11 files changed, 13 insertions, 2 deletions

diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 0d435814aaa1..39edb8250fbc 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -357,6 +357,7 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary)
         mtd->resume  = cfi_intelext_resume;
         mtd->flags   = MTD_CAP_NORFLASH;
         mtd->name    = map->name;
+        mtd->writesize = 1;
 
         mtd->reboot_notifier.notifier_call = cfi_intelext_reboot;
 
diff --git a/drivers/mtd/chips/jedec.c b/drivers/mtd/chips/jedec.c
index c40b48dabed3..2c3f019197c1 100644
--- a/drivers/mtd/chips/jedec.c
+++ b/drivers/mtd/chips/jedec.c
@@ -256,6 +256,7 @@ static struct mtd_info *jedec_probe(struct map_info *map)
    MTD->name = map->name;
    MTD->type = MTD_NORFLASH;
    MTD->flags = MTD_CAP_NORFLASH;
+   MTD->writesize = 1;
    MTD->erasesize = SectorSize*(map->buswidth);
    //   printk("MTD->erasesize is %x\n",(unsigned int)MTD->erasesize);
    MTD->size = priv->size;
diff --git a/drivers/mtd/chips/map_absent.c b/drivers/mtd/chips/map_absent.c
index a611de9b1515..ac01a949b687 100644
--- a/drivers/mtd/chips/map_absent.c
+++ b/drivers/mtd/chips/map_absent.c
@@ -64,7 +64,8 @@ static struct mtd_info *map_absent_probe(struct map_info *map)
         mtd->write      = map_absent_write;
         mtd->sync       = map_absent_sync;
         mtd->flags      = 0;
-        mtd->erasesize = PAGE_SIZE;
+        mtd->erasesize  = PAGE_SIZE;
+        mtd->writesize  = 1;
 
         __module_get(THIS_MODULE);
         return mtd;
diff --git a/drivers/mtd/chips/map_ram.c b/drivers/mtd/chips/map_ram.c
index 763925747db6..3a66680abfd0 100644
--- a/drivers/mtd/chips/map_ram.c
+++ b/drivers/mtd/chips/map_ram.c
@@ -71,6 +71,7 @@ static struct mtd_info *map_ram_probe(struct map_info *map)
         mtd->write = mapram_write;
         mtd->sync = mapram_nop;
         mtd->flags = MTD_CAP_RAM;
+        mtd->writesize = 1;
 
         mtd->erasesize = PAGE_SIZE;
         while(mtd->size & (mtd->erasesize - 1))
diff --git a/drivers/mtd/chips/map_rom.c b/drivers/mtd/chips/map_rom.c
index bc6ee9ef8a31..1b328b1378fd 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;
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index 0d98c223c5fc..be3f1c136d02 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -324,6 +324,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
 
         dev->mtd.size = dev->blkdev->bd_inode->i_size & PAGE_MASK;
         dev->mtd.erasesize = erase_size;
+        dev->mtd.writesize = 1;
         dev->mtd.type = MTD_RAM;
         dev->mtd.flags = MTD_CAP_RAM;
         dev->mtd.erase = block2mtd_erase;
diff --git a/drivers/mtd/devices/ms02-nv.c b/drivers/mtd/devices/ms02-nv.c
index 4ab7670770e4..08dfb899b272 100644
--- a/drivers/mtd/devices/ms02-nv.c
+++ b/drivers/mtd/devices/ms02-nv.c
@@ -225,6 +225,7 @@ static int __init ms02nv_init_one(ulong addr)
         mtd->owner = THIS_MODULE;
         mtd->read = ms02nv_read;
         mtd->write = ms02nv_write;
+        mtd->writesize = 1;
 
         ret = -EIO;
         if (add_mtd_device(mtd)) {
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index a19480d07888..04271d02b6b6 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -478,6 +478,7 @@ add_dataflash(struct spi_device *spi, char *name,
         device->name = (pdata && pdata->name) ? pdata->name : priv->name;
         device->size = nr_pages * pagesize;
         device->erasesize = pagesize;
+        device->writesize = pagesize;
         device->owner = THIS_MODULE;
         device->type = MTD_DATAFLASH;
         device->flags = MTD_CAP_NORFLASH;
diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c
index e09e416667d3..6c7337f9ebbb 100644
--- a/drivers/mtd/devices/phram.c
+++ b/drivers/mtd/devices/phram.c
@@ -151,6 +151,7 @@ static int register_device(char *name, unsigned long start, unsigned long len)
         new->mtd.owner = THIS_MODULE;
         new->mtd.type = MTD_RAM;
         new->mtd.erasesize = PAGE_SIZE;
+        new->mtd.writesize = 1;
 
         ret = -EAGAIN;
         if (add_mtd_device(&new->mtd)) {
diff --git a/drivers/mtd/devices/pmc551.c b/drivers/mtd/devices/pmc551.c
index 666cce1bf60c..f620d74f1004 100644
--- a/drivers/mtd/devices/pmc551.c
+++ b/drivers/mtd/devices/pmc551.c
@@ -778,7 +778,8 @@ static int __init init_pmc551(void)
                 mtd->type       = MTD_RAM;
                 mtd->name       = "PMC551 RAM board";
                 mtd->erasesize  = 0x10000;
-                mtd->owner = THIS_MODULE;
+                mtd->writesize  = 1;
+                mtd->owner = THIS_MODULE;
 
                 if (add_mtd_device(mtd)) {
                         printk(KERN_NOTICE "pmc551: Failed to register new device\n");
diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c
index b3f665e3c38b..542a0c009006 100644
--- a/drivers/mtd/devices/slram.c
+++ b/drivers/mtd/devices/slram.c
@@ -209,6 +209,7 @@ static int register_device(char *name, unsigned long start, unsigned long length
         (*curmtd)->mtdinfo->owner = THIS_MODULE;
         (*curmtd)->mtdinfo->type = MTD_RAM;
         (*curmtd)->mtdinfo->erasesize = SLRAM_BLK_SZ;
+        (*curmtd)->mtdinfo->writesize = 1;
 
         if (add_mtd_device((*curmtd)->mtdinfo)) {
                 E("slram: Failed to register new device\n");