Merge tag 'for-linus-20130509' of git://git.infradead.org/linux-mtd

Pull MTD update from David Woodhouse:

 - Lots of cleanups from Artem, including deletion of some obsolete
   drivers

 - Support partitions larger than 4GiB in device tree

 - Support for new SPI chips

* tag 'for-linus-20130509' of git://git.infradead.org/linux-mtd: (83 commits)
  mtd: omap2: Use module_platform_driver()
  mtd: bf5xx_nand: Use module_platform_driver()
  mtd: denali_dt: Remove redundant use of of_match_ptr
  mtd: denali_dt: Change return value to fix smatch warning
  mtd: denali_dt: Use module_platform_driver()
  mtd: denali_dt: Fix incorrect error check
  mtd: nand: subpage write support for hardware based ECC schemes
  mtd: omap2: use msecs_to_jiffies()
  mtd: nand_ids: use size macros
  mtd: nand_ids: improve LEGACY_ID_NAND macro a bit
  mtd: add 4 Toshiba nand chips for the full-id case
  mtd: add the support to parse out the full-id nand type
  mtd: add new fields to nand_flash_dev{}
  mtd: sh_flctl: Use of_match_ptr() macro
  mtd: gpio: Use of_match_ptr() macro
  mtd: gpio: Use devm_kzalloc()
  mtd: davinci_nand: Use of_match_ptr()
  mtd: dataflash: Use of_match_ptr() macro
  mtd: remove h720x flash support
  mtd: onenand: remove OneNAND simulator
  ...

drivers/mtd/mtdcore.c

@@ -42,6 +42,7 @@
 #include <linux/mtd/partitions.h>
 
 #include "mtdcore.h"
+
 /*
  * backing device capabilities for non-mappable devices (such as NAND flash)
  * - permits private mappings, copies are taken of the data
@@ -97,11 +98,7 @@ EXPORT_SYMBOL_GPL(__mtd_next_device);
 static LIST_HEAD(mtd_notifiers);
 
 
-#if defined(CONFIG_MTD_CHAR) || defined(CONFIG_MTD_CHAR_MODULE)
 #define MTD_DEVT(index) MKDEV(MTD_CHAR_MAJOR, (index)*2)
-#else
-#define MTD_DEVT(index) 0
-#endif
 
 /* REVISIT once MTD uses the driver model better, whoever allocates
  * the mtd_info will probably want to use the release() hook...
@@ -493,7 +490,7 @@ out_error:
  *
  * Returns zero in case of success and a negative error code in case of failure.
  */
-int mtd_device_parse_register(struct mtd_info *mtd, const char **types,
+int mtd_device_parse_register(struct mtd_info *mtd, const char * const *types,
 			      struct mtd_part_parser_data *parser_data,
 			      const struct mtd_partition *parts,
 			      int nr_parts)
@@ -1117,8 +1114,6 @@ EXPORT_SYMBOL_GPL(mtd_kmalloc_up_to);
 /*====================================================================*/
 /* Support for /proc/mtd */
 
-static struct proc_dir_entry *proc_mtd;
-
 static int mtd_proc_show(struct seq_file *m, void *v)
 {
 	struct mtd_info *mtd;
@@ -1164,6 +1159,8 @@ static int __init mtd_bdi_init(struct backing_dev_info *bdi, const char *name)
 	return ret;
 }
 
+static struct proc_dir_entry *proc_mtd;
+
 static int __init init_mtd(void)
 {
 	int ret;
@@ -1184,11 +1181,17 @@ static int __init init_mtd(void)
 	if (ret)
 		goto err_bdi3;
 
-#ifdef CONFIG_PROC_FS
 	proc_mtd = proc_create("mtd", 0, NULL, &mtd_proc_ops);
-#endif /* CONFIG_PROC_FS */
+
+	ret = init_mtdchar();
+	if (ret)
+		goto out_procfs;
+
 	return 0;
 
+out_procfs:
+	if (proc_mtd)
+		remove_proc_entry("mtd", NULL);
 err_bdi3:
 	bdi_destroy(&mtd_bdi_ro_mappable);
 err_bdi2:
@@ -1202,10 +1205,9 @@ err_reg:
 
 static void __exit cleanup_mtd(void)
 {
-#ifdef CONFIG_PROC_FS
+	cleanup_mtdchar();
 	if (proc_mtd)
-		remove_proc_entry( "mtd", NULL);
-#endif /* CONFIG_PROC_FS */
+		remove_proc_entry("mtd", NULL);
 	class_unregister(&mtd_class);
 	bdi_destroy(&mtd_bdi_unmappable);
 	bdi_destroy(&mtd_bdi_ro_mappable);