[PATCH 1/1] mtd: eLBC NAND: fixes subpage write support

[Scott Wood]

On Tue, 2014-05-06 at 09:41 +0530, Pekon Gupta wrote:
> As subpage write is enabled by default for all drivers, nand_write_subpage_hwecc
> causes a crash if the driver did not register ecc->hwctl or ecc->calculate.
> This behavior was introduced in
>    commit 837a6ba4f3b6d23026674e6af6b6849a4634fff9
>    "mtd: nand: subpage write support for hardware based ECC schemes".
> 
> This fixes a crash by emulating subpage write support by padding sub-page data
> with 0xff on either sides to make it full page compatible.
> 
> CC: <stable at vger.kernel.org> # 3.10.x+
> 
> Reported-by: Helmut Schaa <helmut.schaa at googlemail.com>
> Tested-by: Helmut Schaa <helmut.schaa at googlemail.com>
> Signed-off-by: Pekon Gupta <pekon at ti.com>
> ---
>  drivers/mtd/nand/fsl_elbc_nand.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)

Reviewed-by: Scott Wood <scottwood at freescale.com>

-Scott