diff options
| author | Shiji Yang <[email protected]> | 2025-11-26 09:37:41 +0800 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2026-02-13 10:54:58 -0600 |
| commit | eae0ca2125933c3d1742deba723d2cc4b4955ef0 (patch) | |
| tree | 790458881da1ec092bd0707be105a2ca8d5741a5 /drivers/mtd | |
| parent | 4f76c90bad3867c402cae28b45c928626bedefff (diff) | |
mtd: spi-nor-tiny: fix 4-Byte address instructions for Cypress and ISSI
In theory, for the same vendor, we should use the same instructions as
the spi-nor-core implementation.
Fixes: 72151ad10f8d ("mtd: spi-nor-core: Add Cypress manufacturer ID in set_4byte")
Fixes: 5bf3f3dd11db ("mtd: spi-nor: Enable QE bit for ISSI flash")
Signed-off-by: Shiji Yang <[email protected]>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/spi/spi-nor-tiny.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mtd/spi/spi-nor-tiny.c b/drivers/mtd/spi/spi-nor-tiny.c index 23de64a1520..cf00473ee83 100644 --- a/drivers/mtd/spi/spi-nor-tiny.c +++ b/drivers/mtd/spi/spi-nor-tiny.c @@ -220,6 +220,7 @@ static inline int set_4byte(struct spi_nor *nor, const struct flash_info *info, /* Some Micron need WREN command; all will accept it */ need_wren = true; fallthrough; + case SNOR_MFR_ISSI: case SNOR_MFR_MACRONIX: case SNOR_MFR_WINBOND: if (need_wren) @@ -246,6 +247,9 @@ static inline int set_4byte(struct spi_nor *nor, const struct flash_info *info, } return status; + case SNOR_MFR_CYPRESS: + cmd = enable ? SPINOR_OP_EN4B : SPINOR_OP_EX4B_CYPRESS; + return spi_nor_write_reg(nor, cmd, NULL, 0); default: /* Spansion style */ nor->cmd_buf[0] = enable << 7; |