Re: [PATCH] mtd: davinci-nand: disable subpage write for davinci-nand

From: Boris Brezillon
Date: Tue Jan 03 2017 - 03:59:39 EST


Hi Sushaanth,

Sorry for the late reply, I'm dequeing old NAND related patches and
found this one.

Is this patch still needed?

On Tue, 8 Mar 2016 14:38:15 +0530
Sushaanth Srirangapathi <sushaanth.s@xxxxxx> wrote:

> Commit 28c015a9daabe4e ("mtd: davinci-nand: disable subpage write for
> keystone-nand") disables subpage write for Keystone SOCs due to hw
> issues.
>
> But subpage writes doesn't work even for DaVinci SOCs due to hw issues.
> So set NAND_NO_SUBPAGE_WRITE option for all devices compatible to
> this driver.
>
> I tested this patch using DA850 board.
>
> Signed-off-by: Sushaanth Srirangapathi <sushaanth.s@xxxxxx>
> ---
> drivers/mtd/nand/davinci_nand.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
> index 8cb821b..466439c 100644
> --- a/drivers/mtd/nand/davinci_nand.c
> +++ b/drivers/mtd/nand/davinci_nand.c
> @@ -601,11 +601,7 @@ 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_device_is_compatible(pdev->dev.of_node,
> - "ti,keystone-nand")) {
> - pdata->options |= NAND_NO_SUBPAGE_WRITE;
> - }
> + pdata->options |= NAND_NO_SUBPAGE_WRITE;
> }
>
> return dev_get_platdata(&pdev->dev);