From: Felipe Balbi <balbi@ti.com>
Date: Mon, 28 Sep 2015 20:16:56 +0000 (-0500)
Subject: usb: dwc3: gadget: use Update Transfer from Xfer In Progress
X-Git-Tag: firefly_0821_release~176^2~804^2~12^2~76
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e6e709b7ab89a0d9ec0d803cb2f3b66902145ba0;p=firefly-linux-kernel-4.4.55.git

usb: dwc3: gadget: use Update Transfer from Xfer In Progress

Instead of limiting __dwc3_gadget_kick_transfer() to
Xfer Complete, we can try to issue Update Transfer
command from Xfer In Progress too.

Signed-off-by: Felipe Balbi <balbi@ti.com>
---

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index ee3d05fa674d..81bfb9ad1e2e 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1968,10 +1968,10 @@ static void dwc3_endpoint_transfer_complete(struct dwc3 *dwc,
 		dwc->u1u2 = 0;
 	}
 
-	if (is_xfer_complete && !usb_endpoint_xfer_isoc(dep->endpoint.desc)) {
+	if (!usb_endpoint_xfer_isoc(dep->endpoint.desc)) {
 		int ret;
 
-		ret = __dwc3_gadget_kick_transfer(dep, 0, 1);
+		ret = __dwc3_gadget_kick_transfer(dep, 0, is_xfer_complete);
 		if (!ret || ret == -EBUSY)
 			return;
 	}