drivers/perf: fsl_imx8_ddr_perf: Remove set-but-not-used variable

active_events is set but not used, remove it.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.kernel.org/r/20230203121509.3580245-1-s.hauer@pengutronix.de
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/drivers/perf/fsl_imx8_ddr_perf.c b/drivers/perf/fsl_imx8_ddr_perf.c
index 8e058e0..5222ba1 100644 (file)
--- a/drivers/perf/fsl_imx8_ddr_perf.c
+++ b/drivers/perf/fsl_imx8_ddr_perf.c
@@ -97,7 +97,6 @@ struct ddr_pmu {
        struct  hlist_node node;
        struct  device *dev;
        struct perf_event *events[NUM_COUNTERS];
-       int active_events;
        enum cpuhp_state cpuhp_state;
        const struct fsl_ddr_devtype_data *devtype_data;
        int irq;
@@ -530,7 +529,6 @@ static int ddr_perf_event_add(struct perf_event *event, int flags)
        }
 
        pmu->events[counter] = event;
-       pmu->active_events++;
        hwc->idx = counter;
 
        hwc->state |= PERF_HES_STOPPED;
@@ -562,7 +560,6 @@ static void ddr_perf_event_del(struct perf_event *event, int flags)
        ddr_perf_event_stop(event, PERF_EF_UPDATE);
 
        ddr_perf_free_counter(pmu, counter);
-       pmu->active_events--;
        hwc->idx = -1;
 }