[PATCH v7 1/7] mtd: spi-nor: sst: fix BPn bits for the SST25VF064C

Michael Walle michael at walle.cc
Wed Dec 2 18:00:34 EST 2020


This flash part actually has 4 block protection bits.

Reported-by: Tudor Ambarus <tudor.ambarus at microchip.com>
Cc: stable at vger.kernel.org # v5.7+
Signed-off-by: Michael Walle <michael at walle.cc>
---
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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