Hello! Here is a set of 3 patches what fix koops, memory leak and rockchip EMAC hang. Tested on radxarock lite.
[PATCH 1/3] net: arc_emac: fix koops caused by sk_buff free [PATCH 2/3] net: arc_emac: reset txbd_curr and txbd_dirty pointers [PATCH 3/3] net: arc_emac: fix sk_buff leak