1 files changed, 9 insertions, 10 deletions

diff --git a/arch/metag/kernel/perf/perf_event.c b/arch/metag/kernel/perf/perf_event.c
index 5cc4d4dcf3cf..02c08737f6aa 100644
--- a/arch/metag/kernel/perf/perf_event.c
+++ b/arch/metag/kernel/perf/perf_event.c
@@ -568,16 +568,6 @@ static int _hw_perf_event_init(struct perf_event *event)
                 return -EINVAL;
 
         /*
-         * Early cores have "limited" counters - they have no overflow
-         * interrupts - and so are unable to do sampling without extra work
-         * and timer assistance.
-         */
-        if (metag_pmu->max_period == 0) {
-                if (hwc->sample_period)
-                        return -EINVAL;
-        }
-
-        /*
          * Don't assign an index until the event is placed into the hardware.
          * -1 signifies that we're still deciding where to put it. On SMP
          * systems each core has its own set of counters, so we can't do any
@@ -866,6 +856,15 @@ static int __init init_hw_perf_events(void)
         pr_info("enabled with %s PMU driver, %d counters available\n",
                         metag_pmu->name, metag_pmu->max_events);
 
+        /*
+         * Early cores have "limited" counters - they have no overflow
+         * interrupts - and so are unable to do sampling without extra work
+         * and timer assistance.
+         */
+        if (metag_pmu->max_period == 0) {
+                metag_pmu->pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT;
+        }
+
         /* Initialise the active events and reservation mutex */
         atomic_set(&metag_pmu->active_events, 0);
         mutex_init(&metag_pmu->reserve_mutex);