diff mbox series

[v6,12/14] mtd: spi-nor: spansion: s25fl256s0: Skip SFDP parsing

Message ID 20211207140254.87681-13-tudor.ambarus@microchip.com (mailing list archive)
State New, archived
Headers show
Series mtd: spi-nor: Clean params init | expand

Commit Message

Tudor Ambarus Dec. 7, 2021, 2:02 p.m. UTC 
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@microchip.com>
---

root@sama5d2-xplained:~# cat /sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/jedec_id
0102194d0080
root@sama5d2-xplained:~# cat /sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/manufacturer
spansion
root@sama5d2-xplained:~# cat /sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/partname
s25fl256s0
root@sama5d2-xplained:~# cat /sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/sfdp
cat: '/sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/sfdp': No such file or directory

 drivers/mtd/spi-nor/spansion.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c
index f2a2995a7718..f44401287811 100644
--- a/drivers/mtd/spi-nor/spansion.c
+++ b/drivers/mtd/spi-nor/spansion.c
@@ -210,7 +210,8 @@  static const struct flash_info spansion_parts[] = {
 		NO_SFDP_FLAGS(SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
 	{ "s25fl256s0", INFO6(0x010219, 0x4d0080, 256 * 1024, 128)
 		FLAGS(USE_CLSR)
-		NO_SFDP_FLAGS(SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
+		NO_SFDP_FLAGS(SPI_NOR_SKIP_SFDP | SPI_NOR_DUAL_READ |
+			      SPI_NOR_QUAD_READ) },
 	{ "s25fl256s1", INFO6(0x010219, 0x4d0180, 64 * 1024, 512)
 		FLAGS(USE_CLSR)
 		NO_SFDP_FLAGS(SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },