[PATCH 2/2] usb: musb: fix tx fifo flush handling again

2017-07-25 Thread Bin Liu
commit 68fe05e2a451 ("usb: musb: fix tx fifo flush handling") drops the 1ms delay trying to solve the long disconnect time issue when application queued many tx urbs. However, the 1ms delay is needed for some use cases, for example, without the delay, reconnecting AR9271 WIFI dongle no longer

[PATCH 2/2] usb: musb: fix tx fifo flush handling again

2017-07-07 Thread Bin Liu
commit 68fe05e2a451 (usb: musb: fix tx fifo flush handling) drops the 1ms delay trying to solve the long disconnect time issue when application queued many tx urbs. However, the 1ms delay is needed for some use cases, for example, without the delay, reconnecting AR9271 WIFI dongle no longer works