mtd: nand: fsl_elbc: use the mtd instance embedded in struct nand_chip

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>

diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index ad6d5da..7bde76a 100644 (file)
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -48,7 +48,6 @@
 /* mtd information per set */
 
 struct fsl_elbc_mtd {
-       struct mtd_info mtd;
        struct nand_chip chip;
        struct fsl_lbc_ctrl *ctrl;
 
@@ -742,12 +741,13 @@ static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv)
        struct fsl_lbc_regs __iomem *lbc = ctrl->regs;
        struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = ctrl->nand;
        struct nand_chip *chip = &priv->chip;
+       struct mtd_info *mtd = nand_to_mtd(chip);
 
        dev_dbg(priv->dev, "eLBC Set Information for bank %d\n", priv->bank);
 
        /* Fill in fsl_elbc_mtd structure */
-       priv->mtd.priv = chip;
-       priv->mtd.dev.parent = priv->dev;
+       mtd->priv = chip;
+       mtd->dev.parent = priv->dev;
        nand_set_flash_node(chip, priv->dev->of_node);
 
        /* set timeout to maximum */
@@ -798,9 +798,11 @@ static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv)
 static int fsl_elbc_chip_remove(struct fsl_elbc_mtd *priv)
 {
        struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = priv->ctrl->nand;
-       nand_release(&priv->mtd);
+       struct mtd_info *mtd = nand_to_mtd(&priv->chip);
 
-       kfree(priv->mtd.name);
+       nand_release(mtd);
+
+       kfree(mtd->name);
 
        if (priv->vbase)
                iounmap(priv->vbase);
@@ -824,6 +826,7 @@ static int fsl_elbc_nand_probe(struct platform_device *pdev)
        int bank;
        struct device *dev;
        struct device_node *node = pdev->dev.of_node;
+       struct mtd_info *mtd;
 
        if (!fsl_lbc_ctrl_dev || !fsl_lbc_ctrl_dev->regs)
                return -ENODEV;
@@ -886,8 +889,9 @@ static int fsl_elbc_nand_probe(struct platform_device *pdev)
                goto err;
        }
 
-       priv->mtd.name = kasprintf(GFP_KERNEL, "%llx.flash", (u64)res.start);
-       if (!priv->mtd.name) {
+       mtd = nand_to_mtd(&priv->chip);
+       mtd->name = kasprintf(GFP_KERNEL, "%llx.flash", (u64)res.start);
+       if (!nand_to_mtd(&priv->chip)->name) {
                ret = -ENOMEM;
                goto err;
        }
@@ -896,21 +900,21 @@ static int fsl_elbc_nand_probe(struct platform_device *pdev)
        if (ret)
                goto err;
 
-       ret = nand_scan_ident(&priv->mtd, 1, NULL);
+       ret = nand_scan_ident(mtd, 1, NULL);
        if (ret)
                goto err;
 
-       ret = fsl_elbc_chip_init_tail(&priv->mtd);
+       ret = fsl_elbc_chip_init_tail(mtd);
        if (ret)
                goto err;
 
-       ret = nand_scan_tail(&priv->mtd);
+       ret = nand_scan_tail(mtd);
        if (ret)
                goto err;
 
        /* First look for RedBoot table or partitions on the command
         * line, these take precedence over device tree information */
-       mtd_device_parse_register(&priv->mtd, part_probe_types, NULL,
+       mtd_device_parse_register(mtd, part_probe_types, NULL,
                                  NULL, 0);
 
        printk(KERN_INFO "eLBC NAND device at 0x%llx, bank %d\n",