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Commit 1ce6311b authored by Suzuki K Poulose's avatar Suzuki K Poulose Committed by Will Deacon
Browse files

arm-cci: Get the status of a counter 



Add helper routines to check if the counter is enabled or not.

Cc: Punit Agrawal <punit.agrawal@arm.com>
Acked-by: default avatarOlof Johansson <olof@lixom.net>
Acked-by: default avatarMark Rutland <mark.rutland@arm.com>
Signed-off-by: default avatarSuzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent c8bc2b11

drivers/bus/arm-cci.c

+6 −0
Original line number Diff line number Diff line
@@ -707,6 +707,12 @@ 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);