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path: root/drivers/usb/chipidea
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Diffstat (limited to 'drivers/usb/chipidea')
-rw-r--r--drivers/usb/chipidea/udc.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 065f5d97a..dfec5a176 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1596,8 +1596,11 @@ 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);