MC_REGC_PF        198 arch/i386/isa/clock.c   	while (mc146818_read(NULL, MC_REGC) & MC_REGC_PF)
MC_REGC_PF        246 arch/i386/isa/clock.c 	while (mc146818_read(NULL, MC_REGC) & MC_REGC_PF) {