diff options
| author | David S. Miller <davem@davemloft.net> | 2015-03-03 21:16:48 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-03-03 21:16:48 -0500 |
| commit | 71a83a6db6138b9d41d8a0b6b91cb59f6dc4742c (patch) | |
| tree | f74b6e4e48257ec6ce40b95645ecb8533b9cc1f8 /drivers/mtd/chips/map_rom.c | |
| parent | b97526f3ff95f92b107f0fb52cbb8627e395429b (diff) | |
| parent | a6c5170d1edea97c538c81e377e56c7b5c5b7e63 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/rocker/rocker.c
The rocker commit was two overlapping changes, one to rename
the ->vport member to ->pport, and another making the bitmask
expression use '1ULL' instead of plain '1'.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/mtd/chips/map_rom.c')
| -rw-r--r-- | drivers/mtd/chips/map_rom.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/mtd/chips/map_rom.c b/drivers/mtd/chips/map_rom.c index 47a43cf7e5c6..e67f73ab44c9 100644 --- a/drivers/mtd/chips/map_rom.c +++ b/drivers/mtd/chips/map_rom.c @@ -11,6 +11,7 @@ #include <linux/errno.h> #include <linux/slab.h> #include <linux/init.h> +#include <linux/of.h> #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> @@ -28,6 +29,15 @@ static struct mtd_chip_driver maprom_chipdrv = { .module = THIS_MODULE }; +static unsigned int default_erasesize(struct map_info *map) +{ + const __be32 *erase_size = NULL; + + erase_size = of_get_property(map->device_node, "erase-size", NULL); + + return !erase_size ? map->size : be32_to_cpu(*erase_size); +} + static struct mtd_info *map_rom_probe(struct map_info *map) { struct mtd_info *mtd; @@ -47,8 +57,9 @@ static struct mtd_info *map_rom_probe(struct map_info *map) mtd->_sync = maprom_nop; mtd->_erase = maprom_erase; mtd->flags = MTD_CAP_ROM; - mtd->erasesize = map->size; + mtd->erasesize = default_erasesize(map); mtd->writesize = 1; + mtd->writebufsize = 1; __module_get(THIS_MODULE); return mtd; |