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mtd: spi-nor: core: Update name and description of micron_st_nor_set_4byte_addr_mode

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Rename method to spi_nor_set_4byte_addr_mode_wren_en4b_ex4b and extend
its description. This method is described in JESD216 BFPT[SFDP_DWORD(16)],
BIT(30) and BIT(22).

Reviewed-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/20230331074606.3559258-3-tudor.ambarus@linaro.org
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
This commit is contained in:
Tudor Ambarus 2023-03-31 07:45:58 +00:00
parent 076aa4eac8
commit 288df43783
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GPG key ID: 4B554F47A58D14E9
3 changed files with 7 additions and 5 deletions
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7
drivers/mtd/spi-nor/core.c
View file

@ -539,15 +539,16 @@ 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.
* spi_nor_set_4byte_addr_mode_wren_en4b_ex4b() - Set 4-byte address mode using
* SPINOR_OP_WREN followed by SPINOR_OP_EN4B or SPINOR_OP_EX4B. Typically used
* by 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 spi_nor_set_4byte_addr_mode_wren_en4b_ex4b(struct spi_nor *nor, bool enable)
{
int ret;

3
drivers/mtd/spi-nor/core.h
View file

@ -648,7 +648,8 @@ void spi_nor_spimem_setup_op(const struct spi_nor *nor,
int spi_nor_write_enable(struct spi_nor *nor);
int spi_nor_write_disable(struct spi_nor *nor);
int spi_nor_set_4byte_addr_mode(struct spi_nor *nor, bool enable);
int micron_st_nor_set_4byte_addr_mode(struct spi_nor *nor, bool enable);
int spi_nor_set_4byte_addr_mode_wren_en4b_ex4b(struct spi_nor *nor,
bool enable);
int spi_nor_wait_till_ready(struct spi_nor *nor);
int spi_nor_global_block_unlock(struct spi_nor *nor);
int spi_nor_prep_and_lock(struct spi_nor *nor);

2
drivers/mtd/spi-nor/micron-st.c
View file

@ -425,7 +425,7 @@ static void micron_st_nor_default_init(struct spi_nor *nor)
nor->flags |= SNOR_F_HAS_LOCK;
nor->flags &= ~SNOR_F_HAS_16BIT_SR;
nor->params->quad_enable = NULL;
nor->params->set_4byte_addr_mode = micron_st_nor_set_4byte_addr_mode;
nor->params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode_wren_en4b_ex4b;
}
static void micron_st_nor_late_init(struct spi_nor *nor)