mtd: nand: s3c2410: 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>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index e658b2988acfd1115df405870b16e3585846a067..c074a491d087ff596dafd11899fe62635c3f4868 100644 (file)
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -104,7 +104,6 @@ struct s3c2410_nand_info;
  * @scan_res: The result from calling nand_scan_ident().
 */
 struct s3c2410_nand_mtd {
-       struct mtd_info                 mtd;
        struct nand_chip                chip;
        struct s3c2410_nand_set         *set;
        struct s3c2410_nand_info        *info;
@@ -168,7 +167,8 @@ struct s3c2410_nand_info {
 
 static struct s3c2410_nand_mtd *s3c2410_nand_mtd_toours(struct mtd_info *mtd)
 {
-       return container_of(mtd, struct s3c2410_nand_mtd, mtd);
+       return container_of(mtd_to_nand(mtd), struct s3c2410_nand_mtd,
+                           chip);
 }
 
 static struct s3c2410_nand_info *s3c2410_nand_mtd_toinfo(struct mtd_info *mtd)
@@ -745,7 +745,7 @@ static int s3c24xx_nand_remove(struct platform_device *pdev)
 
                for (mtdno = 0; mtdno < info->mtd_count; mtdno++, ptr++) {
                        pr_debug("releasing mtd %d (%p)\n", mtdno, ptr);
-                       nand_release(&ptr->mtd);
+                       nand_release(nand_to_mtd(&ptr->chip));
                }
        }
 
@@ -762,9 +762,11 @@ static int s3c2410_nand_add_partition(struct s3c2410_nand_info *info,
                                      struct s3c2410_nand_set *set)
 {
        if (set) {
-               mtd->mtd.name = set->name;
+               struct mtd_info *mtdinfo = nand_to_mtd(&mtd->chip);
 
-               return mtd_device_parse_register(&mtd->mtd, NULL, NULL,
+               mtdinfo->name = set->name;
+
+               return mtd_device_parse_register(mtdinfo, NULL, NULL,
                                         set->partitions, set->nr_partitions);
        }
 
@@ -786,6 +788,7 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info,
                                   struct s3c2410_nand_set *set)
 {
        struct nand_chip *chip = &nmtd->chip;
+       struct mtd_info *mtd = nand_to_mtd(chip);
        void __iomem *regs = info->regs;
 
        chip->write_buf    = s3c2410_nand_write_buf;
@@ -831,7 +834,7 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info,
        chip->IO_ADDR_R = chip->IO_ADDR_W;
 
        nmtd->info         = info;
-       nmtd->mtd.priv     = chip;
+       mtd->priv          = chip;
        nmtd->set          = set;
 
 #ifdef CONFIG_MTD_NAND_S3C2410_HWECC
@@ -1012,19 +1015,21 @@ static int s3c24xx_nand_probe(struct platform_device *pdev)
        nmtd = info->mtds;
 
        for (setno = 0; setno < nr_sets; setno++, nmtd++) {
+               struct mtd_info *mtd = nand_to_mtd(&nmtd->chip);
+
                pr_debug("initialising set %d (%p, info %p)\n",
                         setno, nmtd, info);
 
-               nmtd->mtd.dev.parent = &pdev->dev;
+               mtd->dev.parent = &pdev->dev;
                s3c2410_nand_init_chip(info, nmtd, sets);
 
-               nmtd->scan_res = nand_scan_ident(&nmtd->mtd,
+               nmtd->scan_res = nand_scan_ident(mtd,
                                                 (sets) ? sets->nr_chips : 1,
                                                 NULL);
 
                if (nmtd->scan_res == 0) {
                        s3c2410_nand_update_chip(info, nmtd);
-                       nand_scan_tail(&nmtd->mtd);
+                       nand_scan_tail(mtd);
                        s3c2410_nand_add_partition(info, nmtd, sets);
                }