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mtd: spi-nor: move spi_nor_post_bfpt_fixups() into sfdp

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Move spi_nor_post_bfpt_fixups() into the sfdp module because it's
really only needed there. While at it, add some documentation.

Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Michael Walle <mwalle@kernel.org>
This commit is contained in:
Michael Walle 2026-07-13 11:11:43 +02:00
parent 0ede46b4f5
commit 69d9d7dabb
3 changed files with 31 additions and 24 deletions
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20
drivers/mtd/spi-nor/core.c
View File

@ -2581,26 +2581,6 @@ void spi_nor_init_uniform_erase_map(struct spi_nor_erase_map *map,
map->n_regions = 1;
}
int spi_nor_post_bfpt_fixups(struct spi_nor *nor,
const struct sfdp_parameter_header *bfpt_header,
const struct sfdp_bfpt *bfpt)
{
int ret;
if (nor->manufacturer && nor->manufacturer->fixups &&
nor->manufacturer->fixups->post_bfpt) {
ret = nor->manufacturer->fixups->post_bfpt(nor, bfpt_header,
bfpt);
if (ret)
return ret;
}
if (nor->info->fixups && nor->info->fixups->post_bfpt)
return nor->info->fixups->post_bfpt(nor, bfpt_header, bfpt);
return 0;
}
static int spi_nor_select_read(struct spi_nor *nor,
u32 shared_hwcaps)
{

4
drivers/mtd/spi-nor/core.h
View File

@ -684,10 +684,6 @@ void spi_nor_mask_erase_type(struct spi_nor_erase_type *erase);
void spi_nor_init_uniform_erase_map(struct spi_nor_erase_map *map,
u8 erase_mask, u64 flash_size);
int spi_nor_post_bfpt_fixups(struct spi_nor *nor,
const struct sfdp_parameter_header *bfpt_header,
const struct sfdp_bfpt *bfpt);
void spi_nor_init_default_locking_ops(struct spi_nor *nor);
bool spi_nor_has_default_locking_ops(struct spi_nor *nor);
void spi_nor_try_unlock_all(struct spi_nor *nor);

31
drivers/mtd/spi-nor/sfdp.c
View File

@ -401,6 +401,37 @@ static void spi_nor_regions_sort_erase_types(struct spi_nor_erase_map *map)
}
}
/**
* spi_nor_post_bfpt_fixups() - Updates the flash's parameters and settings
* after BFPT has been parsed. Called only for flashes that define JESD216 SFDP
* tables.
* @nor: pointer to a 'struct spi_nor'
* @bfpt_header: pointer to the 'struct sfdp_parameter_header' describing
* the Basic Flash Parameter Table length and version
*
* Used to tweak various flash parameters when information provided by the SFDP
* tables are wrong.
*/
static int spi_nor_post_bfpt_fixups(struct spi_nor *nor,
const struct sfdp_parameter_header *bfpt_header,
const struct sfdp_bfpt *bfpt)
{
int ret;
if (nor->manufacturer && nor->manufacturer->fixups &&
nor->manufacturer->fixups->post_bfpt) {
ret = nor->manufacturer->fixups->post_bfpt(nor, bfpt_header,
bfpt);
if (ret)
return ret;
}
if (nor->info->fixups && nor->info->fixups->post_bfpt)
return nor->info->fixups->post_bfpt(nor, bfpt_header, bfpt);
return 0;
}
/**
* spi_nor_parse_bfpt() - read and parse the Basic Flash Parameter Table.
* @nor: pointer to a 'struct spi_nor'