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Message-Id: <20120912153756.1483e19457d053914f82ce28@canb.auug.org.au>
Date: Wed, 12 Sep 2012 15:37:56 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Greg KH <greg@...ah.com>
Cc: linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
Pratyush Anand <pratyush.anand@...com>,
Felipe Balbi <balbi@...com>, Moiz Sonasath <m-sonasath@...com>
Subject: linux-next: manual merge of the usb tree with the usb.current tree
Hi Greg,
Today's linux-next merge of the usb tree got a conflict in
drivers/usb/dwc3/gadget.c between commit f4a53c55117b ("usb: dwc3:
gadget: fix pending isoc handling") from the usb.current tree and commit
348e026fafe2 ("usb: dwc3: gadget: Fix sparse warnings") from the usb tree.
I fixed it up (see below) and can carry the fix as necessary (no action
is required).
--
Cheers,
Stephen Rothwell sfr@...b.auug.org.au
diff --cc drivers/usb/dwc3/gadget.c
index c2813c2b,ba444e7..0000000
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@@ -1091,26 -1078,10 +1082,21 @@@ static int __dwc3_gadget_ep_queue(struc
*
*/
if (dep->flags & DWC3_EP_PENDING_REQUEST) {
- int ret;
-
+ /*
+ * If xfernotready is already elapsed and it is a case
+ * of isoc transfer, then issue END TRANSFER, so that
+ * you can receive xfernotready again and can have
+ * notion of current microframe.
+ */
+ if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) {
+ dwc3_stop_active_transfer(dwc, dep->number);
+ return 0;
+ }
+
ret = __dwc3_gadget_kick_transfer(dep, 0, true);
- if (ret && ret != -EBUSY) {
- struct dwc3 *dwc = dep->dwc;
-
+ if (ret && ret != -EBUSY)
dev_dbg(dwc->dev, "%s: failed to kick transfers\n",
dep->name);
- }
}
/*
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