Introduce the new subtype of "CORESIGHT_DEV_SUBTYPE_SOURCE_TPDM"
for TPDM components in driver.
Signed-off-by: Tao Zhang <quic_taozha@xxxxxxxxxxx>
---
drivers/hwtracing/coresight/coresight-core.c | 3 +++
drivers/hwtracing/coresight/coresight-tpdm.c | 2 +-
include/linux/coresight.h | 1 +
3 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c
index 9fabe00a40d6..d7f0e231feb9 100644
--- a/drivers/hwtracing/coresight/coresight-core.c
+++ b/drivers/hwtracing/coresight/coresight-core.c
@@ -1093,6 +1093,7 @@ static int coresight_validate_source(struct coresight_device *csdev,
if (subtype != CORESIGHT_DEV_SUBTYPE_SOURCE_PROC &&
subtype != CORESIGHT_DEV_SUBTYPE_SOURCE_SOFTWARE &&
+ subtype != CORESIGHT_DEV_SUBTYPE_SOURCE_TPDM &&
subtype != CORESIGHT_DEV_SUBTYPE_SOURCE_OTHERS) {
dev_err(&csdev->dev, "wrong device subtype in %s\n", function);
return -EINVAL;
@@ -1162,6 +1163,7 @@ int coresight_enable(struct coresight_device *csdev)
per_cpu(tracer_path, cpu) = path;
break;
case CORESIGHT_DEV_SUBTYPE_SOURCE_SOFTWARE:
+ case CORESIGHT_DEV_SUBTYPE_SOURCE_TPDM:
case CORESIGHT_DEV_SUBTYPE_SOURCE_OTHERS:
/*
* Use the hash of source's device name as ID
@@ -1212,6 +1214,7 @@ void coresight_disable(struct coresight_device *csdev)
per_cpu(tracer_path, cpu) = NULL;
break;
case CORESIGHT_DEV_SUBTYPE_SOURCE_SOFTWARE:
+ case CORESIGHT_DEV_SUBTYPE_SOURCE_TPDM:
case CORESIGHT_DEV_SUBTYPE_SOURCE_OTHERS:
hash = hashlen_hash(hashlen_string(NULL, dev_name(&csdev->dev)));
/* Find the path by the hash. */
diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c b/drivers/hwtracing/coresight/coresight-tpdm.c
index b6456120b76a..abaff0b934db 100644
--- a/drivers/hwtracing/coresight/coresight-tpdm.c
+++ b/drivers/hwtracing/coresight/coresight-tpdm.c
@@ -203,7 +203,7 @@ static int tpdm_probe(struct amba_device *adev, const struct amba_id *id)
if (!desc.name)
return -ENOMEM;
desc.type = CORESIGHT_DEV_TYPE_SOURCE;
- desc.subtype.source_subtype = CORESIGHT_DEV_SUBTYPE_SOURCE_OTHERS;
+ desc.subtype.source_subtype = CORESIGHT_DEV_SUBTYPE_SOURCE_TPDM;
desc.ops = &tpdm_cs_ops;
desc.pdata = adev->dev.platform_data;
desc.dev = &adev->dev;
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index a269fffaf991..a4cb7dd6ca23 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -64,6 +64,7 @@ enum coresight_dev_subtype_source {
CORESIGHT_DEV_SUBTYPE_SOURCE_PROC,
CORESIGHT_DEV_SUBTYPE_SOURCE_BUS,
CORESIGHT_DEV_SUBTYPE_SOURCE_SOFTWARE,
+ CORESIGHT_DEV_SUBTYPE_SOURCE_TPDM,
CORESIGHT_DEV_SUBTYPE_SOURCE_OTHERS,
};
--
2.17.1
