3 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mtd/devices/lart.c b/drivers/mtd/devices/lart.c
index 29b0ddaa324..4ea50a1dda8 100644
--- a/drivers/mtd/devices/lart.c
+++ b/drivers/mtd/devices/lart.c
@@ -635,6 +635,7 @@ int __init lart_flash_init (void)
    printk ("%s: This looks like a LART board to me.\n",module_name);
    mtd.name = module_name;
    mtd.type = MTD_NORFLASH;
+   mtd.writesize = 1;
    mtd.flags = MTD_CAP_NORFLASH;
    mtd.size = FLASH_BLOCKSIZE_PARAM * FLASH_NUMBLOCKS_16m_PARAM + FLASH_BLOCKSIZE_MAIN * FLASH_NUMBLOCKS_16m_MAIN;
    mtd.erasesize = FLASH_BLOCKSIZE_MAIN;
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 04e65d5dae0..a8466141e91 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -465,6 +465,7 @@ static int __devinit m25p_probe(struct spi_device *spi)
 		flash->mtd.name = spi->dev.bus_id;
 
 	flash->mtd.type = MTD_NORFLASH;
+	flash->mtd.writesize = 1;
 	flash->mtd.flags = MTD_CAP_NORFLASH;
 	flash->mtd.size = info->sector_size * info->n_sectors;
 	flash->mtd.erasesize = info->sector_size;
diff --git a/drivers/mtd/devices/mtdram.c b/drivers/mtd/devices/mtdram.c
index f284c9670be..8ab4b931215 100644
--- a/drivers/mtd/devices/mtdram.c
+++ b/drivers/mtd/devices/mtdram.c
@@ -106,6 +106,7 @@ int mtdram_init_device(struct mtd_info *mtd, void *mapped_address,
 	mtd->type = MTD_GENERIC_TYPE;
 	mtd->flags = MTD_CAP_RAM;
 	mtd->size = size;
+	mtd->writesize = 1;
 	mtd->erasesize = MTDRAM_ERASE_SIZE;
 	mtd->priv = mapped_address;