On Monday 24 November 2014 11:03 AM, Sanchayan Maity wrote:
> This patch disables subpage writes for vf610_nfc nand
> driver. This is required, as without this fix, writing
> unaligned u-boot images with DFU results in a hang.
> Trying to write unalgined binary images also results
> in a hang, without disabling subpage writes.
> 
> Patch has been tested on a Colibri VF61 module.
> 
> Signed-off-by: Sanchayan Maity <maitysancha...@gmail.com>
> ---
>  drivers/mtd/nand/vf610_nfc.c |    3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c
> index 7feb3a7..928d58b 100644
> --- a/drivers/mtd/nand/vf610_nfc.c
> +++ b/drivers/mtd/nand/vf610_nfc.c
> @@ -611,6 +611,9 @@ static int vf610_nfc_nand_init(int devnum, void __iomem 
> *addr)
>               vf610_nfc_clear(mtd, NFC_FLASH_CONFIG, CONFIG_16BIT);
>       }
>  
> +     /* Disable subpage writes as we do not provide ecc->hwctl */
> +     chip->options |= NAND_NO_SUBPAGE_WRITE;
> +
>       chip->dev_ready = vf610_nfc_dev_ready;
>       chip->cmdfunc = vf610_nfc_command;
>       chip->read_byte = vf610_nfc_read_byte;
> 

Ping? 

-Regards,
Sanchayan.
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