It is now unused.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Reviewed-by: Richard Weinberger <richard@nod.at>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Tested-by: Chris Brandt <chris.brandt@renesas.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
static int mapram_erase (struct mtd_info *, struct erase_info *);
static void mapram_nop (struct mtd_info *);
static struct mtd_info *map_ram_probe(struct map_info *map);
-static unsigned long mapram_unmapped_area(struct mtd_info *, unsigned long,
- unsigned long, unsigned long);
static int mapram_point (struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, void **virt, resource_size_t *phys);
static int mapram_unpoint(struct mtd_info *mtd, loff_t from, size_t len);
mtd->type = MTD_RAM;
mtd->size = map->size;
mtd->_erase = mapram_erase;
- mtd->_get_unmapped_area = mapram_unmapped_area;
mtd->_read = mapram_read;
mtd->_write = mapram_write;
mtd->_panic_write = mapram_write;
return mtd;
}
-
-/*
- * Allow NOMMU mmap() to directly map the device (if not NULL)
- * - return the address to which the offset maps
- * - return -ENOSYS to indicate refusal to do the mapping
- */
-static unsigned long mapram_unmapped_area(struct mtd_info *mtd,
- unsigned long len,
- unsigned long offset,
- unsigned long flags)
-{
- struct map_info *map = mtd->priv;
- return (unsigned long) map->virt + offset;
-}
-
static int mapram_point(struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, void **virt, resource_size_t *phys)
{
static void maprom_nop (struct mtd_info *);
static struct mtd_info *map_rom_probe(struct map_info *map);
static int maprom_erase (struct mtd_info *mtd, struct erase_info *info);
-static unsigned long maprom_unmapped_area(struct mtd_info *, unsigned long,
- unsigned long, unsigned long);
static int maprom_point (struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, void **virt, resource_size_t *phys);
static int maprom_unpoint(struct mtd_info *mtd, loff_t from, size_t len);
mtd->name = map->name;
mtd->type = MTD_ROM;
mtd->size = map->size;
- mtd->_get_unmapped_area = maprom_unmapped_area;
mtd->_point = maprom_point;
mtd->_unpoint = maprom_unpoint;
mtd->_read = maprom_read;
}
-/*
- * Allow NOMMU mmap() to directly map the device (if not NULL)
- * - return the address to which the offset maps
- * - return -ENOSYS to indicate refusal to do the mapping
- */
-static unsigned long maprom_unmapped_area(struct mtd_info *mtd,
- unsigned long len,
- unsigned long offset,
- unsigned long flags)
-{
- struct map_info *map = mtd->priv;
- return (unsigned long) map->virt + offset;
-}
-
static int maprom_point(struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, void **virt, resource_size_t *phys)
{
return 0;
}
-/*
- * Allow NOMMU mmap() to directly map the device (if not NULL)
- * - return the address to which the offset maps
- * - return -ENOSYS to indicate refusal to do the mapping
- */
-static unsigned long ram_get_unmapped_area(struct mtd_info *mtd,
- unsigned long len,
- unsigned long offset,
- unsigned long flags)
-{
- return (unsigned long) mtd->priv + offset;
-}
-
static int ram_read(struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, u_char *buf)
{
mtd->_erase = ram_erase;
mtd->_point = ram_point;
mtd->_unpoint = ram_unpoint;
- mtd->_get_unmapped_area = ram_get_unmapped_area;
mtd->_read = ram_read;
mtd->_write = ram_write;
}
/*
- * try to support NOMMU mmaps on concatenated devices
- * - we don't support subdev spanning as we can't guarantee it'll work
- */
-static unsigned long concat_get_unmapped_area(struct mtd_info *mtd,
- unsigned long len,
- unsigned long offset,
- unsigned long flags)
-{
- struct mtd_concat *concat = CONCAT(mtd);
- int i;
-
- for (i = 0; i < concat->num_subdev; i++) {
- struct mtd_info *subdev = concat->subdev[i];
-
- if (offset >= subdev->size) {
- offset -= subdev->size;
- continue;
- }
-
- return mtd_get_unmapped_area(subdev, len, offset, flags);
- }
-
- return (unsigned long) -ENOSYS;
-}
-
-/*
* This function constructs a virtual MTD device by concatenating
* num_devs MTD devices. A pointer to the new device object is
* stored to *new_dev upon success. This function does _not_
concat->mtd._unlock = concat_unlock;
concat->mtd._suspend = concat_suspend;
concat->mtd._resume = concat_resume;
- concat->mtd._get_unmapped_area = concat_get_unmapped_area;
/*
* Combine the erase block size info of the subdevices:
return part->parent->_unpoint(part->parent, from + part->offset, len);
}
-static unsigned long part_get_unmapped_area(struct mtd_info *mtd,
- unsigned long len,
- unsigned long offset,
- unsigned long flags)
-{
- struct mtd_part *part = mtd_to_part(mtd);
-
- offset += part->offset;
- return part->parent->_get_unmapped_area(part->parent, len, offset,
- flags);
-}
-
static int part_read_oob(struct mtd_info *mtd, loff_t from,
struct mtd_oob_ops *ops)
{
slave->mtd._unpoint = part_unpoint;
}
- if (parent->_get_unmapped_area)
- slave->mtd._get_unmapped_area = part_get_unmapped_area;
if (parent->_read_oob)
slave->mtd._read_oob = part_read_oob;
if (parent->_write_oob)
int (*_point) (struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, void **virt, resource_size_t *phys);
int (*_unpoint) (struct mtd_info *mtd, loff_t from, size_t len);
- unsigned long (*_get_unmapped_area) (struct mtd_info *mtd,
- unsigned long len,
- unsigned long offset,
- unsigned long flags);
int (*_read) (struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, u_char *buf);
int (*_write) (struct mtd_info *mtd, loff_t to, size_t len,