diff options
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-tmc-etf.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-tmc-etf.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etf.c b/drivers/hwtracing/coresight/coresight-tmc-etf.c index d50a608a60f1..30f868676540 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-etf.c +++ b/drivers/hwtracing/coresight/coresight-tmc-etf.c @@ -297,11 +297,10 @@ static int tmc_disable_etf_sink(struct coresight_device *csdev) return -EBUSY; } - /* Disable the TMC only if it needs to */ - if (drvdata->mode != CS_MODE_DISABLED) { - tmc_etb_disable_hw(drvdata); - drvdata->mode = CS_MODE_DISABLED; - } + /* Complain if we (somehow) got out of sync */ + WARN_ON_ONCE(drvdata->mode == CS_MODE_DISABLED); + tmc_etb_disable_hw(drvdata); + drvdata->mode = CS_MODE_DISABLED; spin_unlock_irqrestore(&drvdata->spinlock, flags); |