This is a note to let you know that I've just added the patch titled
coresight: etm4x: Fix issues within reset interface of sysfs
to the 5.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
coresight-etm4x-fix-issues-within-reset-interface-of.patch
and it can be found in the queue-5.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 6321f522a2b4f778587151165289556cde9cb03b
Author: Jonathan Zhou <jonathan.zhouwen@xxxxxxxxxx>
Date: Wed Sep 16 13:17:29 2020 -0600
coresight: etm4x: Fix issues within reset interface of sysfs
[ Upstream commit 4020fc8d4658dc1dbc27c5644bcb6254caa05e5e ]
The member @nr_addr_cmp is not a bool value, using operator '>'
instead to avoid unexpected failure.
Fixes: a77de2637c9e ("coresight: etm4x: moving sysFS entries to a dedicated file")
Cc: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Cc: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
Cc: Mike Leach <mike.leach@xxxxxxxxxx>
Cc: Shaokun Zhang <zhangshaokun@xxxxxxxxxxxxx>
Signed-off-by: Jonathan Zhou <jonathan.zhouwen@xxxxxxxxxx>
Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20200916191737.4001561-9-mathieu.poirier@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
index b673e738bc9a8..a588cd6de01c7 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
@@ -206,7 +206,7 @@ static ssize_t reset_store(struct device *dev,
* each trace run.
*/
config->vinst_ctrl = BIT(0);
- if (drvdata->nr_addr_cmp == true) {
+ if (drvdata->nr_addr_cmp > 0) {
config->mode |= ETM_MODE_VIEWINST_STARTSTOP;
/* SSSTATUS, bit[9] */
config->vinst_ctrl |= BIT(9);
