From: yangkai <yk@rock-chips.com>
Date: Tue, 13 Nov 2012 09:30:44 +0000 (+0800)
Subject: support host intr transfer maxpacket more than 16
X-Git-Tag: firefly_0821_release~8229
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=47983b37c09248c1209ea34106566f766ad9f2ca;p=firefly-linux-kernel-4.4.55.git

support host intr transfer maxpacket more than 16
---

diff --git a/drivers/usb/dwc_otg/dwc_otg_cil.c b/drivers/usb/dwc_otg/dwc_otg_cil.c
index 3eefe676d364..8acc6b0cdacf 100755
--- a/drivers/usb/dwc_otg/dwc_otg_cil.c
+++ b/drivers/usb/dwc_otg/dwc_otg_cil.c
@@ -1540,7 +1540,7 @@ void dwc_otg_hc_start_transfer(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc)
 			uint32_t max_periodic_len = _hc->multi_count * _hc->max_packet;
 			if (_hc->xfer_len > max_periodic_len) 
 			{
-				_hc->xfer_len = max_periodic_len;
+//				_hc->xfer_len = max_periodic_len;
 			} 
 			else 
 			{
diff --git a/drivers/usb/dwc_otg/dwc_otg_hcd_intr.c b/drivers/usb/dwc_otg/dwc_otg_hcd_intr.c
index 175708a3079a..18ffb15d39e2 100755
--- a/drivers/usb/dwc_otg/dwc_otg_hcd_intr.c
+++ b/drivers/usb/dwc_otg/dwc_otg_hcd_intr.c
@@ -1134,8 +1134,12 @@ static int32_t handle_hc_xfercomp_intr(dwc_otg_hcd_t *_hcd,
 		break;
 	case PIPE_INTERRUPT:
 		DWC_DEBUGPL(DBG_HCDV, "  Interrupt transfer complete\n");
-		update_urb_state_xfer_comp(_hc, _hc_regs, urb, _qtd);
-
+		urb_xfer_done = update_urb_state_xfer_comp(_hc, _hc_regs, urb, _qtd);
+		if(!urb_xfer_done){
+		    save_data_toggle(_hc, _hc_regs, _qtd);
+    		halt_channel(_hcd, _hc, _qtd, DWC_OTG_HC_XFER_NAK);
+    		break;
+		}
 		/*
 		 * Interrupt URB is done on the first transfer complete
 		 * interrupt.
@@ -1297,6 +1301,8 @@ static int32_t handle_hc_nak_intr(dwc_otg_hcd_t *_hcd,
 		break;
 	case PIPE_INTERRUPT:
 		_qtd->error_count = 0;
+        update_urb_state_xfer_intr(_hc, _hc_regs, _qtd->urb,_qtd, DWC_OTG_HC_XFER_NAK);
+        save_data_toggle(_hc, _hc_regs, _qtd);
 		halt_channel(_hcd, _hc, _qtd, DWC_OTG_HC_XFER_NAK);
 		break;
 	case PIPE_ISOCHRONOUS: