[v2, 2/2] mtd: spinand: winbond: Fix ecc_get_status

[Miquel Raynal]

On Fri, 2023-06-23 at 15:33:37 UTC, Olivier Maignial wrote:
> Reading ECC status is failing.
> 
> w25n02kv_ecc_get_status() is using on-stack buffer for
> SPINAND_GET_FEATURE_OP() output. It is not suitable for
> DMA needs of spi-mem.
> 
> Fix this by using the spi-mem operations dedicated buffer
> spinand->scratchbuf.
> 
> See
> spinand->scratchbuf:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/linux/mtd/spinand.h?h=v6.3#n418
> spi_mem_check_op():
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/spi/spi-mem.c?h=v6.3#n199
> 
> Fixes: 6154c7a58348 ("mtd: spinand: winbond: add Winbond W25N02KV flash support")
> Cc: stable at vger.kernel.org
> Signed-off-by: Olivier Maignial <olivier.maignial at hotmail.fr>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/fixes, thanks.

Miquel