linux-kernel - [GIT PULL v1 1/7] intel_th: Update ABI documentation

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Message-Id: <20190221155006.76832-2-alexander.shishkin@linux.intel.com>
Date:   Thu, 21 Feb 2019 17:50:00 +0200
From:   Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Mathieu Poirier <mathieu.poirier@...aro.org>,
        linux-kernel@...r.kernel.org,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Ricardo Neri <ricardo.neri@...el.com>
Subject: [GIT PULL v1 1/7] intel_th: Update ABI documentation

Commit a753bfcfdb1f3 ("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@...ux.intel.com>
Reported-by: Ricardo Neri <ricardo.neri@...el.com>
---
 Documentation/ABI/testing/sysfs-bus-intel_th-output-devices | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Documentation/ABI/testing/sysfs-bus-intel_th-output-devices b/Documentation/ABI/testing/sysfs-bus-intel_th-output-devices
index 4d48a9451866..d1f667104944 100644
--- a/Documentation/ABI/testing/sysfs-bus-intel_th-output-devices
+++ b/Documentation/ABI/testing/sysfs-bus-intel_th-output-devices
@@ -3,11 +3,13 @@ Date:		June 2015
 KernelVersion:	4.3
 Contact:	Alexander Shishkin <alexander.shishkin@...ux.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@...ux.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.
-- 
2.20.1