diff options
Diffstat (limited to 'drivers/mtd/spi-nor/spi-nor.c')
| -rw-r--r-- | drivers/mtd/spi-nor/spi-nor.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 792354a..67b6fce 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -856,6 +856,9 @@ static int set_ddr_quad_mode(struct spi_nor *nor, u32 jedec_id) return status; } return status; + case CFI_MFR_ST: /* Micron, actually */ + /* DTR quad read works with the Extended SPI protocol. */ + return 0; default: return -EINVAL; } @@ -1055,6 +1058,8 @@ int spi_nor_scan(struct spi_nor *nor, const struct spi_device_id *id, case SPI_NOR_DDR_QUAD: if (JEDEC_MFR(info->jedec_id) == CFI_MFR_AMD) { /* Spansion */ nor->read_opcode = SPINOR_OP_READ_1_4_4_D; + } else if (JEDEC_MFR(info->jedec_id) == CFI_MFR_ST) { + nor->read_opcode = SPINOR_OP_READ_1_1_4_D; } else { dev_err(dev, "DDR Quad Read is not supported.\n"); return -EINVAL; |