--- zzzz-none-000/linux-5.4.213/drivers/hwtracing/coresight/coresight-tmc-etf.c	2022-09-15 10:04:56.000000000 +0000
+++ miami-7690-761/linux-5.4.213/drivers/hwtracing/coresight/coresight-tmc-etf.c	2024-05-29 11:19:51.000000000 +0000
@@ -217,6 +217,12 @@
 	if (!used)
 		kfree(buf);
 
+	if (!ret) {
+		coresight_cti_map_trigin(drvdata->cti_reset, 0, 0);
+		coresight_cti_map_trigout(drvdata->cti_flush, 1, 0);
+		dev_info(&csdev->dev, "TMC-ETB/ETF enabled\n");
+	}
+
 	return ret;
 }
 
@@ -328,6 +334,8 @@
 
 	spin_unlock_irqrestore(&drvdata->spinlock, flags);
 
+	coresight_cti_unmap_trigin(drvdata->cti_reset, 0, 0);
+	coresight_cti_unmap_trigout(drvdata->cti_flush, 1, 0);
 	dev_dbg(&csdev->dev, "TMC-ETB/ETF disabled\n");
 	return 0;
 }
@@ -558,12 +566,43 @@
 	return to_read;
 }
 
+static void tmc_abort_etf_sink(struct coresight_device *csdev)
+{
+	struct tmc_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
+	unsigned long flags;
+	enum tmc_mode mode;
+
+	spin_lock_irqsave(&drvdata->spinlock, flags);
+	if (drvdata->reading)
+		goto out0;
+
+	if (drvdata->config_type == TMC_CONFIG_TYPE_ETB) {
+		tmc_etb_disable_hw(drvdata);
+	} else {
+		mode = readl_relaxed(drvdata->base + TMC_MODE);
+		if (mode == TMC_MODE_CIRCULAR_BUFFER)
+			tmc_etb_disable_hw(drvdata);
+		else
+			goto out1;
+	}
+out0:
+	drvdata->enable = false;
+	spin_unlock_irqrestore(&drvdata->spinlock, flags);
+
+	dev_info(&drvdata->csdev->dev, "TMC aborted\n");
+	return;
+out1:
+	spin_unlock_irqrestore(&drvdata->spinlock, flags);
+}
+
+
 static const struct coresight_ops_sink tmc_etf_sink_ops = {
 	.enable		= tmc_enable_etf_sink,
 	.disable	= tmc_disable_etf_sink,
 	.alloc_buffer	= tmc_alloc_etf_buffer,
 	.free_buffer	= tmc_free_etf_buffer,
 	.update_buffer	= tmc_update_etf_buffer,
+	.abort		= tmc_abort_etf_sink,
 };
 
 static const struct coresight_ops_link tmc_etf_link_ops = {