Re: [PATCH v2 6/6] mtd: spi-nor: core: avoid odd length/address writes in 8D-8D-8D mode

[Michael Walle]

Am 2021-05-31 20:17, schrieb Pratyush Yadav:
> On Octal DTR capable flashes like Micron Xcella the writes cannot start
> or end at an odd address in Octal DTR mode. Extra 0xff bytes need to be
> appended or prepended to make sure the start address and end address 
> are
> even. 0xff is used because on NOR flashes a program operation can only
> flip bits from 1 to 0, not the other way round. 0 to 1 flip needs to
> happen via erases.
>
> Signed-off-by: Pratyush Yadav <p.yadav@xxxxxx>

Reviewed-by: Michael Walle <michael@xxxxxxxx>