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mtd: spi-nor: core: Update name and description of spi_nor_set_4byte_addr_mode

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Rename method to spi_nor_set_4byte_addr_mode_en4b_ex4b and extend its
description. This method is described in JESD216 BFPT[SFDP_DWORD(16)],
BIT(31) and BIT(23).

Reviewed-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/20230331074606.3559258-5-tudor.ambarus@linaro.org
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
This commit is contained in:
Tudor Ambarus 2023-03-31 07:46:00 +00:00
parent f1f1976224
commit d75c22f376
No known key found for this signature in database
GPG Key ID: 4B554F47A58D14E9
4 changed files with 8 additions and 6 deletions
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8
drivers/mtd/spi-nor/core.c
View File

@ -508,14 +508,16 @@ int spi_nor_read_cr(struct spi_nor *nor, u8 *cr)
} }
/** /**
* spi_nor_set_4byte_addr_mode() - Enter/Exit 4-byte address mode. * spi_nor_set_4byte_addr_mode_en4b_ex4b() - Enter/Exit 4-byte address mode
* using SPINOR_OP_EN4B/SPINOR_OP_EX4B. Typically used by
* Winbond and Macronix.
* @nor: pointer to 'struct spi_nor'. * @nor: pointer to 'struct spi_nor'.
* @enable: true to enter the 4-byte address mode, false to exit the 4-byte * @enable: true to enter the 4-byte address mode, false to exit the 4-byte
* address mode. * address mode.
* *
* Return: 0 on success, -errno otherwise. * Return: 0 on success, -errno otherwise.
*/ */
int spi_nor_set_4byte_addr_mode(struct spi_nor *nor, bool enable) int spi_nor_set_4byte_addr_mode_en4b_ex4b(struct spi_nor *nor, bool enable)
{ {
int ret; int ret;
@ -556,7 +558,7 @@ int spi_nor_set_4byte_addr_mode_wren_en4b_ex4b(struct spi_nor *nor, bool enable)
if (ret) if (ret)
return ret; return ret;
ret = spi_nor_set_4byte_addr_mode(nor, enable); ret = spi_nor_set_4byte_addr_mode_en4b_ex4b(nor, enable);
if (ret) if (ret)
return ret; return ret;

2
drivers/mtd/spi-nor/core.h
View File

@ -647,7 +647,7 @@ void spi_nor_spimem_setup_op(const struct spi_nor *nor,
const enum spi_nor_protocol proto); const enum spi_nor_protocol proto);
int spi_nor_write_enable(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_write_disable(struct spi_nor *nor);
int spi_nor_set_4byte_addr_mode(struct spi_nor *nor, bool enable); int spi_nor_set_4byte_addr_mode_en4b_ex4b(struct spi_nor *nor, bool enable);
int spi_nor_set_4byte_addr_mode_wren_en4b_ex4b(struct spi_nor *nor, int spi_nor_set_4byte_addr_mode_wren_en4b_ex4b(struct spi_nor *nor,
bool enable); bool enable);
int spi_nor_wait_till_ready(struct spi_nor *nor); int spi_nor_wait_till_ready(struct spi_nor *nor);

2
drivers/mtd/spi-nor/macronix.c
View File

@ -108,7 +108,7 @@ static const struct flash_info macronix_nor_parts[] = {
static void macronix_nor_default_init(struct spi_nor *nor) static void macronix_nor_default_init(struct spi_nor *nor)
{ {
nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable; nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable;
nor->params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode; nor->params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode_en4b_ex4b;
} }
static const struct spi_nor_fixups macronix_nor_fixups = { static const struct spi_nor_fixups macronix_nor_fixups = {

2
drivers/mtd/spi-nor/winbond.c
View File

@ -188,7 +188,7 @@ static int winbond_nor_set_4byte_addr_mode(struct spi_nor *nor, bool enable)
{ {
int ret; int ret;
ret = spi_nor_set_4byte_addr_mode(nor, enable); ret = spi_nor_set_4byte_addr_mode_en4b_ex4b(nor, enable);
if (ret || enable) if (ret || enable)
return ret; return ret;