oldsrc            227 dev/sbus/uperf_sbus.c 	u_int32_t clr = 0, oldsrc;
oldsrc            234 dev/sbus/uperf_sbus.c 		oldsrc = uperf_sbus_read_reg(sc, USC_PERFCTRL);
oldsrc            235 dev/sbus/uperf_sbus.c 		uperf_sbus_write_reg(sc, USC_PERFCTRL, clr | oldsrc);