Discussion:
[PATCH] mtd: spi-nor: Add 4B_OPCODES flag to is25lp256
(too old to reply)
Liu Xiang
2018-11-14 12:55:18 UTC
Permalink
The is25lp256 supports 4-byte opcodes and quad output.

Suggested-by: Boris Brezillon <***@bootlin.com>
Signed-off-by: Liu Xiang <***@zte.com.cn>
---
drivers/mtd/spi-nor/spi-nor.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 3e54e31..3eba13a 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1357,7 +1357,7 @@ static int spi_nor_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
{ "is25lp128", INFO(0x9d6018, 0, 64 * 1024, 256,
SECT_4K | SPI_NOR_DUAL_READ) },
{ "is25lp256", INFO(0x9d6019, 0, 64 * 1024, 512,
- SECT_4K | SPI_NOR_DUAL_READ) },
+ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
{ "is25wp032", INFO(0x9d7016, 0, 64 * 1024, 64,
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ "is25wp064", INFO(0x9d7017, 0, 64 * 1024, 128,
--
1.9.1
Boris Brezillon
2018-11-14 14:01:23 UTC
Permalink
On Wed, 14 Nov 2018 20:55:18 +0800
Post by Liu Xiang
The is25lp256 supports 4-byte opcodes and quad output.
This one looks good. Tudor, can you have a look?
Post by Liu Xiang
---
drivers/mtd/spi-nor/spi-nor.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 3e54e31..3eba13a 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1357,7 +1357,7 @@ static int spi_nor_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
{ "is25lp128", INFO(0x9d6018, 0, 64 * 1024, 256,
SECT_4K | SPI_NOR_DUAL_READ) },
{ "is25lp256", INFO(0x9d6019, 0, 64 * 1024, 512,
- SECT_4K | SPI_NOR_DUAL_READ) },
+ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
{ "is25wp032", INFO(0x9d7016, 0, 64 * 1024, 64,
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ "is25wp064", INFO(0x9d7017, 0, 64 * 1024, 128,
T***@microchip.com
2018-12-07 09:28:27 UTC
Permalink
Post by Liu Xiang
The is25lp256 supports 4-byte opcodes and quad output.
---
drivers/mtd/spi-nor/spi-nor.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 3e54e31..3eba13a 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1357,7 +1357,7 @@ static int spi_nor_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
{ "is25lp128", INFO(0x9d6018, 0, 64 * 1024, 256,
SECT_4K | SPI_NOR_DUAL_READ) },
{ "is25lp256", INFO(0x9d6019, 0, 64 * 1024, 512,
- SECT_4K | SPI_NOR_DUAL_READ) },
+ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
{ "is25wp032", INFO(0x9d7016, 0, 64 * 1024, 64,
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ "is25wp064", INFO(0x9d7017, 0, 64 * 1024, 128,
Boris Brezillon
2018-12-08 12:30:40 UTC
Permalink
Post by Liu Xiang
The is25lp256 supports 4-byte opcodes and quad output.
Applied to http://git.infradead.org/linux-mtd.git spi-nor/next, thanks.

Boris

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