[PATCH 08/16] coresight: etm4x: Fix issues within reset interface of sysfs

Mathieu Poirier mathieu.poirier at linaro.org
Wed Sep 16 15:17:29 EDT 2020


From: Jonathan Zhou <jonathan.zhouwen at huawei.com>

The member @nr_addr_cmp is not a bool value, using operator '>'
instead to avoid unexpected failure.

Cc: Mathieu Poirier <mathieu.poirier at linaro.org>
Cc: Suzuki K Poulose <suzuki.poulose at arm.com>
Cc: Mike Leach <mike.leach at linaro.org>
Cc: Shaokun Zhang <zhangshaokun at hisilicon.com>
Cc: lizixian at hisilicon.com
Fixes: a77de2637c9e ("coresight: etm4x: moving sysFS entries to a dedicated file")
Signed-off-by: Jonathan Zhou <jonathan.zhouwen at huawei.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier at linaro.org>
---
 drivers/hwtracing/coresight/coresight-etm4x-sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
index b673e738bc9a..a588cd6de01c 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);
-- 
2.25.1




More information about the linux-arm-kernel mailing list