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authorTao Zhang <quic_taozha@quicinc.com>2023-09-28 09:29:36 +0300
committerSuzuki K Poulose <suzuki.poulose@arm.com>2023-11-16 14:35:20 +0300
commitf7f965c982f7954b46db910146a7ffe0fe1eb5e1 (patch)
tree6e1d843f98c3393234ac2d4b22bfc3dbd8a363de /drivers/hwtracing
parent2a8d9b371566e798421ef877c5757e2c4a11ad6f (diff)
downloadlinux-f7f965c982f7954b46db910146a7ffe0fe1eb5e1.tar.xz
coresight-tpdm: Introduce TPDM subtype to TPDM driver
Introduce the new subtype of "CORESIGHT_DEV_SUBTYPE_SOURCE_TPDM" for TPDM components in driver. Signed-off-by: Tao Zhang <quic_taozha@quicinc.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Link: https://lore.kernel.org/r/1695882586-10306-4-git-send-email-quic_taozha@quicinc.com
Diffstat (limited to 'drivers/hwtracing')
-rw-r--r--drivers/hwtracing/coresight/coresight-core.c3
-rw-r--r--drivers/hwtracing/coresight/coresight-tpdm.c2
2 files changed, 4 insertions, 1 deletions
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;