[PATCH v6 22/25] usb: chipidea: Drop lock across event_notify during gadget stop

[Stephen Boyd]

The CI_HDRC_CONTROLLER_STOPPED_EVENT may want to call sleeping
APIs similar to how _gadget_stop_activity() may. Let's drop the
lock across the event so that glue drivers can make sleeping
calls.

Cc: Peter Chen <peter.c...@nxp.com>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Signed-off-by: Stephen Boyd <stephen.b...@linaro.org>
---
 drivers/usb/chipidea/udc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 0db56fb7e9e9..0d532a724d48 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1793,10 +1793,10 @@ static int ci_udc_stop(struct usb_gadget *gadget)
 
        if (ci->vbus_active) {
                hw_device_state(ci, 0);
+               spin_unlock_irqrestore(&ci->lock, flags);
                if (ci->platdata->notify_event)
                        ci->platdata->notify_event(ci,
                        CI_HDRC_CONTROLLER_STOPPED_EVENT);
-               spin_unlock_irqrestore(&ci->lock, flags);
                _gadget_stop_activity(&ci->gadget);
                spin_lock_irqsave(&ci->lock, flags);
                pm_runtime_put(&ci->gadget.dev);
-- 
2.10.0.297.gf6727b0

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