On Thu, Sep 20, 2018 at 03:45:37PM +0300, Alexander Shishkin wrote: > Hi, > > These are patches I have queued so far, that I'm planning to send to > Greg for the next merge window. This is mainly support for MIPI SyS-T > protocol and all the infrastructure changes to make it possible. > > MIPI SyS-T is a public standard [0] for a software-level trace protocol > that in this instance we use on top of STM devices (if we choose to) and > MIPI STP protocol. > > The old "protocol" is preserved for compatibility.
I have tested this set on my side and things work as advertised. Since I do not have a MIPI SyS-T decoder I can't validate the output, but the mechanic behind the functionality is simple and trivial to use. I think you have succeeded in introducing something that could have otherwise been messy. Tested-by: Mathieu Poirier <[email protected]> > > [0] http://www.mipi.org/specifications/sys-t > > Alexander Shishkin (16): > stm class: Rework policy node fallback > stm class: Clarify configfs root type/operations names > stm class: Clean up stp_configfs_init > stm class: Introduce framing protocol drivers > stm class: Add a helper for writing data packets > stm class: Factor out default framing protocol > stm class: Switch over to the protocol driver > stm class: Add MIPI SyS-T protocol support > stm class: p_sys-t: Add support for CLOCKSYNC packets > stm class: p_sys-t: Document the configfs interface > stm class: Document the MIPI SyS-T protocol usage > intel_th: SPDX-ify the documentation > stm class: SPDX-ify the documentation > stm class: heartbeat: Fix whitespace > lib: Add memcat_p(): paste 2 pointer arrays together > stm class: Use memcat_p() > > .../ABI/testing/configfs-stp-policy-p_sys-t | 41 ++ > Documentation/trace/intel_th.rst | 2 + > Documentation/trace/stm.rst | 2 + > Documentation/trace/sys-t.rst | 62 +++ > drivers/hwtracing/stm/Kconfig | 29 ++ > drivers/hwtracing/stm/Makefile | 6 + > drivers/hwtracing/stm/core.c | 292 +++++++++++--- > drivers/hwtracing/stm/heartbeat.c | 2 +- > drivers/hwtracing/stm/p_basic.c | 47 +++ > drivers/hwtracing/stm/p_sys-t.c | 381 ++++++++++++++++++ > drivers/hwtracing/stm/policy.c | 148 +++++-- > drivers/hwtracing/stm/stm.h | 57 ++- > include/linux/string.h | 7 + > lib/Kconfig.debug | 8 + > lib/Makefile | 1 + > lib/string.c | 31 ++ > lib/test_memcat_p.c | 115 ++++++ > 17 files changed, 1138 insertions(+), 93 deletions(-) > create mode 100644 Documentation/ABI/testing/configfs-stp-policy-p_sys-t > create mode 100644 Documentation/trace/sys-t.rst > create mode 100644 drivers/hwtracing/stm/p_basic.c > create mode 100644 drivers/hwtracing/stm/p_sys-t.c > create mode 100644 lib/test_memcat_p.c > > -- > 2.18.0 >
