diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/kernel/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/kernel/perf_event_cpu.c | 9 | ||||
| -rw-r--r-- | arch/arm/kernel/perf_event_v6.c | 49 |
3 files changed, 38 insertions, 23 deletions
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index 8b4aad7e9f50..42a43da07a7e 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -70,7 +70,8 @@ obj-$(CONFIG_CPU_PJ4) += pj4-cp0.o obj-$(CONFIG_CPU_PJ4B) += pj4-cp0.o obj-$(CONFIG_IWMMXT) += iwmmxt.o obj-$(CONFIG_PERF_EVENTS) += perf_regs.o perf_callchain.o -obj-$(CONFIG_HW_PERF_EVENTS) += perf_event.o perf_event_cpu.o perf_event_xscale.o +obj-$(CONFIG_HW_PERF_EVENTS) += perf_event.o perf_event_cpu.o \ + perf_event_xscale.o perf_event_v6.o CFLAGS_pj4-cp0.o := -marm AFLAGS_iwmmxt.o := -Wa,-mcpu=iwmmxt obj-$(CONFIG_ARM_CPU_TOPOLOGY) += topology.o diff --git a/arch/arm/kernel/perf_event_cpu.c b/arch/arm/kernel/perf_event_cpu.c index 1ebb179acf48..d24d585f7b9c 100644 --- a/arch/arm/kernel/perf_event_cpu.c +++ b/arch/arm/kernel/perf_event_cpu.c @@ -60,7 +60,6 @@ int perf_num_counters(void) EXPORT_SYMBOL_GPL(perf_num_counters); /* Include the PMU-specific implementations. */ -#include "perf_event_v6.c" #include "perf_event_v7.c" static void cpu_pmu_enable_percpu_irq(void *data) @@ -253,9 +252,6 @@ static const struct of_device_id cpu_pmu_of_device_ids[] = { {.compatible = "arm,cortex-a8-pmu", .data = armv7_a8_pmu_init}, {.compatible = "arm,cortex-a7-pmu", .data = armv7_a7_pmu_init}, {.compatible = "arm,cortex-a5-pmu", .data = armv7_a5_pmu_init}, - {.compatible = "arm,arm11mpcore-pmu", .data = armv6mpcore_pmu_init}, - {.compatible = "arm,arm1176-pmu", .data = armv6_1176_pmu_init}, - {.compatible = "arm,arm1136-pmu", .data = armv6_1136_pmu_init}, {.compatible = "qcom,krait-pmu", .data = krait_pmu_init}, {.compatible = "qcom,scorpion-pmu", .data = scorpion_pmu_init}, {.compatible = "qcom,scorpion-mp-pmu", .data = scorpion_mp_pmu_init}, @@ -264,16 +260,11 @@ static const struct of_device_id cpu_pmu_of_device_ids[] = { static struct platform_device_id cpu_pmu_plat_device_ids[] = { {.name = "arm-pmu"}, - {.name = "armv6-pmu"}, {.name = "armv7-pmu"}, {}, }; static const struct pmu_probe_info pmu_probe_table[] = { - ARM_PMU_PROBE(ARM_CPU_PART_ARM1136, armv6_1136_pmu_init), - ARM_PMU_PROBE(ARM_CPU_PART_ARM1156, armv6_1156_pmu_init), - ARM_PMU_PROBE(ARM_CPU_PART_ARM1176, armv6_1176_pmu_init), - ARM_PMU_PROBE(ARM_CPU_PART_ARM11MPCORE, armv6mpcore_pmu_init), ARM_PMU_PROBE(ARM_CPU_PART_CORTEX_A8, armv7_a8_pmu_init), ARM_PMU_PROBE(ARM_CPU_PART_CORTEX_A9, armv7_a9_pmu_init), { /* sentinel value */ } diff --git a/arch/arm/kernel/perf_event_v6.c b/arch/arm/kernel/perf_event_v6.c index f2ffd5c542ed..09f83e414a72 100644 --- a/arch/arm/kernel/perf_event_v6.c +++ b/arch/arm/kernel/perf_event_v6.c @@ -31,6 +31,14 @@ */ #if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) + +#include <asm/cputype.h> +#include <asm/irq_regs.h> +#include <asm/pmu.h> + +#include <linux/of.h> +#include <linux/platform_device.h> + enum armv6_perf_types { ARMV6_PERFCTR_ICACHE_MISS = 0x0, ARMV6_PERFCTR_IBUF_STALL = 0x1, @@ -543,24 +551,39 @@ static int armv6mpcore_pmu_init(struct arm_pmu *cpu_pmu) return 0; } -#else -static int armv6_1136_pmu_init(struct arm_pmu *cpu_pmu) -{ - return -ENODEV; -} -static int armv6_1156_pmu_init(struct arm_pmu *cpu_pmu) -{ - return -ENODEV; -} +static struct of_device_id armv6_pmu_of_device_ids[] = { + {.compatible = "arm,arm11mpcore-pmu", .data = armv6mpcore_pmu_init}, + {.compatible = "arm,arm1176-pmu", .data = armv6_1176_pmu_init}, + {.compatible = "arm,arm1136-pmu", .data = armv6_1136_pmu_init}, + { /* sentinel value */ } +}; -static int armv6_1176_pmu_init(struct arm_pmu *cpu_pmu) +static const struct pmu_probe_info armv6_pmu_probe_table[] = { + ARM_PMU_PROBE(ARM_CPU_PART_ARM1136, armv6_1136_pmu_init), + ARM_PMU_PROBE(ARM_CPU_PART_ARM1156, armv6_1156_pmu_init), + ARM_PMU_PROBE(ARM_CPU_PART_ARM1176, armv6_1176_pmu_init), + ARM_PMU_PROBE(ARM_CPU_PART_ARM11MPCORE, armv6mpcore_pmu_init), + { /* sentinel value */ } +}; + +static int armv6_pmu_device_probe(struct platform_device *pdev) { - return -ENODEV; + return arm_pmu_device_probe(pdev, armv6_pmu_of_device_ids, + armv6_pmu_probe_table); } -static int armv6mpcore_pmu_init(struct arm_pmu *cpu_pmu) +static struct platform_driver armv6_pmu_driver = { + .driver = { + .name = "armv6-pmu", + .of_match_table = armv6_pmu_of_device_ids, + }, + .probe = armv6_pmu_device_probe, +}; + +static int __init register_armv6_pmu_driver(void) { - return -ENODEV; + return platform_driver_register(&armv6_pmu_driver); } +device_initcall(register_armv6_pmu_driver); #endif /* CONFIG_CPU_V6 || CONFIG_CPU_V6K */ |