diff mbox series

[5/8] dt-bindings: mtd: partition: Document the slc-mode property

Message ID 20191230165129.11925-6-miquel.raynal@bootlin.com
State Changes Requested
Delegated to: Miquel Raynal
Headers show
Series MLC in SLC mode | expand

Commit Message

Miquel Raynal Dec. 30, 2019, 4:51 p.m. UTC
From: Boris Brezillon <boris.brezillon@bootlin.com>

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 <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
---
 .../devicetree/bindings/mtd/partition.txt       |   3 +++
 scripts/pnmtologo                               | Bin 0 -> 22416 bytes
 2 files changed, 3 insertions(+)
 create mode 100755 scripts/pnmtologo

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Comments

Florian Fainelli Dec. 31, 2019, 3:53 a.m. UTC | #1
On 12/30/2019 8:51 AM, Miquel Raynal wrote:
> From: Boris Brezillon <boris.brezillon@bootlin.com>
> 
> 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 <boris.brezillon@bootlin.com>
> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
> ---
>  .../devicetree/bindings/mtd/partition.txt       |   3 +++
>  scripts/pnmtologo                               | Bin 0 -> 22416 bytes

You will probably want to remove that file from the final commit and/or
add pnmtologo to .gitignore as a separate patch.
Miquel Raynal Jan. 14, 2020, 9:33 a.m. UTC | #2
Hi Florian,

Florian Fainelli <f.fainelli@gmail.com> wrote on Mon, 30 Dec 2019
19:53:11 -0800:

> On 12/30/2019 8:51 AM, Miquel Raynal wrote:
> > From: Boris Brezillon <boris.brezillon@bootlin.com>
> > 
> > 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 <boris.brezillon@bootlin.com>
> > Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
> > ---
> >  .../devicetree/bindings/mtd/partition.txt       |   3 +++
> >  scripts/pnmtologo                               | Bin 0 -> 22416 bytes  
> 
> You will probably want to remove that file from the final commit and/or
> add pnmtologo to .gitignore as a separate patch.

Done, thanks for the warning!


Thanks,
Miquèl
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/mtd/partition.txt b/Documentation/devicetree/bindings/mtd/partition.txt
index afbbd870496d..4a39698221a2 100644
--- 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:
 
diff --git a/scripts/pnmtologo b/scripts/pnmtologo
new file mode 100755
index 0000000000000000000000000000000000000000..ddb4f779cfa46fd92b802097fb2dd301bbe91912