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| author |   Hao Zhang <quic_hazha@quicinc.com> | 2023-06-02 16:41:47 +0800 |
|---|---|---|
| committer |   Suzuki K Poulose <suzuki.poulose@arm.com> | 2023-06-15 08:50:23 +0100 |
| commit | 9d3ba0b6c056918355cf36094d6ed63cdd01a2ab (patch) | |
| tree | f102b2b507ee71e7e804d08eca9b389aa800b2f3 /include/linux/coresight.h | |
| parent | MAINTAINERS: coresight: Add James Clark as Reviewer (diff) | |
| download | wireguard-linux-9d3ba0b6c056918355cf36094d6ed63cdd01a2ab.tar.xz wireguard-linux-9d3ba0b6c056918355cf36094d6ed63cdd01a2ab.zip | |
Coresight: Add coresight dummy driver
Some Coresight devices that kernel don't have permission to access or
configure. For these devices, a dummy driver is needed to register them as
Coresight devices. The module may also be used to define components that
may not have any programming interfaces, so that paths can be created
in the driver. It provides Coresight API for operations on dummy devices,
such as enabling and disabling them. It also provides the Coresight dummy
sink/source paths for debugging.
Signed-off-by: Hao Zhang <quic_hazha@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20230602084149.40031-2-quic_hazha@quicinc.com
Diffstat (limited to 'include/linux/coresight.h')
| -rw-r--r-- | include/linux/coresight.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/coresight.h b/include/linux/coresight.h index 949aa24f46bd..bf70987240e4 100644 --- a/include/linux/coresight.h +++ b/include/linux/coresight.h @@ -45,6 +45,7 @@ enum coresight_dev_type { }; enum coresight_dev_subtype_sink { + CORESIGHT_DEV_SUBTYPE_SINK_DUMMY, CORESIGHT_DEV_SUBTYPE_SINK_PORT, CORESIGHT_DEV_SUBTYPE_SINK_BUFFER, CORESIGHT_DEV_SUBTYPE_SINK_SYSMEM, |