diff options
Diffstat (limited to 'arch/arm/kernel/perf_event_v7.c')
| -rw-r--r-- | arch/arm/kernel/perf_event_v7.c | 77 |
1 files changed, 37 insertions, 40 deletions
diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c index ccec472c1cdd..f9b37f876e20 100644 --- a/arch/arm/kernel/perf_event_v7.c +++ b/arch/arm/kernel/perf_event_v7.c @@ -19,9 +19,15 @@ #ifdef CONFIG_CPU_V7 #include <asm/cp15.h> +#include <asm/cputype.h> +#include <asm/irq_regs.h> +#include <asm/pmu.h> #include <asm/vfp.h> #include "../vfp/vfpinstr.h" +#include <linux/of.h> +#include <linux/platform_device.h> + /* * Common ARMv7 event types * @@ -1853,54 +1859,45 @@ static int scorpion_mp_pmu_init(struct arm_pmu *cpu_pmu) cpu_pmu->clear_event_idx = scorpion_pmu_clear_event_idx; return armv7_probe_num_events(cpu_pmu); } -#else -static inline int armv7_a8_pmu_init(struct arm_pmu *cpu_pmu) -{ - return -ENODEV; -} - -static inline int armv7_a9_pmu_init(struct arm_pmu *cpu_pmu) -{ - return -ENODEV; -} - -static inline int armv7_a5_pmu_init(struct arm_pmu *cpu_pmu) -{ - return -ENODEV; -} - -static inline int armv7_a15_pmu_init(struct arm_pmu *cpu_pmu) -{ - return -ENODEV; -} -static inline int armv7_a7_pmu_init(struct arm_pmu *cpu_pmu) -{ - return -ENODEV; -} +static const struct of_device_id armv7_pmu_of_device_ids[] = { + {.compatible = "arm,cortex-a17-pmu", .data = armv7_a17_pmu_init}, + {.compatible = "arm,cortex-a15-pmu", .data = armv7_a15_pmu_init}, + {.compatible = "arm,cortex-a12-pmu", .data = armv7_a12_pmu_init}, + {.compatible = "arm,cortex-a9-pmu", .data = armv7_a9_pmu_init}, + {.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 = "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}, + {}, +}; -static inline int armv7_a12_pmu_init(struct arm_pmu *cpu_pmu) -{ - return -ENODEV; -} +static const struct pmu_probe_info armv7_pmu_probe_table[] = { + 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 */ } +}; -static inline int armv7_a17_pmu_init(struct arm_pmu *cpu_pmu) -{ - return -ENODEV; -} -static inline int krait_pmu_init(struct arm_pmu *cpu_pmu) +static int armv7_pmu_device_probe(struct platform_device *pdev) { - return -ENODEV; + return arm_pmu_device_probe(pdev, armv7_pmu_of_device_ids, + armv7_pmu_probe_table); } -static inline int scorpion_pmu_init(struct arm_pmu *cpu_pmu) -{ - return -ENODEV; -} +static struct platform_driver armv7_pmu_driver = { + .driver = { + .name = "armv7-pmu", + .of_match_table = armv7_pmu_of_device_ids, + }, + .probe = armv7_pmu_device_probe, +}; -static inline int scorpion_mp_pmu_init(struct arm_pmu *cpu_pmu) +static int __init register_armv7_pmu_driver(void) { - return -ENODEV; + return platform_driver_register(&armv7_pmu_driver); } +device_initcall(register_armv7_pmu_driver); #endif /* CONFIG_CPU_V7 */ |