diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/kernel/smp_twd.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-imx/mmdc.c | 34 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/coherency.c | 2 | ||||
| -rw-r--r-- | arch/arm/mm/cache-l2x0-pmu.c | 2 | ||||
| -rw-r--r-- | arch/arm/mm/cache-l2x0.c | 2 | ||||
| -rw-r--r-- | arch/arm/vfp/vfpmodule.c | 2 | ||||
| -rw-r--r-- | arch/arm/xen/enlighten.c | 2 |
7 files changed, 28 insertions, 18 deletions
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c index 02d5e5e8d44c..895ae5197159 100644 --- a/arch/arm/kernel/smp_twd.c +++ b/arch/arm/kernel/smp_twd.c @@ -339,7 +339,7 @@ static int __init twd_local_timer_common_register(struct device_node *np) } cpuhp_setup_state_nocalls(CPUHP_AP_ARM_TWD_STARTING, - "AP_ARM_TWD_STARTING", + "arm/timer/twd:starting", twd_timer_starting_cpu, twd_timer_dying_cpu); twd_get_clock(np); diff --git a/arch/arm/mach-imx/mmdc.c b/arch/arm/mach-imx/mmdc.c index ba96bf979625..699157759120 100644 --- a/arch/arm/mach-imx/mmdc.c +++ b/arch/arm/mach-imx/mmdc.c @@ -60,6 +60,7 @@ #define to_mmdc_pmu(p) container_of(p, struct mmdc_pmu, pmu) +static enum cpuhp_state cpuhp_mmdc_state; static int ddr_type; struct fsl_mmdc_devtype_data { @@ -451,8 +452,8 @@ static int imx_mmdc_remove(struct platform_device *pdev) { struct mmdc_pmu *pmu_mmdc = platform_get_drvdata(pdev); + cpuhp_state_remove_instance_nocalls(cpuhp_mmdc_state, &pmu_mmdc->node); perf_pmu_unregister(&pmu_mmdc->pmu); - cpuhp_remove_state_nocalls(CPUHP_ONLINE); kfree(pmu_mmdc); return 0; } @@ -472,6 +473,18 @@ static int imx_mmdc_perf_init(struct platform_device *pdev, void __iomem *mmdc_b return -ENOMEM; } + /* The first instance registers the hotplug state */ + if (!cpuhp_mmdc_state) { + ret = cpuhp_setup_state_multi(CPUHP_AP_ONLINE_DYN, + "perf/arm/mmdc:online", NULL, + mmdc_pmu_offline_cpu); + if (ret < 0) { + pr_err("cpuhp_setup_state_multi failed\n"); + goto pmu_free; + } + cpuhp_mmdc_state = ret; + } + mmdc_num = mmdc_pmu_init(pmu_mmdc, mmdc_base, &pdev->dev); if (mmdc_num == 0) name = "mmdc"; @@ -485,26 +498,23 @@ static int imx_mmdc_perf_init(struct platform_device *pdev, void __iomem *mmdc_b HRTIMER_MODE_REL); pmu_mmdc->hrtimer.function = mmdc_pmu_timer_handler; - cpuhp_state_add_instance_nocalls(CPUHP_ONLINE, - &pmu_mmdc->node); - cpumask_set_cpu(smp_processor_id(), &pmu_mmdc->cpu); - ret = cpuhp_setup_state_multi(CPUHP_AP_NOTIFY_ONLINE, - "MMDC_ONLINE", NULL, - mmdc_pmu_offline_cpu); - if (ret) { - pr_err("cpuhp_setup_state_multi failure\n"); - goto pmu_register_err; - } + cpumask_set_cpu(raw_smp_processor_id(), &pmu_mmdc->cpu); + + /* Register the pmu instance for cpu hotplug */ + cpuhp_state_add_instance_nocalls(cpuhp_mmdc_state, &pmu_mmdc->node); ret = perf_pmu_register(&(pmu_mmdc->pmu), name, -1); - platform_set_drvdata(pdev, pmu_mmdc); if (ret) goto pmu_register_err; + + platform_set_drvdata(pdev, pmu_mmdc); return 0; pmu_register_err: pr_warn("MMDC Perf PMU failed (%d), disabled\n", ret); + cpuhp_state_remove_instance_nocalls(cpuhp_mmdc_state, &pmu_mmdc->node); hrtimer_cancel(&pmu_mmdc->hrtimer); +pmu_free: kfree(pmu_mmdc); return ret; } diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c index ae2a018b9305..8f8748a0c84f 100644 --- a/arch/arm/mach-mvebu/coherency.c +++ b/arch/arm/mach-mvebu/coherency.c @@ -148,7 +148,7 @@ static void __init armada_370_coherency_init(struct device_node *np) of_node_put(cpu_config_np); cpuhp_setup_state_nocalls(CPUHP_AP_ARM_MVEBU_COHERENCY, - "AP_ARM_MVEBU_COHERENCY", + "arm/mvebu/coherency:starting", armada_xp_clear_l2_starting, NULL); exit: set_cpu_coherent(); diff --git a/arch/arm/mm/cache-l2x0-pmu.c b/arch/arm/mm/cache-l2x0-pmu.c index 976d3057272e..0a1e2280141f 100644 --- a/arch/arm/mm/cache-l2x0-pmu.c +++ b/arch/arm/mm/cache-l2x0-pmu.c @@ -563,7 +563,7 @@ static __init int l2x0_pmu_init(void) cpumask_set_cpu(0, &pmu_cpu); ret = cpuhp_setup_state_nocalls(CPUHP_AP_PERF_ARM_L2X0_ONLINE, - "AP_PERF_ARM_L2X0_ONLINE", NULL, + "perf/arm/l2x0:online", NULL, l2x0_pmu_offline_cpu); if (ret) goto out_pmu; diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index d1870c777c6e..2290be390f87 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -683,7 +683,7 @@ static void __init l2c310_enable(void __iomem *base, unsigned num_lock) if (aux & L310_AUX_CTRL_FULL_LINE_ZERO) cpuhp_setup_state(CPUHP_AP_ARM_L2X0_STARTING, - "AP_ARM_L2X0_STARTING", l2c310_starting_cpu, + "arm/l2x0:starting", l2c310_starting_cpu, l2c310_dying_cpu); } diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 0351f5645fb1..569d5a650a4a 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -799,7 +799,7 @@ static int __init vfp_init(void) } cpuhp_setup_state_nocalls(CPUHP_AP_ARM_VFP_STARTING, - "AP_ARM_VFP_STARTING", vfp_starting_cpu, + "arm/vfp:starting", vfp_starting_cpu, vfp_dying_cpu); vfp_vector = vfp_support_entry; diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index 4986dc0c1dff..11d9f2898b16 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -412,7 +412,7 @@ static int __init xen_guest_init(void) pvclock_gtod_register_notifier(&xen_pvclock_gtod_notifier); return cpuhp_setup_state(CPUHP_AP_ARM_XEN_STARTING, - "AP_ARM_XEN_STARTING", xen_starting_cpu, + "arm/xen:starting", xen_starting_cpu, xen_dying_cpu); } early_initcall(xen_guest_init); |