mtd: nand: pasemi: use the mtd instance embedded in struct nand_chip
authorBoris BREZILLON <boris.brezillon@free-electrons.com>
Thu, 10 Dec 2015 08:00:18 +0000 (09:00 +0100)
committerBrian Norris <computersforpeace@gmail.com>
Fri, 18 Dec 2015 18:54:41 +0000 (10:54 -0800)
struct nand_chip now embeds an mtd device. Make use of this mtd instance.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
drivers/mtd/nand/pasemi_nand.c

index 0ececac..4dd2985 100644 (file)
@@ -110,17 +110,15 @@ static int pasemi_nand_probe(struct platform_device *ofdev)
        pr_debug("pasemi_nand at %pR\n", &res);
 
        /* Allocate memory for MTD device structure and private data */
-       pasemi_nand_mtd = kzalloc(sizeof(struct mtd_info) +
-                                 sizeof(struct nand_chip), GFP_KERNEL);
-       if (!pasemi_nand_mtd) {
+       chip = kzalloc(sizeof(struct nand_chip), GFP_KERNEL);
+       if (!chip) {
                printk(KERN_WARNING
                       "Unable to allocate PASEMI NAND MTD device structure\n");
                err = -ENOMEM;
                goto out;
        }
 
-       /* Get pointer to private data */
-       chip = (struct nand_chip *)&pasemi_nand_mtd[1];
+       pasemi_nand_mtd = nand_to_mtd(chip);
 
        /* Link the private data with the MTD structure */
        pasemi_nand_mtd->priv = chip;
@@ -180,7 +178,7 @@ static int pasemi_nand_probe(struct platform_device *ofdev)
  out_ior:
        iounmap(chip->IO_ADDR_R);
  out_mtd:
-       kfree(pasemi_nand_mtd);
+       kfree(chip);
  out:
        return err;
 }
@@ -202,7 +200,7 @@ static int pasemi_nand_remove(struct platform_device *ofdev)
        iounmap(chip->IO_ADDR_R);
 
        /* Free the MTD device structure */
-       kfree(pasemi_nand_mtd);
+       kfree(chip);
 
        pasemi_nand_mtd = NULL;