PCICFG_INTR_CTRL
reg = OCE_READ_REG32(sc, devcfg, PCICFG_INTR_CTRL);
OCE_WRITE_REG32(sc, devcfg, PCICFG_INTR_CTRL, reg);
reg = OCE_READ_REG32(sc, devcfg, PCICFG_INTR_CTRL);
OCE_WRITE_REG32(sc, devcfg, PCICFG_INTR_CTRL, reg);