cppc_read
static ACPI_STATUS cppc_read(struct cppc_softc *, CPCPackageElement,
rv = cppc_read(sc, CPCDesiredPerformanceReg, &val);
rv = cppc_read(sc, CPCDesiredPerformanceReg, &val);
cppc_read(sc, CPCLowestFrequency, &min_freq);
cppc_read(sc, CPCNominalFrequency, &nom_freq);
rv = cppc_read(sc, perf_regs[i], &perf[i]);
rv = cppc_read(sc, perf_regs[i], &perf[i]);