This has nothing to do with the move manufacturer out of the spi-nor core pursue, but depends on:
https://patchwork.ozlabs.org/project/linux-mtd/list/?series=127030 On 08/23/2019 07:05 PM, Tudor Ambarus - M18064 wrote: > From: Tudor Ambarus <[email protected]> > > This is similar with what other nor flashes are doing by clearing the > block protection bits from the status register: disable the write > protection after a power-on reset cycle. > > The Global Block-Protection Unlock command offers a single command cycle > that unlocks the entire memory array. Prefer this method for higher > throughput. > > Tested on the sst26vf064b flash using the atmel-quadspi driver. > > Tudor Ambarus (2): > mtd: spi-nor: add Global Block Unlock support > mtd: spi-nor: unlock global block protection on sst26vf064b > > drivers/mtd/spi-nor/spi-nor.c | 51 > +++++++++++++++++++++++++++++++++++++++++-- > include/linux/mtd/spi-nor.h | 1 + > 2 files changed, 50 insertions(+), 2 deletions(-) >
