[ Upstream commit 989d4b72bae3b05c1564d38e71e18f65b12734fb ] This flash part actually has 4 block protection bits. Please note, that this patch is just based on information of the datasheet of the datasheet and wasn't tested. Fixes: 3e0930f109 ("mtd: spi-nor: Rework the disabling of block write protection") Reported-by: Tudor Ambarus <tudor.ambarus@microchip.com> Signed-off-by: Michael Walle <michael@walle.cc> Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com> Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com> Link: https://lore.kernel.org/r/20201203162959.29589-2-michael@walle.cc Signed-off-by: Sasha Levin <sashal@kernel.org>
3e0930f109
Create a SPI NOR manufacturer driver for SST chips, and move the SST definitions outside of core.c. Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>