linux-kernel - [PATCH] usb: bdc: change state when port disconnected

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Message-Id: <1664997235-18198-1-git-send-email-justinpopo6@gmail.com>
Date:   Wed,  5 Oct 2022 12:13:55 -0700
From:   justinpopo6@...il.com
To:     alcooperx@...il.com, balbi@...nel.org, gregkh@...uxfoundation.org,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     bcm-kernel-feedback-list@...adcom.com, justin.chen@...adcom.com,
        f.fainelli@...il.com, Justin Chen <justinpopo6@...il.com>
Subject: [PATCH] usb: bdc: change state when port disconnected

From: Justin Chen <justinpopo6@...il.com>

When port is connected and then disconnected, the state stays as
configured. Which is incorrect as the port is no longer configured,
but in a not attached state.

Signed-off-by: Justin Chen <justinpopo6@...il.com>
---
 drivers/usb/gadget/udc/bdc/bdc_udc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/gadget/udc/bdc/bdc_udc.c b/drivers/usb/gadget/udc/bdc/bdc_udc.c
index 5ac0ef8..53ffaf4 100644
--- a/drivers/usb/gadget/udc/bdc/bdc_udc.c
+++ b/drivers/usb/gadget/udc/bdc/bdc_udc.c
@@ -151,6 +151,7 @@ static void bdc_uspc_disconnected(struct bdc *bdc, bool reinit)
 	bdc->delayed_status = false;
 	bdc->reinit = reinit;
 	bdc->test_mode = false;
+	usb_gadget_set_state(&bdc->gadget, USB_STATE_NOTATTACHED);
 }
 
 /* TNotify wkaeup timer */
-- 
2.7.4