wave5_wait_bus_busy
if (wave5_wait_bus_busy(vpu_dev, W5_BACKBONE_BUS_STATUS_VCORE0)) {
if (wave5_wait_bus_busy(vpu_dev, W5_COMBINED_BACKBONE_BUS_STATUS)) {
ret = wave5_wait_bus_busy(vpu_dev, W5_GDI_BUS_STATUS);