add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/arch/riscv/kernel/perf_event.c
..
..
@@ -147,7 +147,7 @@
147
147
 	return riscv_pmu->hw_events[config];
148
148
 }
149
149
 
150
-int riscv_map_cache_decode(u64 config, unsigned int *type,
150
+static int riscv_map_cache_decode(u64 config, unsigned int *type,
151
151
 			   unsigned int *op, unsigned int *result)
152
152
 {
153
153
 	return -ENOENT;
..
..
@@ -185,10 +185,10 @@
185
185
 
186
186
 	switch (idx) {
187
187
 	case RISCV_PMU_CYCLE:
188
-		val = csr_read(cycle);
188
+		val = csr_read(CSR_CYCLE);
189
189
 		break;
190
190
 	case RISCV_PMU_INSTRET:
191
-		val = csr_read(instret);
191
+		val = csr_read(CSR_INSTRET);
192
192
 		break;
193
193
 	default:
194
194
 		WARN_ON_ONCE(idx < 0 ||	idx > RISCV_MAX_COUNTERS);
..
..
@@ -342,7 +342,7 @@
342
342
 
343
343
 static DEFINE_MUTEX(pmc_reserve_mutex);
344
344
 
345
-irqreturn_t riscv_base_pmu_handle_irq(int irq_num, void *dev)
345
+static irqreturn_t riscv_base_pmu_handle_irq(int irq_num, void *dev)
346
346
 {
347
347
 	return IRQ_NONE;
348
348
 }
..
..
@@ -361,7 +361,7 @@
361
361
 	return err;
362
362
 }
363
363
 
364
-void release_pmc_hardware(void)
364
+static void release_pmc_hardware(void)
365
365
 {
366
366
 	mutex_lock(&pmc_reserve_mutex);
367
367
 	if (riscv_pmu->irq >= 0)
..
..
@@ -464,7 +464,7 @@
464
464
 	{ /* sentinel value */ }
465
465
 };
466
466
 
467
-int __init init_hw_perf_events(void)
467
+static int __init init_hw_perf_events(void)
468
468
 {
469
469
 	struct device_node *node = of_find_node_by_type(NULL, "pmu");
470
470
 	const struct of_device_id *of_id;
..
..
@@ -476,6 +476,7 @@
476
476
 
477
477
 		if (of_id)
478
478
 			riscv_pmu = of_id->data;
479
+		of_node_put(node);
479
480
 	}
480
481
 
481
482
 	perf_pmu_register(riscv_pmu->pmu, "cpu", PERF_TYPE_RAW);