After all the previous changes, it's now a lot clearer how isoc
transfers should be managed. We don't need to try to End Transfers
from ep_queue since that's already done by cleanup_requests.
Signed-off-by: Felipe Balbi <felipe.ba...@linux.intel.com>
---
drivers/usb/dwc3/gadget.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index db4c93ddb72b..1c15b87c2d84 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1297,24 +1297,18 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep,
struct dwc3_request *req)
* errors which will force us issue EndTransfer command.
*/
if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) {
+ if (!(dep->flags & DWC3_EP_PENDING_REQUEST) &&
+ !(dep->flags & DWC3_EP_TRANSFER_STARTED))
+ return 0;
+
if ((dep->flags & DWC3_EP_PENDING_REQUEST)) {
- if (dep->flags & DWC3_EP_TRANSFER_STARTED) {
- dwc3_stop_active_transfer(dep, true);
- dep->flags = DWC3_EP_ENABLED;
- } else {
+ if (!(dep->flags & DWC3_EP_TRANSFER_STARTED)) {
__dwc3_gadget_start_isoc(dep);
- dep->flags &= ~DWC3_EP_PENDING_REQUEST;
+ return 0;
}
- return 0;
}
-
- if (dep->flags & DWC3_EP_TRANSFER_STARTED)
- goto out;
-
- return 0;
}
-out:
return __dwc3_gadget_kick_transfer(dep);
}
--
2.16.1
--
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