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| author | Stephen Boyd <stephen.boyd@linaro.org> | 2016-12-28 14:57:08 -0800 |
|---|---|---|
| committer | Peter Chen <peter.chen@nxp.com> | 2017-01-20 15:27:43 +0800 |
| commit | afff6067b305697dd4b3b2f2d8b2dd5da78539c8 (patch) | |
| tree | 76f7fe7b63b8fa4fb292e25d35c8208cb20889a9 /drivers/usb/chipidea | |
| parent | ed04f19f28ff4900fe9d26b03e5c14600c072391 (diff) | |
| download | linux-stable-afff6067b305697dd4b3b2f2d8b2dd5da78539c8.tar.gz linux-stable-afff6067b305697dd4b3b2f2d8b2dd5da78539c8.tar.bz2 linux-stable-afff6067b305697dd4b3b2f2d8b2dd5da78539c8.zip | |
usb: chipidea: Drop lock across event_notify during gadget stop
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.chen@nxp.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Diffstat (limited to 'drivers/usb/chipidea')
| -rw-r--r-- | drivers/usb/chipidea/udc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 732b281485de..f88e9157fad0 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); |