BUS_ACCESS_FLAG
if (drvdata->flags & BUS_ACCESS_FLAG) {
if (drvdata->flags & BUS_ACCESS_FLAG) {
if (drvdata->flags & BUS_ACCESS_FLAG) {
if (drvdata->flags & BUS_ACCESS_FLAG) {
if (!(drvdata->flags & BUS_ACCESS_FLAG))
drvdata->flags |= BUS_ACCESS_FLAG;