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-rw-r--r--Documentation/ABI/testing/sysfs-class-mtd38
-rw-r--r--Documentation/devicetree/bindings/mtd/gpmi-nand.txt10
2 files changed, 48 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-mtd b/Documentation/ABI/testing/sysfs-class-mtd
index 1399bb2da3eb..76ee192f80a0 100644
--- a/Documentation/ABI/testing/sysfs-class-mtd
+++ b/Documentation/ABI/testing/sysfs-class-mtd
@@ -184,3 +184,41 @@ Description:
It will always be a non-negative integer. In the case of
devices lacking any ECC capability, it is 0.
+
+What: /sys/class/mtd/mtdX/ecc_failures
+Date: June 2014
+KernelVersion: 3.17
+Contact: linux-mtd@lists.infradead.org
+Description:
+ The number of failures reported by this device's ECC. Typically,
+ these failures are associated with failed read operations.
+
+ It will always be a non-negative integer. In the case of
+ devices lacking any ECC capability, it is 0.
+
+What: /sys/class/mtd/mtdX/corrected_bits
+Date: June 2014
+KernelVersion: 3.17
+Contact: linux-mtd@lists.infradead.org
+Description:
+ The number of bits that have been corrected by means of the
+ device's ECC.
+
+ It will always be a non-negative integer. In the case of
+ devices lacking any ECC capability, it is 0.
+
+What: /sys/class/mtd/mtdX/bad_blocks
+Date: June 2014
+KernelVersion: 3.17
+Contact: linux-mtd@lists.infradead.org
+Description:
+ The number of blocks marked as bad, if any, in this partition.
+
+What: /sys/class/mtd/mtdX/bbt_blocks
+Date: June 2014
+KernelVersion: 3.17
+Contact: linux-mtd@lists.infradead.org
+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).
diff --git a/Documentation/devicetree/bindings/mtd/gpmi-nand.txt b/Documentation/devicetree/bindings/mtd/gpmi-nand.txt
index 458d59634688..a011fdf61dbf 100644
--- a/Documentation/devicetree/bindings/mtd/gpmi-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/gpmi-nand.txt
@@ -25,6 +25,16 @@ Optional properties:
discoverable or this property is not enabled,
the software may chooses an implementation-defined
ECC scheme.
+ - fsl,no-blockmark-swap: Don't swap the bad block marker from the OOB
+ area with the byte in the data area but rely on the
+ flash based BBT for identifying bad blocks.
+ NOTE: this is only valid in conjunction with
+ 'nand-on-flash-bbt'.
+ WARNING: on i.MX28 blockmark swapping cannot be
+ disabled for the BootROM in the FCB. Thus,
+ partitions written from Linux with this feature
+ turned on may not be accessible by the BootROM
+ code.
The device tree may optionally contain sub-nodes describing partitions of the
address space. See partition.txt for more detail.