Commit 7d0bfb7c authored by Janne Grunau's avatar Janne Grunau Committed by Will Deacon
Browse files

drivers/perf: apple_m1: Add Apple M2 support 



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: default avatarJanne Grunau <j@jannau.net>
Acked-by: default avatarMark Rutland <mark.rutland@arm.com.>
Reviewed-by: default avatarHector Martin <marcan@marcan.st>
Link: https://lore.kernel.org/r/20230214-apple_m2_pmu-v1-2-9c9213ab9b63@jannau.net


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent 640a3b7a

drivers/perf/apple_m1_cpu_pmu.c

+14 −0
Original line number Diff line number Diff line
@@ -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, },

	{ },