[U-Boot] mtd: nand: allow NAND_NO_SUBPAGE_WRITE to be set from driver

[Scott Wood <scottwood@freescale.com>]

On Thu, Aug 30, 2012 at 01:39:38PM -0000, Marek Vasut wrote:
> This is based on Linux kernel -next:
> 
> commit a1256b0e087ed3cdb584c683acb966ee885f733c
> Author: Brian Norris <computersforpeace@gmail.com>
> Date:   Fri Jul 13 09:28:24 2012 -0700
> 
>     mtd: nand: allow NAND_NO_SUBPAGE_WRITE to be set from driver
> 
>     The NAND_CHIPOPTIONS_MSK has limited utility and is causing real bugs. It
>     silently masks off at least one flag that might be set by the driver
>     (NAND_NO_SUBPAGE_WRITE). This breaks the GPMI NAND driver and possibly
>     others.
> 
>     Really, as long as driver writers exercise a small amount of care with
>     NAND_* options, this mask is not necessary at all; it was only here to
>     prevent certain options from accidentally being set by the driver. But the
>     original thought turns out to be a bad idea occasionally. Thus, kill it.
> 
>     Note, this patch fixes some major gpmi-nand breakage.
> 
> Signed-off-by: Marek Vasut <marex@denx.de>
> Cc: Brian Norris <computersforpeace@gmail.com>
> Cc: Eric Nelson <eric.nelson@boundarydevices.com>
> Cc: Fabio Estevam <festevam@gmail.com>
> Cc: Otavio Salvador <otavio@ossystems.com.br>
> Cc: Scott Wood <scottwood@freescale.com>

Applied to u-boot-nand-flash with the SHA1 updated based on current
linux-next: 14f44abf1dafc20ba42ce8616a8fc8fbd1b3712b

-Scott