Hi Greg,

Please find the updates for coresight/hwtracing subsystem targeting v6.15.

Kindly pull, Suzuki

The following changes since commit 0ad2507d5d93f39619fc42372c347d6006b64319:

Linux 6.14-rc3 (2025-02-16 14:02:44 -0800)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux.git tags/coresight-next-v6.15

for you to fetch changes up to 5442d22da7dbff3ba8c6720fc6f23ea4934d402d:

Coresight: Fix a NULL vs IS_ERR() bug in probe (2025-03-14 12:43:53 +0000)

---------------------------------------------------------------- coresight: updates for Linux v6.15

CoreSight self-hosted tracing driver subsystem update for Linux v6.15. The update includes: - CoreSight trace capture for Panic/Watchdog timeouts - Fixes to ETM4x driver to synchronize register reads as required by the TRM - Support for Qualcomm CoreSight TMC Control Unit driver - Conversion of device locks to raw_spinlock for components that are used by the Perf mode. - Miscellaneous fixes for the subsystem

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

---------------------------------------------------------------- Christophe JAILLET (1): coresight: configfs: Constify struct config_item_type

Dan Carpenter (1): Coresight: Fix a NULL vs IS_ERR() bug in probe

Ilkka Koskinen (1): coresight: catu: Fix number of pages while using 64k pages

James Clark (2): Coresight: Use coresight_etm_get_trace_id() in traceid_show() coresight: docs: Remove target sink from examples

Jie Gan (9): Coresight: Add support for new APB clock name Coresight: Add trace_id function to retrieving the trace ID Coresight: Introduce a new struct coresight_path Coresight: Allocate trace ID after building the path Coresight: Change to read the trace ID from coresight_path Coresight: Change functions to accept the coresight_path dt-bindings: arm: Add Coresight TMC Control Unit hardware Coresight: Add Coresight TMC Control Unit driver coresight: add verification process for coresight_etm_get_trace_id

Krzysztof Kozlowski (5): coresight: catu: Constify amba_id table coresight: tpda: Constify amba_id table coresight: tpdm: Constify amba_id table dt-bindings: coresight: qcom,coresight-tpda: Fix too many 'reg' dt-bindings: coresight: qcom,coresight-tpdm: Fix too many 'reg'

Linu Cherian (8): dt-bindings: arm: coresight-tmc: Add "memory-region" property coresight: tmc-etr: Add support to use reserved trace memory coresight: core: Add provision for panic callbacks coresight: tmc: Enable panic sync handling coresight: tmc: Add support for reading crash data coresight: tmc: Stop trace capture on FlIn coresight: config: Add preloaded configuration Documentation: coresight: Panic support

Mao Jinlong (1): coresight-tpdm: Add MCMB dataset support

Tao Zhang (2): coresight-tpdm: Add support to select lane coresight-tpdm: Add support to enable the lane for MCMB TPDM

Wolfram Sang (1): coresight: etm4x: don't include '<linux/pm_wakeup.h>' directly

Yeoreum Yun (9): coresight: change coresight_device lock type to raw_spinlock_t coresight-etm4x: change etmv4_drvdata spinlock type to raw_spinlock_t coresight: change coresight_trace_id_map's lock type to raw_spinlock_t coresight-cti: change cti_drvdata spinlock's type to raw_spinlock_t coresight-etb10: change etb_drvdata spinlock's type to raw_spinlock_t coresight-funnel: change funnel_drvdata spinlock's type to raw_spinlock_t coresight-replicator: change replicator_drvdata spinlock's type to raw_spinlock_t coresight-tmc: change tmc_drvdata spinlock's type to raw_spinlock_t coresight/ultrasoc: change smb_drv_data spinlock's type to raw_spinlock_t

Yuanfang Zhang (1): coresight-etm4x: add isb() before reading the TRCSTATR

.../ABI/testing/sysfs-bus-coresight-devices-tpdm | 15 + .../devicetree/bindings/arm/arm,coresight-tmc.yaml | 26 ++ .../bindings/arm/qcom,coresight-ctcu.yaml | 84 +++++ .../bindings/arm/qcom,coresight-tpda.yaml | 3 +- .../bindings/arm/qcom,coresight-tpdm.yaml | 3 +- Documentation/trace/coresight/coresight.rst | 41 +-- Documentation/trace/coresight/panic.rst | 362 +++++++++++++++++++++ Documentation/userspace-api/perf_ring_buffer.rst | 4 +- drivers/hwtracing/coresight/Kconfig | 12 + drivers/hwtracing/coresight/Makefile | 4 +- drivers/hwtracing/coresight/coresight-catu.c | 4 +- .../hwtracing/coresight/coresight-cfg-preload.c | 2 + .../hwtracing/coresight/coresight-cfg-preload.h | 2 + drivers/hwtracing/coresight/coresight-cfg-pstop.c | 83 +++++ drivers/hwtracing/coresight/coresight-config.c | 8 +- drivers/hwtracing/coresight/coresight-config.h | 2 +- drivers/hwtracing/coresight/coresight-core.c | 192 +++++++++-- drivers/hwtracing/coresight/coresight-ctcu-core.c | 326 +++++++++++++++++++ drivers/hwtracing/coresight/coresight-ctcu.h | 39 +++ drivers/hwtracing/coresight/coresight-cti-core.c | 44 +-- drivers/hwtracing/coresight/coresight-cti-sysfs.c | 76 ++--- drivers/hwtracing/coresight/coresight-cti.h | 2 +- drivers/hwtracing/coresight/coresight-dummy.c | 15 +- drivers/hwtracing/coresight/coresight-etb10.c | 26 +- drivers/hwtracing/coresight/coresight-etm-perf.c | 27 +- drivers/hwtracing/coresight/coresight-etm-perf.h | 2 +- drivers/hwtracing/coresight/coresight-etm.h | 1 - drivers/hwtracing/coresight/coresight-etm3x-core.c | 55 +--- .../hwtracing/coresight/coresight-etm3x-sysfs.c | 3 +- drivers/hwtracing/coresight/coresight-etm4x-core.c | 122 +++---- .../hwtracing/coresight/coresight-etm4x-sysfs.c | 254 +++++++-------- drivers/hwtracing/coresight/coresight-etm4x.h | 3 +- drivers/hwtracing/coresight/coresight-funnel.c | 12 +- drivers/hwtracing/coresight/coresight-priv.h | 14 +- drivers/hwtracing/coresight/coresight-replicator.c | 12 +- drivers/hwtracing/coresight/coresight-stm.c | 13 +- .../coresight/coresight-syscfg-configfs.c | 12 +- drivers/hwtracing/coresight/coresight-syscfg.c | 26 +- drivers/hwtracing/coresight/coresight-sysfs.c | 17 +- drivers/hwtracing/coresight/coresight-tmc-core.c | 327 ++++++++++++++++++- drivers/hwtracing/coresight/coresight-tmc-etf.c | 140 ++++++-- drivers/hwtracing/coresight/coresight-tmc-etr.c | 224 +++++++++++-- drivers/hwtracing/coresight/coresight-tmc.h | 106 +++++- drivers/hwtracing/coresight/coresight-tpda.c | 20 +- drivers/hwtracing/coresight/coresight-tpdm.c | 124 ++++++- drivers/hwtracing/coresight/coresight-tpdm.h | 33 +- drivers/hwtracing/coresight/coresight-trace-id.c | 22 +- drivers/hwtracing/coresight/ultrasoc-smb.c | 12 +- drivers/hwtracing/coresight/ultrasoc-smb.h | 2 +- include/linux/coresight.h | 47 ++- 50 files changed, 2452 insertions(+), 553 deletions(-) create mode 100644 Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.yaml create mode 100644 Documentation/trace/coresight/panic.rst create mode 100644 drivers/hwtracing/coresight/coresight-cfg-pstop.c create mode 100644 drivers/hwtracing/coresight/coresight-ctcu-core.c create mode 100644 drivers/hwtracing/coresight/coresight-ctcu.h