summaryrefslogtreecommitdiff
path: root/drivers/perf/arm_cspmu/ampere_cspmu.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/perf/arm_cspmu/ampere_cspmu.c')
-rw-r--r--drivers/perf/arm_cspmu/ampere_cspmu.c32
1 files changed, 10 insertions, 22 deletions
diff --git a/drivers/perf/arm_cspmu/ampere_cspmu.c b/drivers/perf/arm_cspmu/ampere_cspmu.c
index f72f5689923c..b8ca69fd9d1d 100644
--- a/drivers/perf/arm_cspmu/ampere_cspmu.c
+++ b/drivers/perf/arm_cspmu/ampere_cspmu.c
@@ -10,10 +10,10 @@
#include "arm_cspmu.h"
-#define PMAUXR0 0xD80
-#define PMAUXR1 0xD84
-#define PMAUXR2 0xD88
-#define PMAUXR3 0xD8C
+#define PMAUXR0 PMIMPDEF
+#define PMAUXR1 (PMIMPDEF + 0x4)
+#define PMAUXR2 (PMIMPDEF + 0x8)
+#define PMAUXR3 (PMIMPDEF + 0xC)
#define to_ampere_cspmu_ctx(cspmu) ((struct ampere_cspmu_ctx *)(cspmu->impl.ctx))
@@ -132,32 +132,20 @@ ampere_cspmu_get_name(const struct arm_cspmu *cspmu)
return ctx->name;
}
-static u32 ampere_cspmu_event_filter(const struct perf_event *event)
+static void ampere_cspmu_set_cc_filter(struct arm_cspmu *cspmu,
+ const struct perf_event *event)
{
/*
- * PMEVFILTR or PMCCFILTR aren't used in Ampere SoC PMU but are marked
- * as RES0. Make sure, PMCCFILTR is written zero.
+ * PMCCFILTR is RES0, so this is just a dummy callback to override
+ * the default implementation and avoid writing to it.
*/
- return 0;
}
static void ampere_cspmu_set_ev_filter(struct arm_cspmu *cspmu,
- struct hw_perf_event *hwc,
- u32 filter)
+ const struct perf_event *event)
{
- struct perf_event *event;
- unsigned int idx;
u32 threshold, rank, bank;
- /*
- * At this point, all the events have the same filter settings.
- * Therefore, take the first event and use its configuration.
- */
- idx = find_first_bit(cspmu->hw_events.used_ctrs,
- cspmu->cycle_counter_logical_idx);
-
- event = cspmu->hw_events.events[idx];
-
threshold = get_threshold(event);
rank = get_rank(event);
bank = get_bank(event);
@@ -233,7 +221,7 @@ static int ampere_cspmu_init_ops(struct arm_cspmu *cspmu)
cspmu->impl.ctx = ctx;
- impl_ops->event_filter = ampere_cspmu_event_filter;
+ impl_ops->set_cc_filter = ampere_cspmu_set_cc_filter;
impl_ops->set_ev_filter = ampere_cspmu_set_ev_filter;
impl_ops->validate_event = ampere_cspmu_validate_event;
impl_ops->get_name = ampere_cspmu_get_name;