clear-pkgs-linux-iot-lts2018/0018-rpmb-add-sysfs-class-A...

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Tomas Winkler <tomas.winkler@intel.com>
Date: Sun, 13 Mar 2016 13:36:52 +0200
Subject: [PATCH] rpmb: add sysfs-class ABI documentation
V2: resend
V3: add more verbose description
V4: resend
V5: adjust date and kernel version
V6: adjust date and kernel version
V7: adjust date and kernel version
V8: adjust date and kernel version
V9: adjust date and kernel version
Change-Id: I2d71ca467e5960ca93c904e92cfcf69591a3de59
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
---
Documentation/ABI/testing/sysfs-class-rpmb | 20 ++++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 21 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-class-rpmb
diff --git a/Documentation/ABI/testing/sysfs-class-rpmb b/Documentation/ABI/testing/sysfs-class-rpmb
new file mode 100644
index 000000000000..a9d45aa77f77
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-rpmb
@@ -0,0 +1,20 @@
+What: /sys/class/rpmb/
+Date: Jul 2018
+KernelVersion: 4.18
+Contact: Tomas Winkler <tomas.winkler@intel.com>
+Description:
+ The rpmb/ class sub-directory belongs to RPMB device class.
+
+ Few storage technologies such is EMMC, UFS, and NVMe support
+ Replay Protected Memory Block (RPMB) hardware partition with
+ common protocol and similar frame layout.
+ Such a partition provides authenticated and replay protected access,
+ hence suitable as a secure storage.
+
+What: /sys/class/rpmb/rpmbN/
+Date: Jul 2018
+KernelVersion: 4.18
+Contact: Tomas Winkler <tomas.winkler@intel.com>
+Description:
+ The /sys/class/rpmb/rpmbN directory is created for
+ each RPMB registered device.
diff --git a/MAINTAINERS b/MAINTAINERS
index 99151984b46c..c48553a07ce6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12548,6 +12548,7 @@ L: linux-kernel@vger.kernel.org
S: Supported
F: drivers/char/rpmb/*
F: include/linux/rpmb.h
+F: Documentation/ABI/testing/sysfs-class-rpmb
RTL2830 MEDIA DRIVER
M: Antti Palosaari <crope@iki.fi>
--
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