This flash part actually has 4 block protection bits.

Reported-by: Tudor Ambarus <[email protected]>
Cc: [email protected] # v5.7+
Signed-off-by: Michael Walle <[email protected]>
---
I didn't add the Fixes: tag because we depend on the 4bit BP support which
was introduced in 5.7.

changes since v6:
 - new patch

 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 e0af6d25d573..0ab07624fb73 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,
-- 
2.20.1

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