Review of ETMV4 sysfs code resulted in a number of minor issues being discovered.
Patch set fixes these issues:- 1) Update for ETM v4.4 archtecture. 2) Add missing single shot comparator API. 3) Misc fixes and improvements to sysfs API 4) Updated programmers documentation and reference.
Changes since v1 (from reviews by Mathieu and Leo):- Usability patch split into 2 separate functional patches. Docs patch split into 3 patches. Misc style and comment typo fixes.
Mike Leach (11): coresight: etm4x: Fixes for ETM v4.4 architecture updates. coresight: etm4x: Fix input validation for sysfs. coresight: etm4x: Add missing API to set EL match on address filters coresight: etm4x: Fix issues with start-stop logic. coresight: etm4x: Improve usability of sysfs - include/exclude addr. coresight: etm4x: Improve usability of sysfs - CID and VMID masks. coresight: etm4x: Add view comparator settings API to sysfs. coresight: etm4x: Add missing single-shot control API to sysfs coresight: etm4x: docs: Update ABI doc for sysfs features added. coresight: docs: Create common sub-directory for coresight trace. coresight: etm4x: docs: Adds detailed document for programming etm4x.
.../testing/sysfs-bus-coresight-devices-etm4x | 183 ++++--- .../{ => coresight}/coresight-cpu-debug.txt | 0 .../coresight/coresight-etm4x-reference.txt | 458 ++++++++++++++++++ .../trace/{ => coresight}/coresight.txt | 0 MAINTAINERS | 3 +- .../coresight/coresight-etm4x-sysfs.c | 312 +++++++++++- drivers/hwtracing/coresight/coresight-etm4x.c | 32 +- drivers/hwtracing/coresight/coresight-etm4x.h | 18 +- 8 files changed, 905 insertions(+), 101 deletions(-) rename Documentation/trace/{ => coresight}/coresight-cpu-debug.txt (100%) create mode 100644 Documentation/trace/coresight/coresight-etm4x-reference.txt rename Documentation/trace/{ => coresight}/coresight.txt (100%)