mirror of https://gitee.com/openkylin/linux.git
[MTD] Restore MTD_ROM and MTD_RAM types
Let's not attempt the abolition of mtd->type until/unless it's properly thought through. And certainly, let's not do it by halves. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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@ -64,7 +64,7 @@ static struct mtd_info *map_ram_probe(struct map_info *map)
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map->fldrv = &mapram_chipdrv;
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mtd->priv = map;
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mtd->name = map->name;
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mtd->type = MTD_GENERIC_TYPE;
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mtd->type = MTD_RAM;
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mtd->size = map->size;
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mtd->erase = mapram_erase;
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mtd->read = mapram_read;
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@ -40,7 +40,7 @@ static struct mtd_info *map_rom_probe(struct map_info *map)
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map->fldrv = &maprom_chipdrv;
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mtd->priv = map;
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mtd->name = map->name;
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mtd->type = MTD_GENERIC_TYPE;
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mtd->type = MTD_ROM;
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mtd->size = map->size;
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mtd->read = maprom_read;
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mtd->write = maprom_write;
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@ -324,7 +324,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
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dev->mtd.size = dev->blkdev->bd_inode->i_size & PAGE_MASK;
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dev->mtd.erasesize = erase_size;
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dev->mtd.type = MTD_GENERIC_TYPE;
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dev->mtd.type = MTD_RAM;
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dev->mtd.flags = MTD_CAP_RAM;
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dev->mtd.erase = block2mtd_erase;
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dev->mtd.write = block2mtd_write;
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@ -218,7 +218,7 @@ static int __init ms02nv_init_one(ulong addr)
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fixsize = (size - (fixaddr - addr)) & ~(PAGE_SIZE - 1);
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mp->uaddr = phys_to_virt(fixaddr);
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mtd->type = MTD_GENERIC_TYPE;
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mtd->type = MTD_RAM;
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mtd->flags = MTD_CAP_RAM;
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mtd->size = fixsize;
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mtd->name = (char *)ms02nv_name;
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@ -103,7 +103,7 @@ int mtdram_init_device(struct mtd_info *mtd, void *mapped_address,
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/* Setup the MTD structure */
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mtd->name = name;
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mtd->type = MTD_GENERIC_TYPE;
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mtd->type = MTD_RAM;
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mtd->flags = MTD_CAP_RAM;
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mtd->size = size;
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mtd->writesize = 1;
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@ -149,7 +149,7 @@ static int register_device(char *name, unsigned long start, unsigned long len)
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new->mtd.read = phram_read;
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new->mtd.write = phram_write;
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new->mtd.owner = THIS_MODULE;
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new->mtd.type = MTD_GENERIC_TYPE;
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new->mtd.type = MTD_RAM;
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new->mtd.erasesize = PAGE_SIZE;
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ret = -EAGAIN;
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@ -775,7 +775,7 @@ static int __init init_pmc551(void)
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mtd->write = pmc551_write;
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mtd->point = pmc551_point;
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mtd->unpoint = pmc551_unpoint;
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mtd->type = MTD_GENERIC_TYPE;
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mtd->type = MTD_RAM;
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mtd->name = "PMC551 RAM board";
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mtd->erasesize = 0x10000;
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mtd->owner = THIS_MODULE;
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@ -207,7 +207,7 @@ static int register_device(char *name, unsigned long start, unsigned long length
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(*curmtd)->mtdinfo->read = slram_read;
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(*curmtd)->mtdinfo->write = slram_write;
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(*curmtd)->mtdinfo->owner = THIS_MODULE;
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(*curmtd)->mtdinfo->type = MTD_GENERIC_TYPE;
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(*curmtd)->mtdinfo->type = MTD_RAM;
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(*curmtd)->mtdinfo->erasesize = SLRAM_BLK_SZ;
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if (add_mtd_device((*curmtd)->mtdinfo)) {
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@ -24,10 +24,11 @@ struct mtd_oob_buf {
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};
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#define MTD_ABSENT 0
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#define MTD_RAM 1
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#define MTD_ROM 2
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#define MTD_NORFLASH 3
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#define MTD_NANDFLASH 4
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#define MTD_DATAFLASH 6
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#define MTD_GENERIC_TYPE 7
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#define MTD_WRITEABLE 0x400 /* Device is writeable */
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#define MTD_BIT_WRITEABLE 0x800 /* Single bits can be flipped */
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