[PATCH v3 3/6] mtd: spi-nor: Check nor->info before setting macronix_octal_fixups

From: Takahiro Kuwano Takahiro.Kuwano@infineon.com

The macronix_octal_fixups should be set only when mfr and flags match.

Fixes: df3d5f9e41 ("mtd: spi-nor: add support for Macronix Octal flash") Acked-by: Tudor Ambarus tudor.ambarus@linaro.org Signed-off-by: Takahiro Kuwano Takahiro.Kuwano@infineon.com Cc: JaimeLiao jaimeliao.tw@gmail.com --- drivers/mtd/spi/spi-nor-core.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c index d39d0ee7813..466729cd2a7 100644 --- a/drivers/mtd/spi/spi-nor-core.c +++ b/drivers/mtd/spi/spi-nor-core.c @@ -4423,7 +4423,9 @@ void spi_nor_set_fixups(struct spi_nor *nor) #endif

#if CONFIG_IS_ENABLED(SPI_FLASH_MACRONIX) - nor->fixups = &macronix_octal_fixups; + if (JEDEC_MFR(nor->info) == SNOR_MFR_MACRONIX && + nor->info->flags & SPI_NOR_OCTAL_DTR_READ) + nor->fixups = &macronix_octal_fixups; #endif /* SPI_FLASH_MACRONIX */ }