[PATCH] mtd: spi-nor: Enable locking for n25q128a13

[Michael Walle]

Hi Jonathan,

Am 2021-06-28 23:17, schrieb Jonathan Lemon:
> As 4bit block protection patchset for some micron models are merged,
> n25q128a13 also uses 4 bit Block Protection scheme, so enable locking
> for it. Tested it on n25q128a13, the locking functions work well.
> 
> Signed-off-by: Jonathan Lemon <jonathan.lemon at gmail.com>
> ---
>  drivers/mtd/spi-nor/micron-st.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mtd/spi-nor/micron-st.c 
> b/drivers/mtd/spi-nor/micron-st.c
> index c224e59820a1..f3d19b716b7b 100644
> --- a/drivers/mtd/spi-nor/micron-st.c
> +++ b/drivers/mtd/spi-nor/micron-st.c
> @@ -146,7 +146,9 @@ static const struct flash_info st_parts[] = {
>  			      SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB |
>  			      SPI_NOR_4BIT_BP | SPI_NOR_BP3_SR_BIT6) },
>  	{ "n25q128a13",  INFO(0x20ba18, 0, 64 * 1024,  256,
> -			      SECT_4K | USE_FSR | SPI_NOR_QUAD_READ) },
> +			      SECT_4K | USE_FSR | SPI_NOR_QUAD_READ |
> +			      SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB |
> +			      SPI_NOR_4BIT_BP | SPI_NOR_BP3_SR_BIT6) },
>  	{ "mt25ql256a",  INFO6(0x20ba19, 0x104400, 64 * 1024,  512,
>  			       SECT_4K | USE_FSR | SPI_NOR_DUAL_READ |
>  			       SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },

For the maintainers: there are no configuration bits which could
change the behavior of the block protection - which we possibly
won't support yet. Thus this looks sane:

Reviewed-by: Michael Walle <michael at walle.cc>

Jonathan, could you also apply my SFDP patch [1] (or use the latest
linux-next) and send me the binary SFDP dump?

-michael

[1] https://patchwork.ozlabs.org/project/linux-mtd/list/?series=241877