1ab8acf39ba..c359bae7b754 100644
--- a/drivers/usb/host/xhci-dbgcap.c
+++ b/drivers/usb/host/xhci-dbgcap.c
@@ -328,13 +328,14 @@ dbc_ep_do_queue(struct dbc_ep *dep, struct dbc_request *req)
 int dbc_ep_queue(struct dbc_ep *dep, struct dbc_request *req,
                  gfp_t gfp_flags)
 {
+        unsigned long           flags;
         struct xhci_dbc         *dbc = dep->dbc;
         int                     ret = -ESHUTDOWN;
 
-        spin_lock(&dbc->lock);
+        spin_lock_irqsave(&dbc->lock, flags);
         if (dbc->state == DS_CONFIGURED)
                 ret = dbc_ep_do_queue(dep, req);
-        spin_unlock(&dbc->lock);
+        spin_unlock_irqrestore(&dbc->lock, flags);
 
         mod_delayed_work(system_wq, &dbc->event_work, 0);
 
@@ -521,15 +522,16 @@ static void xhci_do_dbc_stop(struct xhci_hcd *xhci)
 static int xhci_dbc_start(struct xhci_hcd *xhci)
 {
         int                     ret;
+        unsigned long           flags;
         struct xhci_dbc         *dbc = xhci->dbc;
 
         WARN_ON(!dbc);
 
         pm_runtime_get_sync(xhci_to_hcd(xhci)->self.controller);
 
-        spin_lock(&dbc->lock);
+        spin_lock_irqsave(&dbc->lock, flags);
         ret = xhci_do_dbc_start(xhci);
-        spin_unlock(&dbc->lock);
+        spin_unlock_irqrestore(&dbc->lock, flags);
 
         if (ret) {
                 pm_runtime_put(xhci_to_hcd(xhci)->self.controller);
@@ -541,6 +543,7 @@ static int xhci_dbc_start(struct xhci_hcd *xhci)
 
 static void xhci_dbc_stop(struct xhci_hcd *xhci)
 {
+        unsigned long           flags;
         struct xhci_dbc         *dbc = xhci->dbc;
         struct dbc_port         *port = &dbc->port;
 
@@ -551,9 +554,9 @@ static void xhci_dbc_stop(struct xhci_hcd *xhci)
         if (port->registered)
                 xhci_dbc_tty_unregister_device(xhci);
 
-        spin_lock(&dbc->lock);
+        spin_lock_irqsave(&dbc->lock, flags);
         xhci_do_dbc_stop(xhci);
-        spin_unlock(&dbc->lock);
+        spin_unlock_irqrestore(&dbc->lock, flags);
 
         pm_runtime_put_sync(xhci_to_hcd(xhci)->self.controller);
 }
@@ -779,14 +782,15 @@ static void xhci_dbc_handle_events(struct work_struct *work)
         int                     ret;
         enum evtreturn          evtr;
         struct xhci_dbc         *dbc;
+        unsigned long           flags;
         struct xhci_hcd         *xhci;
 
         dbc = container_of(to_delayed_work(work), struct xhci_dbc, event_work);
         xhci = dbc->xhci;
 
-        spin_lock(&dbc->lock);
+        spin_lock_irqsave(&dbc->lock, flags);
         evtr = xhci_dbc_do_handle_events(dbc);
-        spin_unlock(&dbc->lock);
+        spin_unlock_irqrestore(&dbc->lock, flags);
 
         switch (evtr) {
         case EVT_GSER: