Add helper routines to get the counter status and the event
programmed on it.
Cc: Punit Agrawal <punit.agra...@arm.com>
Acked-by: Mark Rutland <mark.rutl...@arm.com>
Signed-off-by: Suzuki K. Poulose <suzuki.poul...@arm.com>
---
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 e2824a7..7f77f65 100644
--- a/drivers/bus/arm-cci.c
+++ b/drivers/bus/arm-cci.c
@@ -662,11 +662,23 @@ 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
--
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