linux-kernel - [PATCH] char/bsr: add sysfs interface documentation

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Date:   Thu, 1 Mar 2018 23:55:59 +0530
From:   Aishwarya Pant <aishpant@...il.com>
To:     Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org,
        Jonathan Corbet <corbet@....net>
Cc:     Julia Lawall <julia.lawall@...6.fr>, linux-doc@...r.kernel.org
Subject: [PATCH] char/bsr: add sysfs interface documentation

Descriptions have collected from code comments and by reading through
code.

Signed-off-by: Aishwarya Pant <aishpant@...il.com>
---
 Documentation/ABI/testing/sysfs-class-bsr | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-class-bsr

diff --git a/Documentation/ABI/testing/sysfs-class-bsr b/Documentation/ABI/testing/sysfs-class-bsr
new file mode 100644
index 000000000000..7bf145d32cbc
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-bsr
@@ -0,0 +1,25 @@
+What:		/sys/class/bsr/bsr*/bsr_size
+Date:		Jul, 2008
+KernelVersion:	2.6.27
+Contact:	Arnd Bergmann <arnd@...db.de>,
+		Greg Kroah-Hartman <gregkh@...uxfoundation.org>
+Description:
+		(RO) Size of the barrier-synchronization register (BSR)
+		register in bytes.
+
+What:		/sys/class/bsr/bsr*/bsr_length
+Date:		Jul, 2008
+KernelVersion:	2.6.27
+Contact:	Arnd Bergmann <arnd@...db.de>,
+		Greg Kroah-Hartman <gregkh@...uxfoundation.org>
+Description:
+		(RO) The length of memory region that can be mapped in bytes.
+
+What:		/sys/class/bsr/bsr*/bsr_stride
+Date:		Jul, 2008
+KernelVersion:	2.6.27
+Contact:	Arnd Bergmann <arnd@...db.de>,
+		Greg Kroah-Hartman <gregkh@...uxfoundation.org>
+Description:
+		(RO) The stride or the interval at which the allocated BSR bytes
+		repeat within the mapping.
-- 
2.16.2