Merge "coresight-cti: Fix unbalanced PM runtime calls" (903437e0) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/hwtracing/coresight/coresight-cti.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -670,6 +670,7 @@ void coresight_cti_reset(struct coresight_cti *cti)
		struct cti_drvdata *drvdata;
		unsigned long flag;
		int trig;
		int refcnt;

		if (IS_ERR_OR_NULL(cti))
		return;
		@@ -678,6 +679,7 @@ void coresight_cti_reset(struct coresight_cti *cti)

		mutex_lock(&drvdata->mutex);

		refcnt = drvdata->refcnt;
		spin_lock_irqsave(&drvdata->spinlock, flag);
		if (cti_cpu_verify_access(drvdata))
		goto err;
		@@ -692,6 +694,8 @@ void coresight_cti_reset(struct coresight_cti *cti)
		cti_trigout_gpio_disable(drvdata);
		}

		if (refcnt)
		pm_runtime_put(drvdata->dev);
		mutex_unlock(&drvdata->mutex);
		return;
		err: