[PATCHv7,3/3] Documentation: ABI: Add i2c-slave-mqueue sysfs documentation
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Message ID 20190605164651.15991-4-eduval@amazon.com
State Under Review
Headers show
Series
  • [PATCHv7,1/3] dt-bindings: i2c: document bindings for i2c-slave-mqueue
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Commit Message

Eduardo Valentin June 5, 2019, 4:46 p.m. UTC
Document the slave-mqueue sysfs attribute used by
the i2c-slave-mqueue driver.

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-i2c@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <eduval@amazon.com>
---

changes from V6 to V7:
- none

 .../ABI/testing/sysfs-bus-i2c-devices-slave-mqueue     | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-bus-i2c-devices-slave-mqueue

Patch
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diff --git a/Documentation/ABI/testing/sysfs-bus-i2c-devices-slave-mqueue b/Documentation/ABI/testing/sysfs-bus-i2c-devices-slave-mqueue
new file mode 100644
index 000000000000..28318108ce85
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-i2c-devices-slave-mqueue
@@ -0,0 +1,10 @@ 
+What:		/sys/bus/i2c/devices/*/slave-mqueue
+Date:		May 2019
+KernelVersion:	5.2
+Contact:	Eduardo Valentin <eduval@amazon.com>
+Description:
+		Reading to this file will return exactly one message,
+		when available, of the i2c-slave-mqueue device attached
+		to that bus. Userspace can also poll on this file to
+		get notified when new messages are available.
+Users:		i2c-slave-mqueue driver