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[PATCH V2 4/6] Documentations: Add explanations of the case for non-configurable masters

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For some STM hardware (e.g. ARM CoreSight STM), the masterID associated
to a source is set at the hardware level and not user configurable.
Since the masterID information isn't available to SW, introducing
a new value of -1 to reflect this reality.

Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
---
 Documentation/trace/stm.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/trace/stm.txt b/Documentation/trace/stm.txt
index ea035f9..f03bc2b 100644
--- a/Documentation/trace/stm.txt
+++ b/Documentation/trace/stm.txt
@@ -47,6 +47,12 @@ through 127 in it. Now, any producer (trace source) identifying itself
 with "user" identification string will be allocated a master and
 channel from within these ranges.
 
+$ cat /config/stp-policy/dummy_stm.my-policy/user/masters
+-1 -1
+
+Would indicate the masters for this rule are set in hardware and
+not configurable in user space.
+
 These rules can be nested, for example, one can define a rule "dummy"
 under "user" directory from the example above and this new rule will
 be used for trace sources with the id string of "user/dummy".
-- 
1.9.1

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[PATCH V2 0/6] Introduce CoreSight STM support Chunyan Zhang <zhang.chunyan@linaro.org> - 2016-02-03 09:20 +0100
  [PATCH V2 5/6] coresight-stm: Bindings for System Trace Macrocell Chunyan Zhang <zhang.chunyan@linaro.org> - 2016-02-03 09:20 +0100
  [PATCH V2 4/6] Documentations: Add explanations of the case for non-configurable masters Chunyan Zhang <zhang.chunyan@linaro.org> - 2016-02-03 09:20 +0100
  [PATCH V2 3/6] stm class: provision for statically assigned masterIDs Chunyan Zhang <zhang.chunyan@linaro.org> - 2016-02-03 09:20 +0100
    Re: [PATCH V2 3/6] stm class: provision for statically assigned masterIDs Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 14:00 +0100
      RE: [PATCH V2 3/6] stm class: provision for statically assigned  masterIDs Mike Leach <Mike.Leach@arm.com> - 2016-02-05 17:40 +0100
        RE: [PATCH V2 3/6] stm class: provision for statically assigned masterIDs Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-08 12:00 +0100
      Re: [PATCH V2 3/6] stm class: provision for statically assigned masterIDs Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-02-05 19:10 +0100
        Re: [PATCH V2 3/6] stm class: provision for statically assigned masterIDs Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-08 14:30 +0100
          Re: [PATCH V2 3/6] stm class: provision for statically assigned masterIDs Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-02-08 18:10 +0100
            RE: [PATCH V2 3/6] stm class: provision for statically assigned  masterIDs Al Grant <Al.Grant@arm.com> - 2016-02-08 18:50 +0100
  [PATCH V2 1/6] stm class: Add ioctl get_options interface Chunyan Zhang <zhang.chunyan@linaro.org> - 2016-02-03 09:20 +0100
    Re: [PATCH V2 1/6] stm class: Add ioctl get_options interface Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 14:00 +0100
  [PATCH V2 6/6] coresight-stm: adding driver for CoreSight STM component Chunyan Zhang <zhang.chunyan@linaro.org> - 2016-02-03 09:20 +0100
    Re: [PATCH V2 6/6] coresight-stm: adding driver for CoreSight STM component Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 14:10 +0100
      Re: [PATCH V2 6/6] coresight-stm: adding driver for CoreSight STM component Arnd Bergmann <arnd@arndb.de> - 2016-02-05 15:40 +0100

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