1 files changed, 4 insertions, 8 deletions

diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c
index 43d46e424040..3ffe05db4923 100644
--- a/drivers/mtd/nand/au1550nd.c
+++ b/drivers/mtd/nand/au1550nd.c
@@ -451,7 +451,7 @@ static int __init au1xxx_nand_init(void)
         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;
@@ -460,10 +460,6 @@ static int __init au1xxx_nand_init(void)
         /* 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;
@@ -544,7 +540,7 @@ static int __init au1xxx_nand_init(void)
         }
         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)
@@ -589,7 +585,7 @@ static int __init au1xxx_nand_init(void)
         return 0;
 
  outio:
-        iounmap((void *)p_nand);
+        iounmap(p_nand);
 
  outmem:
         kfree(au1550_mtd);
@@ -610,7 +606,7 @@ static void __exit au1550_cleanup(void)
         kfree(au1550_mtd);
 
         /* Unmap */
-        iounmap((void *)p_nand);
+        iounmap(p_nand);
 }
 
 module_exit(au1550_cleanup);