/* 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 registration of MTD device nodes regardless of probe outcome. A usage example is as follows:  */
static int map_absent_read(struct mtd_info *, loff_t, size_t, size_t *, u_char *)
/* 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 registration of MTD device nodes regardless of probe outcome. A usage example is as follows:  */
static int map_absent_read(struct mtd_info *, loff_t, size_t, size_t *, u_char *)
{
	*retlen = 0;
	return -ENODEV;
}