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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 21:00:37 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 21:00:37 +0000 |
commit | 94ac2ab3fff96814d7460a27a0e9d004abbd4128 (patch) | |
tree | 9a4eb8cc234b540b0f4b93363109cdd37a20540b /drivers/mtd/spi-nor/sfdp.c | |
parent | Adding debian version 6.8.12-1. (diff) | |
download | linux-94ac2ab3fff96814d7460a27a0e9d004abbd4128.tar.xz linux-94ac2ab3fff96814d7460a27a0e9d004abbd4128.zip |
Merging upstream version 6.9.2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/mtd/spi-nor/sfdp.c')
-rw-r--r-- | drivers/mtd/spi-nor/sfdp.c | 47 |
1 files changed, 16 insertions, 31 deletions
diff --git a/drivers/mtd/spi-nor/sfdp.c b/drivers/mtd/spi-nor/sfdp.c index 57713de328..5b1117265b 100644 --- a/drivers/mtd/spi-nor/sfdp.c +++ b/drivers/mtd/spi-nor/sfdp.c @@ -389,19 +389,15 @@ static u8 spi_nor_sort_erase_mask(struct spi_nor_erase_map *map, u8 erase_mask) static void spi_nor_regions_sort_erase_types(struct spi_nor_erase_map *map) { struct spi_nor_erase_region *region = map->regions; - u8 region_erase_mask, sorted_erase_mask; + u8 sorted_erase_mask; + unsigned int i; - while (region) { - region_erase_mask = region->offset & SNOR_ERASE_TYPE_MASK; - - sorted_erase_mask = spi_nor_sort_erase_mask(map, - region_erase_mask); + for (i = 0; i < map->n_regions; i++) { + sorted_erase_mask = + spi_nor_sort_erase_mask(map, region[i].erase_mask); /* Overwrite erase mask. */ - region->offset = (region->offset & ~SNOR_ERASE_TYPE_MASK) | - sorted_erase_mask; - - region = spi_nor_region_next(region); + region[i].erase_mask = sorted_erase_mask; } } @@ -554,8 +550,6 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor, * selecting the uniform erase. */ spi_nor_regions_sort_erase_types(map); - map->uniform_erase_type = map->uniform_region.offset & - SNOR_ERASE_TYPE_MASK; /* Stop here if not JESD216 rev A or later. */ if (bfpt_header->length == BFPT_DWORD_MAX_JESD216) @@ -806,16 +800,6 @@ out: return ret; } -static void spi_nor_region_mark_end(struct spi_nor_erase_region *region) -{ - region->offset |= SNOR_LAST_REGION; -} - -static void spi_nor_region_mark_overlay(struct spi_nor_erase_region *region) -{ - region->offset |= SNOR_OVERLAID_REGION; -} - /** * spi_nor_region_check_overlay() - set overlay bit when the region is overlaid * @region: pointer to a structure that describes a SPI NOR erase region @@ -833,7 +817,7 @@ spi_nor_region_check_overlay(struct spi_nor_erase_region *region, if (!(erase[i].size && erase_type & BIT(erase[i].idx))) continue; if (region->size & erase[i].size_mask) { - spi_nor_region_mark_overlay(region); + region->overlaid = true; return; } } @@ -868,6 +852,7 @@ static int spi_nor_init_non_uniform_erase_map(struct spi_nor *nor, if (!region) return -ENOMEM; map->regions = region; + map->n_regions = region_count; uniform_erase_type = 0xff; regions_erase_type = 0; @@ -875,9 +860,10 @@ static int spi_nor_init_non_uniform_erase_map(struct spi_nor *nor, /* Populate regions. */ for (i = 0; i < region_count; i++) { j = i + 1; /* index for the region dword */ + region[i].offset = offset; region[i].size = SMPT_MAP_REGION_SIZE(smpt[j]); erase_type = SMPT_MAP_REGION_ERASE_TYPE(smpt[j]); - region[i].offset = offset | erase_type; + region[i].erase_mask = erase_type; spi_nor_region_check_overlay(®ion[i], erase, erase_type); @@ -893,21 +879,20 @@ static int spi_nor_init_non_uniform_erase_map(struct spi_nor *nor, */ regions_erase_type |= erase_type; - offset = (region[i].offset & ~SNOR_ERASE_FLAGS_MASK) + - region[i].size; + offset = region[i].offset + region[i].size; } - spi_nor_region_mark_end(®ion[i - 1]); - save_uniform_erase_type = map->uniform_erase_type; - map->uniform_erase_type = spi_nor_sort_erase_mask(map, - uniform_erase_type); + save_uniform_erase_type = map->uniform_region.erase_mask; + map->uniform_region.erase_mask = + spi_nor_sort_erase_mask(map, + uniform_erase_type); if (!regions_erase_type) { /* * Roll back to the previous uniform_erase_type mask, SMPT is * broken. */ - map->uniform_erase_type = save_uniform_erase_type; + map->uniform_region.erase_mask = save_uniform_erase_type; return -EINVAL; } |