[PATCH 3/3] coresight: etf: etr: Update logging around flush_and_stop() errors

[Mike Leach]

Insert additional context around tmc_flush_and_stop() errors.

Signed-off-by: Mike Leach <mike.leach at linaro.org>
---
 drivers/hwtracing/coresight/coresight-tmc-etf.c | 12 +++++++++---
 drivers/hwtracing/coresight/coresight-tmc-etr.c |  8 ++++++--
 2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/drivers/hwtracing/coresight/coresight-tmc-etf.c b/drivers/hwtracing/coresight/coresight-tmc-etf.c
index 0ab1f73c2d06..c8a4d4eff64f 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etf.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etf.c
@@ -84,7 +84,9 @@ static void __tmc_etb_disable_hw(struct tmc_drvdata *drvdata)
 {
 	CS_UNLOCK(drvdata->base);
 
-	tmc_flush_and_stop(drvdata);
+	if (tmc_flush_and_stop(drvdata))
+		dev_err(&drvdata->csdev->dev,
+			"Flush and stop error disabling ETB\n");
 	/*
 	 * When operating in sysFS mode the content of the buffer needs to be
 	 * read before the TMC is disabled.
@@ -146,7 +148,9 @@ static void tmc_etf_disable_hw(struct tmc_drvdata *drvdata)
 
 	CS_UNLOCK(drvdata->base);
 
-	tmc_flush_and_stop(drvdata);
+	if (tmc_flush_and_stop(drvdata))
+		dev_err(&drvdata->csdev->dev,
+			"Flush and stop error disabling ETF\n");
 	tmc_disable_hw(drvdata);
 	coresight_disclaim_device_unlocked(csdev);
 	CS_LOCK(drvdata->base);
@@ -492,7 +496,9 @@ static unsigned long tmc_update_etf_buffer(struct coresight_device *csdev,
 
 	CS_UNLOCK(drvdata->base);
 
-	tmc_flush_and_stop(drvdata);
+	if (tmc_flush_and_stop(drvdata))
+		dev_err(&drvdata->csdev->dev,
+			"Flush and stop error updating perf buffer\n");
 
 	read_ptr = tmc_read_rrp(drvdata);
 	write_ptr = tmc_read_rwp(drvdata);
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c
index 918d461fcf4a..ceae6a093612 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etr.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c
@@ -1145,7 +1145,9 @@ static void __tmc_etr_disable_hw(struct tmc_drvdata *drvdata)
 {
 	CS_UNLOCK(drvdata->base);
 
-	tmc_flush_and_stop(drvdata);
+	if (tmc_flush_and_stop(drvdata))
+		dev_err(&drvdata->csdev->dev,
+			"Flush and stop error disabling ETR\n");
 	/*
 	 * When operating in sysFS mode the content of the buffer needs to be
 	 * read before the TMC is disabled.
@@ -1548,7 +1550,9 @@ tmc_update_etr_buffer(struct coresight_device *csdev,
 
 	CS_UNLOCK(drvdata->base);
 
-	tmc_flush_and_stop(drvdata);
+	if (tmc_flush_and_stop(drvdata))
+		dev_err(&csdev->dev,
+			"Flush and Stop error updating perf buffer\n");
 	tmc_sync_etr_buf(drvdata);
 
 	CS_LOCK(drvdata->base);
-- 
2.17.1