[PATCH 2/2] drivers/perf: apple_m1: Add Apple M2 support

From: Janne Grunau
Date: Tue Feb 14 2023 - 05:38:16 EST


The PMU itself is compatible with the one found on M1. We still know
next to nothing about the counters so keep using CPU uarch specific
compatibles/PMU names.

Signed-off-by: Janne Grunau <j@xxxxxxxxxx>
---
drivers/perf/apple_m1_cpu_pmu.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/drivers/perf/apple_m1_cpu_pmu.c b/drivers/perf/apple_m1_cpu_pmu.c
index 979a7c2b4f56..83b74c7fe63f 100644
--- a/drivers/perf/apple_m1_cpu_pmu.c
+++ b/drivers/perf/apple_m1_cpu_pmu.c
@@ -559,7 +559,21 @@ static int m1_pmu_fire_init(struct arm_pmu *cpu_pmu)
return m1_pmu_init(cpu_pmu);
}

+static int m2_pmu_avalanche_init(struct arm_pmu *cpu_pmu)
+{
+ cpu_pmu->name = "apple_avalanche_pmu";
+ return m1_pmu_init(cpu_pmu);
+}
+
+static int m2_pmu_blizzard_init(struct arm_pmu *cpu_pmu)
+{
+ cpu_pmu->name = "apple_blizzard_pmu";
+ return m1_pmu_init(cpu_pmu);
+}
+
static const struct of_device_id m1_pmu_of_device_ids[] = {
+ { .compatible = "apple,avalanche-pmu", .data = m2_pmu_avalanche_init, },
+ { .compatible = "apple,blizzard-pmu", .data = m2_pmu_blizzard_init, },
{ .compatible = "apple,icestorm-pmu", .data = m1_pmu_ice_init, },
{ .compatible = "apple,firestorm-pmu", .data = m1_pmu_fire_init, },
{ },

--
2.39.1