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Commit 673d5791 authored by Mao Jinlong's avatar Mao Jinlong
Browse files

byte-cntr: Support to enable byte-cntr after etr is enabled 



There will be use case that enable byte-cntr after etr is enabled.
Make changes to support it.

Change-Id: Iec32a04e5377b901d7b92aa8b4e2731b75619e81
Signed-off-by: default avatarMao Jinlong <jinlmao@codeaurora.org>
parent cd914bbc

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

+2 −1
Original line number Diff line number Diff line
@@ -239,7 +239,7 @@ static int tmc_etr_byte_cntr_open(struct inode *in, struct file *fp) 


	mutex_lock(&byte_cntr_data->byte_cntr_lock);



	if (!byte_cntr_data->enable || !byte_cntr_data->block_size) {

	if (!tmcdrvdata->enable || !byte_cntr_data->block_size) {

		mutex_unlock(&byte_cntr_data->byte_cntr_lock);

		return -EINVAL;

	}
@@ -252,6 +252,7 @@ static int tmc_etr_byte_cntr_open(struct inode *in, struct file *fp) 


	fp->private_data = byte_cntr_data;

	nonseekable_open(in, fp);

	byte_cntr_data->enable = true;

	byte_cntr_data->read_active = true;

	mutex_unlock(&byte_cntr_data->byte_cntr_lock);

	return 0;