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Subject[PATCH v2 03/14] dt-bindings: qcom_nandc: make nand-ecc-strength optional
Now, nand-ecc-strength is optional. If specified in DT, then
controller will use this ECC strength otherwise ECC strength will
be calculated according to chip requirement and available OOB size.

Signed-off-by: Abhishek Sahu <>
* Changes from v1:


Documentation/devicetree/bindings/mtd/qcom_nandc.txt | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mtd/qcom_nandc.txt b/Documentation/devicetree/bindings/mtd/qcom_nandc.txt
index 73d336be..f246aa0 100644
--- a/Documentation/devicetree/bindings/mtd/qcom_nandc.txt
+++ b/Documentation/devicetree/bindings/mtd/qcom_nandc.txt
@@ -45,11 +45,13 @@ Required properties:
number (e.g., 0, 1, 2, etc.)
- #address-cells: see partition.txt
- #size-cells: see partition.txt
-- nand-ecc-strength: see nand.txt
- nand-ecc-step-size: must be 512. see nand.txt for more details.

Optional properties:
- nand-bus-width: see nand.txt
+- nand-ecc-strength: see nand.txt. If not specified, then ECC strength will
+ be used according to chip requirement and available
+ OOB size.

Each nandcs device node may optionally contain a 'partitions' sub-node, which
further contains sub-nodes describing the flash partition mapping. See
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc.
is a member of Code Aurora Forum, hosted by The Linux Foundation
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