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-rw-r--r--Documentation/ABI/testing/sysfs-class-mtd10
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-mtd b/Documentation/ABI/testing/sysfs-class-mtd
index 76ee192f80a0..3b5c3bca9186 100644
--- a/Documentation/ABI/testing/sysfs-class-mtd
+++ b/Documentation/ABI/testing/sysfs-class-mtd
@@ -222,3 +222,13 @@ Description:
The number of blocks that are marked as reserved, if any, in
this partition. These are typically used to store the in-flash
bad block table (BBT).
+
+What: /sys/class/mtd/mtdX/offset
+Date: March 2015
+KernelVersion: 4.1
+Contact: linux-mtd@lists.infradead.org
+Description:
+ For a partition, the offset of that partition from the start
+ of the master device in bytes. This attribute is absent on
+ main devices, so it can be used to distinguish between
+ partitions and devices that aren't partitions.