linux-kernel - [PATCH] usb: dwc3: gadget: Let pm runtime get/put paired

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Date:   Mon, 31 Jul 2023 10:33:23 +0800
From:   Surong Pang <surong.pang@...soc.com>
To:     <Thinh.Nguyen@...opsys.com>, <gregkh@...uxfoundation.org>,
        <felipe.balbi@...ux.intel.com>, <linux-usb@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     <Orson.Zhai@...soc.com>, <Chunyan.Zhang@...soc.com>,
        <Zhiyong.liu@...soc.com>, <Surong.Pang@...soc.com>,
        <Surong.Pang@...il.com>
Subject: [PATCH] usb: dwc3: gadget: Let pm runtime get/put paired

Pm_runtime_get is called when setting pending_events to true.
Pm_runtime_put is needed for pairing with pm_runtime_get.

Fixes: fc8bb91bc83ef ("usb: dwc3: implement runtime PM")
Signed-off-by: Surong Pang <surong.pang@...soc.com>
---
 drivers/usb/dwc3/gadget.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 5fd067151fbf..9c835c5f9928 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -4720,5 +4720,6 @@ void dwc3_gadget_process_pending_events(struct dwc3 *dwc)
 		dwc3_interrupt(dwc->irq_gadget, dwc->ev_buf);
 		dwc->pending_events = false;
 		enable_irq(dwc->irq_gadget);
+		pm_runtime_put(dwc->dev);
 	}
 }
-- 
2.17.1