tree 61a207bba10234e6eac0848ea5c8d02b3bae36ce
parent dc18413adbf188ffdfb0706023249e7c03b29545
author Jagan Teki <jagan@amarulasolutions.com> 1590464069 +0800
committer Kever Yang <kever.yang@rock-chips.com> 1590747199 +0800

usb: dwc3: Enable AutoRetry feature in the controller

By default when core sees any transaction error (CRC or overflow) it
replies with terminating retry ACK (Retry=1 and Nump == 0).

Enabling this Auto Retry feature in controller will make the core send
a non-terminanting ACK upon such transaction errors. That is, ACK TP
with Retry=1 and Nump != 0.

Doing so will give controller a chance to recover from transient error
conditions.

Reference from below Linux commit,

commit <b138e23d3dff> ("usb: dwc3: core: Enable AutoRetry feature
in the controller")

Cc: Marek Vasut <marex@denx.de>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>