Hi Greg

Please find the updates for coresight self hosted tracing subsystem targeting Linux v7.4. Apologies for the delay!

Kindly pull.

Suzuki

The following changes since commit df2908090cda368b01ff43709f51890076c56157:

Linux 7.3-rc2 (2026-09-06 15:07:20 -0700)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux.git tags/coresight-next-v7.4

for you to fetch changes up to 343cfcbb3ecfdb80aa576a428cfa3b65ad783842:

coresight: tnoc: Constify amba_id table (2026-10-09 11:32:08 +0100)

---------------------------------------------------------------- coresight: updates for Linux v7.4

CoreSight selfhosted tracing subsystem updates for Linux v7.4, includes: - Separating the ETM configurations for sysfs and perf to avoid corrupting each other while in use - Hide sysfs control for TRBE as it is not supported - Constify Amba device table for tnoc

Signed-off-by: Suzuki K Poulose suzuki.poulose@arm.com

---------------------------------------------------------------- James Clark (1): coresight: trbe: Hide enable_sink sysfs file

Krzysztof Kozlowski (1): coresight: tnoc: Constify amba_id table

Yeoreum Yun (14): coresight: etm4x: Prohibit TRCSEQSTR modifications while tracing enabled coresight: etm4x: prohibit modifying cntr_val while session is enabled coresight: etm3x: Prohibit modifying cntr_val while session is enabled coresight: etm4x: fix inconsistencies with sysfs configuration coresight: etm3x: fix inconsistencies with sysfs configuration coresight: etm3x: remove redundant cpu online check on etm_enable_sysfs() coresight: etm4x: introduce struct etm4_caps coresight: etm4x: exclude ss_status from drvdata->config coresight: etm4x: remove s_ex_level from config coresight: etm4x: rename local config as curr_config referring drvdata->curr_config coresight: etm4x: rename drvdata->config to sysfs_config coresight: etm3x: introduce struct etm_caps coresight: etm3x: rename local config as curr_config referring drvdata->curr_config coresight: etm3x: rename drvdata->config to sysfs_config

drivers/hwtracing/coresight/coresight-config.c | 18 +- drivers/hwtracing/coresight/coresight-config.h | 22 + drivers/hwtracing/coresight/coresight-core.c | 1 + drivers/hwtracing/coresight/coresight-etm.h | 48 +- drivers/hwtracing/coresight/coresight-etm3x-core.c | 196 +++-- .../hwtracing/coresight/coresight-etm3x-sysfs.c | 461 +++++----- drivers/hwtracing/coresight/coresight-etm4x-cfg.c | 14 +- drivers/hwtracing/coresight/coresight-etm4x-core.c | 561 ++++++------ .../hwtracing/coresight/coresight-etm4x-sysfs.c | 961 +++++++++++---------- drivers/hwtracing/coresight/coresight-etm4x.h | 199 +++-- drivers/hwtracing/coresight/coresight-sysfs.c | 15 +- drivers/hwtracing/coresight/coresight-tnoc.c | 2 +- drivers/hwtracing/coresight/coresight-trbe.c | 7 + include/linux/coresight.h | 4 + 14 files changed, 1359 insertions(+), 1150 deletions(-)