diff options
Diffstat (limited to 'arch/arm/kernel')
| -rw-r--r-- | arch/arm/kernel/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/kernel/perf_event.c | 8 | ||||
| -rw-r--r-- | arch/arm/kernel/pmu.c | 36 |
3 files changed, 0 insertions, 45 deletions
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index 7ad2d5cf7008..cfbe3b4d1d5e 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -69,7 +69,6 @@ obj-$(CONFIG_CPU_XSC3) += xscale-cp0.o obj-$(CONFIG_CPU_MOHAWK) += xscale-cp0.o obj-$(CONFIG_CPU_PJ4) += pj4-cp0.o obj-$(CONFIG_IWMMXT) += iwmmxt.o -obj-$(CONFIG_CPU_HAS_PMU) += pmu.o obj-$(CONFIG_HW_PERF_EVENTS) += perf_event.o AFLAGS_iwmmxt.o := -Wa,-mcpu=iwmmxt obj-$(CONFIG_ARM_CPU_TOPOLOGY) += topology.o diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index 3aa338849133..1ac1531dcfef 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -377,7 +377,6 @@ armpmu_release_hardware(struct arm_pmu *armpmu) } pm_runtime_put_sync(&pmu_device->dev); - release_pmu(armpmu->type); } static int @@ -391,12 +390,6 @@ armpmu_reserve_hardware(struct arm_pmu *armpmu) if (!pmu_device) return -ENODEV; - err = reserve_pmu(armpmu->type); - if (err) { - pr_warning("unable to reserve pmu\n"); - return err; - } - plat = dev_get_platdata(&pmu_device->dev); if (plat && plat->handle_irq) handle_irq = armpmu_platform_irq; @@ -706,7 +699,6 @@ static void __init cpu_pmu_init(struct arm_pmu *armpmu) raw_spin_lock_init(&events->pmu_lock); } armpmu->get_hw_events = armpmu_get_cpu_events; - armpmu->type = ARM_PMU_DEVICE_CPU; } /* diff --git a/arch/arm/kernel/pmu.c b/arch/arm/kernel/pmu.c deleted file mode 100644 index 2334bf8a650a..000000000000 --- a/arch/arm/kernel/pmu.c +++ /dev/null @@ -1,36 +0,0 @@ -/* - * linux/arch/arm/kernel/pmu.c - * - * Copyright (C) 2009 picoChip Designs Ltd, Jamie Iles - * Copyright (C) 2010 ARM Ltd, Will Deacon - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ - -#include <linux/err.h> -#include <linux/kernel.h> -#include <linux/module.h> - -#include <asm/pmu.h> - -/* - * PMU locking to ensure mutual exclusion between different subsystems. - */ -static unsigned long pmu_lock[BITS_TO_LONGS(ARM_NUM_PMU_DEVICES)]; - -int -reserve_pmu(enum arm_pmu_type type) -{ - return test_and_set_bit_lock(type, pmu_lock) ? -EBUSY : 0; -} -EXPORT_SYMBOL_GPL(reserve_pmu); - -void -release_pmu(enum arm_pmu_type type) -{ - clear_bit_unlock(type, pmu_lock); -} -EXPORT_SYMBOL_GPL(release_pmu); |