Merge branch 'v4.4/topic/mm-kaslr-pax_usercopy' into linux-linaro-lsk-v4.4

[firefly-linux-kernel-4.4.55.git] / drivers / usb / chipidea / udc.c

diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 391a1225b0ba330cd818028f240cb151e8ade65c..ca367b05e4405afe7bd1f886ac95760bec84b80c 100644 (file)
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1585,8 +1585,11 @@ static int ci_udc_pullup(struct usb_gadget *_gadget, int is_on)
 {
        struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget);
 
-       /* Data+ pullup controlled by OTG state machine in OTG fsm mode */
-       if (ci_otg_is_fsm_mode(ci))
+       /*
+        * Data+ pullup controlled by OTG state machine in OTG fsm mode;
+        * and don't touch Data+ in host mode for dual role config.
+        */
+       if (ci_otg_is_fsm_mode(ci) || ci->role == CI_ROLE_HOST)
                return 0;
 
        pm_runtime_get_sync(&ci->gadget.dev);