[PATCH v3 22/25] mtd: spi-nor: spansion: s25fl256s0: Skip SFDP parsing

Tudor Ambarus tudor.ambarus at microchip.com
Fri Oct 29 10:26:30 PDT 2021


s25fl256s0 does not define the SFDP tables nor implements the
RDSFDP 0x5a command. Skip the SFDP parsing in order to avoid
issuing an unsupported command to the flash.

Signed-off-by: Tudor Ambarus <tudor.ambarus at microchip.com>
---
 drivers/mtd/spi-nor/spansion.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c
index 3ee1cd3b8fb5..463ddd0776ec 100644
--- a/drivers/mtd/spi-nor/spansion.c
+++ b/drivers/mtd/spi-nor/spansion.c
@@ -209,8 +209,9 @@ static const struct flash_info spansion_parts[] = {
 			      SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
 			      USE_CLSR) },
 	{ "s25fl256s0", INFO6(0x010219, 0x4d0080, 256 * 1024, 128,
-			      SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
-			      USE_CLSR) },
+			      SPI_NOR_SKIP_SFDP |
+			      SFDP_FLAGS(SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
+					 USE_CLSR)) },
 	{ "s25fl256s1", INFO6(0x010219, 0x4d0180, 64 * 1024, 512,
 			      SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
 			      USE_CLSR) },
-- 
2.25.1




More information about the linux-mtd mailing list