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Commit 25e85d4a authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
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Merge "coresight:byte-cntr: fix the byte-counter of ETR"

parents 89c2aecb bad05b4f

drivers/hwtracing/coresight/coresight-byte-cntr.c

+5 −1
Original line number Diff line number Diff line
@@ -270,8 +270,12 @@ static int tmc_etr_byte_cntr_open(struct inode *in, struct file *fp) 
		return -EINVAL;

	}



	/* IRQ is a '8- byte' counter and to observe interrupt at

	 * 'block_size' bytes of data

	 */

	coresight_csr_set_byte_cntr(byte_cntr_data->csr,

				byte_cntr_data->block_size);

				(byte_cntr_data->block_size) / 8);



	fp->private_data = byte_cntr_data;

	nonseekable_open(in, fp);

	byte_cntr_data->enable = true;

drivers/hwtracing/coresight/coresight-tmc.c

+6 −1
Original line number Diff line number Diff line
@@ -495,8 +495,13 @@ static ssize_t block_size_store(struct device *dev, 
	if (!drvdata->byte_cntr)

		return -EINVAL;



	if (val && val < 16) {

		pr_err("Assign minimum block size of 16 bytes\n");

		return -EINVAL;

	}



	mutex_lock(&drvdata->byte_cntr->byte_cntr_lock);

	drvdata->byte_cntr->block_size = val * 8;

	drvdata->byte_cntr->block_size = val;

	mutex_unlock(&drvdata->byte_cntr->byte_cntr_lock);



	return size;