From: Murali Karicheri <m-karicheri2@xxxxxx> After testing NAND flash with ubifs for k2hk-emv board were committed that flash doesn't support subpage writing, so we can fix it by adding a property to disable subpage write. Signed-off-by: Murali Karicheri <m-karicheri2@xxxxxx> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@xxxxxx> --- Documentation/devicetree/bindings/mtd/davinci-nand.txt | 2 ++ drivers/mtd/nand/davinci_nand.c | 3 +++ 2 files changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/mtd/davinci-nand.txt b/Documentation/devicetree/bindings/mtd/davinci-nand.txt index cfb18ab..50af930 100644 --- a/Documentation/devicetree/bindings/mtd/davinci-nand.txt +++ b/Documentation/devicetree/bindings/mtd/davinci-nand.txt @@ -53,6 +53,8 @@ Recommended properties : identifier is saved in OOB area. If not present false. +- ti,davinci-nosubpage-write: disable subpage write for the device + Deprecated properties: - ti,davinci-ecc-mode: operation mode of the NAND ecc mode. ECC mode diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c index 4615d79..3ba058d 100644 --- a/drivers/mtd/nand/davinci_nand.c +++ b/drivers/mtd/nand/davinci_nand.c @@ -581,6 +581,9 @@ static struct davinci_nand_pdata of_property_read_bool(pdev->dev.of_node, "ti,davinci-nand-use-bbt")) pdata->bbt_options = NAND_BBT_USE_FLASH; + if (of_property_read_bool(pdev->dev.of_node, + "ti,davinci-no-subpage-write")) + pdata->options |= NAND_NO_SUBPAGE_WRITE; } return dev_get_platdata(&pdev->dev); -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
