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intel_th: Update ABI documentation

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Commit a753bfcfdb ("intel_th: Make the switch allocate its subdevices")
changed the behavior so that the output port devices are created only for
the ports reported by the hardware and their initial state is "unassigned"
until a corresponding output port driver is loaded. Reflect this fact in
the ABI documentation.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reported-by: Ricardo Neri <ricardo.neri@intel.com>
This commit is contained in:
Alexander Shishkin 2018-11-12 13:05:22 +02:00
parent bfeffd1552
commit 1b948134c0
1 changed files with 4 additions and 2 deletions
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6
Documentation/ABI/testing/sysfs-bus-intel_th-output-devices
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@ -3,11 +3,13 @@ Date: June 2015
KernelVersion: 4.3
Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Description: (RW) Writes of 1 or 0 enable or disable trace output to this
output device. Reads return current status.
output device. Reads return current status. Requires that the
correstponding output port driver be loaded.
What: /sys/bus/intel_th/devices/<intel_th_id>-msc<msc-id>/port
Date: June 2015
KernelVersion: 4.3
Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Description: (RO) Port number, corresponding to this output device on the
switch (GTH).
switch (GTH) or "unassigned" if the corresponding output
port driver is not loaded.