Insert additional context around tmc_flush_and_stop() errors.
Signed-off-by: Mike Leach mike.leach@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 d4f641cd9de6..62b4b685c1a1 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); @@ -496,7 +500,9 @@ 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 a48bb85d0e7f..122a067d1bb8 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-etr.c +++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c @@ -1139,7 +1139,9 @@ 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. @@ -1578,7 +1580,9 @@ 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);