[PATCH v3 2/3] Revert "Revert "usb: gadget: udc: core: Prevent redundant calls to pullup""

[Badhri Jagan Sridharan]

This reverts commit 5e1617210aede9f1b91bb9819c93097b6da481f9.

The regression reported in
https://lore.kernel.org/all/ZF4bMptC3Lf2Hnee@xxxxxxxxxxx/ is being
fixed in
commit 7d7863db7cc0 ("usb: gadget: udc: core: Offload usb_udc_vbus_handler processing").
Hence reverting the revert.

Signed-off-by: Badhri Jagan Sridharan <badhri@xxxxxxxxxx>
---
 drivers/usb/gadget/udc/core.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index 583c339876ab..4641153e9706 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -703,6 +703,9 @@ static int usb_gadget_connect_locked(struct usb_gadget *gadget)
 		goto out;
 	}
 
+	if (gadget->connected)
+		goto out;
+
 	if (gadget->deactivated || !gadget->udc->started) {
 		/*
 		 * If gadget is deactivated we only save new state.
-- 
2.41.0.rc0.172.g3f132b7071-goog