mtd: wr_sbc82xx_flash.c: use mtd_device_parse_register
authorDmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Thu, 2 Jun 2011 14:00:20 +0000 (18:00 +0400)
committerArtem Bityutskiy <artem.bityutskiy@intel.com>
Sun, 11 Sep 2011 12:02:07 +0000 (15:02 +0300)
Replace custom invocations of parse_mtd_partitions and mtd_device_register
with common mtd_device_parse_register call. This would bring: standard
handling of all errors, fallback to default partitions, etc.

Artem: some tweaks, split one very long line while on it.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
drivers/mtd/maps/wr_sbc82xx_flash.c

index 901ce968efaebc11acf9e9c4e5460dfec7fc3e3d..aa7e0cb2893c791311e71356ec79d074745129a6 100644 (file)
@@ -20,7 +20,6 @@
 #include <asm/immap_cpm2.h>
 
 static struct mtd_info *sbcmtd[3];
-static struct mtd_partition *sbcmtd_parts[3];
 
 struct map_info sbc82xx_flash_map[3] = {
        {.name = "Boot flash"},
@@ -101,6 +100,7 @@ static int __init init_sbc82xx_flash(void)
        for (i=0; i<3; i++) {
                int8_t flashcs[3] = { 0, 6, 1 };
                int nr_parts;
+               struct mtd_partition *defparts;
 
                printk(KERN_NOTICE "PowerQUICC II %s (%ld MiB on CS%d",
                       sbc82xx_flash_map[i].name,
@@ -113,7 +113,8 @@ static int __init init_sbc82xx_flash(void)
                }
                printk(" at %08lx)\n",  sbc82xx_flash_map[i].phys);
 
-               sbc82xx_flash_map[i].virt = ioremap(sbc82xx_flash_map[i].phys, sbc82xx_flash_map[i].size);
+               sbc82xx_flash_map[i].virt = ioremap(sbc82xx_flash_map[i].phys,
+                                                   sbc82xx_flash_map[i].size);
 
                if (!sbc82xx_flash_map[i].virt) {
                        printk("Failed to ioremap\n");
@@ -129,24 +130,20 @@ static int __init init_sbc82xx_flash(void)
 
                sbcmtd[i]->owner = THIS_MODULE;
 
-               nr_parts = parse_mtd_partitions(sbcmtd[i], part_probes,
-                                               &sbcmtd_parts[i], 0);
-               if (nr_parts > 0) {
-                       mtd_device_register(sbcmtd[i], sbcmtd_parts[i],
-                                           nr_parts);
-                       continue;
-               }
-
                /* No partitioning detected. Use default */
                if (i == 2) {
-                       mtd_device_register(sbcmtd[i], NULL, 0);
+                       defparts = NULL;
+                       nr_parts = 0;
                } else if (i == bigflash) {
-                       mtd_device_register(sbcmtd[i], bigflash_parts,
-                                           ARRAY_SIZE(bigflash_parts));
+                       defparts = bigflash_parts;
+                       nr_parts = ARRAY_SIZE(bigflash_parts);
                } else {
-                       mtd_device_register(sbcmtd[i], smallflash_parts,
-                                           ARRAY_SIZE(smallflash_parts));
+                       defparts = smallflash_parts;
+                       nr_parts = ARRAY_SIZE(smallflash_parts);
                }
+
+               mtd_device_parse_register(sbcmtd[i], part_probes, 0,
+                                         defparts, nr_parts);
        }
        return 0;
 }
@@ -159,12 +156,8 @@ static void __exit cleanup_sbc82xx_flash(void)
                if (!sbcmtd[i])
                        continue;
 
-               if (i<2 || sbcmtd_parts[i])
-                       mtd_device_unregister(sbcmtd[i]);
-               else
-                       mtd_device_unregister(sbcmtd[i]);
+               mtd_device_unregister(sbcmtd[i]);
 
-               kfree(sbcmtd_parts[i]);
                map_destroy(sbcmtd[i]);
 
                iounmap((void *)sbc82xx_flash_map[i].virt);