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Commit bb49ae32 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "coresight-tmc: Adds lock to avoid race condition"

parents df39bd34 81f3b9aa

drivers/hwtracing/coresight/coresight-tmc.c

+2 −1
Original line number Diff line number Diff line
@@ -1018,6 +1018,7 @@ static void tmc_disable(struct tmc_drvdata *drvdata, enum tmc_mode mode) 
{

	unsigned long flags;



	mutex_lock(&drvdata->mem_lock);

	spin_lock_irqsave(&drvdata->spinlock, flags);

	if (drvdata->reading)

		goto out;
@@ -1054,7 +1055,7 @@ out: 
	}



	pm_runtime_put(drvdata->dev);



	mutex_unlock(&drvdata->mem_lock);

	dev_info(drvdata->dev, "TMC disabled\n");

}