diff options
| -rw-r--r-- | arch/arm/kernel/perf_event_cpu.c | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/arch/arm/kernel/perf_event_cpu.c b/arch/arm/kernel/perf_event_cpu.c index 5f66206..efa5295 100644 --- a/arch/arm/kernel/perf_event_cpu.c +++ b/arch/arm/kernel/perf_event_cpu.c @@ -201,48 +201,46 @@ static struct platform_device_id cpu_pmu_plat_device_ids[] = { static int probe_current_pmu(struct arm_pmu *pmu) { int cpu = get_cpu(); - unsigned long cpuid = read_cpuid_id(); - unsigned long implementor = (cpuid & 0xFF000000) >> 24; - unsigned long part_number = (cpuid & 0xFFF0); + unsigned long implementor = read_cpuid_implementor(); + unsigned long part_number = read_cpuid_part_number(); int ret = -ENODEV; pr_info("probing PMU on CPU %d\n", cpu); /* ARM Ltd CPUs. */ - if (0x41 == implementor) { + if (implementor == ARM_CPU_IMP_ARM) { switch (part_number) { - case 0xB360: /* ARM1136 */ - case 0xB560: /* ARM1156 */ - case 0xB760: /* ARM1176 */ + case ARM_CPU_PART_ARM1136: + case ARM_CPU_PART_ARM1156: + case ARM_CPU_PART_ARM1176: ret = armv6pmu_init(pmu); break; - case 0xB020: /* ARM11mpcore */ + case ARM_CPU_PART_ARM11MPCORE: ret = armv6mpcore_pmu_init(pmu); break; - case 0xC080: /* Cortex-A8 */ + case ARM_CPU_PART_CORTEX_A8: ret = armv7_a8_pmu_init(pmu); break; - case 0xC090: /* Cortex-A9 */ + case ARM_CPU_PART_CORTEX_A9: ret = armv7_a9_pmu_init(pmu); break; - case 0xC050: /* Cortex-A5 */ + case ARM_CPU_PART_CORTEX_A5: ret = armv7_a5_pmu_init(pmu); break; - case 0xC0F0: /* Cortex-A15 */ + case ARM_CPU_PART_CORTEX_A15: ret = armv7_a15_pmu_init(pmu); break; - case 0xC070: /* Cortex-A7 */ + case ARM_CPU_PART_CORTEX_A7: ret = armv7_a7_pmu_init(pmu); break; } /* Intel CPUs [xscale]. */ - } else if (0x69 == implementor) { - part_number = (cpuid >> 13) & 0x7; - switch (part_number) { - case 1: + } else if (implementor == ARM_CPU_IMP_INTEL) { + switch (xscale_cpu_arch_version()) { + case ARM_CPU_XSCALE_ARCH_V1: ret = xscale1pmu_init(pmu); break; - case 2: + case ARM_CPU_XSCALE_ARCH_V2: ret = xscale2pmu_init(pmu); break; } |