add r8169 read mac form eeprom

hc

2024-02-19 1c055e55a242a33e574e48be530e06770a210dcd

 kernel/drivers/perf/fsl_imx8_ddr_perf.c
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@@ -82,6 +82,7 @@
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 	const struct fsl_ddr_devtype_data *devtype_data;
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 	int irq;
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 	int id;
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+	int active_counter;
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 };
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 enum ddr_perf_filter_capabilities {
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@@ -414,6 +415,10 @@
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 	ddr_perf_counter_enable(pmu, event->attr.config, counter, true);
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+	if (!pmu->active_counter++)
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+		ddr_perf_counter_enable(pmu, EVENT_CYCLES_ID,
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+			EVENT_CYCLES_COUNTER, true);
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+
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 	hwc->state = 0;
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 }
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@@ -468,6 +473,10 @@
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 	ddr_perf_counter_enable(pmu, event->attr.config, counter, false);
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 	ddr_perf_event_update(event);
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+	if (!--pmu->active_counter)
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+		ddr_perf_counter_enable(pmu, EVENT_CYCLES_ID,
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+			EVENT_CYCLES_COUNTER, false);
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+
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 	hwc->state |= PERF_HES_STOPPED;
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 }
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@@ -486,25 +495,10 @@
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 static void ddr_perf_pmu_enable(struct pmu *pmu)
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 {
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-	struct ddr_pmu *ddr_pmu = to_ddr_pmu(pmu);
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-
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-	/* enable cycle counter if cycle is not active event list */
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-	if (ddr_pmu->events[EVENT_CYCLES_COUNTER] == NULL)
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-		ddr_perf_counter_enable(ddr_pmu,
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-				      EVENT_CYCLES_ID,
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-				      EVENT_CYCLES_COUNTER,
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-				      true);
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 }
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 static void ddr_perf_pmu_disable(struct pmu *pmu)
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 {
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-	struct ddr_pmu *ddr_pmu = to_ddr_pmu(pmu);
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-
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-	if (ddr_pmu->events[EVENT_CYCLES_COUNTER] == NULL)
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-		ddr_perf_counter_enable(ddr_pmu,
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-				      EVENT_CYCLES_ID,
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-				      EVENT_CYCLES_COUNTER,
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-				      false);
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 }
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 static int ddr_perf_init(struct ddr_pmu *pmu, void __iomem *base,