u32 nand_phys;
/* Allocate memory for MTD device structure and private data */
- au1550_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
+ au1550_mtd = kzalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
if (!au1550_mtd) {
printk("Unable to allocate NAND MTD dev structure.\n");
return -ENOMEM;
/* Get pointer to private data */
this = (struct nand_chip *)(&au1550_mtd[1]);
- /* Initialize structures */
- memset(au1550_mtd, 0, sizeof(struct mtd_info));
- memset(this, 0, sizeof(struct nand_chip));
-
/* Link the private data with the MTD structure */
au1550_mtd->priv = this;
au1550_mtd->owner = THIS_MODULE;
}
nand_phys = (mem_staddr << 4) & 0xFFFC0000;
- p_nand = (void __iomem *)ioremap(nand_phys, 0x1000);
+ p_nand = ioremap(nand_phys, 0x1000);
/* make controller and MTD agree */
if (NAND_CS == 0)
return 0;
outio:
- iounmap((void *)p_nand);
+ iounmap(p_nand);
outmem:
kfree(au1550_mtd);
kfree(au1550_mtd);
/* Unmap */
- iounmap((void *)p_nand);
+ iounmap(p_nand);
}
module_exit(au1550_cleanup);