On 4/25/24 05:52, tkuw584924@gmail.com wrote:
From: Takahiro Kuwano Takahiro.Kuwano@infineon.com
The Infineon SEMPER NOR flash family uses 2-bit ECC by default with each ECC block being 16 bytes. Under this scheme multi-pass programming to an ECC block is not allowed. Set the writesize to make sure multi-pass programming is not attempted on the flash.
Signed-off-by: Takahiro Kuwano Takahiro.Kuwano@infineon.com
Acked-by: Tudor Ambarus tudor.ambarus@linaro.org
drivers/mtd/spi/spi-nor-core.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c index ee968c10e4..7985ca70ff 100644 --- a/drivers/mtd/spi/spi-nor-core.c +++ b/drivers/mtd/spi/spi-nor-core.c @@ -3456,6 +3456,13 @@ static void s25_late_init(struct spi_nor *nor, struct spi_nor_flash_parameter *params) { nor->setup = s25_s28_setup;
- /*
* Programming is supported only in 16-byte ECC data unit granularity.* Byte-programming, bit-walking, or multiple program operations to the* same ECC data unit without an erase are not allowed.*/- params->writesize = 16;
}
static int s25_s28_post_bfpt_fixup(struct spi_nor *nor, @@ -3620,6 +3627,13 @@ static void s28hx_t_late_init(struct spi_nor *nor, { nor->octal_dtr_enable = spi_nor_cypress_octal_dtr_enable; nor->setup = s25_s28_setup;
- /*
* Programming is supported only in 16-byte ECC data unit granularity.* Byte-programming, bit-walking, or multiple program operations to the* same ECC data unit without an erase are not allowed.*/- params->writesize = 16;
}
static void s28hx_t_post_sfdp_fixup(struct spi_nor *nor,