This is a note to let you know that I've just added the patch titled
usb: dwc3: gadget: don't prevent gadget from being probed if we fail
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-dwc3-gadget-don-t-prevent-gadget-from-being-probed-if-we-fail.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From cdcedd6981194e511cc206887db661d016069d68 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <[email protected]>
Date: Mon, 15 Jul 2013 12:36:35 +0300
Subject: usb: dwc3: gadget: don't prevent gadget from being probed if we fail
From: Felipe Balbi <[email protected]>
commit cdcedd6981194e511cc206887db661d016069d68 upstream.
In case we fail our ->udc_start() callback, we
should be ready to accept another modprobe following
the failed one.
We had forgotten to clear dwc->gadget_driver back
to NULL and, because of that, we were preventing
gadget driver modprobe from being retried.
Signed-off-by: Felipe Balbi <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/usb/dwc3/gadget.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1393,6 +1393,7 @@ err1:
__dwc3_gadget_ep_disable(dwc->eps[0]);
err0:
+ dwc->gadget_driver = NULL;
spin_unlock_irqrestore(&dwc->lock, flags);
return ret;
Patches currently in stable-queue which might be from [email protected] are
queue-3.4/usb-dwc3-fix-wrong-bit-mask-in-dwc3_event_type.patch
queue-3.4/usb-dwc3-gadget-don-t-prevent-gadget-from-being-probed-if-we-fail.patch
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