/*
* Common code to handle absent "placeholder" devices
* Copyright 2001 Resilience Corporation <ebrower@resilience.com>
- * $Id: map_absent.c,v 1.5 2004/11/16 18:29:00 dwmw2 Exp $
+ * $Id: map_absent.c,v 1.6 2005/11/07 11:14:23 gleixner Exp $
*
* This map driver is used to allocate "placeholder" MTD
- * devices on systems that have socketed/removable media.
- * Use of this driver as a fallback preserves the expected
+ * devices on systems that have socketed/removable media.
+ * Use of this driver as a fallback preserves the expected
* registration of MTD device nodes regardless of probe outcome.
* A usage example is as follows:
*
{
struct mtd_info *mtd;
- mtd = kmalloc(sizeof(*mtd), GFP_KERNEL);
+ mtd = kzalloc(sizeof(*mtd), GFP_KERNEL);
if (!mtd) {
return NULL;
}
- memset(mtd, 0, sizeof(*mtd));
-
map->fldrv = &map_absent_chipdrv;
mtd->priv = map;
mtd->name = map->name;
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;
static int map_absent_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf)
{
*retlen = 0;
- return -ENODEV;
+ return -ENODEV;
}
static int map_absent_erase(struct mtd_info *mtd, struct erase_info *instr)