linux-kernel - [PATCH v3 04/16] dt-bindings: qcom_nandc: remove nand-ecc-step-size

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Date:   Fri, 25 May 2018 17:51:32 +0530
From:   Abhishek Sahu <absahu@...eaurora.org>
To:     Boris Brezillon <boris.brezillon@...tlin.com>
Cc:     David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Richard Weinberger <richard@....at>,
        Cyrille Pitchen <cyrille.pitchen@...ev4u.fr>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mtd@...ts.infradead.org, Andy Gross <andy.gross@...aro.org>,
        Archit Taneja <architt@...eaurora.org>,
        Abhishek Sahu <absahu@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Subject: [PATCH v3 04/16] dt-bindings: qcom_nandc: remove nand-ecc-step-size

QCOM NAND controller supports only one step size (512) but
nand-ecc-step-size is required property in DT. This DT property
can be removed and ecc step size can be assigned in driver with
512 value.

Signed-off-by: Abhishek Sahu <absahu@...eaurora.org>
---

Currently there is no user in mainline linux kernel for
QPIC. Following patches for this node is in review

https://patchwork.kernel.org/patch/10426405/
https://patchwork.kernel.org/patch/10426385/

If these changes got merged then I will submit another change
to remove the nand-ecc-step-size from actual DTS.

* Changes from v2:

 NEW CHANGE

 Documentation/devicetree/bindings/mtd/qcom_nandc.txt | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/mtd/qcom_nandc.txt b/Documentation/devicetree/bindings/mtd/qcom_nandc.txt
index f246aa0..1123cc6 100644
--- a/Documentation/devicetree/bindings/mtd/qcom_nandc.txt
+++ b/Documentation/devicetree/bindings/mtd/qcom_nandc.txt
@@ -45,7 +45,6 @@ Required properties:
 			number (e.g., 0, 1, 2, etc.)
 - #address-cells:	see partition.txt
 - #size-cells:		see partition.txt
-- nand-ecc-step-size:	must be 512. see nand.txt for more details.
 
 Optional properties:
 - nand-bus-width:	see nand.txt
@@ -79,7 +78,6 @@ nand-controller@...00000 {
 		reg = <0>;
 
 		nand-ecc-strength = <4>;
-		nand-ecc-step-size = <512>;
 		nand-bus-width = <8>;
 
 		partitions {
@@ -119,7 +117,6 @@ nand-controller@...0000 {
 	nand@0 {
 		reg = <0>;
 		nand-ecc-strength = <4>;
-		nand-ecc-step-size = <512>;
 		nand-bus-width = <8>;
 
 		partitions {
-- 
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