diff options
Diffstat (limited to 'arch/arm/oprofile/op_model_v6.c')
| -rw-r--r-- | arch/arm/oprofile/op_model_v6.c | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/arch/arm/oprofile/op_model_v6.c b/arch/arm/oprofile/op_model_v6.c index f7d2ec5ee9a..a22357a2fd0 100644 --- a/arch/arm/oprofile/op_model_v6.c +++ b/arch/arm/oprofile/op_model_v6.c @@ -19,39 +19,47 @@ /* #define DEBUG */ #include <linux/types.h> #include <linux/errno.h> +#include <linux/err.h> #include <linux/sched.h> #include <linux/oprofile.h> #include <linux/interrupt.h> #include <asm/irq.h> #include <asm/system.h> +#include <asm/pmu.h> #include "op_counter.h" #include "op_arm_model.h" #include "op_model_arm11_core.h" -static int irqs[] = { -#ifdef CONFIG_ARCH_OMAP2 - 3, -#endif -#ifdef CONFIG_ARCH_BCMRING - IRQ_PMUIRQ, /* for BCMRING, ARM PMU interrupt is 43 */ -#endif -}; +static const struct pmu_irqs *pmu_irqs; static void armv6_pmu_stop(void) { arm11_stop_pmu(); - arm11_release_interrupts(irqs, ARRAY_SIZE(irqs)); + arm11_release_interrupts(pmu_irqs->irqs, pmu_irqs->num_irqs); + release_pmu(pmu_irqs); + pmu_irqs = NULL; } static int armv6_pmu_start(void) { int ret; - ret = arm11_request_interrupts(irqs, ARRAY_SIZE(irqs)); - if (ret >= 0) + pmu_irqs = reserve_pmu(); + if (IS_ERR(pmu_irqs)) { + ret = PTR_ERR(pmu_irqs); + goto out; + } + + ret = arm11_request_interrupts(pmu_irqs->irqs, pmu_irqs->num_irqs); + if (ret >= 0) { ret = arm11_start_pmu(); + } else { + release_pmu(pmu_irqs); + pmu_irqs = NULL; + } +out: return ret; } |