From: yangkai <yk@rock-chips.com>
Date: Fri, 7 Dec 2012 07:40:42 +0000 (+0800)
Subject: update actual transfer size for ep0 out
X-Git-Tag: firefly_0821_release~8126
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1237967028aac370ff440ded617b9fb09d883695;p=firefly-linux-kernel-4.4.55.git

update actual transfer size for ep0 out
---

diff --git a/drivers/usb/dwc_otg/dwc_otg_pcd_intr.c b/drivers/usb/dwc_otg/dwc_otg_pcd_intr.c
index e514b558a7d7..5e1a7ccf4e6a 100755
--- a/drivers/usb/dwc_otg/dwc_otg_pcd_intr.c
+++ b/drivers/usb/dwc_otg/dwc_otg_pcd_intr.c
@@ -1804,6 +1804,7 @@ static void handle_ep0( dwc_otg_pcd_t *_pcd )
 {
 	dwc_otg_core_if_t *core_if = GET_CORE_IF(_pcd);
 	dwc_otg_pcd_ep_t *ep0 = &_pcd->ep0;
+	deptsiz_data_t deptsiz;
 
 #ifdef DEBUG_EP0
 	DWC_DEBUGPL(DBG_PCDV, "%s()\n", __func__);
@@ -1855,6 +1856,8 @@ static void handle_ep0( dwc_otg_pcd_t *_pcd )
 						ep0->dwc_ep.num, (ep0->dwc_ep.is_in ?"IN":"OUT"),
 						ep0->dwc_ep.type, ep0->dwc_ep.maxpacket );
 #endif
+        deptsiz.d32 = dwc_read_reg32( &core_if->dev_if->in_ep_regs[0]->dieptsiz);
+        ep0->dwc_ep.xfer_count = ep0->dwc_ep.xfer_len - deptsiz.b.xfersize;
 		ep0_complete_request( ep0 );
 		break;