On Tue, Nov 17, 2015 at 06:03:24PM +0000, Suzuki K. Poulose wrote: > Add helper routines to get the counter status and the event > programmed on it. > > Cc: Punit Agrawal <[email protected]> > Cc: Mark Rutland <[email protected]> > Signed-off-by: Suzuki K. Poulose <[email protected]> > --- > Changes since V2: > - Rename pmu_counter_get_ctrl => pmu_counter_is_enabled()
Acked-by: Mark Rutland <[email protected]> Mark. > --- > drivers/bus/arm-cci.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c > index f5793b9..48936c8 100644 > --- a/drivers/bus/arm-cci.c > +++ b/drivers/bus/arm-cci.c > @@ -652,11 +652,23 @@ static void pmu_enable_counter(struct cci_pmu *cci_pmu, > int idx) > pmu_write_register(cci_pmu, 1, idx, CCI_PMU_CNTR_CTRL); > } > > +static bool __maybe_unused > +pmu_counter_is_enabled(struct cci_pmu *cci_pmu, int idx) > +{ > + return (pmu_read_register(cci_pmu, idx, CCI_PMU_CNTR_CTRL) & 0x1) != 0; > +} > + > static void pmu_set_event(struct cci_pmu *cci_pmu, int idx, unsigned long > event) > { > pmu_write_register(cci_pmu, event, idx, CCI_PMU_EVT_SEL); > } > > +static u32 __maybe_unused > +pmu_get_event(struct cci_pmu *cci_pmu, int idx) > +{ > + return pmu_read_register(cci_pmu, idx, CCI_PMU_EVT_SEL); > +} > + > /* > * Returns the number of programmable counters actually implemented > * by the cci > -- > 1.7.9.5 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
