diff options
Diffstat (limited to 'arch/xtensa/kernel/perf_event.c')
| -rw-r--r-- | arch/xtensa/kernel/perf_event.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/arch/xtensa/kernel/perf_event.c b/arch/xtensa/kernel/perf_event.c index a0d05c8598d0..223f1d452310 100644 --- a/arch/xtensa/kernel/perf_event.c +++ b/arch/xtensa/kernel/perf_event.c @@ -13,17 +13,26 @@ #include <linux/perf_event.h> #include <linux/platform_device.h> +#include <asm/core.h> #include <asm/processor.h> #include <asm/stacktrace.h> +#define XTENSA_HWVERSION_RG_2015_0 260000 + +#if XCHAL_HW_MIN_VERSION >= XTENSA_HWVERSION_RG_2015_0 +#define XTENSA_PMU_ERI_BASE 0x00101000 +#else +#define XTENSA_PMU_ERI_BASE 0x00001000 +#endif + /* Global control/status for all perf counters */ -#define XTENSA_PMU_PMG 0x1000 +#define XTENSA_PMU_PMG XTENSA_PMU_ERI_BASE /* Perf counter values */ -#define XTENSA_PMU_PM(i) (0x1080 + (i) * 4) +#define XTENSA_PMU_PM(i) (XTENSA_PMU_ERI_BASE + 0x80 + (i) * 4) /* Perf counter control registers */ -#define XTENSA_PMU_PMCTRL(i) (0x1100 + (i) * 4) +#define XTENSA_PMU_PMCTRL(i) (XTENSA_PMU_ERI_BASE + 0x100 + (i) * 4) /* Perf counter status registers */ -#define XTENSA_PMU_PMSTAT(i) (0x1180 + (i) * 4) +#define XTENSA_PMU_PMSTAT(i) (XTENSA_PMU_ERI_BASE + 0x180 + (i) * 4) #define XTENSA_PMU_PMG_PMEN 0x1 @@ -379,8 +388,7 @@ irqreturn_t xtensa_pmu_irq_handler(int irq, void *dev_id) struct pt_regs *regs = get_irq_regs(); perf_sample_data_init(&data, 0, last_period); - if (perf_event_overflow(event, &data, regs)) - xtensa_pmu_stop(event, 0); + perf_event_overflow(event, &data, regs); } rc = IRQ_HANDLED; |