/*
* Common code to handle map devices which are simple RAM
* (C) 2000 Red Hat. GPL'd.
- * $Id: map_ram.c,v 1.19 2004/07/12 21:58:44 dwmw2 Exp $
+ * $Id: map_ram.c,v 1.22 2005/01/05 18:05:12 dwmw2 Exp $
*/
#include <linux/module.h>
#endif
/* OK. It seems to be RAM. */
- mtd = kmalloc(sizeof(*mtd), GFP_KERNEL);
+ mtd = kzalloc(sizeof(*mtd), GFP_KERNEL);
if (!mtd)
return NULL;
- memset(mtd, 0, sizeof(*mtd));
-
map->fldrv = &mapram_chipdrv;
mtd->priv = map;
mtd->name = map->name;
mtd->read = mapram_read;
mtd->write = mapram_write;
mtd->sync = mapram_nop;
- mtd->flags = MTD_CAP_RAM | MTD_VOLATILE;
+ mtd->flags = MTD_CAP_RAM;
+ mtd->writesize = 1;
mtd->erasesize = PAGE_SIZE;
while(mtd->size & (mtd->erasesize - 1))
static int mapram_read (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf)
{
- struct map_info *map = (struct map_info *)mtd->priv;
+ struct map_info *map = mtd->priv;
map_copy_from(map, buf, from, len);
*retlen = len;
static int mapram_write (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf)
{
- struct map_info *map = (struct map_info *)mtd->priv;
+ struct map_info *map = mtd->priv;
map_copy_to(map, to, buf, len);
*retlen = len;
{
/* Yeah, it's inefficient. Who cares? It's faster than a _real_
flash erase. */
- struct map_info *map = (struct map_info *)mtd->priv;
+ struct map_info *map = mtd->priv;
map_word allff;
unsigned long i;
instr->state = MTD_ERASE_DONE;
- if (instr->callback)
- instr->callback(instr);
+ mtd_erase_callback(instr);
return 0;
}
/* Nothing to see here */
}
-int __init map_ram_init(void)
+static int __init map_ram_init(void)
{
register_mtd_chip_driver(&mapram_chipdrv);
return 0;