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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-04-09 09:21:13 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-04-09 09:21:13 +0200 |
| commit | 1c0220a61508d67a09a6e71eb09593a8aea61822 (patch) | |
| tree | 8207d2e0720444ec020754955dd0295f5e789e26 /Documentation/ABI/testing | |
| parent | 0990a71f678aa0f045f2c126b39b6b581844d3b0 (diff) | |
| parent | 971f3474f8898ae8bbab19a9b547819a5e6fbcf1 (diff) | |
| download | lwn-1c0220a61508d67a09a6e71eb09593a8aea61822.tar.gz lwn-1c0220a61508d67a09a6e71eb09593a8aea61822.zip | |
Merge tag 'coresight-next-v7.1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/coresight/linux into char-misc-next
Suzuki writes:
coresight: Updates for Linux v7.1
CoreSight self hosted tracing subsystem updates for Linux v7.1, includes:
- Fix unregistration related issues
- Clean up CTI power management and sysfs code
- Miscellaneous fixes
- MAINTAINERS: Add Leo Yan as Reviewer
- MAINTAINERS: Update Mike's email address
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
* tag 'coresight-next-v7.1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/coresight/linux: (25 commits)
coresight: tpdm: fix invalid MMIO access issue
coresight: tpdm: add traceid_show for checking traceid
coresight: platform: check the availability of the endpoint before parse
coresight: cti: fix the check condition in inout_sel_store
MAINTAINERS: coresight: Add Leo Yan as Reviewer
coresight: cti: Properly handle negative offsets in cti_reg32_{show|store}()
coresight: cti: Remove hw_enabled flag
coresight: cti: Remove hw_powered flag
coresight: cti: Rename cti_active() to cti_is_active()
coresight: cti: Remove CPU power management code
coresight: cti: Access ASICCTL only when implemented
coresight: cti: Fix register reads
coresight: cti: Make spinlock usage consistent
drivers/hwtracing/coresight: remove unneeded variable in tmc_crashdata_release()
MAINTAINERS: Change e-mail address for reviewer
coresight: ctcu: fix the spin_bug
coresight: Unify bus unregistration via coresight_unregister()
coresight: Do not mix success path with failure handling
coresight: Move sink validation into etm_perf_add_symlink_sink()
coresight: Refactor sysfs connection group cleanup
...
Diffstat (limited to 'Documentation/ABI/testing')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm index f8016df64532..bc36ba32c900 100644 --- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm @@ -278,3 +278,13 @@ Date: Aug 2025 KernelVersion 6.18 Contact: Mao Jinlong <quic_jinlmao@quicinc.com> Description: (Read) Show hardware context information of device. + +What: /sys/bus/coresight/devices/<tpdm-name>/traceid +Date: March 2026 +KernelVersion: 7.1 +Contact: Jie Gan <jie.gan@oss.qualcomm.com> +Description: + (R) Show the trace ID that will appear in the trace stream + coming from this TPDM. The trace ID is inherited from the + connected TPDA device and is fixed for the lifetime of the + device. Returns -EINVAL if the device has not been enabled yet. |