mtd: davinci_nand: convert to mtd_device_register()

Convert to mtd_device_register() and remove the check for
mtd_has_partitions() as partitioning is always available.

Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 21 insertions, 30 deletions

diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index aff3468867a..1f34951ae1a 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -530,6 +530,8 @@ static int __init nand_davinci_probe(struct platform_device *pdev)
         int                             ret;
         uint32_t                        val;
         nand_ecc_modes_t                ecc_mode;
+        struct mtd_partition            *mtd_parts = NULL;
+        int                             mtd_parts_nb = 0;
 
         /* insist on board-specific configuration */
         if (!pdata)
@@ -749,41 +751,33 @@ syndrome_done:
         if (ret < 0)
                 goto err_scan;
 
-        if (mtd_has_partitions()) {
-                struct mtd_partition    *mtd_parts = NULL;
-                int                     mtd_parts_nb = 0;
+        if (mtd_has_cmdlinepart()) {
+                static const char *probes[] __initconst = {
+                        "cmdlinepart", NULL
+                };
 
-                if (mtd_has_cmdlinepart()) {
-                        static const char *probes[] __initconst =
-                                { "cmdlinepart", NULL };
-
-                        mtd_parts_nb = parse_mtd_partitions(&info->mtd, probes,
-                                                            &mtd_parts, 0);
-                }
-
-                if (mtd_parts_nb <= 0) {
-                        mtd_parts = pdata->parts;
-                        mtd_parts_nb = pdata->nr_parts;
-                }
+                mtd_parts_nb = parse_mtd_partitions(&info->mtd, probes,
+                                                    &mtd_parts, 0);
+        }
 
-                /* Register any partitions */
-                if (mtd_parts_nb > 0) {
-                        ret = add_mtd_partitions(&info->mtd,
-                                        mtd_parts, mtd_parts_nb);
-                        if (ret == 0)
-                                info->partitioned = true;
-                }
+        if (mtd_parts_nb <= 0) {
+                mtd_parts = pdata->parts;
+                mtd_parts_nb = pdata->nr_parts;
+        }
 
-        } else if (pdata->nr_parts) {
-                dev_warn(&pdev->dev, "ignoring %d default partitions on %s\n",
-                                pdata->nr_parts, info->mtd.name);
+        /* Register any partitions */
+        if (mtd_parts_nb > 0) {
+                ret = mtd_device_register(&info->mtd, mtd_parts,
+                                          mtd_parts_nb);
+                if (ret == 0)
+                        info->partitioned = true;
         }
 
         /* If there's no partition info, just package the whole chip
          * as a single MTD device.
          */
         if (!info->partitioned)
-                ret = add_mtd_device(&info->mtd) ? -ENODEV : 0;
+                ret = mtd_device_register(&info->mtd, NULL, 0) ? -ENODEV : 0;
 
         if (ret < 0)
                 goto err_scan;
@@ -824,10 +818,7 @@ static int __exit nand_davinci_remove(struct platform_device *pdev)
         struct davinci_nand_info *info = platform_get_drvdata(pdev);
         int status;
 
-        if (mtd_has_partitions() && info->partitioned)
-                status = del_mtd_partitions(&info->mtd);
-        else
-                status = del_mtd_device(&info->mtd);
+        status = mtd_device_unregister(&info->mtd);
 
         spin_lock_irq(&davinci_nand_lock);
         if (info->chip.ecc.mode == NAND_ECC_HW_SYNDROME)