Remove undocumented SST special case. This was added in commit
5d40b3d384dc ("mtd: spi-nor: Add parallel and stacked memories support")
without any explanation in the commit message. Remove it.

Fixes: 5d40b3d384dc ("mtd: spi-nor: Add parallel and stacked memories support")
Signed-off-by: Marek Vasut <[email protected]>
---
Cc: Andre Przywara <[email protected]>
Cc: Ashok Reddy Soma <[email protected]>
Cc: Jagan Teki <[email protected]>
Cc: Michael Walle <[email protected]>
Cc: Michal Simek <[email protected]>
Cc: Patrice Chotard <[email protected]>
Cc: Patrick Delaunay <[email protected]>
Cc: Pratyush Yadav <[email protected]>
Cc: Quentin Schulz <[email protected]>
Cc: Sean Anderson <[email protected]>
Cc: Simon Glass <[email protected]>
Cc: Takahiro Kuwano <[email protected]>
Cc: Tom Rini <[email protected]>
Cc: Tudor Ambarus <[email protected]>
Cc: Venkatesh Yadav Abbarapu <[email protected]>
Cc: [email protected]
Cc: [email protected]
---
 drivers/mtd/spi/spi-nor-core.c | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c
index d22363e8267..3c47751348e 100644
--- a/drivers/mtd/spi/spi-nor-core.c
+++ b/drivers/mtd/spi/spi-nor-core.c
@@ -3578,19 +3578,6 @@ static int spi_nor_select_erase(struct spi_nor *nor,
                        mtd->erasesize = info->sector_size;
        }
 
-       if ((JEDEC_MFR(info) == SNOR_MFR_SST) && info->flags & SECT_4K) {
-               nor->erase_opcode = SPINOR_OP_BE_4K;
-               /*
-                * In parallel-memories the erase operation is
-                * performed on both the flashes simultaneously
-                * so, double the erasesize.
-                */
-               if (nor->flags & SNOR_F_HAS_PARALLEL)
-                       mtd->erasesize = 4096 * 2;
-               else
-                       mtd->erasesize = 4096;
-       }
-
        return 0;
 }
 
-- 
2.45.2

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