openwrt/target/linux/generic/backport-5.4/400-v5.8-dt-bindings-mtd-partition-Document-the-slc-mode-prop.patch
Rafał Miłecki 7495acb555 kernel: backport mtd commit converting partitions doc syntax
1. It's useful for developing & validating DTS files inside OpenWrt
2. This will allow backporting later changes that depend on it

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2021-01-20 07:47:23 +01:00

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1.1 KiB
Diff

From 422928a040fe17d17ded69c57903c7908423c7ef Mon Sep 17 00:00:00 2001
From: Boris Brezillon <bbrezillon@kernel.org>
Date: Sun, 3 May 2020 17:53:38 +0200
Subject: [PATCH] dt-bindings: mtd: partition: Document the slc-mode property
Add a boolean property to force a specific partition attached to an MLC
NAND to be accessed in an emulated SLC mode this making this partition
immune to paired-pages corruptions.
Signed-off-by: Boris Brezillon <bbrezillon@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200503155341.16712-6-miquel.raynal@bootlin.com
---
Documentation/devicetree/bindings/mtd/partition.txt | 3 +++
1 file changed, 3 insertions(+)
--- a/Documentation/devicetree/bindings/mtd/partition.txt
+++ b/Documentation/devicetree/bindings/mtd/partition.txt
@@ -61,6 +61,9 @@ Optional properties:
clobbered.
- lock : Do not unlock the partition at initialization time (not supported on
all devices)
+- slc-mode: This parameter, if present, allows one to emulate SLC mode on a
+ partition attached to an MLC NAND thus making this partition immune to
+ paired-pages corruptions
Examples: