On Fri, Mar 24, 2023 at 02:16:08PM +0800, Hao Zhang wrote: > Add documentation for Coresight Dummy Trace under trace/coresight. > > Signed-off-by: Hao Zhang <quic_hazha@xxxxxxxxxxx> > --- > .../trace/coresight/coresight-dummy.rst | 58 +++++++++++++++++++ > 1 file changed, 58 insertions(+) > create mode 100644 Documentation/trace/coresight/coresight-dummy.rst > > diff --git a/Documentation/trace/coresight/coresight-dummy.rst b/Documentation/trace/coresight/coresight-dummy.rst > new file mode 100644 > index 000000000000..819cabab8623 > --- /dev/null > +++ b/Documentation/trace/coresight/coresight-dummy.rst > @@ -0,0 +1,58 @@ > +.. SPDX-License-Identifier: GPL-2.0 > + > +============================= > +Coresight Dummy Trace Module > +============================= > + > + :Author: Hao Zhang <quic_hazha@xxxxxxxxxxx> > + :Date: March 2023 > + > +Introduction > +--------------------------- > + > +Coresight Dummy Trace Module is for the specific devices that HLOS don't > +have permission to access or configure. Such as Coresight sink EUD, some > +TPDMs etc. So there need driver to register dummy devices as Coresight > +devices. Provide Coresight API for dummy device operations, such as > +enabling and disabling dummy devices. Build the Coresight path for dummy > +sink or dummy source for debugging. > + > +Sysfs files and directories > +--------------------------- > + > +Root: ``/sys/bus/coresight/devices/dummy<N>`` sysfs files are documented in Documentation/ABI/ not in random .rst files, sorry. Please use the correct format described there, not a random one like this :) thanks, greg k-h
