linux-kernel - [PATCH v2 1/2] usb: dwc3: gadget: Avoid controller stop in .suspend if !softconnect

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Message-Id: <20230502162133.148821-2-rogerq@kernel.org>
Date:   Tue,  2 May 2023 19:21:32 +0300
From:   Roger Quadros <rogerq@...nel.org>
To:     Thinh.Nguyen@...opsys.com
Cc:     gregkh@...uxfoundation.org, r-gunasekaran@...com, srk@...com,
        wcheng@...eaurora.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, Roger Quadros <rogerq@...nel.org>,
        stable@...r.kernel.org
Subject: [PATCH v2 1/2] usb: dwc3: gadget: Avoid controller stop in .suspend if !softconnect

If softconnect is not set it means the controller has not started,
so no point in stopping it in dwc3_gadget_suspend()

Cc: stable@...r.kernel.org # 5.16
Fixes: 8217f07a5023 ("usb: dwc3: gadget: Avoid starting DWC3 gadget during UDC unbind")
Signed-off-by: Roger Quadros <rogerq@...nel.org>
---
 drivers/usb/dwc3/gadget.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index c0ca4d12f95d..b5170374cd18 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -4656,7 +4656,7 @@ int dwc3_gadget_suspend(struct dwc3 *dwc)
 {
 	unsigned long flags;
 
-	if (!dwc->gadget_driver)
+	if (!dwc->gadget_driver || !dwc->softconnect)
 		return 0;
 
 	dwc3_gadget_run_stop(dwc, false);
-- 
2.34.1