[PATCH 05/10] drivers/perf: apple_m1: Support per-implementation PMU start

From: Nick Chan
Date: Tue Feb 11 2025 - 11:09:36 EST


Support for implementations that deliver its interrupts in ways other than
FIQ will be added, which requires a per-implementation start function.

Signed-off-by: Nick Chan <towinchenmi@xxxxxxxxx>
---
drivers/perf/apple_m1_cpu_pmu.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/perf/apple_m1_cpu_pmu.c b/drivers/perf/apple_m1_cpu_pmu.c
index 06ae20332e79f7dfa819f764a3752fefe53bf5b8..39fcdcdb9e5dd6d4edad0a182dbc2eef62780d8c 100644
--- a/drivers/perf/apple_m1_cpu_pmu.c
+++ b/drivers/perf/apple_m1_cpu_pmu.c
@@ -605,7 +605,6 @@ static int apple_pmu_init_common(struct arm_pmu *cpu_pmu, u32 flags, u32 counter
cpu_pmu->read_counter = m1_pmu_read_counter;
cpu_pmu->write_counter = m1_pmu_write_counter;
cpu_pmu->clear_event_idx = m1_pmu_clear_event_idx;
- cpu_pmu->start = m1_pmu_start;
cpu_pmu->stop = m1_pmu_stop;
cpu_pmu->set_event_filter = m1_pmu_set_event_filter;

@@ -622,6 +621,7 @@ static int m1_pmu_ice_init(struct arm_pmu *cpu_pmu)
cpu_pmu->get_event_idx = m1_pmu_get_event_idx;
cpu_pmu->map_event = m1_pmu_map_event;
cpu_pmu->reset = m1_pmu_reset;
+ cpu_pmu->start = m1_pmu_start;
return apple_pmu_init_common(cpu_pmu, ARMPMU_EVT_47BIT, M1_PMU_NR_COUNTERS);
}

@@ -631,6 +631,7 @@ static int m1_pmu_fire_init(struct arm_pmu *cpu_pmu)
cpu_pmu->get_event_idx = m1_pmu_get_event_idx;
cpu_pmu->map_event = m1_pmu_map_event;
cpu_pmu->reset = m1_pmu_reset;
+ cpu_pmu->start = m1_pmu_start;
return apple_pmu_init_common(cpu_pmu, ARMPMU_EVT_47BIT, M1_PMU_NR_COUNTERS);
}

@@ -640,6 +641,7 @@ static int m2_pmu_avalanche_init(struct arm_pmu *cpu_pmu)
cpu_pmu->get_event_idx = m1_pmu_get_event_idx;
cpu_pmu->map_event = m2_pmu_map_event;
cpu_pmu->reset = m1_pmu_reset;
+ cpu_pmu->start = m1_pmu_start;
return apple_pmu_init_common(cpu_pmu, ARMPMU_EVT_63BIT, M1_PMU_NR_COUNTERS);
}

@@ -649,6 +651,7 @@ static int m2_pmu_blizzard_init(struct arm_pmu *cpu_pmu)
cpu_pmu->get_event_idx = m1_pmu_get_event_idx;
cpu_pmu->map_event = m2_pmu_map_event;
cpu_pmu->reset = m1_pmu_reset;
+ cpu_pmu->start = m1_pmu_start;
return apple_pmu_init_common(cpu_pmu, ARMPMU_EVT_63BIT, M1_PMU_NR_COUNTERS);
}


--
2.48.1