From: Michael Walle michael@walle.cc
[ 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: 3e0930f109e7 ("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 --- drivers/mtd/spi-nor/sst.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/spi-nor/sst.c b/drivers/mtd/spi-nor/sst.c index e0af6d25d573b..0ab07624fb73f 100644 --- a/drivers/mtd/spi-nor/sst.c +++ b/drivers/mtd/spi-nor/sst.c @@ -18,7 +18,8 @@ static const struct flash_info sst_parts[] = { SECT_4K | SST_WRITE) }, { "sst25vf032b", INFO(0xbf254a, 0, 64 * 1024, 64, SECT_4K | SST_WRITE) }, - { "sst25vf064c", INFO(0xbf254b, 0, 64 * 1024, 128, SECT_4K) }, + { "sst25vf064c", INFO(0xbf254b, 0, 64 * 1024, 128, + SECT_4K | SPI_NOR_4BIT_BP) }, { "sst25wf512", INFO(0xbf2501, 0, 64 * 1024, 1, SECT_4K | SST_WRITE) }, { "sst25wf010", INFO(0xbf2502, 0, 64 * 1024, 2,