RINGBUS_CTRL_ACLINK_ENABLED
if (AGG_RD(ess, PORT_RINGBUS_CTRL, 4) & RINGBUS_CTRL_ACLINK_ENABLED) {
AGG_WR(ess, PORT_RINGBUS_CTRL, RINGBUS_CTRL_ACLINK_ENABLED, 4);
AGG_WR(ess, PORT_RINGBUS_CTRL, RINGBUS_CTRL_ACLINK_ENABLED, 4);
RINGBUS_CTRL_RINGBUS_ENABLED | RINGBUS_CTRL_ACLINK_ENABLED, 4);
& ~RINGBUS_CTRL_ACLINK_ENABLED)
| RINGBUS_CTRL_ACLINK_ENABLED, 4);