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Commit 0c1a3d6c 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: Fix the mem_type and mem_size of ETR"

parents bcfd53ce 837c89ea

drivers/hwtracing/coresight/coresight-tmc.c

+11 −0
Original line number Diff line number Diff line
@@ -393,6 +393,12 @@ static ssize_t mem_size_store(struct device *dev, 
		return -EINVAL;

	}



	if (drvdata->enable) {

		mutex_unlock(&drvdata->mem_lock);

		pr_err("ETR is in use, disable it to change the mem_size\n");

		return -EINVAL;

	}



	drvdata->mem_size = val;

	mutex_unlock(&drvdata->mem_lock);

	return size;
@@ -523,6 +529,11 @@ static ssize_t mem_type_store(struct device *dev, 
		return -EINVAL;



	mutex_lock(&drvdata->mem_lock);

	if (drvdata->enable) {

		mutex_unlock(&drvdata->mem_lock);

		pr_err("ETR is in use, disable it to switch the mode\n");

		return -EINVAL;

	}

	if (!strcmp(str, str_tmc_etr_mem_type[TMC_ETR_MEM_TYPE_CONTIG]))

		drvdata->mem_type = TMC_ETR_MEM_TYPE_CONTIG;

	else if (!strcmp(str, str_tmc_etr_mem_type[TMC_ETR_MEM_TYPE_SG]))