To avoid inadvertent writes during power-up, SST26 flash memories are write-protected by default after a power-on reset cycle. Unlock the serial flash memory by using the Global Block Protection Unlock command - it offers a single command cycle that unlocks the entire memory array. v2: - add Cyrille's reviewed-by tag - add cover letter - fix link to initial work done by Anurag Kumar Vulisha Tudor Ambarus (3): mtd: spi-nor: add Global Block Unlock support mtd: spi-nor: unlock global block protection on sst26vf064b mtd: spi-nor: add support for Microchip SST26 QSPI flash memories drivers/mtd/spi-nor/spi-nor.c | 47 ++++++++++++++++++++++++++++++++++++++++++- include/linux/mtd/spi-nor.h | 1 + 2 files changed, 47 insertions(+), 1 deletion(-) -- 2.9.4 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/