diff options
author | James Clark <james.clark@linaro.org> | 2025-03-03 11:29:24 +0800 |
---|---|---|
committer | Suzuki K Poulose <suzuki.poulose@arm.com> | 2025-03-04 14:48:52 +0000 |
commit | 182e8c70791d68d332b33d5c6e849628f89cdf0d (patch) | |
tree | 3591c819d3dd0c37cf839eb74aad39960a34f5e6 | |
parent | c367a89dec267c65b556ace5d6aafd07fb1d66b1 (diff) |
Coresight: Use coresight_etm_get_trace_id() in traceid_show()
Use the new API, coresight_etm_get_trace_id, to read the traceid of the ETM
device when call traceid_show via sysfs node.
Signed-off-by: James Clark <james.clark@linaro.org>
Reviewed-by: James Clark <james.clark@linaro.org>
Signed-off-by: Jie Gan <quic_jiegan@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20250303032931.2500935-4-quic_jiegan@quicinc.com
-rw-r--r-- | drivers/hwtracing/coresight/coresight-etm3x-sysfs.c | 3 | ||||
-rw-r--r-- | drivers/hwtracing/coresight/coresight-etm4x-sysfs.c | 4 |
2 files changed, 3 insertions, 4 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c index 68c644be9813..b9006451f515 100644 --- a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c +++ b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c @@ -1190,10 +1190,9 @@ static DEVICE_ATTR_RO(cpu); static ssize_t traceid_show(struct device *dev, struct device_attribute *attr, char *buf) { - int trace_id; struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); + int trace_id = coresight_etm_get_trace_id(drvdata->csdev, CS_MODE_SYSFS, NULL); - trace_id = etm_read_alloc_trace_id(drvdata); if (trace_id < 0) return trace_id; diff --git a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c index c767f8ae4cf1..e5216c0f60da 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c @@ -4,6 +4,7 @@ * Author: Mathieu Poirier <mathieu.poirier@linaro.org> */ +#include <linux/coresight.h> #include <linux/pid_namespace.h> #include <linux/pm_runtime.h> #include <linux/sysfs.h> @@ -2402,10 +2403,9 @@ static ssize_t trctraceid_show(struct device *dev, struct device_attribute *attr, char *buf) { - int trace_id; struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent); + int trace_id = coresight_etm_get_trace_id(drvdata->csdev, CS_MODE_SYSFS, NULL); - trace_id = etm4_read_alloc_trace_id(drvdata); if (trace_id < 0) return trace_id; |