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-rw-r--r--drivers/mtd/chips/map_rom.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mtd/chips/map_rom.c b/drivers/mtd/chips/map_rom.c
index bc6ee9ef8a31a..1b328b1378fda 100644
--- a/drivers/mtd/chips/map_rom.c
+++ b/drivers/mtd/chips/map_rom.c
@@ -47,6 +47,7 @@ static struct mtd_info *map_rom_probe(struct map_info *map)
mtd->sync = maprom_nop;
mtd->flags = MTD_CAP_ROM;
mtd->erasesize = map->size;
+ mtd->writesize = 1;
__module_get(THIS_MODULE);
return mtd;