[PATCH v2 8/8] usb: dwc3: Check MISSED ISOC bit only for ISOC endpoints

From: Anurag Kumar Vulisha
Date: Fri Aug 17 2018 - 08:25:48 EST


When streaming is enabled on BULK endpoints and LST bit is set
observed MISSED ISOC bit set in event->status for BULK ep. Since
this bit is only valid for isocronous endpoints, changed the code
to check for isocrnous endpoints when MISSED ISOC bit is set.

Signed-off-by: Anurag Kumar Vulisha <anurag.kumar.vulisha@xxxxxxxxxx>
---
Changes in v2:
1. None
---
drivers/usb/dwc3/gadget.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 1b1bc14..188b043 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2413,7 +2413,8 @@ static void dwc3_gadget_endpoint_transfer_in_progress(struct dwc3_ep *dep,
if (event->status & DEPEVT_STATUS_BUSERR)
status = -ECONNRESET;

- if (event->status & DEPEVT_STATUS_MISSED_ISOC) {
+ if ((event->status & DEPEVT_STATUS_MISSED_ISOC) &&
+ usb_endpoint_xfer_isoc(dep->endpoint.desc)) {
status = -EXDEV;

if (list_empty(&dep->started_list))
--
2.1.1