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| author | Mao Jinlong <quic_jinlmao@quicinc.com> | 2023-01-17 17:57:01 +0300 |
|---|---|---|
| committer | Suzuki K Poulose <suzuki.poulose@arm.com> | 2023-01-20 14:38:15 +0300 |
| commit | b3c71626a9333b0b29f9921a39cef30b5961766f (patch) | |
| tree | f46ad3cd6c9cb39d1f3ea49e04c612024375698a /drivers/hwtracing/coresight/coresight-core.c | |
| parent | 5c0016d7b343e453e38752ca58bc18394ece310a (diff) | |
| download | linux-b3c71626a9333b0b29f9921a39cef30b5961766f.tar.xz | |
Coresight: Add coresight TPDM source driver
Add driver to support Coresight device TPDM (Trace, Profiling and
Diagnostics Monitor). TPDM is a monitor to collect data from
different datasets. This change is to add probe/enable/disable
functions for tpdm source.
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20230120095301.30792-1-quic_jinlmao@quicinc.com
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-core.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-core.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c index 5eb013f49a0d..a798008ac56e 100644 --- a/drivers/hwtracing/coresight/coresight-core.c +++ b/drivers/hwtracing/coresight/coresight-core.c @@ -1061,7 +1061,8 @@ 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_SOFTWARE && + subtype != CORESIGHT_DEV_SUBTYPE_SOURCE_OTHERS) { dev_err(&csdev->dev, "wrong device subtype in %s\n", function); return -EINVAL; } @@ -1130,6 +1131,7 @@ 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_OTHERS: /* * Use the hash of source's device name as ID * and map the ID to the pointer of the path. @@ -1179,6 +1181,7 @@ 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_OTHERS: hash = hashlen_hash(hashlen_string(NULL, dev_name(&csdev->dev))); /* Find the path by the hash. */ path = idr_find(&path_idr, hash); |