[PATCH 17/30] mtd: spi-nor: winbond: W25Q64JV-M: Drop redundant data

[Miquel Raynal]

This chip has correct SFDP support, all fields are correctly filled so
we can drop them from the table:

$ cat /sys/kernel/debug/spi-nor/spi0.0/params

name		(null)
id		ef 70 17 00 00 00
size		8.00 MiB
write size	1
page size	256
address nbytes	3
flags		HAS_SR_TB | HAS_LOCK | HAS_16BIT_SR | SOFT_RESET | NO_WP

opcodes
 read		0xeb
  dummy cycles	6
 erase		0xd8
 program	0x02
 8D extension	none

protocols
 read		1S-4S-4S
 write		1S-1S-1S
 register	1S-1S-1S

erase commands
 20 (4.00 KiB) [1]
 52 (32.0 KiB) [2]
 d8 (64.0 KiB) [3]
 c7 (8.00 MiB)

sector map
 region (in hex)   | erase mask | overlaid
 ------------------+------------+---------
 00000000-007fffff |     [   3] | no

locked sectors
 region (in hex)   | status   | #sectors
 ------------------+----------+---------
 00000000-003fffff |   locked | 32
 00400000-007fffff | unlocked | 32
$ cat /sys/kernel/debug/spi-nor/spi0.0/capabilities
Supported read modes by the flash
 1S-1S-1S
  opcode	0x03
  mode cycles	0
  dummy cycles	0
 1S-1S-2S
  opcode	0x3b
  mode cycles	0
  dummy cycles	8
 1S-2S-2S
  opcode	0xbb
  mode cycles	2
  dummy cycles	2
 1S-1S-4S
  opcode	0x6b
  mode cycles	0
  dummy cycles	8
 1S-4S-4S
  opcode	0xeb
  mode cycles	2
  dummy cycles	4
 4S-4S-4S
  opcode	0xeb
  mode cycles	2
  dummy cycles	0

Supported page program modes by the flash
 1S-1S-1S
  opcode	0x02

Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
---
$ cat /sys/bus/spi/devices/spi0.0/spi-nor/jedec_id
ef7017
$ cat /sys/bus/spi/devices/spi0.0/spi-nor/manufacturer
winbond
$ xxd -p /sys/bus/spi/devices/spi0.0/spi-nor/sfdp
53464450050100ff00050110800000ffffffffffffffffffffffffffffff
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
ffffffffffffffffe520f9ffffffff0344eb086b083b42bbfeffffffffff
0000ffff40eb0c200f5210d800003602a60082ea14c4e96376337a757a75
f7a2d55c19f74dffe930f880
$ sha256sum /sys/bus/spi/devices/spi0.0/spi-nor/sfdp
ad4c59a94e6205cf237f8734d01ca45d67d34ed35404b364595ff420b6259d32  /sys/bus/spi/devices/spi0.0/spi-nor/sfdp
$ cat /sys/kernel/debug/spi-nor/spi0.0/params
name		(null)
id		ef 70 17 00 00 00
size		8.00 MiB
write size	1
page size	256
address nbytes	3
flags		HAS_SR_TB | HAS_LOCK | HAS_16BIT_SR | SOFT_RESET | NO_WP

opcodes
 read		0xeb
  dummy cycles	6
 erase		0xd8
 program	0x02
 8D extension	none

protocols
 read		1S-4S-4S
 write		1S-1S-1S
 register	1S-1S-1S

erase commands
 20 (4.00 KiB) [1]
 52 (32.0 KiB) [2]
 d8 (64.0 KiB) [3]
 c7 (8.00 MiB)

sector map
 region (in hex)   | erase mask | overlaid
 ------------------+------------+---------
 00000000-007fffff |     [   3] | no

locked sectors
 region (in hex)   | status   | #sectors
 ------------------+----------+---------
 00000000-003fffff |   locked | 32
 00400000-007fffff | unlocked | 32
$ cat /sys/kernel/debug/spi-nor/spi0.0/capabilities
Supported read modes by the flash
 1S-1S-1S
  opcode	0x03
  mode cycles	0
  dummy cycles	0
 1S-1S-2S
  opcode	0x3b
  mode cycles	0
  dummy cycles	8
 1S-2S-2S
  opcode	0xbb
  mode cycles	2
  dummy cycles	2
 1S-1S-4S
  opcode	0x6b
  mode cycles	0
  dummy cycles	8
 1S-4S-4S
  opcode	0xeb
  mode cycles	2
  dummy cycles	4
 4S-4S-4S
  opcode	0xeb
  mode cycles	2
  dummy cycles	0

Supported page program modes by the flash
 1S-1S-1S
  opcode	0x02
---
 drivers/mtd/spi-nor/winbond.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/mtd/spi-nor/winbond.c b/drivers/mtd/spi-nor/winbond.c
index 51244625b318..6b996897f419 100644
--- a/drivers/mtd/spi-nor/winbond.c
+++ b/drivers/mtd/spi-nor/winbond.c
@@ -298,9 +298,7 @@ static const struct flash_info winbond_nor_parts[] = {
 	}, {
 		/* W25Q64JV-M */
 		.id = SNOR_ID(0xef, 0x70, 0x17),
-		.size = SZ_8M,
 		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB,
-		.no_sfdp_flags = SECT_4K,
 	}, {
 		/* W25Q128JV-M */
 		.id = SNOR_ID(0xef, 0x70, 0x18),

-- 
2.53.0