diff options
Diffstat (limited to 'drivers/mtd/spi-nor/core.c')
| -rw-r--r-- | drivers/mtd/spi-nor/core.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 35295d98542f..34256593acde 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -539,6 +539,30 @@ int spi_nor_set_4byte_addr_mode(struct spi_nor *nor, bool enable) } /** + * micron_st_nor_set_4byte_addr_mode() - Set 4-byte address mode for ST and + * Micron flashes. + * @nor: pointer to 'struct spi_nor'. + * @enable: true to enter the 4-byte address mode, false to exit the 4-byte + * address mode. + * + * Return: 0 on success, -errno otherwise. + */ +int micron_st_nor_set_4byte_addr_mode(struct spi_nor *nor, bool enable) +{ + int ret; + + ret = spi_nor_write_enable(nor); + if (ret) + return ret; + + ret = spi_nor_set_4byte_addr_mode(nor, enable); + if (ret) + return ret; + + return spi_nor_write_disable(nor); +} + +/** * spansion_set_4byte_addr_mode() - Set 4-byte address mode for Spansion * flashes. * @nor: pointer to 'struct spi_nor'. |