Merge git://git.infradead.org/mtd-2.6

* git://git.infradead.org/mtd-2.6: (97 commits)
  mtd: kill CONFIG_MTD_PARTITIONS
  mtd: remove add_mtd_partitions, add_mtd_device and friends
  mtd: convert remaining users to mtd_device_register()
  mtd: samsung onenand: convert to mtd_device_register()
  mtd: omap2 onenand: convert to mtd_device_register()
  mtd: txx9ndfmc: convert to mtd_device_register()
  mtd: tmio_nand: convert to mtd_device_register()
  mtd: socrates_nand: convert to mtd_device_register()
  mtd: sharpsl: convert to mtd_device_register()
  mtd: s3c2410 nand: convert to mtd_device_register()
  mtd: ppchameleonevb: convert to mtd_device_register()
  mtd: orion_nand: convert to mtd_device_register()
  mtd: omap2: convert to mtd_device_register()
  mtd: nomadik_nand: convert to mtd_device_register()
  mtd: ndfc: convert to mtd_device_register()
  mtd: mxc_nand: convert to mtd_device_register()
  mtd: mpc5121_nfc: convert to mtd_device_register()
  mtd: jz4740_nand: convert to mtd_device_register()
  mtd: h1910: convert to mtd_device_register()
  mtd: fsmc_nand: convert to mtd_device_register()
  ...

Fixed up trivial conflicts in
 - drivers/mtd/maps/integrator-flash.c: removed in ARM tree
 - drivers/mtd/maps/physmap.c: addition of afs partition probe type
   clashing with removal of CONFIG_MTD_PARTITIONS

152 files changed, 1041 insertions, 1690 deletions

diff --git a/Documentation/DocBook/mtdnand.tmpl b/Documentation/DocBook/mtdnand.tmpl
index 6f242d5dee9a..17910e2052ad 100644
--- a/Documentation/DocBook/mtdnand.tmpl
+++ b/Documentation/DocBook/mtdnand.tmpl
@@ -189,8 +189,7 @@ static void __iomem *baseaddr;
                 <title>Partition defines</title>
                 <para>
                         If you want to divide your device into partitions, then
-                        enable the configuration switch CONFIG_MTD_PARTITIONS and define
-                        a partitioning scheme suitable to your board.
+                        define a partitioning scheme suitable to your board.
                 </para>
                 <programlisting>
 #define NUM_PARTITIONS 2
diff --git a/arch/arm/mach-gemini/board-wbd111.c b/arch/arm/mach-gemini/board-wbd111.c
index af7b68a6b258..88cc422ee444 100644
--- a/arch/arm/mach-gemini/board-wbd111.c
+++ b/arch/arm/mach-gemini/board-wbd111.c
@@ -84,7 +84,6 @@ static struct sys_timer wbd111_timer = {
         .init   = gemini_timer_init,
 };
 
-#ifdef CONFIG_MTD_PARTITIONS
 static struct mtd_partition wbd111_partitions[] = {
         {
                 .name           = "RedBoot",
@@ -116,11 +115,7 @@ static struct mtd_partition wbd111_partitions[] = {
                 .mask_flags     = MTD_WRITEABLE,
         }
 };
-#define wbd111_num_partitions   ARRAY_SIZE(wbd111_partitions)
-#else
-#define wbd111_partitions       NULL
-#define wbd111_num_partitions   0
-#endif /* CONFIG_MTD_PARTITIONS */
+#define wbd111_num_partitions  ARRAY_SIZE(wbd111_partitions)
 
 static void __init wbd111_init(void)
 {
diff --git a/arch/arm/mach-gemini/board-wbd222.c b/arch/arm/mach-gemini/board-wbd222.c
index 99e5bbecf923..3a220347bc88 100644
--- a/arch/arm/mach-gemini/board-wbd222.c
+++ b/arch/arm/mach-gemini/board-wbd222.c
@@ -84,7 +84,6 @@ static struct sys_timer wbd222_timer = {
         .init   = gemini_timer_init,
 };
 
-#ifdef CONFIG_MTD_PARTITIONS
 static struct mtd_partition wbd222_partitions[] = {
         {
                 .name           = "RedBoot",
@@ -116,11 +115,7 @@ static struct mtd_partition wbd222_partitions[] = {
                 .mask_flags     = MTD_WRITEABLE,
         }
 };
-#define wbd222_num_partitions   ARRAY_SIZE(wbd222_partitions)
-#else
-#define wbd222_partitions       NULL
-#define wbd222_num_partitions   0
-#endif /* CONFIG_MTD_PARTITIONS */
+#define wbd222_num_partitions  ARRAY_SIZE(wbd222_partitions)
 
 static void __init wbd222_init(void)
 {
diff --git a/arch/arm/mach-ixp4xx/ixdp425-setup.c b/arch/arm/mach-ixp4xx/ixdp425-setup.c
index 140783386785..dca4f7f9f4f7 100644
--- a/arch/arm/mach-ixp4xx/ixdp425-setup.c
+++ b/arch/arm/mach-ixp4xx/ixdp425-setup.c
@@ -60,7 +60,6 @@ static struct platform_device ixdp425_flash = {
 #if defined(CONFIG_MTD_NAND_PLATFORM) || \
     defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
 
-#ifdef CONFIG_MTD_PARTITIONS
 const char *part_probes[] = { "cmdlinepart", NULL };
 
 static struct mtd_partition ixdp425_partitions[] = {
@@ -74,7 +73,6 @@ static struct mtd_partition ixdp425_partitions[] = {
                 .size   = MTDPART_SIZ_FULL
         },
 };
-#endif
 
 static void
 ixdp425_flash_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
@@ -103,11 +101,9 @@ static struct platform_nand_data ixdp425_flash_nand_data = {
                 .nr_chips               = 1,
                 .chip_delay             = 30,
                 .options                = NAND_NO_AUTOINCR,
-#ifdef CONFIG_MTD_PARTITIONS
                 .part_probe_types       = part_probes,
                 .partitions             = ixdp425_partitions,
                 .nr_partitions          = ARRAY_SIZE(ixdp425_partitions),
-#endif
         },
         .ctrl = {
                 .cmd_ctrl               = ixdp425_flash_nand_cmd_ctrl
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 2fc9f94cdd29..cd19309fd3b8 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -153,7 +153,6 @@ config MACH_XCEP
         bool "Iskratel Electronics XCEP"
         select PXA25x
         select MTD
-        select MTD_PARTITIONS
         select MTD_PHYSMAP
         select MTD_CFI_INTELEXT
         select MTD_CFI
diff --git a/arch/arm/mach-s3c2410/mach-amlm5900.c b/arch/arm/mach-s3c2410/mach-amlm5900.c
index 44440cbd7620..dabc141243f3 100644
--- a/arch/arm/mach-s3c2410/mach-amlm5900.c
+++ b/arch/arm/mach-s3c2410/mach-amlm5900.c
@@ -58,8 +58,6 @@
 #include <plat/cpu.h>
 #include <plat/gpio-cfg.h>
 
-#ifdef CONFIG_MTD_PARTITIONS
-
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/map.h>
@@ -113,7 +111,6 @@ static struct platform_device amlm5900_device_nor = {
         .num_resources  = 1,
         .resource       = &amlm5900_nor_resource,
 };
-#endif
 
 static struct map_desc amlm5900_iodesc[] __initdata = {
 };
@@ -158,9 +155,7 @@ static struct platform_device *amlm5900_devices[] __initdata = {
         &s3c_device_rtc,
         &s3c_device_usbgadget,
         &s3c_device_sdi,
-#ifdef CONFIG_MTD_PARTITIONS
         &amlm5900_device_nor,
-#endif
 };
 
 static void __init amlm5900_map_io(void)
diff --git a/arch/arm/mach-s3c2410/mach-tct_hammer.c b/arch/arm/mach-s3c2410/mach-tct_hammer.c
index a15d0621c22f..43c2b831b9e8 100644
--- a/arch/arm/mach-s3c2410/mach-tct_hammer.c
+++ b/arch/arm/mach-s3c2410/mach-tct_hammer.c
@@ -49,8 +49,6 @@
 #include <plat/devs.h>
 #include <plat/cpu.h>
 
-#ifdef CONFIG_MTD_PARTITIONS
-
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/map.h>
@@ -91,8 +89,6 @@ static struct platform_device tct_hammer_device_nor = {
         .resource       = &tct_hammer_nor_resource,
 };
 
-#endif
-
 static struct map_desc tct_hammer_iodesc[] __initdata = {
 };
 
@@ -133,9 +129,7 @@ static struct platform_device *tct_hammer_devices[] __initdata = {
         &s3c_device_rtc,
         &s3c_device_usbgadget,
         &s3c_device_sdi,
-#ifdef CONFIG_MTD_PARTITIONS
         &tct_hammer_device_nor,
-#endif
 };
 
 static void __init tct_hammer_map_io(void)
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
index e16dc4560048..76db1d483173 100644
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/arch/blackfin/mach-bf537/boards/stamp.c
@@ -382,7 +382,6 @@ static struct platform_device net2272_bfin_device = {
 #endif
 
 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
-#ifdef CONFIG_MTD_PARTITIONS
 const char *part_probes[] = { "cmdlinepart", "RedBoot", NULL };
 
 static struct mtd_partition bfin_plat_nand_partitions[] = {
@@ -396,7 +395,6 @@ static struct mtd_partition bfin_plat_nand_partitions[] = {
                 .offset = MTDPART_OFS_APPEND,
         },
 };
-#endif
 
 #define BFIN_NAND_PLAT_CLE 2
 #define BFIN_NAND_PLAT_ALE 1
@@ -423,11 +421,9 @@ static struct platform_nand_data bfin_plat_nand_data = {
         .chip = {
                 .nr_chips = 1,
                 .chip_delay = 30,
-#ifdef CONFIG_MTD_PARTITIONS
                 .part_probe_types = part_probes,
                 .partitions = bfin_plat_nand_partitions,
                 .nr_partitions = ARRAY_SIZE(bfin_plat_nand_partitions),
-#endif
         },
         .ctrl = {
                 .cmd_ctrl  = bfin_plat_nand_cmd_ctrl,
diff --git a/arch/blackfin/mach-bf561/boards/acvilon.c b/arch/blackfin/mach-bf561/boards/acvilon.c
index 3926cd909b66..9231a942892b 100644
--- a/arch/blackfin/mach-bf561/boards/acvilon.c
+++ b/arch/blackfin/mach-bf561/boards/acvilon.c
@@ -243,7 +243,6 @@ static struct platform_device bfin_uart0_device = {
 
 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
 
-#ifdef CONFIG_MTD_PARTITIONS
 const char *part_probes[] = { "cmdlinepart", NULL };
 
 static struct mtd_partition bfin_plat_nand_partitions[] = {
@@ -257,7 +256,6 @@ static struct mtd_partition bfin_plat_nand_partitions[] = {
              .offset = MTDPART_OFS_APPEND,
              },
 };
-#endif
 
 #define BFIN_NAND_PLAT_CLE 2
 #define BFIN_NAND_PLAT_ALE 3
@@ -286,11 +284,9 @@ static struct platform_nand_data bfin_plat_nand_data = {
         .chip = {
                  .nr_chips = 1,
                  .chip_delay = 30,
-#ifdef CONFIG_MTD_PARTITIONS
                  .part_probe_types = part_probes,
                  .partitions = bfin_plat_nand_partitions,
                  .nr_partitions = ARRAY_SIZE(bfin_plat_nand_partitions),
-#endif
                  },
         .ctrl = {
                  .cmd_ctrl = bfin_plat_nand_cmd_ctrl,
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
index b6b94a27d276..17addacb169e 100644
--- a/arch/cris/Kconfig
+++ b/arch/cris/Kconfig
@@ -270,7 +270,6 @@ config ETRAX_AXISFLASHMAP
         select MTD_JEDECPROBE if ETRAX_ARCH_V32
         select MTD_CHAR
         select MTD_BLOCK
-        select MTD_PARTITIONS
         select MTD_COMPLEX_MAPPINGS
         help
           This option enables MTD mapping of flash devices.  Needed to use
diff --git a/arch/cris/arch-v10/drivers/axisflashmap.c b/arch/cris/arch-v10/drivers/axisflashmap.c
index ed708e19d09e..a4bbdfd37bd8 100644
--- a/arch/cris/arch-v10/drivers/axisflashmap.c
+++ b/arch/cris/arch-v10/drivers/axisflashmap.c
@@ -372,7 +372,7 @@ static int __init init_axis_flash(void)
 #ifdef CONFIG_ETRAX_AXISFLASHMAP_MTD0WHOLE
         if (mymtd) {
                 main_partition.size = mymtd->size;
-                err = add_mtd_partitions(mymtd, &main_partition, 1);
+                err = mtd_device_register(mymtd, &main_partition, 1);
                 if (err)
                         panic("axisflashmap: Could not initialize "
                               "partition for whole main mtd device!\n");
@@ -382,10 +382,12 @@ static int __init init_axis_flash(void)
         if (mymtd) {
                 if (use_default_ptable) {
                         printk(KERN_INFO " Using default partition table.\n");
-                        err = add_mtd_partitions(mymtd, axis_default_partitions,
-                                                 NUM_DEFAULT_PARTITIONS);
+                        err = mtd_device_register(mymtd,
+                                                  axis_default_partitions,
+                                                  NUM_DEFAULT_PARTITIONS);
                 } else {
-                        err = add_mtd_partitions(mymtd, axis_partitions, pidx);
+                        err = mtd_device_register(mymtd, axis_partitions,
+                                                  pidx);
                 }
 
                 if (err)
diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig
index 1633b120aa81..41a2732e8b9c 100644
--- a/arch/cris/arch-v32/drivers/Kconfig
+++ b/arch/cris/arch-v32/drivers/Kconfig
@@ -405,7 +405,6 @@ config ETRAX_AXISFLASHMAP
         select MTD_JEDECPROBE
         select MTD_CHAR
         select MTD_BLOCK
-        select MTD_PARTITIONS
         select MTD_COMPLEX_MAPPINGS
         help
           This option enables MTD mapping of flash devices.  Needed to use
diff --git a/arch/cris/arch-v32/drivers/axisflashmap.c b/arch/cris/arch-v32/drivers/axisflashmap.c
index 7b155f8203b8..a2bde3744622 100644
--- a/arch/cris/arch-v32/drivers/axisflashmap.c
+++ b/arch/cris/arch-v32/drivers/axisflashmap.c
@@ -561,7 +561,7 @@ static int __init init_axis_flash(void)
 #ifdef CONFIG_ETRAX_AXISFLASHMAP_MTD0WHOLE
         if (main_mtd) {
                 main_partition.size = main_mtd->size;
-                err = add_mtd_partitions(main_mtd, &main_partition, 1);
+                err = mtd_device_register(main_mtd, &main_partition, 1);
                 if (err)
                         panic("axisflashmap: Could not initialize "
                               "partition for whole main mtd device!\n");
@@ -597,7 +597,8 @@ static int __init init_axis_flash(void)
                         mtd_ram->erasesize = (main_mtd ? main_mtd->erasesize :
                                 CONFIG_ETRAX_PTABLE_SECTOR);
                 } else {
-                        err = add_mtd_partitions(main_mtd, &partition[part], 1);
+                        err = mtd_device_register(main_mtd, &partition[part],
+                                                  1);
                         if (err)
                                 panic("axisflashmap: Could not add mtd "
                                         "partition %d\n", part);
@@ -633,7 +634,7 @@ static int __init init_axis_flash(void)
 #ifndef CONFIG_ETRAX_VCS_SIM
         if (aux_mtd) {
                 aux_partition.size = aux_mtd->size;
-                err = add_mtd_partitions(aux_mtd, &aux_partition, 1);
+                err = mtd_device_register(aux_mtd, &aux_partition, 1);
                 if (err)
                         panic("axisflashmap: Could not initialize "
                               "aux mtd device!\n");
diff --git a/arch/mips/cavium-octeon/flash_setup.c b/arch/mips/cavium-octeon/flash_setup.c
index 008f657116eb..0ee02f5e51cc 100644
--- a/arch/mips/cavium-octeon/flash_setup.c
+++ b/arch/mips/cavium-octeon/flash_setup.c
@@ -16,7 +16,6 @@
 
 static struct map_info flash_map;
 static struct mtd_info *mymtd;
-#ifdef CONFIG_MTD_PARTITIONS
 static int nr_parts;
 static struct mtd_partition *parts;
 static const char *part_probe_types[] = {
@@ -26,7 +25,6 @@ static const char *part_probe_types[] = {
 #endif
         NULL
 };
-#endif
 
 /**
  * Module/ driver initialization.
@@ -63,17 +61,10 @@ static int __init flash_init(void)
                 if (mymtd) {
                         mymtd->owner = THIS_MODULE;
 
-#ifdef CONFIG_MTD_PARTITIONS
                         nr_parts = parse_mtd_partitions(mymtd,
                                                         part_probe_types,
                                                         &parts, 0);
-                        if (nr_parts > 0)
-                                add_mtd_partitions(mymtd, parts, nr_parts);
-                        else
-                                add_mtd_device(mymtd);
-#else
-                        add_mtd_device(mymtd);
-#endif
+                        mtd_device_register(mymtd, parts, nr_parts);
                 } else {
                         pr_err("Failed to register MTD device for flash\n");
                 }
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 812816c45662..ec38e00b2559 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -639,7 +639,6 @@ void __init txx9_physmap_flash_init(int no, unsigned long addr,
                 .flags = IORESOURCE_MEM,
         };
         struct platform_device *pdev;
-#ifdef CONFIG_MTD_PARTITIONS
         static struct mtd_partition parts[2];
         struct physmap_flash_data pdata_part;
 
@@ -658,7 +657,7 @@ void __init txx9_physmap_flash_init(int no, unsigned long addr,
                 pdata_part.parts = parts;
                 pdata = &pdata_part;
         }
-#endif
+
         pdev = platform_device_alloc("physmap-flash", no);
         if (!pdev ||
             platform_device_add_resources(pdev, &res, 1) ||
diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
index bc50d5ea5534..4be8373d43e5 100644
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
@@ -33,20 +33,6 @@ config MTD_TESTS
           should normally be compiled as kernel modules. The modules perform
           various checks and verifications when loaded.
 
-config MTD_PARTITIONS
-        bool "MTD partitioning support"
-        help
-          If you have a device which needs to divide its flash chip(s) up
-          into multiple 'partitions', each of which appears to the user as
-          a separate MTD device, you require this option to be enabled. If
-          unsure, say 'Y'.
-
-          Note, however, that you don't need this option for the DiskOnChip
-          devices. Partitioning on NFTL 'devices' is a different - that's the
-          'normal' form of partitioning used on a block device.
-
-if MTD_PARTITIONS
-
 config MTD_REDBOOT_PARTS
         tristate "RedBoot partition table parsing"
         ---help---
@@ -99,7 +85,7 @@ endif # MTD_REDBOOT_PARTS
 
 config MTD_CMDLINE_PARTS
         bool "Command line partition table parsing"
-        depends on MTD_PARTITIONS = "y" && MTD = "y"
+        depends on MTD = "y"
         ---help---
           Allow generic configuration of the MTD partition tables via the kernel
           command line. Multiple flash resources are supported for hardware where
@@ -163,8 +149,6 @@ config MTD_AR7_PARTS
         ---help---
           TI AR7 partitioning support
 
-endif # MTD_PARTITIONS
-
 comment "User Modules And Translation Layers"
 
 config MTD_CHAR
diff --git a/drivers/mtd/Makefile b/drivers/mtd/Makefile
index d578095fb255..39664c4229ff 100644
--- a/drivers/mtd/Makefile
+++ b/drivers/mtd/Makefile
@@ -4,8 +4,7 @@
 
 # Core functionality.
 obj-$(CONFIG_MTD)               += mtd.o
-mtd-y                           := mtdcore.o mtdsuper.o mtdconcat.o
-mtd-$(CONFIG_MTD_PARTITIONS)    += mtdpart.o
+mtd-y                           := mtdcore.o mtdsuper.o mtdconcat.o mtdpart.o
 mtd-$(CONFIG_MTD_OF_PARTS)      += ofpart.o
 
 obj-$(CONFIG_MTD_REDBOOT_PARTS) += redboot.o
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 09cb7c8d93b4..e1e122f2f929 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -812,12 +812,9 @@ static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long
                                 break;
 
                         if (time_after(jiffies, timeo)) {
-                                /* Urgh. Resume and pretend we weren't here.  */
-                                map_write(map, CMD(0xd0), adr);
-                                /* Make sure we're in 'read status' mode if it had finished */
-                                map_write(map, CMD(0x70), adr);
-                                chip->state = FL_ERASING;
-                                chip->oldstate = FL_READY;
+                                /* Urgh. Resume and pretend we weren't here.
+                                 * Make sure we're in 'read status' mode if it had finished */
+                                put_chip(map, chip, adr);
                                 printk(KERN_ERR "%s: Chip not ready after erase "
                                        "suspended: status = 0x%lx\n", map->name, status.x[0]);
                                 return -EIO;
@@ -997,7 +994,6 @@ static void put_chip(struct map_info *map, struct flchip *chip, unsigned long ad
 
         switch(chip->oldstate) {
         case FL_ERASING:
-                chip->state = chip->oldstate;
                 /* What if one interleaved chip has finished and the
                    other hasn't? The old code would leave the finished
                    one in READY mode. That's bad, and caused -EROFS
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index 0b49266840b9..23175edd5634 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -462,13 +462,14 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
                         cfi_fixup_major_minor(cfi, extp);
 
                         /*
-                         * Valid primary extension versions are: 1.0, 1.1, 1.2, 1.3, 1.4
+                         * Valid primary extension versions are: 1.0, 1.1, 1.2, 1.3, 1.4, 1.5
                          * see: http://cs.ozerki.net/zap/pub/axim-x5/docs/cfi_r20.pdf, page 19 
                          *      http://www.spansion.com/Support/AppNotes/cfi_100_20011201.pdf
                          *      http://www.spansion.com/Support/Datasheets/s29ws-p_00_a12_e.pdf
+                         *      http://www.spansion.com/Support/Datasheets/S29GL_128S_01GS_00_02_e.pdf
                          */
                         if (extp->MajorVersion != '1' ||
-                            (extp->MajorVersion == '1' && (extp->MinorVersion < '0' || extp->MinorVersion > '4'))) {
+                            (extp->MajorVersion == '1' && (extp->MinorVersion < '0' || extp->MinorVersion > '5'))) {
                                 printk(KERN_ERR "  Unknown Amd/Fujitsu Extended Query "
                                        "version %c.%c (%#02x/%#02x).\n",
                                        extp->MajorVersion, extp->MinorVersion,
@@ -710,9 +711,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
                                  * there was an error (so leave the erase
                                  * routine to recover from it) or we trying to
                                  * use the erase-in-progress sector. */
-                                map_write(map, cfi->sector_erase_cmd, chip->in_progress_block_addr);
-                                chip->state = FL_ERASING;
-                                chip->oldstate = FL_READY;
+                                put_chip(map, chip, adr);
                                 printk(KERN_ERR "MTD %s(): chip not ready after erase suspend\n", __func__);
                                 return -EIO;
                         }
@@ -762,7 +761,6 @@ static void put_chip(struct map_info *map, struct flchip *chip, unsigned long ad
 
         switch(chip->oldstate) {
         case FL_ERASING:
-                chip->state = chip->oldstate;
                 map_write(map, cfi->sector_erase_cmd, chip->in_progress_block_addr);
                 chip->oldstate = FL_READY;
                 chip->state = FL_ERASING;
diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c
index ed56ad3884fb..179814a95f3a 100644
--- a/drivers/mtd/chips/cfi_cmdset_0020.c
+++ b/drivers/mtd/chips/cfi_cmdset_0020.c
@@ -296,6 +296,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
                                 /* make sure we're in 'read status' mode */
                                 map_write(map, CMD(0x70), cmd_addr);
                                 chip->state = FL_ERASING;
+                                wake_up(&chip->wq);
                                 mutex_unlock(&chip->mutex);
                                 printk(KERN_ERR "Chip not ready after erase "
                                        "suspended: status = 0x%lx\n", status.x[0]);
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index 97183c8c9e33..b78f23169d4e 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -294,7 +294,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
         dev->mtd.priv = dev;
         dev->mtd.owner = THIS_MODULE;
 
-        if (add_mtd_device(&dev->mtd)) {
+        if (mtd_device_register(&dev->mtd, NULL, 0)) {
                 /* Device didn't get added, so free the entry */
                 goto devinit_err;
         }
@@ -465,7 +465,7 @@ static void __devexit block2mtd_exit(void)
         list_for_each_safe(pos, next, &blkmtd_device_list) {
                 struct block2mtd_dev *dev = list_entry(pos, typeof(*dev), list);
                 block2mtd_sync(&dev->mtd);
-                del_mtd_device(&dev->mtd);
+                mtd_device_unregister(&dev->mtd);
                 INFO("mtd%d: [%s] removed", dev->mtd.index,
                                 dev->mtd.name + strlen("block2mtd: "));
                 list_del(&dev->list);
diff --git a/drivers/mtd/devices/doc2000.c b/drivers/mtd/devices/doc2000.c
index 5bf5f460e132..f7fbf6025ef2 100644
--- a/drivers/mtd/devices/doc2000.c
+++ b/drivers/mtd/devices/doc2000.c
@@ -597,7 +597,7 @@ void DoC2k_init(struct mtd_info *mtd)
                 doc2klist = mtd;
                 mtd->size = this->totlen;
                 mtd->erasesize = this->erasesize;
-                add_mtd_device(mtd);
+                mtd_device_register(mtd, NULL, 0);
                 return;
         }
 }
@@ -1185,7 +1185,7 @@ static void __exit cleanup_doc2000(void)
                 this = mtd->priv;
                 doc2klist = this->nextdoc;
 
-                del_mtd_device(mtd);
+                mtd_device_unregister(mtd);
 
                 iounmap(this->virtadr);
                 kfree(this->chips);
diff --git a/drivers/mtd/devices/doc2001.c b/drivers/mtd/devices/doc2001.c
index 0990f7803628..241192f05bc8 100644
--- a/drivers/mtd/devices/doc2001.c
+++ b/drivers/mtd/devices/doc2001.c
@@ -376,7 +376,7 @@ void DoCMil_init(struct mtd_info *mtd)
                 this->nextdoc = docmillist;
                 docmillist = mtd;
                 mtd->size  = this->totlen;
-                add_mtd_device(mtd);
+                mtd_device_register(mtd, NULL, 0);
                 return;
         }
 }
@@ -826,7 +826,7 @@ static void __exit cleanup_doc2001(void)
                 this = mtd->priv;
                 docmillist = this->nextdoc;
 
-                del_mtd_device(mtd);
+                mtd_device_unregister(mtd);
 
                 iounmap(this->virtadr);
                 kfree(this->chips);
diff --git a/drivers/mtd/devices/doc2001plus.c b/drivers/mtd/devices/doc2001plus.c
index 8b36fa77a195..09ae0adc3ad0 100644
--- a/drivers/mtd/devices/doc2001plus.c
+++ b/drivers/mtd/devices/doc2001plus.c
@@ -499,7 +499,7 @@ void DoCMilPlus_init(struct mtd_info *mtd)
                 docmilpluslist = mtd;
                 mtd->size  = this->totlen;
                 mtd->erasesize = this->erasesize;
-                add_mtd_device(mtd);
+                mtd_device_register(mtd, NULL, 0);
                 return;
         }
 }
@@ -1091,7 +1091,7 @@ static void __exit cleanup_doc2001plus(void)
                 this = mtd->priv;
                 docmilpluslist = this->nextdoc;
 
-                del_mtd_device(mtd);
+                mtd_device_unregister(mtd);
 
                 iounmap(this->virtadr);
                 kfree(this->chips);
diff --git a/drivers/mtd/devices/lart.c b/drivers/mtd/devices/lart.c
index 4b829f97d56c..772a0ff89e0f 100644
--- a/drivers/mtd/devices/lart.c
+++ b/drivers/mtd/devices/lart.c
@@ -684,9 +684,10 @@ static int __init lart_flash_init (void)
 #endif
 
 #ifndef HAVE_PARTITIONS
-   result = add_mtd_device (&mtd);
+   result = mtd_device_register(&mtd, NULL, 0);
 #else
-   result = add_mtd_partitions (&mtd,lart_partitions, ARRAY_SIZE(lart_partitions));
+   result = mtd_device_register(&mtd, lart_partitions,
+                                ARRAY_SIZE(lart_partitions));
 #endif
 
    return (result);
@@ -695,9 +696,9 @@ static int __init lart_flash_init (void)
 static void __exit lart_flash_exit (void)
 {
 #ifndef HAVE_PARTITIONS
-   del_mtd_device (&mtd);
+   mtd_device_unregister(&mtd);
 #else
-   del_mtd_partitions (&mtd);
+   mtd_device_unregister(&mtd);
 #endif
 }
 
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 3fb981d4bb51..35180e475c4c 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -27,6 +27,7 @@
 #include <linux/sched.h>
 #include <linux/mod_devicetable.h>
 
+#include <linux/mtd/cfi.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 
@@ -55,6 +56,9 @@
 #define OPCODE_EN4B             0xb7    /* Enter 4-byte mode */
 #define OPCODE_EX4B             0xe9    /* Exit 4-byte mode */
 
+/* Used for Spansion flashes only. */
+#define OPCODE_BRWR             0x17    /* Bank register write */
+
 /* Status Register bits. */
 #define SR_WIP                  1       /* Write in progress */
 #define SR_WEL                  2       /* Write enable latch */
@@ -76,6 +80,8 @@
 #define FAST_READ_DUMMY_BYTE 0
 #endif
 
+#define JEDEC_MFR(_jedec_id)    ((_jedec_id) >> 16)
+
 /****************************************************************************/
 
 struct m25p {
@@ -158,11 +164,18 @@ static inline int write_disable(struct m25p *flash)
 /*
  * Enable/disable 4-byte addressing mode.
  */
-static inline int set_4byte(struct m25p *flash, int enable)
+static inline int set_4byte(struct m25p *flash, u32 jedec_id, int enable)
 {
-        u8      code = enable ? OPCODE_EN4B : OPCODE_EX4B;
-
-        return spi_write_then_read(flash->spi, &code, 1, NULL, 0);
+        switch (JEDEC_MFR(jedec_id)) {
+        case CFI_MFR_MACRONIX:
+                flash->command[0] = enable ? OPCODE_EN4B : OPCODE_EX4B;
+                return spi_write(flash->spi, flash->command, 1);
+        default:
+                /* Spansion style */
+                flash->command[0] = OPCODE_BRWR;
+                flash->command[1] = enable << 7;
+                return spi_write(flash->spi, flash->command, 2);
+        }
 }
 
 /*
@@ -668,6 +681,7 @@ static const struct spi_device_id m25p_ids[] = {
         /* Macronix */
         { "mx25l4005a",  INFO(0xc22013, 0, 64 * 1024,   8, SECT_4K) },
         { "mx25l8005",   INFO(0xc22014, 0, 64 * 1024,  16, 0) },
+        { "mx25l1606e",  INFO(0xc22015, 0, 64 * 1024,  32, SECT_4K) },
         { "mx25l3205d",  INFO(0xc22016, 0, 64 * 1024,  64, 0) },
         { "mx25l6405d",  INFO(0xc22017, 0, 64 * 1024, 128, 0) },
         { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, 0) },
@@ -684,6 +698,10 @@ static const struct spi_device_id m25p_ids[] = {
         { "s25sl032a",  INFO(0x010215,      0,  64 * 1024,  64, 0) },
         { "s25sl032p",  INFO(0x010215, 0x4d00,  64 * 1024,  64, SECT_4K) },
         { "s25sl064a",  INFO(0x010216,      0,  64 * 1024, 128, 0) },
+        { "s25fl256s0", INFO(0x010219, 0x4d00, 256 * 1024, 128, 0) },
+        { "s25fl256s1", INFO(0x010219, 0x4d01,  64 * 1024, 512, 0) },
+        { "s25fl512s",  INFO(0x010220, 0x4d00, 256 * 1024, 256, 0) },
+        { "s70fl01gs",  INFO(0x010221, 0x4d00, 256 * 1024, 256, 0) },
         { "s25sl12800", INFO(0x012018, 0x0300, 256 * 1024,  64, 0) },
         { "s25sl12801", INFO(0x012018, 0x0301,  64 * 1024, 256, 0) },
         { "s25fl129p0", INFO(0x012018, 0x4d00, 256 * 1024,  64, 0) },
@@ -729,7 +747,10 @@ static const struct spi_device_id m25p_ids[] = {
         { "m25pe80", INFO(0x208014,  0, 64 * 1024, 16,       0) },
         { "m25pe16", INFO(0x208015,  0, 64 * 1024, 32, SECT_4K) },
 
-        { "m25px64", INFO(0x207117,  0, 64 * 1024, 128, 0) },
+        { "m25px32",    INFO(0x207116,  0, 64 * 1024, 64, SECT_4K) },
+        { "m25px32-s0", INFO(0x207316,  0, 64 * 1024, 64, SECT_4K) },
+        { "m25px32-s1", INFO(0x206316,  0, 64 * 1024, 64, SECT_4K) },
+        { "m25px64",    INFO(0x207117,  0, 64 * 1024, 128, 0) },
 
         /* Winbond -- w25x "blocks" are 64K, "sectors" are 4KiB */
         { "w25x10", INFO(0xef3011, 0, 64 * 1024,  2,  SECT_4K) },
@@ -804,6 +825,8 @@ static int __devinit m25p_probe(struct spi_device *spi)
         struct m25p                     *flash;
         struct flash_info               *info;
         unsigned                        i;
+        struct mtd_partition            *parts = NULL;
+        int                             nr_parts = 0;
 
         /* Platform data helps sort out which chip type we have, as
          * well as how this board partitions it.  If we don't have
@@ -868,9 +891,9 @@ static int __devinit m25p_probe(struct spi_device *spi)
          * up with the software protection bits set
          */
 
-        if (info->jedec_id >> 16 == 0x1f ||
-            info->jedec_id >> 16 == 0x89 ||
-            info->jedec_id >> 16 == 0xbf) {
+        if (JEDEC_MFR(info->jedec_id) == CFI_MFR_ATMEL ||
+            JEDEC_MFR(info->jedec_id) == CFI_MFR_INTEL ||
+            JEDEC_MFR(info->jedec_id) == CFI_MFR_SST) {
                 write_enable(flash);
                 write_sr(flash, 0);
         }
@@ -888,7 +911,7 @@ static int __devinit m25p_probe(struct spi_device *spi)
         flash->mtd.read = m25p80_read;
 
         /* sst flash chips use AAI word program */
-        if (info->jedec_id >> 16 == 0xbf)
+        if (JEDEC_MFR(info->jedec_id) == CFI_MFR_SST)
                 flash->mtd.write = sst_write;
         else
                 flash->mtd.write = m25p80_write;
@@ -914,7 +937,7 @@ static int __devinit m25p_probe(struct spi_device *spi)
                 /* enable 4-byte addressing if the device exceeds 16MiB */
                 if (flash->mtd.size > 0x1000000) {
                         flash->addr_width = 4;
-                        set_4byte(flash, 1);
+                        set_4byte(flash, info->jedec_id, 1);
                 } else
                         flash->addr_width = 3;
         }
@@ -945,48 +968,41 @@ static int __devinit m25p_probe(struct spi_device *spi)
         /* partitions should match sector boundaries; and it may be good to
          * use readonly partitions for writeprotected sectors (BP2..BP0).
          */
-        if (mtd_has_partitions()) {
-                struct mtd_partition    *parts = NULL;
-                int                     nr_parts = 0;
-
-                if (mtd_has_cmdlinepart()) {
-                        static const char *part_probes[]
-                                        = { "cmdlinepart", NULL, };
+        if (mtd_has_cmdlinepart()) {
+                static const char *part_probes[]
+                        = { "cmdlinepart", NULL, };
 
-                        nr_parts = parse_mtd_partitions(&flash->mtd,
-                                        part_probes, &parts, 0);
-                }
+                nr_parts = parse_mtd_partitions(&flash->mtd,
+                                                part_probes, &parts, 0);
+        }
 
-                if (nr_parts <= 0 && data && data->parts) {
-                        parts = data->parts;
-                        nr_parts = data->nr_parts;
-                }
+        if (nr_parts <= 0 && data && data->parts) {
+                parts = data->parts;
+                nr_parts = data->nr_parts;
+        }
 
 #ifdef CONFIG_MTD_OF_PARTS
-                if (nr_parts <= 0 && spi->dev.of_node) {
-                        nr_parts = of_mtd_parse_partitions(&spi->dev,
-                                        spi->dev.of_node, &parts);
-                }
+        if (nr_parts <= 0 && spi->dev.of_node) {
+                nr_parts = of_mtd_parse_partitions(&spi->dev,
+                                                   spi->dev.of_node, &parts);
+        }
 #endif
 
-                if (nr_parts > 0) {
-                        for (i = 0; i < nr_parts; i++) {
-                                DEBUG(MTD_DEBUG_LEVEL2, "partitions[%d] = "
-                                        "{.name = %s, .offset = 0x%llx, "
-                                                ".size = 0x%llx (%lldKiB) }\n",
-                                        i, parts[i].name,
-                                        (long long)parts[i].offset,
-                                        (long long)parts[i].size,
-                                        (long long)(parts[i].size >> 10));
-                        }
-                        flash->partitioned = 1;
-                        return add_mtd_partitions(&flash->mtd, parts, nr_parts);
+        if (nr_parts > 0) {
+                for (i = 0; i < nr_parts; i++) {
+                        DEBUG(MTD_DEBUG_LEVEL2, "partitions[%d] = "
+                              "{.name = %s, .offset = 0x%llx, "
+                              ".size = 0x%llx (%lldKiB) }\n",
+                              i, parts[i].name,
+                              (long long)parts[i].offset,
+                              (long long)parts[i].size,
+                              (long long)(parts[i].size >> 10));
                 }
-        } else if (data && data->nr_parts)
-                dev_warn(&spi->dev, "ignoring %d default partitions on %s\n",
-                                data->nr_parts, data->name);
+                flash->partitioned = 1;
+        }
 
-        return add_mtd_device(&flash->mtd) == 1 ? -ENODEV : 0;
+        return mtd_device_register(&flash->mtd, parts, nr_parts) == 1 ?
+                -ENODEV : 0;
 }
 
 
@@ -996,10 +1012,7 @@ static int __devexit m25p_remove(struct spi_device *spi)
         int             status;
 
         /* Clean up MTD stuff. */
-        if (mtd_has_partitions() && flash->partitioned)
-                status = del_mtd_partitions(&flash->mtd);
-        else
-                status = del_mtd_device(&flash->mtd);
+        status = mtd_device_unregister(&flash->mtd);
         if (status == 0) {
                 kfree(flash->command);
                 kfree(flash);
diff --git a/drivers/mtd/devices/ms02-nv.c b/drivers/mtd/devices/ms02-nv.c
index 6a9a24a80a6d..8423fb6d4f26 100644
--- a/drivers/mtd/devices/ms02-nv.c
+++ b/drivers/mtd/devices/ms02-nv.c
@@ -220,7 +220,7 @@ static int __init ms02nv_init_one(ulong addr)
         mtd->writesize = 1;
 
         ret = -EIO;
-        if (add_mtd_device(mtd)) {
+        if (mtd_device_register(mtd, NULL, 0)) {
                 printk(KERN_ERR
                         "ms02-nv: Unable to register MTD device, aborting!\n");
                 goto err_out_csr_res;
@@ -262,7 +262,7 @@ static void __exit ms02nv_remove_one(void)
 
         root_ms02nv_mtd = mp->next;
 
-        del_mtd_device(mtd);
+        mtd_device_unregister(mtd);
 
         release_resource(mp->resource.csr);
         kfree(mp->resource.csr);
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index c5015cc721d5..13749d458a31 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -637,6 +637,8 @@ add_dataflash_otp(struct spi_device *spi, char *name,
         struct flash_platform_data      *pdata = spi->dev.platform_data;
         char                            *otp_tag = "";
         int                             err = 0;
+        struct mtd_partition            *parts;
+        int                             nr_parts = 0;
 
         priv = kzalloc(sizeof *priv, GFP_KERNEL);
         if (!priv)
@@ -675,33 +677,25 @@ add_dataflash_otp(struct spi_device *spi, char *name,
                         pagesize, otp_tag);
         dev_set_drvdata(&spi->dev, priv);
 
-        if (mtd_has_partitions()) {
-                struct mtd_partition    *parts;
-                int                     nr_parts = 0;
+        if (mtd_has_cmdlinepart()) {
+                static const char *part_probes[] = { "cmdlinepart", NULL, };
 
-                if (mtd_has_cmdlinepart()) {
-                        static const char *part_probes[]
-                                        = { "cmdlinepart", NULL, };
-
-                        nr_parts = parse_mtd_partitions(device,
-                                        part_probes, &parts, 0);
-                }
+                nr_parts = parse_mtd_partitions(device, part_probes, &parts,
+                                                0);
+        }
 
-                if (nr_parts <= 0 && pdata && pdata->parts) {
-                        parts = pdata->parts;
-                        nr_parts = pdata->nr_parts;
-                }
+        if (nr_parts <= 0 && pdata && pdata->parts) {
+                parts = pdata->parts;
+                nr_parts = pdata->nr_parts;
+        }
 
-                if (nr_parts > 0) {
-                        priv->partitioned = 1;
-                        err = add_mtd_partitions(device, parts, nr_parts);
-                        goto out;
-                }
-        } else if (pdata && pdata->nr_parts)
-                dev_warn(&spi->dev, "ignoring %d default partitions on %s\n",
-                                pdata->nr_parts, device->name);
+        if (nr_parts > 0) {
+                priv->partitioned = 1;
+                err = mtd_device_register(device, parts, nr_parts);
+                goto out;
+        }
 
-        if (add_mtd_device(device) == 1)
+        if (mtd_device_register(device, NULL, 0) == 1)
                 err = -ENODEV;
 
 out:
@@ -939,10 +933,7 @@ static int __devexit dataflash_remove(struct spi_device *spi)
 
         DEBUG(MTD_DEBUG_LEVEL1, "%s: remove\n", dev_name(&spi->dev));
 
-        if (mtd_has_partitions() && flash->partitioned)
-                status = del_mtd_partitions(&flash->mtd);
-        else
-                status = del_mtd_device(&flash->mtd);
+        status = mtd_device_unregister(&flash->mtd);
         if (status == 0) {
                 dev_set_drvdata(&spi->dev, NULL);
                 kfree(flash);
diff --git a/drivers/mtd/devices/mtdram.c b/drivers/mtd/devices/mtdram.c
index 1483e18971ce..2562689ba6b4 100644
--- a/drivers/mtd/devices/mtdram.c
+++ b/drivers/mtd/devices/mtdram.c
@@ -104,7 +104,7 @@ static int ram_write(struct mtd_info *mtd, loff_t to, size_t len,
 static void __exit cleanup_mtdram(void)
 {
         if (mtd_info) {
-                del_mtd_device(mtd_info);
+                mtd_device_unregister(mtd_info);
                 vfree(mtd_info->priv);
                 kfree(mtd_info);
         }
@@ -133,9 +133,8 @@ int mtdram_init_device(struct mtd_info *mtd, void *mapped_address,
         mtd->read = ram_read;
         mtd->write = ram_write;
 
-        if (add_mtd_device(mtd)) {
+        if (mtd_device_register(mtd, NULL, 0))
                 return -EIO;
-        }
 
         return 0;
 }
diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c
index 8d28fa02a5a2..23423bd00b06 100644
--- a/drivers/mtd/devices/phram.c
+++ b/drivers/mtd/devices/phram.c
@@ -115,7 +115,7 @@ static void unregister_devices(void)
         struct phram_mtd_list *this, *safe;
 
         list_for_each_entry_safe(this, safe, &phram_list, list) {
-                del_mtd_device(&this->mtd);
+                mtd_device_unregister(&this->mtd);
                 iounmap(this->mtd.priv);
                 kfree(this->mtd.name);
                 kfree(this);
@@ -153,7 +153,7 @@ static int register_device(char *name, unsigned long start, unsigned long len)
         new->mtd.writesize = 1;
 
         ret = -EAGAIN;
-        if (add_mtd_device(&new->mtd)) {
+        if (mtd_device_register(&new->mtd, NULL, 0)) {
                 pr_err("Failed to register new device\n");
                 goto out2;
         }
diff --git a/drivers/mtd/devices/pmc551.c b/drivers/mtd/devices/pmc551.c
index 41b8cdcc64cb..ecff765579dd 100644
--- a/drivers/mtd/devices/pmc551.c
+++ b/drivers/mtd/devices/pmc551.c
@@ -798,7 +798,7 @@ static int __init init_pmc551(void)
                 mtd->writesize = 1;
                 mtd->owner = THIS_MODULE;
 
-                if (add_mtd_device(mtd)) {
+                if (mtd_device_register(mtd, NULL, 0)) {
                         printk(KERN_NOTICE "pmc551: Failed to register new device\n");
                         pci_iounmap(PCI_Device, priv->start);
                         kfree(mtd->priv);
@@ -806,7 +806,7 @@ static int __init init_pmc551(void)
                         break;
                 }
 
-                /* Keep a reference as the add_mtd_device worked */
+                /* Keep a reference as the mtd_device_register worked */
                 pci_dev_get(PCI_Device);
 
                 printk(KERN_NOTICE "Registered pmc551 memory device.\n");
@@ -856,7 +856,7 @@ static void __exit cleanup_pmc551(void)
                 pci_dev_put(priv->dev);
 
                 kfree(mtd->priv);
-                del_mtd_device(mtd);
+                mtd_device_unregister(mtd);
                 kfree(mtd);
                 found++;
         }
diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c
index 592016a0668f..e585263161b9 100644
--- a/drivers/mtd/devices/slram.c
+++ b/drivers/mtd/devices/slram.c
@@ -210,7 +210,7 @@ static int register_device(char *name, unsigned long start, unsigned long length
         (*curmtd)->mtdinfo->erasesize = SLRAM_BLK_SZ;
         (*curmtd)->mtdinfo->writesize = 1;
 
-        if (add_mtd_device((*curmtd)->mtdinfo)) {
+        if (mtd_device_register((*curmtd)->mtdinfo, NULL, 0))   {
                 E("slram: Failed to register new device\n");
                 iounmap(((slram_priv_t *)(*curmtd)->mtdinfo->priv)->start);
                 kfree((*curmtd)->mtdinfo->priv);
@@ -231,7 +231,7 @@ static void unregister_devices(void)
 
         while (slram_mtdlist) {
                 nextitem = slram_mtdlist->next;
-                del_mtd_device(slram_mtdlist->mtdinfo);
+                mtd_device_unregister(slram_mtdlist->mtdinfo);
                 iounmap(((slram_priv_t *)slram_mtdlist->mtdinfo->priv)->start);
                 kfree(slram_mtdlist->mtdinfo->priv);
                 kfree(slram_mtdlist->mtdinfo);
diff --git a/drivers/mtd/devices/sst25l.c b/drivers/mtd/devices/sst25l.c
index c163e619abc9..1e2c430aaad2 100644
--- a/drivers/mtd/devices/sst25l.c
+++ b/drivers/mtd/devices/sst25l.c
@@ -66,7 +66,7 @@ struct flash_info {
 
 #define to_sst25l_flash(x) container_of(x, struct sst25l_flash, mtd)
 
-static struct flash_info __initdata sst25l_flash_info[] = {
+static struct flash_info __devinitdata sst25l_flash_info[] = {
         {"sst25lf020a", 0xbf43, 256, 1024, 4096},
         {"sst25lf040a", 0xbf44, 256, 2048, 4096},
 };
@@ -381,6 +381,8 @@ static int __devinit sst25l_probe(struct spi_device *spi)
         struct sst25l_flash *flash;
         struct flash_platform_data *data;
         int ret, i;
+        struct mtd_partition *parts = NULL;
+        int nr_parts = 0;
 
         flash_info = sst25l_match_device(spi);
         if (!flash_info)
@@ -420,46 +422,37 @@ static int __devinit sst25l_probe(struct spi_device *spi)
               flash->mtd.erasesize, flash->mtd.erasesize / 1024,
               flash->mtd.numeraseregions);
 
-        if (mtd_has_partitions()) {
-                struct mtd_partition *parts = NULL;
-                int nr_parts = 0;
 
-                if (mtd_has_cmdlinepart()) {
-                        static const char *part_probes[] =
-                                {"cmdlinepart", NULL};
+        if (mtd_has_cmdlinepart()) {
+                static const char *part_probes[] = {"cmdlinepart", NULL};
 
-                        nr_parts = parse_mtd_partitions(&flash->mtd,
-                                                        part_probes,
-                                                        &parts, 0);
-                }
+                nr_parts = parse_mtd_partitions(&flash->mtd,
+                                                part_probes,
+                                                &parts, 0);
+        }
 
-                if (nr_parts <= 0 && data && data->parts) {
-                        parts = data->parts;
-                        nr_parts = data->nr_parts;
-                }
+        if (nr_parts <= 0 && data && data->parts) {
+                parts = data->parts;
+                nr_parts = data->nr_parts;
+        }
 
-                if (nr_parts > 0) {
-                        for (i = 0; i < nr_parts; i++) {
-                                DEBUG(MTD_DEBUG_LEVEL2, "partitions[%d] = "
-                                      "{.name = %s, .offset = 0x%llx, "
-                                      ".size = 0x%llx (%lldKiB) }\n",
-                                      i, parts[i].name,
-                                      (long long)parts[i].offset,
-                                      (long long)parts[i].size,
-                                      (long long)(parts[i].size >> 10));
-                        }
-
-                        flash->partitioned = 1;
-                        return add_mtd_partitions(&flash->mtd,
-                                                  parts, nr_parts);
+        if (nr_parts > 0) {
+                for (i = 0; i < nr_parts; i++) {
+                        DEBUG(MTD_DEBUG_LEVEL2, "partitions[%d] = "
+                              "{.name = %s, .offset = 0x%llx, "
+                              ".size = 0x%llx (%lldKiB) }\n",
+                              i, parts[i].name,
+                              (long long)parts[i].offset,
+                              (long long)parts[i].size,
+                              (long long)(parts[i].size >> 10));
                 }
 
-        } else if (data && data->nr_parts) {
-                dev_warn(&spi->dev, "ignoring %d default partitions on %s\n",
-                         data->nr_parts, data->name);
+                flash->partitioned = 1;
+                return mtd_device_register(&flash->mtd, parts,
+                                           nr_parts);
         }
 
-        ret = add_mtd_device(&flash->mtd);
+        ret = mtd_device_register(&flash->mtd, NULL, 0);
         if (ret == 1) {
                 kfree(flash);
                 dev_set_drvdata(&spi->dev, NULL);
@@ -469,15 +462,12 @@ static int __devinit sst25l_probe(struct spi_device *spi)
         return 0;
 }
 
-static int __exit sst25l_remove(struct spi_device *spi)
+static int __devexit sst25l_remove(struct spi_device *spi)
 {
         struct sst25l_flash *flash = dev_get_drvdata(&spi->dev);
         int ret;
 
-        if (mtd_has_partitions() && flash->partitioned)
-                ret = del_mtd_partitions(&flash->mtd);
-        else
-                ret = del_mtd_device(&flash->mtd);
+        ret = mtd_device_unregister(&flash->mtd);
         if (ret == 0)
                 kfree(flash);
         return ret;
@@ -490,7 +480,7 @@ static struct spi_driver sst25l_driver = {
                 .owner  = THIS_MODULE,
         },
         .probe          = sst25l_probe,
-        .remove         = __exit_p(sst25l_remove),
+        .remove         = __devexit_p(sst25l_remove),
 };
 
 static int __init sst25l_init(void)
diff --git a/drivers/mtd/lpddr/lpddr_cmds.c b/drivers/mtd/lpddr/lpddr_cmds.c
index 12679925b420..65655dd59e1f 100644
--- a/drivers/mtd/lpddr/lpddr_cmds.c
+++ b/drivers/mtd/lpddr/lpddr_cmds.c
@@ -313,12 +313,7 @@ static int chip_ready(struct map_info *map, struct flchip *chip, int mode)
                 if (ret) {
                         /* Oops. something got wrong. */
                         /* Resume and pretend we weren't here.  */
-                        map_write(map, CMD(LPDDR_RESUME),
-                                map->pfow_base + PFOW_COMMAND_CODE);
-                        map_write(map, CMD(LPDDR_START_EXECUTION),
-                                map->pfow_base + PFOW_COMMAND_EXECUTE);
-                        chip->state = FL_ERASING;
-                        chip->oldstate = FL_READY;
+                        put_chip(map, chip);
                         printk(KERN_ERR "%s: suspend operation failed."
                                         "State may be wrong \n", map->name);
                         return -EIO;
@@ -383,7 +378,6 @@ static void put_chip(struct map_info *map, struct flchip *chip)
 
         switch (chip->oldstate) {
         case FL_ERASING:
-                chip->state = chip->oldstate;
                 map_write(map, CMD(LPDDR_RESUME),
                                 map->pfow_base + PFOW_COMMAND_CODE);
                 map_write(map, CMD(LPDDR_START_EXECUTION),
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index 5069111c81cc..c0c328c5b133 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -82,7 +82,6 @@ config MTD_PHYSMAP_OF
 config MTD_PMC_MSP_EVM
         tristate "CFI Flash device mapped on PMC-Sierra MSP"
         depends on PMC_MSP && MTD_CFI
-        select MTD_PARTITIONS
         help
           This provides a 'mapping' driver which supports the way
           in which user-programmable flash chips are connected on the
@@ -122,7 +121,7 @@ config MTD_SC520CDP
 
 config MTD_NETSC520
         tristate "CFI Flash device mapped on AMD NetSc520"
-        depends on X86 && MTD_CFI && MTD_PARTITIONS
+        depends on X86 && MTD_CFI
         help
           This enables access routines for the flash chips on the AMD NetSc520
           demonstration board. If you have one of these boards and would like
@@ -131,7 +130,6 @@ config MTD_NETSC520
 config MTD_TS5500
         tristate "JEDEC Flash device mapped on Technologic Systems TS-5500"
         depends on X86
-        select MTD_PARTITIONS
         select MTD_JEDECPROBE
         select MTD_CFI_AMDSTD
         help
@@ -149,7 +147,7 @@ config MTD_TS5500
 
 config MTD_SBC_GXX
         tristate "CFI Flash device mapped on Arcom SBC-GXx boards"
-        depends on X86 && MTD_CFI_INTELEXT && MTD_PARTITIONS && MTD_COMPLEX_MAPPINGS
+        depends on X86 && MTD_CFI_INTELEXT && MTD_COMPLEX_MAPPINGS
         help
           This provides a driver for the on-board flash of Arcom Control
           Systems' SBC-GXn family of boards, formerly known as SBC-MediaGX.
@@ -161,7 +159,6 @@ config MTD_SBC_GXX
 config MTD_PXA2XX
         tristate "CFI Flash device mapped on Intel XScale PXA2xx based boards"
         depends on (PXA25x || PXA27x) && MTD_CFI_INTELEXT
-        select MTD_PARTITIONS
         help
           This provides a driver for the NOR flash attached to a PXA2xx chip.
 
@@ -185,7 +182,7 @@ config MTD_VMAX
 
 config MTD_SCx200_DOCFLASH
         tristate "Flash device mapped with DOCCS on NatSemi SCx200"
-        depends on SCx200 && MTD_CFI && MTD_PARTITIONS
+        depends on SCx200 && MTD_CFI
         help
           Enable support for a flash chip mapped using the DOCCS signal on a
           National Semiconductor SCx200 processor.
@@ -247,7 +244,7 @@ config MTD_TSUNAMI
 
 config MTD_NETtel
         tristate "CFI flash device on SnapGear/SecureEdge"
-        depends on X86 && MTD_PARTITIONS && MTD_JEDECPROBE
+        depends on X86 && MTD_JEDECPROBE
         help
           Support for flash chips on NETtel/SecureEdge/SnapGear boards.
 
@@ -269,7 +266,7 @@ config MTD_LANTIQ
 
 config MTD_DILNETPC
         tristate "CFI Flash device mapped on DIL/Net PC"
-        depends on X86 && MTD_PARTITIONS && MTD_CFI_INTELEXT && BROKEN
+        depends on X86 && MTD_CFI_INTELEXT && BROKEN
         help
           MTD map driver for SSV DIL/Net PC Boards "DNP" and "ADNP".
           For details, see <http://www.ssv-embedded.de/ssv/pc104/p169.htm>
@@ -355,7 +352,7 @@ config MTD_CDB89712
 
 config MTD_SA1100
         tristate "CFI Flash device mapped on StrongARM SA11x0"
-        depends on MTD_CFI && ARCH_SA1100 && MTD_PARTITIONS
+        depends on MTD_CFI && ARCH_SA1100
         help
           This enables access to the flash chips on most platforms based on
           the SA1100 and SA1110, including the Assabet and the Compaq iPAQ.
@@ -389,7 +386,7 @@ config MTD_IXP2000
 
 config MTD_FORTUNET
         tristate "CFI Flash device mapped on the FortuNet board"
-        depends on MTD_CFI && MTD_PARTITIONS && SA1100_FORTUNET
+        depends on MTD_CFI && SA1100_FORTUNET
         help
           This enables access to the Flash on the FortuNet board.  If you
           have such a board, say 'Y'.
@@ -461,7 +458,6 @@ config MTD_PCMCIA_ANONYMOUS
 config MTD_BFIN_ASYNC
         tristate "Blackfin BF533-STAMP Flash Chip Support"
         depends on BFIN533_STAMP && MTD_CFI && MTD_COMPLEX_MAPPINGS
-        select MTD_PARTITIONS
         default y
         help
           Map driver which allows for simultaneous utilization of
@@ -473,7 +469,6 @@ config MTD_GPIO_ADDR
         tristate "GPIO-assisted Flash Chip Support"
         depends on GENERIC_GPIO || GPIOLIB
         depends on MTD_COMPLEX_MAPPINGS
-        select MTD_PARTITIONS
         help
           Map driver which allows flashes to be partially physically addressed
           and assisted by GPIOs.
@@ -482,14 +477,13 @@ config MTD_GPIO_ADDR
 
 config MTD_UCLINUX
         bool "Generic uClinux RAM/ROM filesystem support"
-        depends on MTD_PARTITIONS && MTD_RAM=y && !MMU
+        depends on MTD_RAM=y && !MMU
         help
           Map driver to support image based filesystems for uClinux.
 
 config MTD_WRSBC8260
         tristate "Map driver for WindRiver PowerQUICC II MPC82xx board"
         depends on (SBC82xx || SBC8560)
-        select MTD_PARTITIONS
         select MTD_MAP_BANK_WIDTH_4
         select MTD_MAP_BANK_WIDTH_1
         select MTD_CFI_I1
@@ -502,7 +496,6 @@ config MTD_WRSBC8260
 config MTD_DMV182
         tristate "Map driver for Dy-4 SVME/DMV-182 board."
         depends on DMV182
-        select MTD_PARTITIONS
         select MTD_MAP_BANK_WIDTH_32
         select MTD_CFI_I8
         select MTD_CFI_AMDSTD
diff --git a/drivers/mtd/maps/amd76xrom.c b/drivers/mtd/maps/amd76xrom.c
index 92de7e3a49a5..e2875d6fe129 100644
--- a/drivers/mtd/maps/amd76xrom.c
+++ b/drivers/mtd/maps/amd76xrom.c
@@ -82,7 +82,7 @@ static void amd76xrom_cleanup(struct amd76xrom_window *window)
                 if (map->rsrc.parent) {
                         release_resource(&map->rsrc);
                 }
-                del_mtd_device(map->mtd);
+                mtd_device_unregister(map->mtd);
                 map_destroy(map->mtd);
                 list_del(&map->list);
                 kfree(map);
@@ -262,7 +262,7 @@ static int __devinit amd76xrom_init_one (struct pci_dev *pdev,
 
                 /* Now that the mtd devices is complete claim and export it */
                 map->mtd->owner = THIS_MODULE;
-                if (add_mtd_device(map->mtd)) {
+                if (mtd_device_register(map->mtd, NULL, 0)) {
                         map_destroy(map->mtd);
                         map->mtd = NULL;
                         goto out;
diff --git a/drivers/mtd/maps/autcpu12-nvram.c b/drivers/mtd/maps/autcpu12-nvram.c
index 53664188fc47..e5bfd0e093bb 100644
--- a/drivers/mtd/maps/autcpu12-nvram.c
+++ b/drivers/mtd/maps/autcpu12-nvram.c
@@ -88,7 +88,7 @@ map:
         sram_mtd->owner = THIS_MODULE;
         sram_mtd->erasesize = 16;
 
-        if (add_mtd_device(sram_mtd)) {
+        if (mtd_device_register(sram_mtd, NULL, 0)) {
                 printk("NV-RAM device addition failed\n");
                 err = -ENOMEM;
                 goto out_probe;
@@ -111,7 +111,7 @@ out:
 static void __exit cleanup_autcpu12_maps(void)
 {
         if (sram_mtd) {
-                del_mtd_device(sram_mtd);
+                mtd_device_unregister(sram_mtd);
                 map_destroy(sram_mtd);
                 iounmap((void *)autcpu12_sram_map.virt);
         }
diff --git a/drivers/mtd/maps/bcm963xx-flash.c b/drivers/mtd/maps/bcm963xx-flash.c
index 1f3049590d9e..608967fe74c6 100644
--- a/drivers/mtd/maps/bcm963xx-flash.c
+++ b/drivers/mtd/maps/bcm963xx-flash.c
@@ -224,8 +224,8 @@ probe_ok:
                 goto err_probe;
         }
 
-        return add_mtd_partitions(bcm963xx_mtd_info, parsed_parts,
-                                                parsed_nr_parts);
+        return mtd_device_register(bcm963xx_mtd_info, parsed_parts,
+                                   parsed_nr_parts);
 
 err_probe:
         iounmap(bcm963xx_map.virt);
@@ -235,7 +235,7 @@ err_probe:
 static int bcm963xx_remove(struct platform_device *pdev)
 {
         if (bcm963xx_mtd_info) {
-                del_mtd_partitions(bcm963xx_mtd_info);
+                mtd_device_unregister(bcm963xx_mtd_info);
                 map_destroy(bcm963xx_mtd_info);
         }
 
diff --git a/drivers/mtd/maps/bfin-async-flash.c b/drivers/mtd/maps/bfin-async-flash.c
index 85dd18193cf2..d4297a97e100 100644
--- a/drivers/mtd/maps/bfin-async-flash.c
+++ b/drivers/mtd/maps/bfin-async-flash.c
@@ -41,9 +41,7 @@ struct async_state {
         uint32_t flash_ambctl0, flash_ambctl1;
         uint32_t save_ambctl0, save_ambctl1;
         unsigned long irq_flags;
-#ifdef CONFIG_MTD_PARTITIONS
         struct mtd_partition *parts;
-#endif
 };
 
 static void switch_to_flash(struct async_state *state)
@@ -124,9 +122,7 @@ static void bfin_flash_copy_to(struct map_info *map, unsigned long to, const voi
         switch_back(state);
 }
 
-#ifdef CONFIG_MTD_PARTITIONS
 static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", NULL };
-#endif
 
 static int __devinit bfin_flash_probe(struct platform_device *pdev)
 {
@@ -169,22 +165,17 @@ static int __devinit bfin_flash_probe(struct platform_device *pdev)
                 return -ENXIO;
         }
 
-#ifdef CONFIG_MTD_PARTITIONS
         ret = parse_mtd_partitions(state->mtd, part_probe_types, &pdata->parts, 0);
         if (ret > 0) {
                 pr_devinit(KERN_NOTICE DRIVER_NAME ": Using commandline partition definition\n");
-                add_mtd_partitions(state->mtd, pdata->parts, ret);
+                mtd_device_register(state->mtd, pdata->parts, ret);
                 state->parts = pdata->parts;
-
         } else if (pdata->nr_parts) {
                 pr_devinit(KERN_NOTICE DRIVER_NAME ": Using board partition definition\n");
-                add_mtd_partitions(state->mtd, pdata->parts, pdata->nr_parts);
-
-        } else
-#endif
-        {
+                mtd_device_register(state->mtd, pdata->parts, pdata->nr_parts);
+        } else {
                 pr_devinit(KERN_NOTICE DRIVER_NAME ": no partition info available, registering whole flash at once\n");
-                add_mtd_device(state->mtd);
+                mtd_device_register(state->mtd, NULL, 0);
         }
 
         platform_set_drvdata(pdev, state);
@@ -196,10 +187,8 @@ static int __devexit bfin_flash_remove(struct platform_device *pdev)
 {
         struct async_state *state = platform_get_drvdata(pdev);
         gpio_free(state->enet_flash_pin);
-#ifdef CONFIG_MTD_PARTITIONS
-        del_mtd_partitions(state->mtd);
+        mtd_device_unregister(state->mtd);
         kfree(state->parts);
-#endif
         map_destroy(state->mtd);
         kfree(state);
         return 0;
diff --git a/drivers/mtd/maps/cdb89712.c b/drivers/mtd/maps/cdb89712.c
index 8d92d8db9a98..c29cbf87ea0c 100644
--- a/drivers/mtd/maps/cdb89712.c
+++ b/drivers/mtd/maps/cdb89712.c
@@ -75,7 +75,7 @@ static int __init init_cdb89712_flash (void)
 
         flash_mtd->owner = THIS_MODULE;
 
-        if (add_mtd_device(flash_mtd)) {
+        if (mtd_device_register(flash_mtd, NULL, 0)) {
                 printk("FLASH device addition failed\n");
                 err = -ENOMEM;
                 goto out_probe;
@@ -141,7 +141,7 @@ static int __init init_cdb89712_sram (void)
         sram_mtd->owner = THIS_MODULE;
         sram_mtd->erasesize = 16;
 
-        if (add_mtd_device(sram_mtd)) {
+        if (mtd_device_register(sram_mtd, NULL, 0)) {
                 printk("SRAM device addition failed\n");
                 err = -ENOMEM;
                 goto out_probe;
@@ -209,7 +209,7 @@ static int __init init_cdb89712_bootrom (void)
         bootrom_mtd->owner = THIS_MODULE;
         bootrom_mtd->erasesize = 0x10000;
 
-        if (add_mtd_device(bootrom_mtd)) {
+        if (mtd_device_register(bootrom_mtd, NULL, 0)) {
                 printk("BootROM device addition failed\n");
                 err = -ENOMEM;
                 goto out_probe;
@@ -249,21 +249,21 @@ static int __init init_cdb89712_maps(void)
 static void __exit cleanup_cdb89712_maps(void)
 {
         if (sram_mtd) {
-                del_mtd_device(sram_mtd);
+                mtd_device_unregister(sram_mtd);
                 map_destroy(sram_mtd);
                 iounmap((void *)cdb89712_sram_map.virt);
                 release_resource (&cdb89712_sram_resource);
         }
 
         if (flash_mtd) {
-                del_mtd_device(flash_mtd);
+                mtd_device_unregister(flash_mtd);
                 map_destroy(flash_mtd);
                 iounmap((void *)cdb89712_flash_map.virt);
                 release_resource (&cdb89712_flash_resource);
         }
 
         if (bootrom_mtd) {
-                del_mtd_device(bootrom_mtd);
+                mtd_device_unregister(bootrom_mtd);
                 map_destroy(bootrom_mtd);
                 iounmap((void *)cdb89712_bootrom_map.virt);
                 release_resource (&cdb89712_bootrom_resource);
diff --git a/drivers/mtd/maps/ceiva.c b/drivers/mtd/maps/ceiva.c
index 23f551dc8ca8..06f9c9815720 100644
--- a/drivers/mtd/maps/ceiva.c
+++ b/drivers/mtd/maps/ceiva.c
@@ -224,7 +224,7 @@ static void __exit clps_destroy_mtd(struct clps_info *clps, struct mtd_info *mtd
 {
         int i;
 
-        del_mtd_partitions(mtd);
+        mtd_device_unregister(mtd);
 
         if (mtd != clps[0].mtd)
                 mtd_concat_destroy(mtd);
@@ -292,11 +292,11 @@ static void __init clps_locate_partitions(struct mtd_info *mtd)
         if (nr_parts == 0) {
                 printk(KERN_NOTICE "clps flash: no partition info "
                         "available, registering whole flash\n");
-                add_mtd_device(mtd);
+                mtd_device_register(mtd, NULL, 0);
         } else {
                 printk(KERN_NOTICE "clps flash: using %s partition "
                         "definition\n", part_type);
-                add_mtd_partitions(mtd, parsed_parts, nr_parts);
+                mtd_device_register(mtd, parsed_parts, nr_parts);
         }
 
         /* Always succeeds. */
diff --git a/drivers/mtd/maps/cfi_flagadm.c b/drivers/mtd/maps/cfi_flagadm.c
index f71343cd77cc..d16fc9d3b8cd 100644
--- a/drivers/mtd/maps/cfi_flagadm.c
+++ b/drivers/mtd/maps/cfi_flagadm.c
@@ -107,7 +107,7 @@ static int __init init_flagadm(void)
         mymtd = do_map_probe("cfi_probe", &flagadm_map);
         if (mymtd) {
                 mymtd->owner = THIS_MODULE;
-                add_mtd_partitions(mymtd, flagadm_parts, PARTITION_COUNT);
+                mtd_device_register(mymtd, flagadm_parts, PARTITION_COUNT);
                 printk(KERN_NOTICE "FlagaDM flash device initialized\n");
                 return 0;
         }
@@ -119,7 +119,7 @@ static int __init init_flagadm(void)
 static void __exit cleanup_flagadm(void)
 {
         if (mymtd) {
-                del_mtd_partitions(mymtd);
+                mtd_device_unregister(mymtd);
                 map_destroy(mymtd);
         }
         if (flagadm_map.virt) {
diff --git a/drivers/mtd/maps/ck804xrom.c b/drivers/mtd/maps/ck804xrom.c
index 5fdb7b26cea3..3d0e762fa5f2 100644
--- a/drivers/mtd/maps/ck804xrom.c
+++ b/drivers/mtd/maps/ck804xrom.c
@@ -94,7 +94,7 @@ static void ck804xrom_cleanup(struct ck804xrom_window *window)
                 if (map->rsrc.parent)
                         release_resource(&map->rsrc);
 
-                del_mtd_device(map->mtd);
+                mtd_device_unregister(map->mtd);
                 map_destroy(map->mtd);
                 list_del(&map->list);
                 kfree(map);
@@ -291,7 +291,7 @@ static int __devinit ck804xrom_init_one (struct pci_dev *pdev,
 
                 /* Now that the mtd devices is complete claim and export it */
                 map->mtd->owner = THIS_MODULE;
-                if (add_mtd_device(map->mtd)) {
+                if (mtd_device_register(map->mtd, NULL, 0)) {
                         map_destroy(map->mtd);
                         map->mtd = NULL;
                         goto out;
diff --git a/drivers/mtd/maps/dbox2-flash.c b/drivers/mtd/maps/dbox2-flash.c
index cfacfa6f45dd..85bdece6ab3f 100644
--- a/drivers/mtd/maps/dbox2-flash.c
+++ b/drivers/mtd/maps/dbox2-flash.c
@@ -93,7 +93,7 @@ static int __init init_dbox2_flash(void)
                 mymtd->owner = THIS_MODULE;
 
                 /* Create MTD devices for each partition. */
-                add_mtd_partitions(mymtd, partition_info, NUM_PARTITIONS);
+                mtd_device_register(mymtd, partition_info, NUM_PARTITIONS);
 
                 return 0;
         }
@@ -105,7 +105,7 @@ static int __init init_dbox2_flash(void)
 static void __exit cleanup_dbox2_flash(void)
 {
         if (mymtd) {
-                del_mtd_partitions(mymtd);
+                mtd_device_unregister(mymtd);
                 map_destroy(mymtd);
         }
         if (dbox2_flash_map.virt) {
diff --git a/drivers/mtd/maps/dc21285.c b/drivers/mtd/maps/dc21285.c
index b3cb3a183809..7a9e1989c977 100644
--- a/drivers/mtd/maps/dc21285.c
+++ b/drivers/mtd/maps/dc21285.c
@@ -145,17 +145,13 @@ static struct map_info dc21285_map = {
 
 
 /* Partition stuff */
-#ifdef CONFIG_MTD_PARTITIONS
 static struct mtd_partition *dc21285_parts;
 static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };
-#endif
 
 static int __init init_dc21285(void)
 {
 
-#ifdef CONFIG_MTD_PARTITIONS
         int nrparts;
-#endif
 
         /* Determine bankwidth */
         switch (*CSR_SA110_CNTL & (3<<14)) {
@@ -204,13 +200,8 @@ static int __init init_dc21285(void)
 
         dc21285_mtd->owner = THIS_MODULE;
 
-#ifdef CONFIG_MTD_PARTITIONS
         nrparts = parse_mtd_partitions(dc21285_mtd, probes, &dc21285_parts, 0);
-        if (nrparts > 0)
-                add_mtd_partitions(dc21285_mtd, dc21285_parts, nrparts);
-        else
-#endif
-                add_mtd_device(dc21285_mtd);
+        mtd_device_register(dc21285_mtd, dc21285_parts, nrparts);
 
         if(machine_is_ebsa285()) {
                 /*
@@ -232,14 +223,9 @@ static int __init init_dc21285(void)
 
 static void __exit cleanup_dc21285(void)
 {
-#ifdef CONFIG_MTD_PARTITIONS
-        if (dc21285_parts) {
-                del_mtd_partitions(dc21285_mtd);
+        mtd_device_unregister(dc21285_mtd);
+        if (dc21285_parts)
                 kfree(dc21285_parts);
-        } else
-#endif
-                del_mtd_device(dc21285_mtd);
-
         map_destroy(dc21285_mtd);
         iounmap(dc21285_map.virt);
 }
diff --git a/drivers/mtd/maps/dilnetpc.c b/drivers/mtd/maps/dilnetpc.c
index 0713e3a5a22c..3e393f0da823 100644
--- a/drivers/mtd/maps/dilnetpc.c
+++ b/drivers/mtd/maps/dilnetpc.c
@@ -450,7 +450,7 @@ static int __init init_dnpc(void)
         partition_info[2].mtdp = &lowlvl_parts[1];
         partition_info[3].mtdp = &lowlvl_parts[3];
 
-        add_mtd_partitions(mymtd, partition_info, NUM_PARTITIONS);
+        mtd_device_register(mymtd, partition_info, NUM_PARTITIONS);
 
         /*
         ** now create a virtual MTD device by concatenating the for partitions
@@ -463,7 +463,8 @@ static int __init init_dnpc(void)
                 ** we do not supply mtd pointers in higlvl_partition_info, so
                 ** add_mtd_partitions() will register the devices.
                 */
-                add_mtd_partitions(merged_mtd, higlvl_partition_info, NUM_HIGHLVL_PARTITIONS);
+                mtd_device_register(merged_mtd, higlvl_partition_info,
+                                    NUM_HIGHLVL_PARTITIONS);
         }
 
         return 0;
@@ -472,12 +473,12 @@ static int __init init_dnpc(void)
 static void __exit cleanup_dnpc(void)
 {
         if(merged_mtd) {
-                del_mtd_partitions(merged_mtd);
+                mtd_device_unregister(merged_mtd);
                 mtd_concat_destroy(merged_mtd);
         }
 
         if (mymtd) {
-                del_mtd_partitions(mymtd);
+                mtd_device_unregister(mymtd);
                 map_destroy(mymtd);
         }
         if (dnpc_map.virt) {
diff --git a/drivers/mtd/maps/dmv182.c b/drivers/mtd/maps/dmv182.c
index d171674eb2ed..6538ac675e00 100644
--- a/drivers/mtd/maps/dmv182.c
+++ b/drivers/mtd/maps/dmv182.c
@@ -120,7 +120,7 @@ static int __init init_svme182(void)
                    this_mtd->size >> 20, FLASH_BASE_ADDR);
 
         this_mtd->owner = THIS_MODULE;
-        add_mtd_partitions(this_mtd, partitions, num_parts);
+        mtd_device_register(this_mtd, partitions, num_parts);
 
         return 0;
 }
@@ -129,7 +129,7 @@ static void __exit cleanup_svme182(void)
 {
         if (this_mtd)
         {
-                del_mtd_partitions(this_mtd);
+                mtd_device_unregister(this_mtd);
                 map_destroy(this_mtd);
         }
 
diff --git a/drivers/mtd/maps/edb7312.c b/drivers/mtd/maps/edb7312.c
index be9e90b44587..fe42a212bb3e 100644
--- a/drivers/mtd/maps/edb7312.c
+++ b/drivers/mtd/maps/edb7312.c
@@ -15,10 +15,7 @@
 #include <asm/io.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/map.h>
-
-#ifdef CONFIG_MTD_PARTITIONS
 #include <linux/mtd/partitions.h>
-#endif
 
 #define WINDOW_ADDR 0x00000000      /* physical properties of flash */
 #define WINDOW_SIZE 0x01000000
@@ -40,8 +37,6 @@ struct map_info edb7312nor_map = {
         .phys = WINDOW_ADDR,
 };
 
-#ifdef CONFIG_MTD_PARTITIONS
-
 /*
  * MTD partitioning stuff
  */
@@ -66,8 +61,6 @@ static struct mtd_partition static_partitions[3] =
 
 static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };
 
-#endif
-
 static int                   mtd_parts_nb = 0;
 static struct mtd_partition *mtd_parts    = 0;
 
@@ -96,27 +89,24 @@ static int __init init_edb7312nor(void)
         if (mymtd) {
                 mymtd->owner = THIS_MODULE;
 
-#ifdef CONFIG_MTD_PARTITIONS
                 mtd_parts_nb = parse_mtd_partitions(mymtd, probes, &mtd_parts, MTDID);
                 if (mtd_parts_nb > 0)
-                  part_type = "detected";
+                        part_type = "detected";
 
-                if (mtd_parts_nb == 0)
-                {
+                if (mtd_parts_nb == 0) {
                         mtd_parts = static_partitions;
                         mtd_parts_nb = ARRAY_SIZE(static_partitions);
                         part_type = "static";
                 }
-#endif
-                add_mtd_device(mymtd);
+
                 if (mtd_parts_nb == 0)
-                  printk(KERN_NOTICE MSG_PREFIX "no partition info available\n");
+                        printk(KERN_NOTICE MSG_PREFIX "no partition info available\n");
                 else
-                {
                         printk(KERN_NOTICE MSG_PREFIX
                                "using %s partition definition\n", part_type);
-                        add_mtd_partitions(mymtd, mtd_parts, mtd_parts_nb);
-                }
+                /* Register the whole device first. */
+                mtd_device_register(mymtd, NULL, 0);
+                mtd_device_register(mymtd, mtd_parts, mtd_parts_nb);
                 return 0;
         }
 
@@ -127,7 +117,7 @@ static int __init init_edb7312nor(void)
 static void __exit cleanup_edb7312nor(void)
 {
         if (mymtd) {
-                del_mtd_device(mymtd);
+                mtd_device_unregister(mymtd);
                 map_destroy(mymtd);
         }
         if (edb7312nor_map.virt) {
diff --git a/drivers/mtd/maps/esb2rom.c b/drivers/mtd/maps/esb2rom.c
index 4feb7507ab7c..08322b1c3e81 100644
--- a/drivers/mtd/maps/esb2rom.c
+++ b/drivers/mtd/maps/esb2rom.c
@@ -128,7 +128,7 @@ static void esb2rom_cleanup(struct esb2rom_window *window)
         list_for_each_entry_safe(map, scratch, &window->maps, list) {
                 if (map->rsrc.parent)
                         release_resource(&map->rsrc);
-                del_mtd_device(map->mtd);
+                mtd_device_unregister(map->mtd);
                 map_destroy(map->mtd);
                 list_del(&map->list);
                 kfree(map);
@@ -352,7 +352,7 @@ static int __devinit esb2rom_init_one(struct pci_dev *pdev,
 
                 /* Now that the mtd devices is complete claim and export it */
                 map->mtd->owner = THIS_MODULE;
-                if (add_mtd_device(map->mtd)) {
+                if (mtd_device_register(map->mtd, NULL, 0)) {
                         map_destroy(map->mtd);
                         map->mtd = NULL;
                         goto out;
diff --git a/drivers/mtd/maps/fortunet.c b/drivers/mtd/maps/fortunet.c
index 1e43124d498b..956e2e4f30ea 100644
--- a/drivers/mtd/maps/fortunet.c
+++ b/drivers/mtd/maps/fortunet.c
@@ -243,8 +243,9 @@ static int __init init_fortunet(void)
                                         &map_regions[ix].map_info);
                         }
                         map_regions[ix].mymtd->owner = THIS_MODULE;
-                        add_mtd_partitions(map_regions[ix].mymtd,
-                                map_regions[ix].parts,map_regions_parts[ix]);
+                        mtd_device_register(map_regions[ix].mymtd,
+                                            map_regions[ix].parts,
+                                            map_regions_parts[ix]);
                 }
         }
         if(iy)
@@ -261,7 +262,7 @@ static void __exit cleanup_fortunet(void)
                 {
                         if( map_regions[ix].mymtd )
                         {
-                                del_mtd_partitions( map_regions[ix].mymtd );
+                                mtd_device_unregister(map_regions[ix].mymtd);
                                 map_destroy( map_regions[ix].mymtd );
                         }
                         iounmap((void *)map_regions[ix].map_info.virt);
diff --git a/drivers/mtd/maps/gpio-addr-flash.c b/drivers/mtd/maps/gpio-addr-flash.c
index af5707a80205..7568c5f8b8ae 100644
--- a/drivers/mtd/maps/gpio-addr-flash.c
+++ b/drivers/mtd/maps/gpio-addr-flash.c
@@ -155,9 +155,7 @@ static void gf_copy_to(struct map_info *map, unsigned long to, const void *from,
         memcpy_toio(map->virt + (to % state->win_size), from, len);
 }
 
-#ifdef CONFIG_MTD_PARTITIONS
 static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", NULL };
-#endif
 
 /**
  * gpio_flash_probe() - setup a mapping for a GPIO assisted flash
@@ -189,7 +187,7 @@ static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", NULL };
  */
 static int __devinit gpio_flash_probe(struct platform_device *pdev)
 {
-        int ret;
+        int nr_parts;
         size_t i, arr_size;
         struct physmap_flash_data *pdata;
         struct resource *memory;
@@ -254,24 +252,21 @@ static int __devinit gpio_flash_probe(struct platform_device *pdev)
                 return -ENXIO;
         }
 
-#ifdef CONFIG_MTD_PARTITIONS
-        ret = parse_mtd_partitions(state->mtd, part_probe_types, &pdata->parts, 0);
-        if (ret > 0) {
+        nr_parts = parse_mtd_partitions(state->mtd, part_probe_types,
+                                        &pdata->parts, 0);
+        if (nr_parts > 0) {
                 pr_devinit(KERN_NOTICE PFX "Using commandline partition definition\n");
-                add_mtd_partitions(state->mtd, pdata->parts, ret);
                 kfree(pdata->parts);
-
         } else if (pdata->nr_parts) {
                 pr_devinit(KERN_NOTICE PFX "Using board partition definition\n");
-                add_mtd_partitions(state->mtd, pdata->parts, pdata->nr_parts);
-
-        } else
-#endif
-        {
+                nr_parts = pdata->nr_parts;
+        } else {
                 pr_devinit(KERN_NOTICE PFX "no partition info available, registering whole flash at once\n");
-                add_mtd_device(state->mtd);
+                nr_parts = 0;
         }
 
+        mtd_device_register(state->mtd, pdata->parts, nr_parts);
+
         return 0;
 }
 
@@ -282,9 +277,7 @@ static int __devexit gpio_flash_remove(struct platform_device *pdev)
         do {
                 gpio_free(state->gpio_addrs[i]);
         } while (++i < state->gpio_count);
-#ifdef CONFIG_MTD_PARTITIONS
-        del_mtd_partitions(state->mtd);
-#endif
+        mtd_device_unregister(state->mtd);
         map_destroy(state->mtd);
         kfree(state);
         return 0;
diff --git a/drivers/mtd/maps/h720x-flash.c b/drivers/mtd/maps/h720x-flash.c
index 72c724fa8c27..7f035860a36b 100644
--- a/drivers/mtd/maps/h720x-flash.c
+++ b/drivers/mtd/maps/h720x-flash.c
@@ -92,18 +92,16 @@ static int __init h720x_mtd_init(void)
         if (mymtd) {
                 mymtd->owner = THIS_MODULE;
 
-#ifdef CONFIG_MTD_PARTITIONS
                 nr_mtd_parts = parse_mtd_partitions(mymtd, probes, &mtd_parts, 0);
                 if (nr_mtd_parts > 0)
                         part_type = "command line";
-#endif
                 if (nr_mtd_parts <= 0) {
                         mtd_parts = h720x_partitions;
                         nr_mtd_parts = NUM_PARTITIONS;
                         part_type = "builtin";
                 }
                 printk(KERN_INFO "Using %s partition table\n", part_type);
-                add_mtd_partitions(mymtd, mtd_parts, nr_mtd_parts);
+                mtd_device_register(mymtd, mtd_parts, nr_mtd_parts);
                 return 0;
         }
 
@@ -118,7 +116,7 @@ static void __exit h720x_mtd_cleanup(void)
 {
 
         if (mymtd) {
-                del_mtd_partitions(mymtd);
+                mtd_device_unregister(mymtd);
                 map_destroy(mymtd);
         }
 
diff --git a/drivers/mtd/maps/ichxrom.c b/drivers/mtd/maps/ichxrom.c
index 1337a4191a0c..6689dcb3124d 100644
--- a/drivers/mtd/maps/ichxrom.c
+++ b/drivers/mtd/maps/ichxrom.c
@@ -67,7 +67,7 @@ static void ichxrom_cleanup(struct ichxrom_window *window)
         list_for_each_entry_safe(map, scratch, &window->maps, list) {
                 if (map->rsrc.parent)
                         release_resource(&map->rsrc);
-                del_mtd_device(map->mtd);
+                mtd_device_unregister(map->mtd);
                 map_destroy(map->mtd);
                 list_del(&map->list);
                 kfree(map);
@@ -287,7 +287,7 @@ static int __devinit ichxrom_init_one (struct pci_dev *pdev,
 
                 /* Now that the mtd devices is complete claim and export it */
                 map->mtd->owner = THIS_MODULE;
-                if (add_mtd_device(map->mtd)) {
+                if (mtd_device_register(map->mtd, NULL, 0)) {
                         map_destroy(map->mtd);
                         map->mtd = NULL;
                         goto out;
diff --git a/drivers/mtd/maps/impa7.c b/drivers/mtd/maps/impa7.c
index 998a27da97f3..404a50cbafa0 100644
--- a/drivers/mtd/maps/impa7.c
+++ b/drivers/mtd/maps/impa7.c
@@ -15,10 +15,7 @@
 #include <asm/io.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/map.h>
-
-#ifdef CONFIG_MTD_PARTITIONS
 #include <linux/mtd/partitions.h>
-#endif
 
 #define WINDOW_ADDR0 0x00000000      /* physical properties of flash */
 #define WINDOW_SIZE0 0x00800000
@@ -49,8 +46,6 @@ static struct map_info impa7_map[NUM_FLASHBANKS] = {
         },
 };
 
-#ifdef CONFIG_MTD_PARTITIONS
-
 /*
  * MTD partitioning stuff
  */
@@ -66,8 +61,6 @@ static struct mtd_partition static_partitions[] =
 static int mtd_parts_nb[NUM_FLASHBANKS];
 static struct mtd_partition *mtd_parts[NUM_FLASHBANKS];
 
-#endif
-
 static const char *probes[] = { "cmdlinepart", NULL };
 
 static int __init init_impa7(void)
@@ -104,7 +97,6 @@ static int __init init_impa7(void)
                 if (impa7_mtd[i]) {
                         impa7_mtd[i]->owner = THIS_MODULE;
                         devicesfound++;
-#ifdef CONFIG_MTD_PARTITIONS
                         mtd_parts_nb[i] = parse_mtd_partitions(impa7_mtd[i],
                                                                probes,
                                                                &mtd_parts[i],
@@ -120,12 +112,8 @@ static int __init init_impa7(void)
                         printk(KERN_NOTICE MSG_PREFIX
                                "using %s partition definition\n",
                                part_type);
-                        add_mtd_partitions(impa7_mtd[i],
-                                           mtd_parts[i], mtd_parts_nb[i]);
-#else
-                        add_mtd_device(impa7_mtd[i]);
-
-#endif
+                        mtd_device_register(impa7_mtd[i],
+                                            mtd_parts[i], mtd_parts_nb[i]);
                 }
                 else
                         iounmap((void *)impa7_map[i].virt);
@@ -138,11 +126,7 @@ static void __exit cleanup_impa7(void)
         int i;
         for (i=0; i<NUM_FLASHBANKS; i++) {
                 if (impa7_mtd[i]) {
-#ifdef CONFIG_MTD_PARTITIONS
-                        del_mtd_partitions(impa7_mtd[i]);
-#else
-                        del_mtd_device(impa7_mtd[i]);
-#endif
+                        mtd_device_unregister(impa7_mtd[i]);
                         map_destroy(impa7_mtd[i]);
                         iounmap((void *)impa7_map[i].virt);
                         impa7_map[i].virt = 0;
diff --git a/drivers/mtd/maps/intel_vr_nor.c b/drivers/mtd/maps/intel_vr_nor.c
index fc1998512eb4..d2f47be8754b 100644
--- a/drivers/mtd/maps/intel_vr_nor.c
+++ b/drivers/mtd/maps/intel_vr_nor.c
@@ -66,33 +66,18 @@ struct vr_nor_mtd {
 
 static void __devexit vr_nor_destroy_partitions(struct vr_nor_mtd *p)
 {
-        if (p->nr_parts > 0) {
-#if defined(CONFIG_MTD_PARTITIONS) || defined(CONFIG_MTD_PARTITIONS_MODULE)
-                del_mtd_partitions(p->info);
-#endif
-        } else
-                del_mtd_device(p->info);
+        mtd_device_unregister(p->info);
 }
 
 static int __devinit vr_nor_init_partitions(struct vr_nor_mtd *p)
 {
-        int err = 0;
-#if defined(CONFIG_MTD_PARTITIONS) || defined(CONFIG_MTD_PARTITIONS_MODULE)
         struct mtd_partition *parts;
         static const char *part_probes[] = { "cmdlinepart", NULL };
-#endif
 
         /* register the flash bank */
-#if defined(CONFIG_MTD_PARTITIONS) || defined(CONFIG_MTD_PARTITIONS_MODULE)
         /* partition the flash bank */
         p->nr_parts = parse_mtd_partitions(p->info, part_probes, &parts, 0);
-        if (p->nr_parts > 0)
-                err = add_mtd_partitions(p->info, parts, p->nr_parts);
-#endif
-        if (p->nr_parts <= 0)
-                err = add_mtd_device(p->info);
-
-        return err;
+        return mtd_device_register(p->info, parts, p->nr_parts);
 }
 
 static void __devexit vr_nor_destroy_mtd_setup(struct vr_nor_mtd *p)
diff --git a/drivers/mtd/maps/ixp2000.c b/drivers/mtd/maps/ixp2000.c
index 9639d83a9d6c..c00b9175ba9e 100644
--- a/drivers/mtd/maps/ixp2000.c
+++ b/drivers/mtd/maps/ixp2000.c
@@ -119,7 +119,7 @@ static int ixp2000_flash_remove(struct platform_device *dev)
                 return 0;
 
         if (info->mtd) {
-                del_mtd_partitions(info->mtd);
+                mtd_device_unregister(info->mtd);
                 map_destroy(info->mtd);
         }
         if (info->map.map_priv_1)
@@ -230,7 +230,7 @@ static int ixp2000_flash_probe(struct platform_device *dev)
 
         err = parse_mtd_partitions(info->mtd, probes, &info->partitions, 0);
         if (err > 0) {
-                err = add_mtd_partitions(info->mtd, info->partitions, err);
+                err = mtd_device_register(info->mtd, info->partitions, err);
                 if(err)
                         dev_err(&dev->dev, "Could not parse partitions\n");
         }
diff --git a/drivers/mtd/maps/ixp4xx.c b/drivers/mtd/maps/ixp4xx.c
index 1f9fde0dad35..155b21942f47 100644
--- a/drivers/mtd/maps/ixp4xx.c
+++ b/drivers/mtd/maps/ixp4xx.c
@@ -162,7 +162,7 @@ static int ixp4xx_flash_remove(struct platform_device *dev)
                 return 0;
 
         if (info->mtd) {
-                del_mtd_partitions(info->mtd);
+                mtd_device_unregister(info->mtd);
                 map_destroy(info->mtd);
         }
         if (info->map.virt)
@@ -252,10 +252,8 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
         /* Use the fast version */
         info->map.write = ixp4xx_write16;
 
-#ifdef CONFIG_MTD_PARTITIONS
         nr_parts = parse_mtd_partitions(info->mtd, probes, &info->partitions,
                                         dev->resource->start);
-#endif
         if (nr_parts > 0) {
                 part_type = "dynamic";
         } else {
@@ -263,18 +261,16 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
                 nr_parts = plat->nr_parts;
                 part_type = "static";
         }
-        if (nr_parts == 0) {
+        if (nr_parts == 0)
                 printk(KERN_NOTICE "IXP4xx flash: no partition info "
                         "available, registering whole flash\n");
-                err = add_mtd_device(info->mtd);
-        } else {
+        else
                 printk(KERN_NOTICE "IXP4xx flash: using %s partition "
                         "definition\n", part_type);
-                err = add_mtd_partitions(info->mtd, info->partitions, nr_parts);
 
-                if(err)
-                        printk(KERN_ERR "Could not parse partitions\n");
-        }
+        err = mtd_device_register(info->mtd, info->partitions, nr_parts);
+        if (err)
+                printk(KERN_ERR "Could not parse partitions\n");
 
         if (err)
                 goto Error;
diff --git a/drivers/mtd/maps/l440gx.c b/drivers/mtd/maps/l440gx.c
index 9e054503c4cf..dd0360ba2412 100644
--- a/drivers/mtd/maps/l440gx.c
+++ b/drivers/mtd/maps/l440gx.c
@@ -138,7 +138,7 @@ static int __init init_l440gx(void)
         if (mymtd) {
                 mymtd->owner = THIS_MODULE;
 
-                add_mtd_device(mymtd);
+                mtd_device_register(mymtd, NULL, 0);
                 return 0;
         }
 
@@ -148,7 +148,7 @@ static int __init init_l440gx(void)
 
 static void __exit cleanup_l440gx(void)
 {
-        del_mtd_device(mymtd);
+        mtd_device_unregister(mymtd);
         map_destroy(mymtd);
 
         iounmap(l440gx_map.virt);
diff --git a/drivers/mtd/maps/latch-addr-flash.c b/drivers/mtd/maps/latch-addr-flash.c
index ee2548085334..5936c466e901 100644
--- a/drivers/mtd/maps/latch-addr-flash.c
+++ b/drivers/mtd/maps/latch-addr-flash.c
@@ -112,18 +112,9 @@ static int latch_addr_flash_remove(struct platform_device *dev)
         latch_addr_data = dev->dev.platform_data;
 
         if (info->mtd != NULL) {
-                if (mtd_has_partitions()) {
-                        if (info->nr_parts) {
-                                del_mtd_partitions(info->mtd);
-                                kfree(info->parts);
-                        } else if (latch_addr_data->nr_parts) {
-                                del_mtd_partitions(info->mtd);
-                        } else {
-                                del_mtd_device(info->mtd);
-                        }
-                } else {
-                        del_mtd_device(info->mtd);
-                }
+                if (info->nr_parts)
+                        kfree(info->parts);
+                mtd_device_unregister(info->mtd);
                 map_destroy(info->mtd);
         }
 
@@ -215,23 +206,21 @@ static int __devinit latch_addr_flash_probe(struct platform_device *dev)
         }
         info->mtd->owner = THIS_MODULE;
 
-        if (mtd_has_partitions()) {
-
-                err = parse_mtd_partitions(info->mtd,
-                                           (const char **)part_probe_types,
-                                           &info->parts, 0);
-                if (err > 0) {
-                        add_mtd_partitions(info->mtd, info->parts, err);
-                        return 0;
-                }
-                if (latch_addr_data->nr_parts) {
-                        pr_notice("Using latch-addr-flash partition information\n");
-                        add_mtd_partitions(info->mtd, latch_addr_data->parts,
-                                        latch_addr_data->nr_parts);
-                        return 0;
-                }
+        err = parse_mtd_partitions(info->mtd, (const char **)part_probe_types,
+                                   &info->parts, 0);
+        if (err > 0) {
+                mtd_device_register(info->mtd, info->parts, err);
+                return 0;
+        }
+        if (latch_addr_data->nr_parts) {
+                pr_notice("Using latch-addr-flash partition information\n");
+                mtd_device_register(info->mtd,
+                                    latch_addr_data->parts,
+                                    latch_addr_data->nr_parts);
+                return 0;
         }
-        add_mtd_device(info->mtd);
+
+        mtd_device_register(info->mtd, NULL, 0);
         return 0;
 
 iounmap:
diff --git a/drivers/mtd/maps/mbx860.c b/drivers/mtd/maps/mbx860.c
index 0eb5a7c85380..93fa56c33003 100644
--- a/drivers/mtd/maps/mbx860.c
+++ b/drivers/mtd/maps/mbx860.c
@@ -69,8 +69,8 @@ static int __init init_mbx(void)
         mymtd = do_map_probe("jedec_probe", &mbx_map);
         if (mymtd) {
                 mymtd->owner = THIS_MODULE;
-                add_mtd_device(mymtd);
-                add_mtd_partitions(mymtd, partition_info, NUM_PARTITIONS);
+                mtd_device_register(mymtd, NULL, 0);
+                mtd_device_register(mymtd, partition_info, NUM_PARTITIONS);
                 return 0;
         }
 
@@ -81,7 +81,7 @@ static int __init init_mbx(void)
 static void __exit cleanup_mbx(void)
 {
         if (mymtd) {
-                del_mtd_device(mymtd);
+                mtd_device_unregister(mymtd);
                 map_destroy(mymtd);
         }
         if (mbx_map.virt) {
diff --git a/drivers/mtd/maps/netsc520.c b/drivers/mtd/maps/netsc520.c
index c0cb319b2b70..81dc2598bc0a 100644
--- a/drivers/mtd/maps/netsc520.c
+++ b/drivers/mtd/maps/netsc520.c
@@ -116,14 +116,14 @@ static int __init init_netsc520(void)
         }
 
         mymtd->owner = THIS_MODULE;
-        add_mtd_partitions( mymtd, partition_info, NUM_PARTITIONS );
+        mtd_device_register(mymtd, partition_info, NUM_PARTITIONS);
         return 0;
 }
 
 static void __exit cleanup_netsc520(void)
 {
         if (mymtd) {
-                del_mtd_partitions(mymtd);
+                mtd_device_unregister(mymtd);
                 map_destroy(mymtd);
         }
         if (netsc520_map.virt) {
diff --git a/drivers/mtd/maps/nettel.c b/drivers/mtd/maps/nettel.c
index a97133eb9d70..eadcfffc4f9c 100644
--- a/drivers/mtd/maps/nettel.c
+++ b/drivers/mtd/maps/nettel.c
@@ -383,13 +383,13 @@ static int __init nettel_init(void)
                 /* No BIOS regions when AMD boot */
                 num_intel_partitions -= 2;
         }
-        rc = add_mtd_partitions(intel_mtd, nettel_intel_partitions,
-                num_intel_partitions);
+        rc = mtd_device_register(intel_mtd, nettel_intel_partitions,
+                                 num_intel_partitions);
 #endif
 
         if (amd_mtd) {
-                rc = add_mtd_partitions(amd_mtd, nettel_amd_partitions,
-                        num_amd_partitions);
+                rc = mtd_device_register(amd_mtd, nettel_amd_partitions,
+                                         num_amd_partitions);
         }
 
 #ifdef CONFIG_MTD_CFI_INTELEXT
@@ -419,7 +419,7 @@ static void __exit nettel_cleanup(void)
         unregister_reboot_notifier(&nettel_notifier_block);
 #endif
         if (amd_mtd) {
-                del_mtd_partitions(amd_mtd);
+                mtd_device_unregister(amd_mtd);
                 map_destroy(amd_mtd);
         }
         if (nettel_mmcrp) {
@@ -432,7 +432,7 @@ static void __exit nettel_cleanup(void)
         }
 #ifdef CONFIG_MTD_CFI_INTELEXT
         if (intel_mtd) {
-                del_mtd_partitions(intel_mtd);
+                mtd_device_unregister(intel_mtd);
                 map_destroy(intel_mtd);
         }
         if (nettel_intel_map.virt) {
diff --git a/drivers/mtd/maps/octagon-5066.c b/drivers/mtd/maps/octagon-5066.c
index 23fe1786770f..807ac2a2e686 100644
--- a/drivers/mtd/maps/octagon-5066.c
+++ b/drivers/mtd/maps/octagon-5066.c
@@ -175,7 +175,7 @@ void cleanup_oct5066(void)
         int i;
         for (i=0; i<2; i++) {
                 if (oct5066_mtd[i]) {
-                        del_mtd_device(oct5066_mtd[i]);
+                        mtd_device_unregister(oct5066_mtd[i]);
                         map_destroy(oct5066_mtd[i]);
                 }
         }
@@ -220,7 +220,7 @@ static int __init init_oct5066(void)
                         oct5066_mtd[i] = do_map_probe("map_rom", &oct5066_map[i]);
                 if (oct5066_mtd[i]) {
                         oct5066_mtd[i]->owner = THIS_MODULE;
-                        add_mtd_device(oct5066_mtd[i]);
+                        mtd_device_register(oct5066_mtd[i], NULL, 0);
                 }
         }
 
diff --git a/drivers/mtd/maps/pci.c b/drivers/mtd/maps/pci.c
index 48f4cf5cb9d1..1d005a3e9b41 100644
--- a/drivers/mtd/maps/pci.c
+++ b/drivers/mtd/maps/pci.c
@@ -313,7 +313,7 @@ mtd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
                 goto release;
 
         mtd->owner = THIS_MODULE;
-        add_mtd_device(mtd);
+        mtd_device_register(mtd, NULL, 0);
 
         pci_set_drvdata(dev, mtd);
 
@@ -336,7 +336,7 @@ mtd_pci_remove(struct pci_dev *dev)
         struct mtd_info *mtd = pci_get_drvdata(dev);
         struct map_pci_info *map = mtd->priv;
 
-        del_mtd_device(mtd);
+        mtd_device_unregister(mtd);
         map_destroy(mtd);
         map->exit(dev, map);
         kfree(map);
diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c
index 33dc2829b01b..bbe168b65c26 100644
--- a/drivers/mtd/maps/pcmciamtd.c
+++ b/drivers/mtd/maps/pcmciamtd.c
@@ -630,7 +630,7 @@ static int pcmciamtd_config(struct pcmcia_device *link)
                 dev->pcmcia_map.copy_to = pcmcia_copy_to;
         }
 
-        if(add_mtd_device(mtd)) {
+        if (mtd_device_register(mtd, NULL, 0)) {
                 map_destroy(mtd);
                 dev->mtd_info = NULL;
                 dev_err(&dev->p_dev->dev,
@@ -669,7 +669,7 @@ static void pcmciamtd_detach(struct pcmcia_device *link)
         DEBUG(3, "link=0x%p", link);
 
         if(dev->mtd_info) {
-                del_mtd_device(dev->mtd_info);
+                mtd_device_unregister(dev->mtd_info);
                 dev_info(&dev->p_dev->dev, "mtd%d: Removing\n",
                          dev->mtd_info->index);
                 map_destroy(dev->mtd_info);
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index 1a9b94f0ee54..f64cee4a3bfb 100644
--- a/drivers/mtd/maps/physmap.c
+++ b/drivers/mtd/maps/physmap.c
@@ -27,10 +27,8 @@ struct physmap_flash_info {
         struct mtd_info         *mtd[MAX_RESOURCES];
         struct mtd_info         *cmtd;
         struct map_info         map[MAX_RESOURCES];
-#ifdef CONFIG_MTD_PARTITIONS
         int                     nr_parts;
         struct mtd_partition    *parts;
-#endif
 };
 
 static int physmap_flash_remove(struct platform_device *dev)
@@ -47,18 +45,9 @@ static int physmap_flash_remove(struct platform_device *dev)
         physmap_data = dev->dev.platform_data;
 
         if (info->cmtd) {
-#ifdef CONFIG_MTD_PARTITIONS
-                if (info->nr_parts || physmap_data->nr_parts) {
-                        del_mtd_partitions(info->cmtd);
-
-                        if (info->nr_parts)
-                                kfree(info->parts);
-                } else {
-                        del_mtd_device(info->cmtd);
-                }
-#else
-                del_mtd_device(info->cmtd);
-#endif
+                mtd_device_unregister(info->cmtd);
+                if (info->nr_parts)
+                        kfree(info->parts);
                 if (info->cmtd != info->mtd[0])
                         mtd_concat_destroy(info->cmtd);
         }
@@ -92,10 +81,8 @@ static const char *rom_probe_types[] = {
                                         "qinfo_probe",
                                         "map_rom",
                                         NULL };
-#ifdef CONFIG_MTD_PARTITIONS
 static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", "afs",
                                           NULL };
-#endif
 
 static int physmap_flash_probe(struct platform_device *dev)
 {
@@ -188,24 +175,23 @@ static int physmap_flash_probe(struct platform_device *dev)
         if (err)
                 goto err_out;
 
-#ifdef CONFIG_MTD_PARTITIONS
         err = parse_mtd_partitions(info->cmtd, part_probe_types,
-                                &info->parts, 0);
+                                   &info->parts, 0);
         if (err > 0) {
-                add_mtd_partitions(info->cmtd, info->parts, err);
+                mtd_device_register(info->cmtd, info->parts, err);
                 info->nr_parts = err;
                 return 0;
         }
 
         if (physmap_data->nr_parts) {
                 printk(KERN_NOTICE "Using physmap partition information\n");
-                add_mtd_partitions(info->cmtd, physmap_data->parts,
-                                   physmap_data->nr_parts);
+                mtd_device_register(info->cmtd, physmap_data->parts,
+                                    physmap_data->nr_parts);
                 return 0;
         }
-#endif
 
-        add_mtd_device(info->cmtd);
+        mtd_device_register(info->cmtd, NULL, 0);
+
         return 0;
 
 err_out:
@@ -269,14 +255,12 @@ void physmap_configure(unsigned long addr, unsigned long size,
         physmap_flash_data.set_vpp = set_vpp;
 }
 
-#ifdef CONFIG_MTD_PARTITIONS
 void physmap_set_partitions(struct mtd_partition *parts, int num_parts)
 {
         physmap_flash_data.nr_parts = num_parts;
         physmap_flash_data.parts = parts;
 }
 #endif
-#endif
 
 static int __init physmap_init(void)
 {
diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c
index c1d33464aee8..d251d1db129b 100644
--- a/drivers/mtd/maps/physmap_of.c
+++ b/drivers/mtd/maps/physmap_of.c
@@ -34,16 +34,12 @@ struct of_flash_list {
 
 struct of_flash {
         struct mtd_info         *cmtd;
-#ifdef CONFIG_MTD_PARTITIONS
         struct mtd_partition    *parts;
-#endif
         int list_size; /* number of elements in of_flash_list */
         struct of_flash_list    list[0];
 };
 
-#ifdef CONFIG_MTD_PARTITIONS
 #define OF_FLASH_PARTS(info)    ((info)->parts)
-
 static int parse_obsolete_partitions(struct platform_device *dev,
                                      struct of_flash *info,
                                      struct device_node *dp)
@@ -89,10 +85,6 @@ static int parse_obsolete_partitions(struct platform_device *dev,
 
         return nr_parts;
 }
-#else /* MTD_PARTITIONS */
-#define OF_FLASH_PARTS(info)            (0)
-#define parse_partitions(info, dev)     (0)
-#endif /* MTD_PARTITIONS */
 
 static int of_flash_remove(struct platform_device *dev)
 {
@@ -105,17 +97,14 @@ static int of_flash_remove(struct platform_device *dev)
         dev_set_drvdata(&dev->dev, NULL);
 
         if (info->cmtd != info->list[0].mtd) {
-                del_mtd_device(info->cmtd);
+                mtd_device_unregister(info->cmtd);
                 mtd_concat_destroy(info->cmtd);
         }
 
         if (info->cmtd) {
-                if (OF_FLASH_PARTS(info)) {
-                        del_mtd_partitions(info->cmtd);
+                if (OF_FLASH_PARTS(info))
                         kfree(OF_FLASH_PARTS(info));
-                } else {
-                        del_mtd_device(info->cmtd);
-                }
+                mtd_device_unregister(info->cmtd);
         }
 
         for (i = 0; i < info->list_size; i++) {
@@ -172,7 +161,6 @@ static struct mtd_info * __devinit obsolete_probe(struct platform_device *dev,
         }
 }
 
-#ifdef CONFIG_MTD_PARTITIONS
 /* When partitions are set we look for a linux,part-probe property which
    specifies the list of partition probers to use. If none is given then the
    default is use. These take precedence over other device tree
@@ -212,14 +200,11 @@ static void __devinit of_free_probes(const char **probes)
         if (probes != part_probe_types_def)
                 kfree(probes);
 }
-#endif
 
 static struct of_device_id of_flash_match[];
 static int __devinit of_flash_probe(struct platform_device *dev)
 {
-#ifdef CONFIG_MTD_PARTITIONS
         const char **part_probe_types;
-#endif
         const struct of_device_id *match;
         struct device_node *dp = dev->dev.of_node;
         struct resource res;
@@ -346,7 +331,6 @@ static int __devinit of_flash_probe(struct platform_device *dev)
         if (err)
                 goto err_out;
 
-#ifdef CONFIG_MTD_PARTITIONS
         part_probe_types = of_get_probes(dp);
         err = parse_mtd_partitions(info->cmtd, part_probe_types,
                                    &info->parts, 0);
@@ -356,13 +340,11 @@ static int __devinit of_flash_probe(struct platform_device *dev)
         }
         of_free_probes(part_probe_types);
 
-#ifdef CONFIG_MTD_OF_PARTS
         if (err == 0) {
                 err = of_mtd_parse_partitions(&dev->dev, dp, &info->parts);
                 if (err < 0)
                         goto err_out;
         }
-#endif
 
         if (err == 0) {
                 err = parse_obsolete_partitions(dev, info, dp);
@@ -370,11 +352,7 @@ static int __devinit of_flash_probe(struct platform_device *dev)
                         goto err_out;
         }
 
-        if (err > 0)
-                add_mtd_partitions(info->cmtd, info->parts, err);
-        else
-#endif
-                add_mtd_device(info->cmtd);
+        mtd_device_register(info->cmtd, info->parts, err);
 
         kfree(mtd_list);
 
diff --git a/drivers/mtd/maps/plat-ram.c b/drivers/mtd/maps/plat-ram.c
index 76a76be5a7bd..9ca1eccba4bc 100644
--- a/drivers/mtd/maps/plat-ram.c
+++ b/drivers/mtd/maps/plat-ram.c
@@ -94,14 +94,11 @@ static int platram_remove(struct platform_device *pdev)
                 return 0;
 
         if (info->mtd) {
-#ifdef CONFIG_MTD_PARTITIONS
+                mtd_device_unregister(info->mtd);
                 if (info->partitions) {
-                        del_mtd_partitions(info->mtd);
                         if (info->free_partitions)
                                 kfree(info->partitions);
                 }
-#endif
-                del_mtd_device(info->mtd);
                 map_destroy(info->mtd);
         }
 
@@ -231,7 +228,6 @@ static int platram_probe(struct platform_device *pdev)
         /* check to see if there are any available partitions, or wether
          * to add this device whole */
 
-#ifdef CONFIG_MTD_PARTITIONS
         if (!pdata->nr_partitions) {
                 /* try to probe using the supplied probe type */
                 if (pdata->probes) {
@@ -239,24 +235,22 @@ static int platram_probe(struct platform_device *pdev)
                                            &info->partitions, 0);
                         info->free_partitions = 1;
                         if (err > 0)
-                                err = add_mtd_partitions(info->mtd,
+                                err = mtd_device_register(info->mtd,
                                         info->partitions, err);
                 }
         }
         /* use the static mapping */
         else
-                err = add_mtd_partitions(info->mtd, pdata->partitions,
-                                pdata->nr_partitions);
-#endif /* CONFIG_MTD_PARTITIONS */
-
-        if (add_mtd_device(info->mtd)) {
-                dev_err(&pdev->dev, "add_mtd_device() failed\n");
-                err = -ENOMEM;
-        }
-
+                err = mtd_device_register(info->mtd, pdata->partitions,
+                                          pdata->nr_partitions);
         if (!err)
                 dev_info(&pdev->dev, "registered mtd device\n");
 
+        /* add the whole device. */
+        err = mtd_device_register(info->mtd, NULL, 0);
+        if (err)
+                dev_err(&pdev->dev, "failed to register the entire device\n");
+
         return err;
 
  exit_free:
diff --git a/drivers/mtd/maps/pmcmsp-flash.c b/drivers/mtd/maps/pmcmsp-flash.c
index 64aea6acd48e..744ca5cacc9b 100644
--- a/drivers/mtd/maps/pmcmsp-flash.c
+++ b/drivers/mtd/maps/pmcmsp-flash.c
@@ -173,7 +173,7 @@ static int __init init_msp_flash(void)
                 msp_flash[i] = do_map_probe("cfi_probe", &msp_maps[i]);
                 if (msp_flash[i]) {
                         msp_flash[i]->owner = THIS_MODULE;
-                        add_mtd_partitions(msp_flash[i], msp_parts[i], pcnt);
+                        mtd_device_register(msp_flash[i], msp_parts[i], pcnt);
                 } else {
                         printk(KERN_ERR "map probe failed for flash\n");
                         ret = -ENXIO;
@@ -188,7 +188,7 @@ static int __init init_msp_flash(void)
 
 cleanup_loop:
         while (i--) {
-                del_mtd_partitions(msp_flash[i]);
+                mtd_device_unregister(msp_flash[i]);
                 map_destroy(msp_flash[i]);
                 kfree(msp_maps[i].name);
                 iounmap(msp_maps[i].virt);
@@ -207,7 +207,7 @@ static void __exit cleanup_msp_flash(void)
         int i;
 
         for (i = 0; i < fcnt; i++) {
-                del_mtd_partitions(msp_flash[i]);
+                mtd_device_unregister(msp_flash[i]);
                 map_destroy(msp_flash[i]);
                 iounmap((void *)msp_maps[i].virt);
 
diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c
index d8ae634d347e..f59d62f74d44 100644
--- a/drivers/mtd/maps/pxa2xx-flash.c
+++ b/drivers/mtd/maps/pxa2xx-flash.c
@@ -104,23 +104,18 @@ static int __devinit pxa2xx_flash_probe(struct platform_device *pdev)
         }
         info->mtd->owner = THIS_MODULE;
 
-#ifdef CONFIG_MTD_PARTITIONS
         ret = parse_mtd_partitions(info->mtd, probes, &parts, 0);
 
         if (ret > 0) {
                 info->nr_parts = ret;
                 info->parts = parts;
         }
-#endif
 
-        if (info->nr_parts) {
-                add_mtd_partitions(info->mtd, info->parts,
-                                   info->nr_parts);
-        } else {
+        if (!info->nr_parts)
                 printk("Registering %s as whole device\n",
                        info->map.name);
-                add_mtd_device(info->mtd);
-        }
+
+        mtd_device_register(info->mtd, info->parts, info->nr_parts);
 
         platform_set_drvdata(pdev, info);
         return 0;
@@ -132,12 +127,7 @@ static int __devexit pxa2xx_flash_remove(struct platform_device *dev)
 
         platform_set_drvdata(dev, NULL);
 
-#ifdef CONFIG_MTD_PARTITIONS
-        if (info->nr_parts)
-                del_mtd_partitions(info->mtd);
-        else
-#endif
-                del_mtd_device(info->mtd);
+        mtd_device_unregister(info->mtd);
 
         map_destroy(info->mtd);
         iounmap(info->map.virt);
diff --git a/drivers/mtd/maps/rbtx4939-flash.c b/drivers/mtd/maps/rbtx4939-flash.c
index 83ed64512c5e..761fb459d2c7 100644
--- a/drivers/mtd/maps/rbtx4939-flash.c
+++ b/drivers/mtd/maps/rbtx4939-flash.c
@@ -25,10 +25,8 @@
 struct rbtx4939_flash_info {
         struct mtd_info *mtd;
         struct map_info map;
-#ifdef CONFIG_MTD_PARTITIONS
         int nr_parts;
         struct mtd_partition *parts;
-#endif
 };
 
 static int rbtx4939_flash_remove(struct platform_device *dev)
@@ -41,28 +39,18 @@ static int rbtx4939_flash_remove(struct platform_device *dev)
         platform_set_drvdata(dev, NULL);
 
         if (info->mtd) {
-#ifdef CONFIG_MTD_PARTITIONS
                 struct rbtx4939_flash_data *pdata = dev->dev.platform_data;
 
-                if (info->nr_parts) {
-                        del_mtd_partitions(info->mtd);
+                if (info->nr_parts)
                         kfree(info->parts);
-                } else if (pdata->nr_parts)
-                        del_mtd_partitions(info->mtd);
-                else
-                        del_mtd_device(info->mtd);
-#else
-                del_mtd_device(info->mtd);
-#endif
+                mtd_device_unregister(info->mtd);
                 map_destroy(info->mtd);
         }
         return 0;
 }
 
 static const char *rom_probe_types[] = { "cfi_probe", "jedec_probe", NULL };
-#ifdef CONFIG_MTD_PARTITIONS
 static const char *part_probe_types[] = { "cmdlinepart", NULL };
-#endif
 
 static int rbtx4939_flash_probe(struct platform_device *dev)
 {
@@ -120,23 +108,21 @@ static int rbtx4939_flash_probe(struct platform_device *dev)
         if (err)
                 goto err_out;
 
-#ifdef CONFIG_MTD_PARTITIONS
         err = parse_mtd_partitions(info->mtd, part_probe_types,
                                 &info->parts, 0);
         if (err > 0) {
-                add_mtd_partitions(info->mtd, info->parts, err);
+                mtd_device_register(info->mtd, info->parts, err);
                 info->nr_parts = err;
                 return 0;
         }
 
         if (pdata->nr_parts) {
                 pr_notice("Using rbtx4939 partition information\n");
-                add_mtd_partitions(info->mtd, pdata->parts, pdata->nr_parts);
+                mtd_device_register(info->mtd, pdata->parts, pdata->nr_parts);
                 return 0;
         }
-#endif
 
-        add_mtd_device(info->mtd);
+        mtd_device_register(info->mtd, NULL, 0);
         return 0;
 
 err_out:
diff --git a/drivers/mtd/maps/rpxlite.c b/drivers/mtd/maps/rpxlite.c
index 3e3ef53d4fd4..ed88225bf667 100644
--- a/drivers/mtd/maps/rpxlite.c
+++ b/drivers/mtd/maps/rpxlite.c
@@ -36,7 +36,7 @@ static int __init init_rpxlite(void)
         mymtd = do_map_probe("cfi_probe", &rpxlite_map);
         if (mymtd) {
                 mymtd->owner = THIS_MODULE;
-                add_mtd_device(mymtd);
+                mtd_device_register(mymtd, NULL, 0);
                 return 0;
         }
 
@@ -47,7 +47,7 @@ static int __init init_rpxlite(void)
 static void __exit cleanup_rpxlite(void)
 {
         if (mymtd) {
-                del_mtd_device(mymtd);
+                mtd_device_unregister(mymtd);
                 map_destroy(mymtd);
         }
         if (rpxlite_map.virt) {
diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c
index da875908ea8e..a9b5e0e5c4c5 100644
--- a/drivers/mtd/maps/sa1100-flash.c
+++ b/drivers/mtd/maps/sa1100-flash.c
@@ -226,12 +226,7 @@ static void sa1100_destroy(struct sa_info *info, struct flash_platform_data *pla
         int i;
 
         if (info->mtd) {
-                if (info->nr_parts == 0)
-                        del_mtd_device(info->mtd);
-#ifdef CONFIG_MTD_PARTITIONS
-                else
-                        del_mtd_partitions(info->mtd);
-#endif
+                mtd_device_unregister(info->mtd);
                 if (info->mtd != info->subdev[0].mtd)
                         mtd_concat_destroy(info->mtd);
         }
@@ -363,28 +358,24 @@ static int __devinit sa1100_mtd_probe(struct platform_device *pdev)
         /*
          * Partition selection stuff.
          */
-#ifdef CONFIG_MTD_PARTITIONS
         nr_parts = parse_mtd_partitions(info->mtd, part_probes, &parts, 0);
         if (nr_parts > 0) {
                 info->parts = parts;
                 part_type = "dynamic";
-        } else
-#endif
-        {
+        } else {
                 parts = plat->parts;
                 nr_parts = plat->nr_parts;
                 part_type = "static";
         }
 
-        if (nr_parts == 0) {
+        if (nr_parts == 0)
                 printk(KERN_NOTICE "SA1100 flash: no partition info "
                         "available, registering whole flash\n");
-                add_mtd_device(info->mtd);
-        } else {
+        else
                 printk(KERN_NOTICE "SA1100 flash: using %s partition "
                         "definition\n", part_type);
-                add_mtd_partitions(info->mtd, parts, nr_parts);
-        }
+
+        mtd_device_register(info->mtd, parts, nr_parts);
 
         info->nr_parts = nr_parts;
 
diff --git a/drivers/mtd/maps/sbc_gxx.c b/drivers/mtd/maps/sbc_gxx.c
index 04b2781fc627..556a2dfe94c5 100644
--- a/drivers/mtd/maps/sbc_gxx.c
+++ b/drivers/mtd/maps/sbc_gxx.c
@@ -182,7 +182,7 @@ static struct mtd_info *all_mtd;
 static void cleanup_sbc_gxx(void)
 {
         if( all_mtd ) {
-                del_mtd_partitions( all_mtd );
+                mtd_device_unregister(all_mtd);
                 map_destroy( all_mtd );
         }
 
@@ -223,7 +223,7 @@ static int __init init_sbc_gxx(void)
         all_mtd->owner = THIS_MODULE;
 
         /* Create MTD devices for each partition. */
-        add_mtd_partitions(all_mtd, partition_info, NUM_PARTITIONS );
+        mtd_device_register(all_mtd, partition_info, NUM_PARTITIONS);
 
         return 0;
 }
diff --git a/drivers/mtd/maps/sc520cdp.c b/drivers/mtd/maps/sc520cdp.c
index 4d8aaaf4bb76..8fead8e46bce 100644
--- a/drivers/mtd/maps/sc520cdp.c
+++ b/drivers/mtd/maps/sc520cdp.c
@@ -266,10 +266,10 @@ static int __init init_sc520cdp(void)
                 /* Combine the two flash banks into a single MTD device & register it: */
                 merged_mtd = mtd_concat_create(mymtd, 2, "SC520CDP Flash Banks #0 and #1");
                 if(merged_mtd)
-                        add_mtd_device(merged_mtd);
+                        mtd_device_register(merged_mtd, NULL, 0);
         }
         if(devices_found == 3) /* register the third (DIL-Flash) device */
-                add_mtd_device(mymtd[2]);
+                mtd_device_register(mymtd[2], NULL, 0);
         return(devices_found ? 0 : -ENXIO);
 }
 
@@ -278,11 +278,11 @@ static void __exit cleanup_sc520cdp(void)
         int i;
 
         if (merged_mtd) {
-                del_mtd_device(merged_mtd);
+                mtd_device_unregister(merged_mtd);
                 mtd_concat_destroy(merged_mtd);
         }
         if (mymtd[2])
-                del_mtd_device(mymtd[2]);
+                mtd_device_unregister(mymtd[2]);
 
         for (i = 0; i < NUM_FLASH_BANKS; i++) {
                 if (mymtd[i])
diff --git a/drivers/mtd/maps/scb2_flash.c b/drivers/mtd/maps/scb2_flash.c
index 7e329f09a548..d88c8426bb0f 100644
--- a/drivers/mtd/maps/scb2_flash.c
+++ b/drivers/mtd/maps/scb2_flash.c
@@ -180,7 +180,7 @@ scb2_flash_probe(struct pci_dev *dev, const struct pci_device_id *ent)
 
         scb2_mtd->owner = THIS_MODULE;
         if (scb2_fixup_mtd(scb2_mtd) < 0) {
-                del_mtd_device(scb2_mtd);
+                mtd_device_unregister(scb2_mtd);
                 map_destroy(scb2_mtd);
                 iounmap(scb2_ioaddr);
                 if (!region_fail)
@@ -192,7 +192,7 @@ scb2_flash_probe(struct pci_dev *dev, const struct pci_device_id *ent)
                (unsigned long long)scb2_mtd->size,
                (unsigned long long)(SCB2_WINDOW - scb2_mtd->size));
 
-        add_mtd_device(scb2_mtd);
+        mtd_device_register(scb2_mtd, NULL, 0);
 
         return 0;
 }
@@ -207,7 +207,7 @@ scb2_flash_remove(struct pci_dev *dev)
         if (scb2_mtd->lock)
                 scb2_mtd->lock(scb2_mtd, 0, scb2_mtd->size);
 
-        del_mtd_device(scb2_mtd);
+        mtd_device_unregister(scb2_mtd);
         map_destroy(scb2_mtd);
 
         iounmap(scb2_ioaddr);
diff --git a/drivers/mtd/maps/scx200_docflash.c b/drivers/mtd/maps/scx200_docflash.c
index 027e628a4f1d..f1c1f737d0d7 100644
--- a/drivers/mtd/maps/scx200_docflash.c
+++ b/drivers/mtd/maps/scx200_docflash.c
@@ -44,7 +44,6 @@ static struct resource docmem = {
 
 static struct mtd_info *mymtd;
 
-#ifdef CONFIG_MTD_PARTITIONS
 static struct mtd_partition partition_info[] = {
         {
                 .name   = "DOCCS Boot kernel",
@@ -68,8 +67,6 @@ static struct mtd_partition partition_info[] = {
         },
 };
 #define NUM_PARTITIONS ARRAY_SIZE(partition_info)
-#endif
-
 
 static struct map_info scx200_docflash_map = {
         .name      = "NatSemi SCx200 DOCCS Flash",
@@ -198,24 +195,17 @@ static int __init init_scx200_docflash(void)
 
         mymtd->owner = THIS_MODULE;
 
-#ifdef CONFIG_MTD_PARTITIONS
         partition_info[3].offset = mymtd->size-partition_info[3].size;
         partition_info[2].size = partition_info[3].offset-partition_info[2].offset;
-        add_mtd_partitions(mymtd, partition_info, NUM_PARTITIONS);
-#else
-        add_mtd_device(mymtd);
-#endif
+        mtd_device_register(mymtd, partition_info, NUM_PARTITIONS);
+
         return 0;
 }
 
 static void __exit cleanup_scx200_docflash(void)
 {
         if (mymtd) {
-#ifdef CONFIG_MTD_PARTITIONS
-                del_mtd_partitions(mymtd);
-#else
-                del_mtd_device(mymtd);
-#endif
+                mtd_device_unregister(mymtd);
                 map_destroy(mymtd);
         }
         if (scx200_docflash_map.virt) {
diff --git a/drivers/mtd/maps/solutionengine.c b/drivers/mtd/maps/solutionengine.c
index 0eb41d9c6786..cbf6bade9354 100644
--- a/drivers/mtd/maps/solutionengine.c
+++ b/drivers/mtd/maps/solutionengine.c
@@ -89,7 +89,7 @@ static int __init init_soleng_maps(void)
         eprom_mtd = do_map_probe("map_rom", &soleng_eprom_map);
         if (eprom_mtd) {
                 eprom_mtd->owner = THIS_MODULE;
-                add_mtd_device(eprom_mtd);
+                mtd_device_register(eprom_mtd, NULL, 0);
         }
 
         nr_parts = parse_mtd_partitions(flash_mtd, probes, &parsed_parts, 0);
@@ -104,9 +104,9 @@ static int __init init_soleng_maps(void)
 #endif /* CONFIG_MTD_SUPERH_RESERVE */
 
         if (nr_parts > 0)
-                add_mtd_partitions(flash_mtd, parsed_parts, nr_parts);
+                mtd_device_register(flash_mtd, parsed_parts, nr_parts);
         else
-                add_mtd_device(flash_mtd);
+                mtd_device_register(flash_mtd, NULL, 0);
 
         return 0;
 }
@@ -114,14 +114,14 @@ static int __init init_soleng_maps(void)
 static void __exit cleanup_soleng_maps(void)
 {
         if (eprom_mtd) {
-                del_mtd_device(eprom_mtd);
+                mtd_device_unregister(eprom_mtd);
                 map_destroy(eprom_mtd);
         }
 
         if (parsed_parts)
-                del_mtd_partitions(flash_mtd);
+                mtd_device_unregister(flash_mtd);
         else
-                del_mtd_device(flash_mtd);
+                mtd_device_unregister(flash_mtd);
         map_destroy(flash_mtd);
 }
 
diff --git a/drivers/mtd/maps/sun_uflash.c b/drivers/mtd/maps/sun_uflash.c
index 3f1cb328a574..2d66234f57cb 100644
--- a/drivers/mtd/maps/sun_uflash.c
+++ b/drivers/mtd/maps/sun_uflash.c
@@ -101,7 +101,7 @@ int uflash_devinit(struct platform_device *op, struct device_node *dp)
 
         up->mtd->owner = THIS_MODULE;
 
-        add_mtd_device(up->mtd);
+        mtd_device_register(up->mtd, NULL, 0);
 
         dev_set_drvdata(&op->dev, up);
 
@@ -126,7 +126,7 @@ static int __devexit uflash_remove(struct platform_device *op)
         struct uflash_dev *up = dev_get_drvdata(&op->dev);
 
         if (up->mtd) {
-                del_mtd_device(up->mtd);
+                mtd_device_unregister(up->mtd);
                 map_destroy(up->mtd);
         }
         if (up->map.virt) {
diff --git a/drivers/mtd/maps/tqm8xxl.c b/drivers/mtd/maps/tqm8xxl.c
index 0718dfb3ee64..d78587990e7e 100644
--- a/drivers/mtd/maps/tqm8xxl.c
+++ b/drivers/mtd/maps/tqm8xxl.c
@@ -62,7 +62,6 @@ static void __iomem *start_scan_addr;
  * "struct map_desc *_io_desc" for the corresponding machine.
  */
 
-#ifdef CONFIG_MTD_PARTITIONS
 /* Currently, TQM8xxL has up to 8MiB flash */
 static unsigned long tqm8xxl_max_flash_size = 0x00800000;
 
@@ -107,7 +106,6 @@ static struct mtd_partition tqm8xxl_fs_partitions[] = {
           //.size = MTDPART_SIZ_FULL,
         }
 };
-#endif
 
 static int __init init_tqm_mtd(void)
 {
@@ -188,7 +186,6 @@ static int __init init_tqm_mtd(void)
                 goto error_mem;
         }
 
-#ifdef CONFIG_MTD_PARTITIONS
         /*
          * Select Static partition definitions
          */
@@ -201,21 +198,14 @@ static int __init init_tqm_mtd(void)
         part_banks[1].nums = ARRAY_SIZE(tqm8xxl_fs_partitions);
 
         for(idx = 0; idx < num_banks ; idx++) {
-                if (part_banks[idx].nums == 0) {
+                if (part_banks[idx].nums == 0)
                         printk(KERN_NOTICE "TQM flash%d: no partition info available, registering whole flash at once\n", idx);
-                        add_mtd_device(mtd_banks[idx]);
-                } else {
+                else
                         printk(KERN_NOTICE "TQM flash%d: Using %s partition definition\n",
                                         idx, part_banks[idx].type);
-                        add_mtd_partitions(mtd_banks[idx], part_banks[idx].mtd_part,
-                                                                part_banks[idx].nums);
-                }
+                mtd_device_register(mtd_banks[idx], part_banks[idx].mtd_part,
+                part_banks[idx].nums);
         }
-#else
-        printk(KERN_NOTICE "TQM flash: registering %d whole flash banks at once\n", num_banks);
-        for(idx = 0 ; idx < num_banks ; idx++)
-                add_mtd_device(mtd_banks[idx]);
-#endif
         return 0;
 error_mem:
         for(idx = 0 ; idx < FLASH_BANK_MAX ; idx++) {
@@ -237,7 +227,7 @@ static void __exit cleanup_tqm_mtd(void)
         for(idx = 0 ; idx < num_banks ; idx++) {
                 /* destroy mtd_info previously allocated */
                 if (mtd_banks[idx]) {
-                        del_mtd_partitions(mtd_banks[idx]);
+                        mtd_device_unregister(mtd_banks[idx]);
                         map_destroy(mtd_banks[idx]);
                 }
                 /* release map_info not used anymore */
diff --git a/drivers/mtd/maps/ts5500_flash.c b/drivers/mtd/maps/ts5500_flash.c
index e02dfa9d4ddd..d1d671daf235 100644
--- a/drivers/mtd/maps/ts5500_flash.c
+++ b/drivers/mtd/maps/ts5500_flash.c
@@ -89,7 +89,7 @@ static int __init init_ts5500_map(void)
         }
 
         mymtd->owner = THIS_MODULE;
-        add_mtd_partitions(mymtd, ts5500_partitions, NUM_PARTITIONS);
+        mtd_device_register(mymtd, ts5500_partitions, NUM_PARTITIONS);
 
         return 0;
 
@@ -102,7 +102,7 @@ err2:
 static void __exit cleanup_ts5500_map(void)
 {
         if (mymtd) {
-                del_mtd_partitions(mymtd);
+                mtd_device_unregister(mymtd);
                 map_destroy(mymtd);
         }
 
diff --git a/drivers/mtd/maps/tsunami_flash.c b/drivers/mtd/maps/tsunami_flash.c
index 77a8bfc02577..1de390e1c2fb 100644
--- a/drivers/mtd/maps/tsunami_flash.c
+++ b/drivers/mtd/maps/tsunami_flash.c
@@ -76,7 +76,7 @@ static void __exit  cleanup_tsunami_flash(void)
         struct mtd_info *mtd;
         mtd = tsunami_flash_mtd;
         if (mtd) {
-                del_mtd_device(mtd);
+                mtd_device_unregister(mtd);
                 map_destroy(mtd);
         }
         tsunami_flash_mtd = 0;
@@ -97,7 +97,7 @@ static int __init init_tsunami_flash(void)
         }
         if (tsunami_flash_mtd) {
                 tsunami_flash_mtd->owner = THIS_MODULE;
-                add_mtd_device(tsunami_flash_mtd);
+                mtd_device_register(tsunami_flash_mtd, NULL, 0);
                 return 0;
         }
         return -ENXIO;
diff --git a/drivers/mtd/maps/uclinux.c b/drivers/mtd/maps/uclinux.c
index 35009294b435..6793074f3f40 100644
--- a/drivers/mtd/maps/uclinux.c
+++ b/drivers/mtd/maps/uclinux.c
@@ -89,11 +89,7 @@ static int __init uclinux_mtd_init(void)
         mtd->priv = mapp;
 
         uclinux_ram_mtdinfo = mtd;
-#ifdef CONFIG_MTD_PARTITIONS
-        add_mtd_partitions(mtd, uclinux_romfs, NUM_PARTITIONS);
-#else
-        add_mtd_device(mtd);
-#endif
+        mtd_device_register(mtd, uclinux_romfs, NUM_PARTITIONS);
 
         return(0);
 }
@@ -103,11 +99,7 @@ static int __init uclinux_mtd_init(void)
 static void __exit uclinux_mtd_cleanup(void)
 {
         if (uclinux_ram_mtdinfo) {
-#ifdef CONFIG_MTD_PARTITIONS
-                del_mtd_partitions(uclinux_ram_mtdinfo);
-#else
-                del_mtd_device(uclinux_ram_mtdinfo);
-#endif
+                mtd_device_unregister(uclinux_ram_mtdinfo);
                 map_destroy(uclinux_ram_mtdinfo);
                 uclinux_ram_mtdinfo = NULL;
         }
diff --git a/drivers/mtd/maps/vmax301.c b/drivers/mtd/maps/vmax301.c
index 6adaa6acc193..5e68de73eabc 100644
--- a/drivers/mtd/maps/vmax301.c
+++ b/drivers/mtd/maps/vmax301.c
@@ -138,7 +138,7 @@ static void __exit cleanup_vmax301(void)
 
         for (i=0; i<2; i++) {
                 if (vmax_mtd[i]) {
-                        del_mtd_device(vmax_mtd[i]);
+                        mtd_device_unregister(vmax_mtd[i]);
                         map_destroy(vmax_mtd[i]);
                 }
         }
@@ -176,7 +176,7 @@ static int __init init_vmax301(void)
                         vmax_mtd[i] = do_map_probe("map_rom", &vmax_map[i]);
                 if (vmax_mtd[i]) {
                         vmax_mtd[i]->owner = THIS_MODULE;
-                        add_mtd_device(vmax_mtd[i]);
+                        mtd_device_register(vmax_mtd[i], NULL, 0);
                 }
         }
 
diff --git a/drivers/mtd/maps/vmu-flash.c b/drivers/mtd/maps/vmu-flash.c
index 4afc167731ef..3a04b078576a 100644
--- a/drivers/mtd/maps/vmu-flash.c
+++ b/drivers/mtd/maps/vmu-flash.c
@@ -563,7 +563,7 @@ static void vmu_queryblocks(struct mapleq *mq)
                 goto fail_cache_create;
         part_cur->pcache = pcache;
 
-        error = add_mtd_device(mtd_cur);
+        error = mtd_device_register(mtd_cur, NULL, 0);
         if (error)
                 goto fail_mtd_register;
 
@@ -709,7 +709,7 @@ static void __devexit vmu_disconnect(struct maple_device *mdev)
         for (x = 0; x < card->partitions; x++) {
                 mpart = ((card->mtd)[x]).priv;
                 mpart->mdev = NULL;
-                del_mtd_device(&((card->mtd)[x]));
+                mtd_device_unregister(&((card->mtd)[x]));
                 kfree(((card->parts)[x]).name);
         }
         kfree(card->parts);
diff --git a/drivers/mtd/maps/wr_sbc82xx_flash.c b/drivers/mtd/maps/wr_sbc82xx_flash.c
index 933a2b6598b4..901ce968efae 100644
--- a/drivers/mtd/maps/wr_sbc82xx_flash.c
+++ b/drivers/mtd/maps/wr_sbc82xx_flash.c
@@ -132,17 +132,20 @@ static int __init init_sbc82xx_flash(void)
                 nr_parts = parse_mtd_partitions(sbcmtd[i], part_probes,
                                                 &sbcmtd_parts[i], 0);
                 if (nr_parts > 0) {
-                        add_mtd_partitions (sbcmtd[i], sbcmtd_parts[i], nr_parts);
+                        mtd_device_register(sbcmtd[i], sbcmtd_parts[i],
+                                            nr_parts);
                         continue;
                 }
 
                 /* No partitioning detected. Use default */
                 if (i == 2) {
-                        add_mtd_device(sbcmtd[i]);
+                        mtd_device_register(sbcmtd[i], NULL, 0);
                 } else if (i == bigflash) {
-                        add_mtd_partitions (sbcmtd[i], bigflash_parts, ARRAY_SIZE(bigflash_parts));
+                        mtd_device_register(sbcmtd[i], bigflash_parts,
+                                            ARRAY_SIZE(bigflash_parts));
                 } else {
-                        add_mtd_partitions (sbcmtd[i], smallflash_parts, ARRAY_SIZE(smallflash_parts));
+                        mtd_device_register(sbcmtd[i], smallflash_parts,
+                                            ARRAY_SIZE(smallflash_parts));
                 }
         }
         return 0;
@@ -157,9 +160,9 @@ static void __exit cleanup_sbc82xx_flash(void)
                         continue;
 
                 if (i<2 || sbcmtd_parts[i])
-                        del_mtd_partitions(sbcmtd[i]);
+                        mtd_device_unregister(sbcmtd[i]);
                 else
-                        del_mtd_device(sbcmtd[i]);
+                        mtd_device_unregister(sbcmtd[i]);
 
                 kfree(sbcmtd_parts[i]);
                 map_destroy(sbcmtd[i]);
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index a534e1f0c348..ca385697446e 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -221,15 +221,33 @@ static int blktrans_open(struct block_device *bdev, fmode_t mode)
         kref_get(&dev->ref);
         __module_get(dev->tr->owner);
 
-        if (dev->mtd) {
-                ret = dev->tr->open ? dev->tr->open(dev) : 0;
-                __get_mtd_device(dev->mtd);
+        if (!dev->mtd)
+                goto unlock;
+
+        if (dev->tr->open) {
+                ret = dev->tr->open(dev);
+                if (ret)
+                        goto error_put;
         }
 
+        ret = __get_mtd_device(dev->mtd);
+        if (ret)
+                goto error_release;
+
 unlock:
         mutex_unlock(&dev->lock);
         blktrans_dev_put(dev);
         return ret;
+
+error_release:
+        if (dev->tr->release)
+                dev->tr->release(dev);
+error_put:
+        module_put(dev->tr->owner);
+        kref_put(&dev->ref, blktrans_dev_release);
+        mutex_unlock(&dev->lock);
+        blktrans_dev_put(dev);
+        return ret;
 }
 
 static int blktrans_release(struct gendisk *disk, fmode_t mode)
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 4c36ef66a46b..3f92731a5b9e 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -166,10 +166,23 @@ static int mtd_close(struct inode *inode, struct file *file)
         return 0;
 } /* mtd_close */
 
-/* FIXME: This _really_ needs to die. In 2.5, we should lock the
-   userspace buffer down and use it directly with readv/writev.
-*/
-#define MAX_KMALLOC_SIZE 0x20000
+/* Back in June 2001, dwmw2 wrote:
+ *
+ *   FIXME: This _really_ needs to die. In 2.5, we should lock the
+ *   userspace buffer down and use it directly with readv/writev.
+ *
+ * The implementation below, using mtd_kmalloc_up_to, mitigates
+ * allocation failures when the system is under low-memory situations
+ * or if memory is highly fragmented at the cost of reducing the
+ * performance of the requested transfer due to a smaller buffer size.
+ *
+ * A more complex but more memory-efficient implementation based on
+ * get_user_pages and iovecs to cover extents of those pages is a
+ * longer-term goal, as intimated by dwmw2 above. However, for the
+ * write case, this requires yet more complex head and tail transfer
+ * handling when those head and tail offsets and sizes are such that
+ * alignment requirements are not met in the NAND subdriver.
+ */
 
 static ssize_t mtd_read(struct file *file, char __user *buf, size_t count,loff_t *ppos)
 {
@@ -179,6 +192,7 @@ static ssize_t mtd_read(struct file *file, char __user *buf, size_t count,loff_t
         size_t total_retlen=0;
         int ret=0;
         int len;
+        size_t size = count;
         char *kbuf;
 
         DEBUG(MTD_DEBUG_LEVEL0,"MTD_read\n");
@@ -189,23 +203,12 @@ static ssize_t mtd_read(struct file *file, char __user *buf, size_t count,loff_t
         if (!count)
                 return 0;
 
-        /* FIXME: Use kiovec in 2.5 to lock down the user's buffers
-           and pass them directly to the MTD functions */
-
-        if (count > MAX_KMALLOC_SIZE)
-                kbuf=kmalloc(MAX_KMALLOC_SIZE, GFP_KERNEL);
-        else
-                kbuf=kmalloc(count, GFP_KERNEL);
-
+        kbuf = mtd_kmalloc_up_to(mtd, &size);
         if (!kbuf)
                 return -ENOMEM;
 
         while (count) {
-
-                if (count > MAX_KMALLOC_SIZE)
-                        len = MAX_KMALLOC_SIZE;
-                else
-                        len = count;
+                len = min_t(size_t, count, size);
 
                 switch (mfi->mode) {
                 case MTD_MODE_OTP_FACTORY:
@@ -268,6 +271,7 @@ static ssize_t mtd_write(struct file *file, const char __user *buf, size_t count
 {
         struct mtd_file_info *mfi = file->private_data;
         struct mtd_info *mtd = mfi->mtd;
+        size_t size = count;
         char *kbuf;
         size_t retlen;
         size_t total_retlen=0;
@@ -285,20 +289,12 @@ static ssize_t mtd_write(struct file *file, const char __user *buf, size_t count
         if (!count)
                 return 0;
 
-        if (count > MAX_KMALLOC_SIZE)
-                kbuf=kmalloc(MAX_KMALLOC_SIZE, GFP_KERNEL);
-        else
-                kbuf=kmalloc(count, GFP_KERNEL);
-
+        kbuf = mtd_kmalloc_up_to(mtd, &size);
         if (!kbuf)
                 return -ENOMEM;
 
         while (count) {
-
-                if (count > MAX_KMALLOC_SIZE)
-                        len = MAX_KMALLOC_SIZE;
-                else
-                        len = count;
+                len = min_t(size_t, count, size);
 
                 if (copy_from_user(kbuf, buf, len)) {
                         kfree(kbuf);
@@ -512,7 +508,6 @@ static int shrink_ecclayout(const struct nand_ecclayout *from,
         return 0;
 }
 
-#ifdef CONFIG_MTD_PARTITIONS
 static int mtd_blkpg_ioctl(struct mtd_info *mtd,
                            struct blkpg_ioctl_arg __user *arg)
 {
@@ -548,8 +543,6 @@ static int mtd_blkpg_ioctl(struct mtd_info *mtd,
                 return -EINVAL;
         }
 }
-#endif
-
 
 static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
 {
@@ -941,7 +934,6 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
                 break;
         }
 
-#ifdef CONFIG_MTD_PARTITIONS
         case BLKPG:
         {
                 ret = mtd_blkpg_ioctl(mtd,
@@ -955,7 +947,6 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
                 ret = 0;
                 break;
         }
-#endif
 
         default:
                 ret = -ENOTTY;
diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c
index 5060e608ea5d..e601672a5305 100644
--- a/drivers/mtd/mtdconcat.c
+++ b/drivers/mtd/mtdconcat.c
@@ -319,7 +319,7 @@ concat_write_oob(struct mtd_info *mtd, loff_t to, struct mtd_oob_ops *ops)
         if (!(mtd->flags & MTD_WRITEABLE))
                 return -EROFS;
 
-        ops->retlen = 0;
+        ops->retlen = ops->oobretlen = 0;
 
         for (i = 0; i < concat->num_subdev; i++) {
                 struct mtd_info *subdev = concat->subdev[i];
@@ -334,7 +334,7 @@ concat_write_oob(struct mtd_info *mtd, loff_t to, struct mtd_oob_ops *ops)
                         devops.len = subdev->size - to;
 
                 err = subdev->write_oob(subdev, to, &devops);
-                ops->retlen += devops.retlen;
+                ops->retlen += devops.oobretlen;
                 if (err)
                         return err;
 
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index da69bc8a5a7d..c510aff289a8 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -24,6 +24,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/ptrace.h>
+#include <linux/seq_file.h>
 #include <linux/string.h>
 #include <linux/timer.h>
 #include <linux/major.h>
@@ -37,6 +38,7 @@
 #include <linux/gfp.h>
 
 #include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
 
 #include "mtdcore.h"
 /*
@@ -391,7 +393,7 @@ fail_locked:
  *      if the requested device does not appear to be present in the list.
  */
 
-int del_mtd_device (struct mtd_info *mtd)
+int del_mtd_device(struct mtd_info *mtd)
 {
         int ret;
         struct mtd_notifier *not;
@@ -427,6 +429,50 @@ out_error:
 }
 
 /**
+ * mtd_device_register - register an MTD device.
+ *
+ * @master: the MTD device to register
+ * @parts: the partitions to register - only valid if nr_parts > 0
+ * @nr_parts: the number of partitions in parts.  If zero then the full MTD
+ *            device is registered
+ *
+ * Register an MTD device with the system and optionally, a number of
+ * partitions.  If nr_parts is 0 then the whole device is registered, otherwise
+ * only the partitions are registered.  To register both the full device *and*
+ * the partitions, call mtd_device_register() twice, once with nr_parts == 0
+ * and once equal to the number of partitions.
+ */
+int mtd_device_register(struct mtd_info *master,
+                        const struct mtd_partition *parts,
+                        int nr_parts)
+{
+        return parts ? add_mtd_partitions(master, parts, nr_parts) :
+                add_mtd_device(master);
+}
+EXPORT_SYMBOL_GPL(mtd_device_register);
+
+/**
+ * mtd_device_unregister - unregister an existing MTD device.
+ *
+ * @master: the MTD device to unregister.  This will unregister both the master
+ *          and any partitions if registered.
+ */
+int mtd_device_unregister(struct mtd_info *master)
+{
+        int err;
+
+        err = del_mtd_partitions(master);
+        if (err)
+                return err;
+
+        if (!device_is_registered(&master->dev))
+                return 0;
+
+        return del_mtd_device(master);
+}
+EXPORT_SYMBOL_GPL(mtd_device_unregister);
+
+/**
  *      register_mtd_user - register a 'user' of MTD devices.
  *      @new: pointer to notifier info structure
  *
@@ -443,7 +489,7 @@ void register_mtd_user (struct mtd_notifier *new)
 
         list_add(&new->list, &mtd_notifiers);
 
-        __module_get(THIS_MODULE);
+        __module_get(THIS_MODULE);
 
         mtd_for_each_device(mtd)
                 new->add(mtd);
@@ -532,7 +578,6 @@ int __get_mtd_device(struct mtd_info *mtd)
                 return -ENODEV;
 
         if (mtd->get_device) {
-
                 err = mtd->get_device(mtd);
 
                 if (err) {
@@ -570,21 +615,13 @@ struct mtd_info *get_mtd_device_nm(const char *name)
         if (!mtd)
                 goto out_unlock;
 
-        if (!try_module_get(mtd->owner))
+        err = __get_mtd_device(mtd);
+        if (err)
                 goto out_unlock;
 
-        if (mtd->get_device) {
-                err = mtd->get_device(mtd);
-                if (err)
-                        goto out_put;
-        }
-
-        mtd->usecount++;
         mutex_unlock(&mtd_table_mutex);
         return mtd;
 
-out_put:
-        module_put(mtd->owner);
 out_unlock:
         mutex_unlock(&mtd_table_mutex);
         return ERR_PTR(err);
@@ -638,8 +675,54 @@ int default_mtd_writev(struct mtd_info *mtd, const struct kvec *vecs,
         return ret;
 }
 
-EXPORT_SYMBOL_GPL(add_mtd_device);
-EXPORT_SYMBOL_GPL(del_mtd_device);
+/**
+ * mtd_kmalloc_up_to - allocate a contiguous buffer up to the specified size
+ * @size: A pointer to the ideal or maximum size of the allocation. Points
+ *        to the actual allocation size on success.
+ *
+ * This routine attempts to allocate a contiguous kernel buffer up to
+ * the specified size, backing off the size of the request exponentially
+ * until the request succeeds or until the allocation size falls below
+ * the system page size. This attempts to make sure it does not adversely
+ * impact system performance, so when allocating more than one page, we
+ * ask the memory allocator to avoid re-trying, swapping, writing back
+ * or performing I/O.
+ *
+ * Note, this function also makes sure that the allocated buffer is aligned to
+ * the MTD device's min. I/O unit, i.e. the "mtd->writesize" value.
+ *
+ * This is called, for example by mtd_{read,write} and jffs2_scan_medium,
+ * to handle smaller (i.e. degraded) buffer allocations under low- or
+ * fragmented-memory situations where such reduced allocations, from a
+ * requested ideal, are allowed.
+ *
+ * Returns a pointer to the allocated buffer on success; otherwise, NULL.
+ */
+void *mtd_kmalloc_up_to(const struct mtd_info *mtd, size_t *size)
+{
+        gfp_t flags = __GFP_NOWARN | __GFP_WAIT |
+                       __GFP_NORETRY | __GFP_NO_KSWAPD;
+        size_t min_alloc = max_t(size_t, mtd->writesize, PAGE_SIZE);
+        void *kbuf;
+
+        *size = min_t(size_t, *size, KMALLOC_MAX_SIZE);
+
+        while (*size > min_alloc) {
+                kbuf = kmalloc(*size, flags);
+                if (kbuf)
+                        return kbuf;
+
+                *size >>= 1;
+                *size = ALIGN(*size, mtd->writesize);
+        }
+
+        /*
+         * For the last resort allocation allow 'kmalloc()' to do all sorts of
+         * things (write-back, dropping caches, etc) by using GFP_KERNEL.
+         */
+        return kmalloc(*size, GFP_KERNEL);
+}
+
 EXPORT_SYMBOL_GPL(get_mtd_device);
 EXPORT_SYMBOL_GPL(get_mtd_device_nm);
 EXPORT_SYMBOL_GPL(__get_mtd_device);
@@ -648,6 +731,7 @@ EXPORT_SYMBOL_GPL(__put_mtd_device);
 EXPORT_SYMBOL_GPL(register_mtd_user);
 EXPORT_SYMBOL_GPL(unregister_mtd_user);
 EXPORT_SYMBOL_GPL(default_mtd_writev);
+EXPORT_SYMBOL_GPL(mtd_kmalloc_up_to);
 
 #ifdef CONFIG_PROC_FS
 
@@ -656,44 +740,32 @@ EXPORT_SYMBOL_GPL(default_mtd_writev);
 
 static struct proc_dir_entry *proc_mtd;
 
-static inline int mtd_proc_info(char *buf, struct mtd_info *this)
-{
-        return sprintf(buf, "mtd%d: %8.8llx %8.8x \"%s\"\n", this->index,
-                       (unsigned long long)this->size,
-                       this->erasesize, this->name);
-}
-
-static int mtd_read_proc (char *page, char **start, off_t off, int count,
-                          int *eof, void *data_unused)
+static int mtd_proc_show(struct seq_file *m, void *v)
 {
         struct mtd_info *mtd;
-        int len, l;
-        off_t   begin = 0;
 
+        seq_puts(m, "dev:    size   erasesize  name\n");
         mutex_lock(&mtd_table_mutex);
-
-        len = sprintf(page, "dev:    size   erasesize  name\n");
         mtd_for_each_device(mtd) {
-                l = mtd_proc_info(page + len, mtd);
-                len += l;
-                if (len+begin > off+count)
-                        goto done;
-                if (len+begin < off) {
-                        begin += len;
-                        len = 0;
-                }
-        }
-
-        *eof = 1;
-
-done:
+                seq_printf(m, "mtd%d: %8.8llx %8.8x \"%s\"\n",
+                           mtd->index, (unsigned long long)mtd->size,
+                           mtd->erasesize, mtd->name);
+        }
         mutex_unlock(&mtd_table_mutex);
-        if (off >= len+begin)
-                return 0;
-        *start = page + (off-begin);
-        return ((count < begin+len-off) ? count : begin+len-off);
+        return 0;
+}
+
+static int mtd_proc_open(struct inode *inode, struct file *file)
+{
+        return single_open(file, mtd_proc_show, NULL);
 }
 
+static const struct file_operations mtd_proc_ops = {
+        .open           = mtd_proc_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+};
 #endif /* CONFIG_PROC_FS */
 
 /*====================================================================*/
@@ -734,8 +806,7 @@ static int __init init_mtd(void)
                 goto err_bdi3;
 
 #ifdef CONFIG_PROC_FS
-        if ((proc_mtd = create_proc_entry( "mtd", 0, NULL )))
-                proc_mtd->read_proc = mtd_read_proc;
+        proc_mtd = proc_create("mtd", 0, NULL, &mtd_proc_ops);
 #endif /* CONFIG_PROC_FS */
         return 0;
 
@@ -753,7 +824,7 @@ err_reg:
 static void __exit cleanup_mtd(void)
 {
 #ifdef CONFIG_PROC_FS
-        if (proc_mtd)
+        if (proc_mtd)
                 remove_proc_entry( "mtd", NULL);
 #endif /* CONFIG_PROC_FS */
         class_unregister(&mtd_class);
diff --git a/drivers/mtd/mtdcore.h b/drivers/mtd/mtdcore.h
index 6a64fdebc898..0ed6126b4c1f 100644
--- a/drivers/mtd/mtdcore.h
+++ b/drivers/mtd/mtdcore.h
@@ -10,6 +10,12 @@
 extern struct mutex mtd_table_mutex;
 extern struct mtd_info *__mtd_next_device(int i);
 
+extern int add_mtd_device(struct mtd_info *mtd);
+extern int del_mtd_device(struct mtd_info *mtd);
+extern int add_mtd_partitions(struct mtd_info *, const struct mtd_partition *,
+                              int);
+extern int del_mtd_partitions(struct mtd_info *);
+
 #define mtd_for_each_device(mtd)                        \
         for ((mtd) = __mtd_next_device(0);              \
              (mtd) != NULL;                             \
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 0a4760174782..630be3e7da04 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -31,6 +31,8 @@
 #include <linux/mtd/partitions.h>
 #include <linux/err.h>
 
+#include "mtdcore.h"
+
 /* Our partition linked list */
 static LIST_HEAD(mtd_partitions);
 static DEFINE_MUTEX(mtd_partitions_mutex);
@@ -376,7 +378,6 @@ int del_mtd_partitions(struct mtd_info *master)
 
         return err;
 }
-EXPORT_SYMBOL(del_mtd_partitions);
 
 static struct mtd_part *allocate_partition(struct mtd_info *master,
                         const struct mtd_partition *part, int partno,
@@ -671,7 +672,6 @@ int add_mtd_partitions(struct mtd_info *master,
 
         return 0;
 }
-EXPORT_SYMBOL(add_mtd_partitions);
 
 static DEFINE_SPINLOCK(part_parser_lock);
 static LIST_HEAD(part_parsers);
@@ -722,11 +722,8 @@ int parse_mtd_partitions(struct mtd_info *master, const char **types,
                 parser = get_partition_parser(*types);
                 if (!parser && !request_module("%s", *types))
                                 parser = get_partition_parser(*types);
-                if (!parser) {
-                        printk(KERN_NOTICE "%s partition parsing not available\n",
-                               *types);
+                if (!parser)
                         continue;
-                }
                 ret = (*parser->parse_fn)(master, pparts, origin);
                 if (ret > 0) {
                         printk(KERN_NOTICE "%d %s partitions found on MTD device %s\n",
diff --git a/drivers/mtd/mtdswap.c b/drivers/mtd/mtdswap.c
index fed215c4cfa1..fd7885327611 100644
--- a/drivers/mtd/mtdswap.c
+++ b/drivers/mtd/mtdswap.c
@@ -1450,7 +1450,13 @@ static void mtdswap_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
         }
 
         oinfo = mtd->ecclayout;
-        if (!mtd->oobsize || !oinfo || oinfo->oobavail < MTDSWAP_OOBSIZE) {
+        if (!oinfo) {
+                printk(KERN_ERR "%s: mtd%d does not have OOB\n",
+                        MTDSWAP_PREFIX, mtd->index);
+                return;
+        }
+
+        if (!mtd->oobsize || oinfo->oobavail < MTDSWAP_OOBSIZE) {
                 printk(KERN_ERR "%s: Not enough free bytes in OOB, "
                         "%d available, %zu needed.\n",
                         MTDSWAP_PREFIX, oinfo->oobavail, MTDSWAP_OOBSIZE);
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index edec457d361d..4c3425235adc 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -92,7 +92,7 @@ config MTD_NAND_EDB7312
 
 config MTD_NAND_H1900
         tristate "iPAQ H1900 flash"
-        depends on ARCH_PXA && MTD_PARTITIONS
+        depends on ARCH_PXA
         help
           This enables the driver for the iPAQ h1900 flash.
 
@@ -419,7 +419,6 @@ config MTD_NAND_TMIO
 
 config MTD_NAND_NANDSIM
         tristate "Support for NAND Flash Simulator"
-        depends on MTD_PARTITIONS
         help
           The simulator may simulate various NAND flash chips for the
           MTD nand layer.
@@ -513,7 +512,7 @@ config MTD_NAND_SOCRATES
 
 config MTD_NAND_NUC900
         tristate "Support for NAND on Nuvoton NUC9xx/w90p910 evaluation boards."
-        depends on ARCH_W90X900 && MTD_PARTITIONS
+        depends on ARCH_W90X900
         help
           This enables the driver for the NAND Flash on evaluation board based
           on w90p910 / NUC9xx.
diff --git a/drivers/mtd/nand/alauda.c b/drivers/mtd/nand/alauda.c
index 8691e0482ed2..eb40ea829ab2 100644
--- a/drivers/mtd/nand/alauda.c
+++ b/drivers/mtd/nand/alauda.c
@@ -120,7 +120,7 @@ static void alauda_delete(struct kref *kref)
         struct alauda *al = container_of(kref, struct alauda, kref);
 
         if (al->mtd) {
-                del_mtd_device(al->mtd);
+                mtd_device_unregister(al->mtd);
                 kfree(al->mtd);
         }
         usb_put_dev(al->dev);
@@ -592,7 +592,7 @@ static int alauda_init_media(struct alauda *al)
         mtd->priv = al;
         mtd->owner = THIS_MODULE;
 
-        err = add_mtd_device(mtd);
+        err = mtd_device_register(mtd, NULL, 0);
         if (err) {
                 err = -ENFILE;
                 goto error;
diff --git a/drivers/mtd/nand/ams-delta.c b/drivers/mtd/nand/ams-delta.c
index bc65bf71e1a2..78017eb9318e 100644
--- a/drivers/mtd/nand/ams-delta.c
+++ b/drivers/mtd/nand/ams-delta.c
@@ -235,8 +235,8 @@ static int __devinit ams_delta_init(struct platform_device *pdev)
         }
 
         /* Register the partitions */
-        add_mtd_partitions(ams_delta_mtd, partition_info,
-                           ARRAY_SIZE(partition_info));
+        mtd_device_register(ams_delta_mtd, partition_info,
+                            ARRAY_SIZE(partition_info));
 
         goto out;
 
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 950646aa4c4b..b300705d41cb 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -30,6 +30,7 @@
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
 
+#include <linux/dmaengine.h>
 #include <linux/gpio.h>
 #include <linux/io.h>
 
@@ -494,11 +495,8 @@ static int __init atmel_nand_probe(struct platform_device *pdev)
         struct resource *regs;
         struct resource *mem;
         int res;
-
-#ifdef CONFIG_MTD_PARTITIONS
         struct mtd_partition *partitions = NULL;
         int num_partitions = 0;
-#endif
 
         mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         if (!mem) {
@@ -656,7 +654,6 @@ static int __init atmel_nand_probe(struct platform_device *pdev)
                 goto err_scan_tail;
         }
 
-#ifdef CONFIG_MTD_PARTITIONS
 #ifdef CONFIG_MTD_CMDLINE_PARTS
         mtd->name = "atmel_nand";
         num_partitions = parse_mtd_partitions(mtd, part_probes,
@@ -672,17 +669,11 @@ static int __init atmel_nand_probe(struct platform_device *pdev)
                 goto err_no_partitions;
         }
 
-        res = add_mtd_partitions(mtd, partitions, num_partitions);
-#else
-        res = add_mtd_device(mtd);
-#endif
-
+        res = mtd_device_register(mtd, partitions, num_partitions);
         if (!res)
                 return res;
 
-#ifdef CONFIG_MTD_PARTITIONS
 err_no_partitions:
-#endif
         nand_release(mtd);
 err_scan_tail:
 err_scan_ident:
diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c
index 5d513b54a7d7..e7767eef4505 100644
--- a/drivers/mtd/nand/au1550nd.c
+++ b/drivers/mtd/nand/au1550nd.c
@@ -581,7 +581,8 @@ static int __init au1xxx_nand_init(void)
         }
 
         /* Register the partitions */
-        add_mtd_partitions(au1550_mtd, partition_info, ARRAY_SIZE(partition_info));
+        mtd_device_register(au1550_mtd, partition_info,
+                            ARRAY_SIZE(partition_info));
 
         return 0;
 
diff --git a/drivers/mtd/nand/autcpu12.c b/drivers/mtd/nand/autcpu12.c
index 0911cf03db80..eddc9a224985 100644
--- a/drivers/mtd/nand/autcpu12.c
+++ b/drivers/mtd/nand/autcpu12.c
@@ -185,20 +185,20 @@ static int __init autcpu12_init(void)
         /* Register the partitions */
         switch (autcpu12_mtd->size) {
                 case SZ_16M:
-                        add_mtd_partitions(autcpu12_mtd, partition_info16k,
-                                           NUM_PARTITIONS16K);
+                        mtd_device_register(autcpu12_mtd, partition_info16k,
+                                            NUM_PARTITIONS16K);
                         break;
                 case SZ_32M:
-                        add_mtd_partitions(autcpu12_mtd, partition_info32k,
-                                           NUM_PARTITIONS32K);
+                        mtd_device_register(autcpu12_mtd, partition_info32k,
+                                            NUM_PARTITIONS32K);
                         break;
                 case SZ_64M:
-                        add_mtd_partitions(autcpu12_mtd, partition_info64k,
-                                           NUM_PARTITIONS64K);
+                        mtd_device_register(autcpu12_mtd, partition_info64k,
+                                            NUM_PARTITIONS64K);
                         break;
                 case SZ_128M:
-                        add_mtd_partitions(autcpu12_mtd, partition_info128k,
-                                           NUM_PARTITIONS128K);
+                        mtd_device_register(autcpu12_mtd, partition_info128k,
+                                            NUM_PARTITIONS128K);
                         break;
                 default:
                         printk("Unsupported SmartMedia device\n");
diff --git a/drivers/mtd/nand/bcm_umi_nand.c b/drivers/mtd/nand/bcm_umi_nand.c
index dfe262c726fb..9ec280738a9a 100644
--- a/drivers/mtd/nand/bcm_umi_nand.c
+++ b/drivers/mtd/nand/bcm_umi_nand.c
@@ -52,9 +52,7 @@
 static const __devinitconst char gBanner[] = KERN_INFO \
         "BCM UMI MTD NAND Driver: 1.00\n";
 
-#ifdef CONFIG_MTD_PARTITIONS
 const char *part_probes[] = { "cmdlinepart", NULL };
-#endif
 
 #if NAND_ECC_BCH
 static uint8_t scan_ff_pattern[] = { 0xff };
@@ -509,7 +507,7 @@ static int __devinit bcm_umi_nand_probe(struct platform_device *pdev)
                         kfree(board_mtd);
                         return -EIO;
                 }
-                add_mtd_partitions(board_mtd, partition_info, nr_partitions);
+                mtd_device_register(board_mtd, partition_info, nr_partitions);
         }
 
         /* Return happy */
diff --git a/drivers/mtd/nand/bf5xx_nand.c b/drivers/mtd/nand/bf5xx_nand.c
index 79947bea4d57..dd899cb5d366 100644
--- a/drivers/mtd/nand/bf5xx_nand.c
+++ b/drivers/mtd/nand/bf5xx_nand.c
@@ -659,15 +659,10 @@ static int bf5xx_nand_hw_init(struct bf5xx_nand_info *info)
 static int __devinit bf5xx_nand_add_partition(struct bf5xx_nand_info *info)
 {
         struct mtd_info *mtd = &info->mtd;
-
-#ifdef CONFIG_MTD_PARTITIONS
         struct mtd_partition *parts = info->platform->partitions;
         int nr = info->platform->nr_partitions;
 
-        return add_mtd_partitions(mtd, parts, nr);
-#else
-        return add_mtd_device(mtd);
-#endif
+        return mtd_device_register(mtd, parts, nr);
 }
 
 static int __devexit bf5xx_nand_remove(struct platform_device *pdev)
diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c
index e06c8983978e..87ebb4e5b0c3 100644
--- a/drivers/mtd/nand/cafe_nand.c
+++ b/drivers/mtd/nand/cafe_nand.c
@@ -90,9 +90,7 @@ static unsigned int numtimings;
 static int timing[3];
 module_param_array(timing, int, &numtimings, 0644);
 
-#ifdef CONFIG_MTD_PARTITIONS
 static const char *part_probes[] = { "cmdlinepart", "RedBoot", NULL };
-#endif
 
 /* Hrm. Why isn't this already conditional on something in the struct device? */
 #define cafe_dev_dbg(dev, args...) do { if (debug) dev_dbg(dev, ##args); } while(0)
@@ -632,10 +630,8 @@ static int __devinit cafe_nand_probe(struct pci_dev *pdev,
         struct cafe_priv *cafe;
         uint32_t ctrl;
         int err = 0;
-#ifdef CONFIG_MTD_PARTITIONS
         struct mtd_partition *parts;
         int nr_parts;
-#endif
 
         /* Very old versions shared the same PCI ident for all three
            functions on the chip. Verify the class too... */
@@ -804,9 +800,8 @@ static int __devinit cafe_nand_probe(struct pci_dev *pdev,
         pci_set_drvdata(pdev, mtd);
 
         /* We register the whole device first, separate from the partitions */
-        add_mtd_device(mtd);
+        mtd_device_register(mtd, NULL, 0);
 
-#ifdef CONFIG_MTD_PARTITIONS
 #ifdef CONFIG_MTD_CMDLINE_PARTS
         mtd->name = "cafe_nand";
 #endif
@@ -814,9 +809,8 @@ static int __devinit cafe_nand_probe(struct pci_dev *pdev,
         if (nr_parts > 0) {
                 cafe->parts = parts;
                 dev_info(&cafe->pdev->dev, "%d partitions found\n", nr_parts);
-                add_mtd_partitions(mtd, parts, nr_parts);
+                mtd_device_register(mtd, parts, nr_parts);
         }
-#endif
         goto out;
 
  out_irq:
@@ -838,7 +832,6 @@ static void __devexit cafe_nand_remove(struct pci_dev *pdev)
         struct mtd_info *mtd = pci_get_drvdata(pdev);
         struct cafe_priv *cafe = mtd->priv;
 
-        del_mtd_device(mtd);
         /* Disable NAND IRQ in global IRQ mask register */
         cafe_writel(cafe, ~1 & cafe_readl(cafe, GLOBAL_IRQ_MASK), GLOBAL_IRQ_MASK);
         free_irq(pdev->irq, mtd);
diff --git a/drivers/mtd/nand/cmx270_nand.c b/drivers/mtd/nand/cmx270_nand.c
index 6e6495278258..6fc043a30d1e 100644
--- a/drivers/mtd/nand/cmx270_nand.c
+++ b/drivers/mtd/nand/cmx270_nand.c
@@ -238,7 +238,7 @@ static int __init cmx270_init(void)
 
         /* Register the partitions */
         pr_notice("Using %s partition definition\n", part_type);
-        ret = add_mtd_partitions(cmx270_nand_mtd, mtd_parts, mtd_parts_nb);
+        ret = mtd_device_register(cmx270_nand_mtd, mtd_parts, mtd_parts_nb);
         if (ret)
                 goto err_scan;
 
diff --git a/drivers/mtd/nand/cs553x_nand.c b/drivers/mtd/nand/cs553x_nand.c
index 71c35a0b9826..f59ad1f2d5db 100644
--- a/drivers/mtd/nand/cs553x_nand.c
+++ b/drivers/mtd/nand/cs553x_nand.c
@@ -277,22 +277,15 @@ static int is_geode(void)
         return 0;
 }
 
-
-#ifdef CONFIG_MTD_PARTITIONS
 static const char *part_probes[] = { "cmdlinepart", NULL };
-#endif
-
 
 static int __init cs553x_init(void)
 {
         int err = -ENXIO;
         int i;
         uint64_t val;
-
-#ifdef CONFIG_MTD_PARTITIONS
         int mtd_parts_nb = 0;
         struct mtd_partition *mtd_parts = NULL;
-#endif
 
         /* If the CPU isn't a Geode GX or LX, abort */
         if (!is_geode())
@@ -324,17 +317,11 @@ static int __init cs553x_init(void)
                 if (cs553x_mtd[i]) {
 
                         /* If any devices registered, return success. Else the last error. */
-#ifdef CONFIG_MTD_PARTITIONS
                         mtd_parts_nb = parse_mtd_partitions(cs553x_mtd[i], part_probes, &mtd_parts, 0);
-                        if (mtd_parts_nb > 0) {
+                        if (mtd_parts_nb > 0)
                                 printk(KERN_NOTICE "Using command line partition definition\n");
-                                add_mtd_partitions(cs553x_mtd[i], mtd_parts, mtd_parts_nb);
-                        } else {
-                                add_mtd_device(cs553x_mtd[i]);
-                        }
-#else
-                        add_mtd_device(cs553x_mtd[i]);
-#endif
+                        mtd_device_register(cs553x_mtd[i], mtd_parts,
+                                            mtd_parts_nb);
                         err = 0;
                 }
         }
diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index aff3468867ac..1f34951ae1a7 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)
diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index 4633f094c510..d5276218945f 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -19,6 +19,7 @@
 
 #include <linux/interrupt.h>
 #include <linux/delay.h>
+#include <linux/dma-mapping.h>
 #include <linux/wait.h>
 #include <linux/mutex.h>
 #include <linux/slab.h>
@@ -44,16 +45,16 @@ MODULE_PARM_DESC(onfi_timing_mode, "Overrides default ONFI setting."
 
 /* We define a macro here that combines all interrupts this driver uses into
  * a single constant value, for convenience. */
-#define DENALI_IRQ_ALL  (INTR_STATUS0__DMA_CMD_COMP | \
-                        INTR_STATUS0__ECC_TRANSACTION_DONE | \
-                        INTR_STATUS0__ECC_ERR | \
-                        INTR_STATUS0__PROGRAM_FAIL | \
-                        INTR_STATUS0__LOAD_COMP | \
-                        INTR_STATUS0__PROGRAM_COMP | \
-                        INTR_STATUS0__TIME_OUT | \
-                        INTR_STATUS0__ERASE_FAIL | \
-                        INTR_STATUS0__RST_COMP | \
-                        INTR_STATUS0__ERASE_COMP)
+#define DENALI_IRQ_ALL  (INTR_STATUS__DMA_CMD_COMP | \
+                        INTR_STATUS__ECC_TRANSACTION_DONE | \
+                        INTR_STATUS__ECC_ERR | \
+                        INTR_STATUS__PROGRAM_FAIL | \
+                        INTR_STATUS__LOAD_COMP | \
+                        INTR_STATUS__PROGRAM_COMP | \
+                        INTR_STATUS__TIME_OUT | \
+                        INTR_STATUS__ERASE_FAIL | \
+                        INTR_STATUS__RST_COMP | \
+                        INTR_STATUS__ERASE_COMP)
 
 /* indicates whether or not the internal value for the flash bank is
  * valid or not */
@@ -95,30 +96,6 @@ static const struct pci_device_id denali_pci_ids[] = {
         { /* end: all zeroes */ }
 };
 
-
-/* these are static lookup tables that give us easy access to
- * registers in the NAND controller.
- */
-static const uint32_t intr_status_addresses[4] = {INTR_STATUS0,
-                                                  INTR_STATUS1,
-                                                  INTR_STATUS2,
-                                                  INTR_STATUS3};
-
-static const uint32_t device_reset_banks[4] = {DEVICE_RESET__BANK0,
-                                                        DEVICE_RESET__BANK1,
-                                                        DEVICE_RESET__BANK2,
-                                                        DEVICE_RESET__BANK3};
-
-static const uint32_t operation_timeout[4] = {INTR_STATUS0__TIME_OUT,
-                                                        INTR_STATUS1__TIME_OUT,
-                                                        INTR_STATUS2__TIME_OUT,
-                                                        INTR_STATUS3__TIME_OUT};
-
-static const uint32_t reset_complete[4] = {INTR_STATUS0__RST_COMP,
-                                                        INTR_STATUS1__RST_COMP,
-                                                        INTR_STATUS2__RST_COMP,
-                                                        INTR_STATUS3__RST_COMP};
-
 /* forward declarations */
 static void clear_interrupts(struct denali_nand_info *denali);
 static uint32_t wait_for_irq(struct denali_nand_info *denali,
@@ -180,19 +157,17 @@ static void read_status(struct denali_nand_info *denali)
 static void reset_bank(struct denali_nand_info *denali)
 {
         uint32_t irq_status = 0;
-        uint32_t irq_mask = reset_complete[denali->flash_bank] |
-                            operation_timeout[denali->flash_bank];
-        int bank = 0;
+        uint32_t irq_mask = INTR_STATUS__RST_COMP |
+                            INTR_STATUS__TIME_OUT;
 
         clear_interrupts(denali);
 
-        bank = device_reset_banks[denali->flash_bank];
-        iowrite32(bank, denali->flash_reg + DEVICE_RESET);
+        iowrite32(1 << denali->flash_bank, denali->flash_reg + DEVICE_RESET);
 
         irq_status = wait_for_irq(denali, irq_mask);
 
-        if (irq_status & operation_timeout[denali->flash_bank])
-                dev_err(&denali->dev->dev, "reset bank failed.\n");
+        if (irq_status & INTR_STATUS__TIME_OUT)
+                dev_err(denali->dev, "reset bank failed.\n");
 }
 
 /* Reset the flash controller */
@@ -200,29 +175,28 @@ static uint16_t denali_nand_reset(struct denali_nand_info *denali)
 {
         uint32_t i;
 
-        dev_dbg(&denali->dev->dev, "%s, Line %d, Function: %s\n",
+        dev_dbg(denali->dev, "%s, Line %d, Function: %s\n",
                        __FILE__, __LINE__, __func__);
 
-        for (i = 0 ; i < LLD_MAX_FLASH_BANKS; i++)
-                iowrite32(reset_complete[i] | operation_timeout[i],
-                denali->flash_reg + intr_status_addresses[i]);
+        for (i = 0 ; i < denali->max_banks; i++)
+                iowrite32(INTR_STATUS__RST_COMP | INTR_STATUS__TIME_OUT,
+                denali->flash_reg + INTR_STATUS(i));
 
-        for (i = 0 ; i < LLD_MAX_FLASH_BANKS; i++) {
-                iowrite32(device_reset_banks[i],
-                                denali->flash_reg + DEVICE_RESET);
+        for (i = 0 ; i < denali->max_banks; i++) {
+                iowrite32(1 << i, denali->flash_reg + DEVICE_RESET);
                 while (!(ioread32(denali->flash_reg +
-                                intr_status_addresses[i]) &
-                        (reset_complete[i] | operation_timeout[i])))
+                                INTR_STATUS(i)) &
+                        (INTR_STATUS__RST_COMP | INTR_STATUS__TIME_OUT)))
                         cpu_relax();
-                if (ioread32(denali->flash_reg + intr_status_addresses[i]) &
-                        operation_timeout[i])
-                        dev_dbg(&denali->dev->dev,
+                if (ioread32(denali->flash_reg + INTR_STATUS(i)) &
+                        INTR_STATUS__TIME_OUT)
+                        dev_dbg(denali->dev,
                         "NAND Reset operation timed out on bank %d\n", i);
         }
 
-        for (i = 0; i < LLD_MAX_FLASH_BANKS; i++)
-                iowrite32(reset_complete[i] | operation_timeout[i],
-                        denali->flash_reg + intr_status_addresses[i]);
+        for (i = 0; i < denali->max_banks; i++)
+                iowrite32(INTR_STATUS__RST_COMP | INTR_STATUS__TIME_OUT,
+                        denali->flash_reg + INTR_STATUS(i));
 
         return PASS;
 }
@@ -254,7 +228,7 @@ static void nand_onfi_timing_set(struct denali_nand_info *denali,
         uint16_t acc_clks;
         uint16_t addr_2_data, re_2_we, re_2_re, we_2_re, cs_cnt;
 
-        dev_dbg(&denali->dev->dev, "%s, Line %d, Function: %s\n",
+        dev_dbg(denali->dev, "%s, Line %d, Function: %s\n",
                        __FILE__, __LINE__, __func__);
 
         en_lo = CEIL_DIV(Trp[mode], CLK_X);
@@ -291,7 +265,7 @@ static void nand_onfi_timing_set(struct denali_nand_info *denali,
                 acc_clks++;
 
         if ((data_invalid - acc_clks * CLK_X) < 2)
-                dev_warn(&denali->dev->dev, "%s, Line %d: Warning!\n",
+                dev_warn(denali->dev, "%s, Line %d: Warning!\n",
                         __FILE__, __LINE__);
 
         addr_2_data = CEIL_DIV(Tadl[mode], CLK_X);
@@ -419,7 +393,7 @@ static void get_hynix_nand_para(struct denali_nand_info *denali,
 #endif
                 break;
         default:
-                dev_warn(&denali->dev->dev,
+                dev_warn(denali->dev,
                         "Spectra: Unknown Hynix NAND (Device ID: 0x%x)."
                         "Will use default parameter values instead.\n",
                         device_id);
@@ -431,17 +405,17 @@ static void get_hynix_nand_para(struct denali_nand_info *denali,
  */
 static void find_valid_banks(struct denali_nand_info *denali)
 {
-        uint32_t id[LLD_MAX_FLASH_BANKS];
+        uint32_t id[denali->max_banks];
         int i;
 
         denali->total_used_banks = 1;
-        for (i = 0; i < LLD_MAX_FLASH_BANKS; i++) {
+        for (i = 0; i < denali->max_banks; i++) {
                 index_addr(denali, (uint32_t)(MODE_11 | (i << 24) | 0), 0x90);
                 index_addr(denali, (uint32_t)(MODE_11 | (i << 24) | 1), 0);
                 index_addr_read_data(denali,
                                 (uint32_t)(MODE_11 | (i << 24) | 2), &id[i]);
 
-                dev_dbg(&denali->dev->dev,
+                dev_dbg(denali->dev,
                         "Return 1st ID for bank[%d]: %x\n", i, id[i]);
 
                 if (i == 0) {
@@ -461,16 +435,27 @@ static void find_valid_banks(struct denali_nand_info *denali)
                  * Multichip support is not enabled.
                  */
                 if (denali->total_used_banks != 1) {
-                        dev_err(&denali->dev->dev,
+                        dev_err(denali->dev,
                                         "Sorry, Intel CE4100 only supports "
                                         "a single NAND device.\n");
                         BUG();
                 }
         }
-        dev_dbg(&denali->dev->dev,
+        dev_dbg(denali->dev,
                 "denali->total_used_banks: %d\n", denali->total_used_banks);
 }
 
+/*
+ * Use the configuration feature register to determine the maximum number of
+ * banks that the hardware supports.
+ */
+static void detect_max_banks(struct denali_nand_info *denali)
+{
+        uint32_t features = ioread32(denali->flash_reg + FEATURES);
+
+        denali->max_banks = 2 << (features & FEATURES__N_BANKS);
+}
+
 static void detect_partition_feature(struct denali_nand_info *denali)
 {
         /* For MRST platform, denali->fwblks represent the
@@ -480,15 +465,15 @@ static void detect_partition_feature(struct denali_nand_info *denali)
          * blocks it can't touch.
          * */
         if (ioread32(denali->flash_reg + FEATURES) & FEATURES__PARTITION) {
-                if ((ioread32(denali->flash_reg + PERM_SRC_ID_1) &
-                        PERM_SRC_ID_1__SRCID) == SPECTRA_PARTITION_ID) {
+                if ((ioread32(denali->flash_reg + PERM_SRC_ID(1)) &
+                        PERM_SRC_ID__SRCID) == SPECTRA_PARTITION_ID) {
                         denali->fwblks =
-                            ((ioread32(denali->flash_reg + MIN_MAX_BANK_1) &
-                              MIN_MAX_BANK_1__MIN_VALUE) *
+                            ((ioread32(denali->flash_reg + MIN_MAX_BANK(1)) &
+                              MIN_MAX_BANK__MIN_VALUE) *
                              denali->blksperchip)
                             +
-                            (ioread32(denali->flash_reg + MIN_BLK_ADDR_1) &
-                            MIN_BLK_ADDR_1__VALUE);
+                            (ioread32(denali->flash_reg + MIN_BLK_ADDR(1)) &
+                            MIN_BLK_ADDR__VALUE);
                 } else
                         denali->fwblks = SPECTRA_START_BLOCK;
         } else
@@ -501,7 +486,7 @@ static uint16_t denali_nand_timing_set(struct denali_nand_info *denali)
         uint32_t id_bytes[5], addr;
         uint8_t i, maf_id, device_id;
 
-        dev_dbg(&denali->dev->dev,
+        dev_dbg(denali->dev,
                         "%s, Line %d, Function: %s\n",
                         __FILE__, __LINE__, __func__);
 
@@ -530,7 +515,7 @@ static uint16_t denali_nand_timing_set(struct denali_nand_info *denali)
                 get_hynix_nand_para(denali, device_id);
         }
 
-        dev_info(&denali->dev->dev,
+        dev_info(denali->dev,
                         "Dump timing register values:"
                         "acc_clks: %d, re_2_we: %d, re_2_re: %d\n"
                         "we_2_re: %d, addr_2_data: %d, rdwr_en_lo_cnt: %d\n"
@@ -560,7 +545,7 @@ static uint16_t denali_nand_timing_set(struct denali_nand_info *denali)
 static void denali_set_intr_modes(struct denali_nand_info *denali,
                                         uint16_t INT_ENABLE)
 {
-        dev_dbg(&denali->dev->dev, "%s, Line %d, Function: %s\n",
+        dev_dbg(denali->dev, "%s, Line %d, Function: %s\n",
                        __FILE__, __LINE__, __func__);
 
         if (INT_ENABLE)
@@ -580,6 +565,7 @@ static inline bool is_flash_bank_valid(int flash_bank)
 static void denali_irq_init(struct denali_nand_info *denali)
 {
         uint32_t int_mask = 0;
+        int i;
 
         /* Disable global interrupts */
         denali_set_intr_modes(denali, false);
@@ -587,10 +573,8 @@ static void denali_irq_init(struct denali_nand_info *denali)
         int_mask = DENALI_IRQ_ALL;
 
         /* Clear all status bits */
-        iowrite32(0xFFFF, denali->flash_reg + INTR_STATUS0);
-        iowrite32(0xFFFF, denali->flash_reg + INTR_STATUS1);
-        iowrite32(0xFFFF, denali->flash_reg + INTR_STATUS2);
-        iowrite32(0xFFFF, denali->flash_reg + INTR_STATUS3);
+        for (i = 0; i < denali->max_banks; ++i)
+                iowrite32(0xFFFF, denali->flash_reg + INTR_STATUS(i));
 
         denali_irq_enable(denali, int_mask);
 }
@@ -604,10 +588,10 @@ static void denali_irq_cleanup(int irqnum, struct denali_nand_info *denali)
 static void denali_irq_enable(struct denali_nand_info *denali,
                                                         uint32_t int_mask)
 {
-        iowrite32(int_mask, denali->flash_reg + INTR_EN0);
-        iowrite32(int_mask, denali->flash_reg + INTR_EN1);
-        iowrite32(int_mask, denali->flash_reg + INTR_EN2);
-        iowrite32(int_mask, denali->flash_reg + INTR_EN3);
+        int i;
+
+        for (i = 0; i < denali->max_banks; ++i)
+                iowrite32(int_mask, denali->flash_reg + INTR_EN(i));
 }
 
 /* This function only returns when an interrupt that this driver cares about
@@ -624,7 +608,7 @@ static inline void clear_interrupt(struct denali_nand_info *denali,
 {
         uint32_t intr_status_reg = 0;
 
-        intr_status_reg = intr_status_addresses[denali->flash_bank];
+        intr_status_reg = INTR_STATUS(denali->flash_bank);
 
         iowrite32(irq_mask, denali->flash_reg + intr_status_reg);
 }
@@ -645,7 +629,7 @@ static uint32_t read_interrupt_status(struct denali_nand_info *denali)
 {
         uint32_t intr_status_reg = 0;
 
-        intr_status_reg = intr_status_addresses[denali->flash_bank];
+        intr_status_reg = INTR_STATUS(denali->flash_bank);
 
         return ioread32(denali->flash_reg + intr_status_reg);
 }
@@ -754,7 +738,7 @@ static int denali_send_pipeline_cmd(struct denali_nand_info *denali,
                  irq_mask = 0;
 
         if (op == DENALI_READ)
-                irq_mask = INTR_STATUS0__LOAD_COMP;
+                irq_mask = INTR_STATUS__LOAD_COMP;
         else if (op == DENALI_WRITE)
                 irq_mask = 0;
         else
@@ -800,7 +784,7 @@ static int denali_send_pipeline_cmd(struct denali_nand_info *denali,
                         irq_status = wait_for_irq(denali, irq_mask);
 
                         if (irq_status == 0) {
-                                dev_err(&denali->dev->dev,
+                                dev_err(denali->dev,
                                                 "cmd, page, addr on timeout "
                                                 "(0x%x, 0x%x, 0x%x)\n",
                                                 cmd, denali->page, addr);
@@ -861,8 +845,8 @@ static int write_oob_data(struct mtd_info *mtd, uint8_t *buf, int page)
 {
         struct denali_nand_info *denali = mtd_to_denali(mtd);
         uint32_t irq_status = 0;
-        uint32_t irq_mask = INTR_STATUS0__PROGRAM_COMP |
-                                                INTR_STATUS0__PROGRAM_FAIL;
+        uint32_t irq_mask = INTR_STATUS__PROGRAM_COMP |
+                                                INTR_STATUS__PROGRAM_FAIL;
         int status = 0;
 
         denali->page = page;
@@ -875,11 +859,11 @@ static int write_oob_data(struct mtd_info *mtd, uint8_t *buf, int page)
                 irq_status = wait_for_irq(denali, irq_mask);
 
                 if (irq_status == 0) {
-                        dev_err(&denali->dev->dev, "OOB write failed\n");
+                        dev_err(denali->dev, "OOB write failed\n");
                         status = -EIO;
                 }
         } else {
-                dev_err(&denali->dev->dev, "unable to send pipeline command\n");
+                dev_err(denali->dev, "unable to send pipeline command\n");
                 status = -EIO;
         }
         return status;
@@ -889,7 +873,7 @@ static int write_oob_data(struct mtd_info *mtd, uint8_t *buf, int page)
 static void read_oob_data(struct mtd_info *mtd, uint8_t *buf, int page)
 {
         struct denali_nand_info *denali = mtd_to_denali(mtd);
-        uint32_t irq_mask = INTR_STATUS0__LOAD_COMP,
+        uint32_t irq_mask = INTR_STATUS__LOAD_COMP,
                          irq_status = 0, addr = 0x0, cmd = 0x0;
 
         denali->page = page;
@@ -904,7 +888,7 @@ static void read_oob_data(struct mtd_info *mtd, uint8_t *buf, int page)
                 irq_status = wait_for_irq(denali, irq_mask);
 
                 if (irq_status == 0)
-                        dev_err(&denali->dev->dev, "page on OOB timeout %d\n",
+                        dev_err(denali->dev, "page on OOB timeout %d\n",
                                         denali->page);
 
                 /* We set the device back to MAIN_ACCESS here as I observed
@@ -944,7 +928,7 @@ static bool handle_ecc(struct denali_nand_info *denali, uint8_t *buf,
 {
         bool check_erased_page = false;
 
-        if (irq_status & INTR_STATUS0__ECC_ERR) {
+        if (irq_status & INTR_STATUS__ECC_ERR) {
                 /* read the ECC errors. we'll ignore them for now */
                 uint32_t err_address = 0, err_correction_info = 0;
                 uint32_t err_byte = 0, err_sector = 0, err_device = 0;
@@ -995,7 +979,7 @@ static bool handle_ecc(struct denali_nand_info *denali, uint8_t *buf,
                  * for a while for this interrupt
                  * */
                 while (!(read_interrupt_status(denali) &
-                                INTR_STATUS0__ECC_TRANSACTION_DONE))
+                                INTR_STATUS__ECC_TRANSACTION_DONE))
                         cpu_relax();
                 clear_interrupts(denali);
                 denali_set_intr_modes(denali, true);
@@ -1045,14 +1029,13 @@ static void write_page(struct mtd_info *mtd, struct nand_chip *chip,
                         const uint8_t *buf, bool raw_xfer)
 {
         struct denali_nand_info *denali = mtd_to_denali(mtd);
-        struct pci_dev *pci_dev = denali->dev;
 
         dma_addr_t addr = denali->buf.dma_buf;
         size_t size = denali->mtd.writesize + denali->mtd.oobsize;
 
         uint32_t irq_status = 0;
-        uint32_t irq_mask = INTR_STATUS0__DMA_CMD_COMP |
-                                                INTR_STATUS0__PROGRAM_FAIL;
+        uint32_t irq_mask = INTR_STATUS__DMA_CMD_COMP |
+                                                INTR_STATUS__PROGRAM_FAIL;
 
         /* if it is a raw xfer, we want to disable ecc, and send
          * the spare area.
@@ -1071,7 +1054,7 @@ static void write_page(struct mtd_info *mtd, struct nand_chip *chip,
                         mtd->oobsize);
         }
 
-        pci_dma_sync_single_for_device(pci_dev, addr, size, PCI_DMA_TODEVICE);
+        dma_sync_single_for_device(denali->dev, addr, size, DMA_TO_DEVICE);
 
         clear_interrupts(denali);
         denali_enable_dma(denali, true);
@@ -1082,16 +1065,16 @@ static void write_page(struct mtd_info *mtd, struct nand_chip *chip,
         irq_status = wait_for_irq(denali, irq_mask);
 
         if (irq_status == 0) {
-                dev_err(&denali->dev->dev,
+                dev_err(denali->dev,
                                 "timeout on write_page (type = %d)\n",
                                 raw_xfer);
                 denali->status =
-                        (irq_status & INTR_STATUS0__PROGRAM_FAIL) ?
+                        (irq_status & INTR_STATUS__PROGRAM_FAIL) ?
                         NAND_STATUS_FAIL : PASS;
         }
 
         denali_enable_dma(denali, false);
-        pci_dma_sync_single_for_cpu(pci_dev, addr, size, PCI_DMA_TODEVICE);
+        dma_sync_single_for_cpu(denali->dev, addr, size, DMA_TO_DEVICE);
 }
 
 /* NAND core entry points */
@@ -1139,18 +1122,17 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip,
                             uint8_t *buf, int page)
 {
         struct denali_nand_info *denali = mtd_to_denali(mtd);
-        struct pci_dev *pci_dev = denali->dev;
 
         dma_addr_t addr = denali->buf.dma_buf;
         size_t size = denali->mtd.writesize + denali->mtd.oobsize;
 
         uint32_t irq_status = 0;
-        uint32_t irq_mask = INTR_STATUS0__ECC_TRANSACTION_DONE |
-                            INTR_STATUS0__ECC_ERR;
+        uint32_t irq_mask = INTR_STATUS__ECC_TRANSACTION_DONE |
+                            INTR_STATUS__ECC_ERR;
         bool check_erased_page = false;
 
         if (page != denali->page) {
-                dev_err(&denali->dev->dev, "IN %s: page %d is not"
+                dev_err(denali->dev, "IN %s: page %d is not"
                                 " equal to denali->page %d, investigate!!",
                                 __func__, page, denali->page);
                 BUG();
@@ -1159,7 +1141,7 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip,
         setup_ecc_for_xfer(denali, true, false);
 
         denali_enable_dma(denali, true);
-        pci_dma_sync_single_for_device(pci_dev, addr, size, PCI_DMA_FROMDEVICE);
+        dma_sync_single_for_device(denali->dev, addr, size, DMA_FROM_DEVICE);
 
         clear_interrupts(denali);
         denali_setup_dma(denali, DENALI_READ);
@@ -1167,7 +1149,7 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip,
         /* wait for operation to complete */
         irq_status = wait_for_irq(denali, irq_mask);
 
-        pci_dma_sync_single_for_cpu(pci_dev, addr, size, PCI_DMA_FROMDEVICE);
+        dma_sync_single_for_cpu(denali->dev, addr, size, DMA_FROM_DEVICE);
 
         memcpy(buf, denali->buf.buf, mtd->writesize);
 
@@ -1192,16 +1174,15 @@ static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
                                 uint8_t *buf, int page)
 {
         struct denali_nand_info *denali = mtd_to_denali(mtd);
-        struct pci_dev *pci_dev = denali->dev;
 
         dma_addr_t addr = denali->buf.dma_buf;
         size_t size = denali->mtd.writesize + denali->mtd.oobsize;
 
         uint32_t irq_status = 0;
-        uint32_t irq_mask = INTR_STATUS0__DMA_CMD_COMP;
+        uint32_t irq_mask = INTR_STATUS__DMA_CMD_COMP;
 
         if (page != denali->page) {
-                dev_err(&denali->dev->dev, "IN %s: page %d is not"
+                dev_err(denali->dev, "IN %s: page %d is not"
                                 " equal to denali->page %d, investigate!!",
                                 __func__, page, denali->page);
                 BUG();
@@ -1210,7 +1191,7 @@ static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
         setup_ecc_for_xfer(denali, false, true);
         denali_enable_dma(denali, true);
 
-        pci_dma_sync_single_for_device(pci_dev, addr, size, PCI_DMA_FROMDEVICE);
+        dma_sync_single_for_device(denali->dev, addr, size, DMA_FROM_DEVICE);
 
         clear_interrupts(denali);
         denali_setup_dma(denali, DENALI_READ);
@@ -1218,7 +1199,7 @@ static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
         /* wait for operation to complete */
         irq_status = wait_for_irq(denali, irq_mask);
 
-        pci_dma_sync_single_for_cpu(pci_dev, addr, size, PCI_DMA_FROMDEVICE);
+        dma_sync_single_for_cpu(denali->dev, addr, size, DMA_FROM_DEVICE);
 
         denali_enable_dma(denali, false);
 
@@ -1271,10 +1252,10 @@ static void denali_erase(struct mtd_info *mtd, int page)
         index_addr(denali, (uint32_t)cmd, 0x1);
 
         /* wait for erase to complete or failure to occur */
-        irq_status = wait_for_irq(denali, INTR_STATUS0__ERASE_COMP |
-                                        INTR_STATUS0__ERASE_FAIL);
+        irq_status = wait_for_irq(denali, INTR_STATUS__ERASE_COMP |
+                                        INTR_STATUS__ERASE_FAIL);
 
-        denali->status = (irq_status & INTR_STATUS0__ERASE_FAIL) ?
+        denali->status = (irq_status & INTR_STATUS__ERASE_FAIL) ?
                                                 NAND_STATUS_FAIL : PASS;
 }
 
@@ -1330,7 +1311,7 @@ static int denali_ecc_calculate(struct mtd_info *mtd, const uint8_t *data,
                                 uint8_t *ecc_code)
 {
         struct denali_nand_info *denali = mtd_to_denali(mtd);
-        dev_err(&denali->dev->dev,
+        dev_err(denali->dev,
                         "denali_ecc_calculate called unexpectedly\n");
         BUG();
         return -EIO;
@@ -1340,7 +1321,7 @@ static int denali_ecc_correct(struct mtd_info *mtd, uint8_t *data,
                                 uint8_t *read_ecc, uint8_t *calc_ecc)
 {
         struct denali_nand_info *denali = mtd_to_denali(mtd);
-        dev_err(&denali->dev->dev,
+        dev_err(denali->dev,
                         "denali_ecc_correct called unexpectedly\n");
         BUG();
         return -EIO;
@@ -1349,7 +1330,7 @@ static int denali_ecc_correct(struct mtd_info *mtd, uint8_t *data,
 static void denali_ecc_hwctl(struct mtd_info *mtd, int mode)
 {
         struct denali_nand_info *denali = mtd_to_denali(mtd);
-        dev_err(&denali->dev->dev,
+        dev_err(denali->dev,
                         "denali_ecc_hwctl called unexpectedly\n");
         BUG();
 }
@@ -1375,6 +1356,7 @@ static void denali_hw_init(struct denali_nand_info *denali)
         /* Should set value for these registers when init */
         iowrite32(0, denali->flash_reg + TWO_ROW_ADDR_CYCLES);
         iowrite32(1, denali->flash_reg + ECC_ENABLE);
+        detect_max_banks(denali);
         denali_nand_timing_set(denali);
         denali_irq_init(denali);
 }
@@ -1484,24 +1466,22 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
         }
 
         /* Is 32-bit DMA supported? */
-        ret = pci_set_dma_mask(dev, DMA_BIT_MASK(32));
-
+        ret = dma_set_mask(&dev->dev, DMA_BIT_MASK(32));
         if (ret) {
                 printk(KERN_ERR "Spectra: no usable DMA configuration\n");
                 goto failed_enable_dev;
         }
-        denali->buf.dma_buf =
-                pci_map_single(dev, denali->buf.buf,
-                                                DENALI_BUF_SIZE,
-                                                PCI_DMA_BIDIRECTIONAL);
+        denali->buf.dma_buf = dma_map_single(&dev->dev, denali->buf.buf,
+                                             DENALI_BUF_SIZE,
+                                             DMA_BIDIRECTIONAL);
 
-        if (pci_dma_mapping_error(dev, denali->buf.dma_buf)) {
+        if (dma_mapping_error(&dev->dev, denali->buf.dma_buf)) {
                 dev_err(&dev->dev, "Spectra: failed to map DMA buffer\n");
                 goto failed_enable_dev;
         }
 
         pci_set_master(dev);
-        denali->dev = dev;
+        denali->dev = &dev->dev;
         denali->mtd.dev.parent = &dev->dev;
 
         ret = pci_request_regions(dev, DENALI_NAND_NAME);
@@ -1554,7 +1534,7 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
         /* scan for NAND devices attached to the controller
          * this is the first stage in a two step process to register
          * with the nand subsystem */
-        if (nand_scan_ident(&denali->mtd, LLD_MAX_FLASH_BANKS, NULL)) {
+        if (nand_scan_ident(&denali->mtd, denali->max_banks, NULL)) {
                 ret = -ENXIO;
                 goto failed_req_irq;
         }
@@ -1664,7 +1644,7 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
                 goto failed_req_irq;
         }
 
-        ret = add_mtd_device(&denali->mtd);
+        ret = mtd_device_register(&denali->mtd, NULL, 0);
         if (ret) {
                 dev_err(&dev->dev, "Spectra: Failed to register MTD: %d\n",
                                 ret);
@@ -1681,8 +1661,8 @@ failed_remap_reg:
 failed_req_regions:
         pci_release_regions(dev);
 failed_dma_map:
-        pci_unmap_single(dev, denali->buf.dma_buf, DENALI_BUF_SIZE,
-                                                        PCI_DMA_BIDIRECTIONAL);
+        dma_unmap_single(&dev->dev, denali->buf.dma_buf, DENALI_BUF_SIZE,
+                         DMA_BIDIRECTIONAL);
 failed_enable_dev:
         pci_disable_device(dev);
 failed_alloc_memery:
@@ -1696,7 +1676,7 @@ static void denali_pci_remove(struct pci_dev *dev)
         struct denali_nand_info *denali = pci_get_drvdata(dev);
 
         nand_release(&denali->mtd);
-        del_mtd_device(&denali->mtd);
+        mtd_device_unregister(&denali->mtd);
 
         denali_irq_cleanup(dev->irq, denali);
 
@@ -1704,8 +1684,8 @@ static void denali_pci_remove(struct pci_dev *dev)
         iounmap(denali->flash_mem);
         pci_release_regions(dev);
         pci_disable_device(dev);
-        pci_unmap_single(dev, denali->buf.dma_buf, DENALI_BUF_SIZE,
-                                                        PCI_DMA_BIDIRECTIONAL);
+        dma_unmap_single(&dev->dev, denali->buf.dma_buf, DENALI_BUF_SIZE,
+                         DMA_BIDIRECTIONAL);
         pci_set_drvdata(dev, NULL);
         kfree(denali);
 }
@@ -1721,8 +1701,7 @@ static struct pci_driver denali_pci_driver = {
 
 static int __devinit denali_init(void)
 {
-        printk(KERN_INFO "Spectra MTD driver built on %s @ %s\n",
-                        __DATE__, __TIME__);
+        printk(KERN_INFO "Spectra MTD driver\n");
         return pci_register_driver(&denali_pci_driver);
 }
 
diff --git a/drivers/mtd/nand/denali.h b/drivers/mtd/nand/denali.h
index 3918bcb1561e..fabb9d56b39e 100644
--- a/drivers/mtd/nand/denali.h
+++ b/drivers/mtd/nand/denali.h
@@ -211,185 +211,46 @@
 #define TRANSFER_MODE                           0x400
 #define     TRANSFER_MODE__VALUE                        0x0003
 
-#define INTR_STATUS0                            0x410
-#define     INTR_STATUS0__ECC_TRANSACTION_DONE          0x0001
-#define     INTR_STATUS0__ECC_ERR                       0x0002
-#define     INTR_STATUS0__DMA_CMD_COMP                  0x0004
-#define     INTR_STATUS0__TIME_OUT                      0x0008
-#define     INTR_STATUS0__PROGRAM_FAIL                  0x0010
-#define     INTR_STATUS0__ERASE_FAIL                    0x0020
-#define     INTR_STATUS0__LOAD_COMP                     0x0040
-#define     INTR_STATUS0__PROGRAM_COMP                  0x0080
-#define     INTR_STATUS0__ERASE_COMP                    0x0100
-#define     INTR_STATUS0__PIPE_CPYBCK_CMD_COMP          0x0200
-#define     INTR_STATUS0__LOCKED_BLK                    0x0400
-#define     INTR_STATUS0__UNSUP_CMD                     0x0800
-#define     INTR_STATUS0__INT_ACT                       0x1000
-#define     INTR_STATUS0__RST_COMP                      0x2000
-#define     INTR_STATUS0__PIPE_CMD_ERR                  0x4000
-#define     INTR_STATUS0__PAGE_XFER_INC                 0x8000
-
-#define INTR_EN0                                        0x420
-#define     INTR_EN0__ECC_TRANSACTION_DONE              0x0001
-#define     INTR_EN0__ECC_ERR                           0x0002
-#define     INTR_EN0__DMA_CMD_COMP                      0x0004
-#define     INTR_EN0__TIME_OUT                          0x0008
-#define     INTR_EN0__PROGRAM_FAIL                      0x0010
-#define     INTR_EN0__ERASE_FAIL                        0x0020
-#define     INTR_EN0__LOAD_COMP                         0x0040
-#define     INTR_EN0__PROGRAM_COMP                      0x0080
-#define     INTR_EN0__ERASE_COMP                        0x0100
-#define     INTR_EN0__PIPE_CPYBCK_CMD_COMP              0x0200
-#define     INTR_EN0__LOCKED_BLK                        0x0400
-#define     INTR_EN0__UNSUP_CMD                         0x0800
-#define     INTR_EN0__INT_ACT                           0x1000
-#define     INTR_EN0__RST_COMP                          0x2000
-#define     INTR_EN0__PIPE_CMD_ERR                      0x4000
-#define     INTR_EN0__PAGE_XFER_INC                     0x8000
-
-#define PAGE_CNT0                               0x430
-#define     PAGE_CNT0__VALUE                            0x00ff
-
-#define ERR_PAGE_ADDR0                          0x440
-#define     ERR_PAGE_ADDR0__VALUE                       0xffff
-
-#define ERR_BLOCK_ADDR0                         0x450
-#define     ERR_BLOCK_ADDR0__VALUE                      0xffff
-
-#define INTR_STATUS1                            0x460
-#define     INTR_STATUS1__ECC_TRANSACTION_DONE          0x0001
-#define     INTR_STATUS1__ECC_ERR                       0x0002
-#define     INTR_STATUS1__DMA_CMD_COMP                  0x0004
-#define     INTR_STATUS1__TIME_OUT                      0x0008
-#define     INTR_STATUS1__PROGRAM_FAIL                  0x0010
-#define     INTR_STATUS1__ERASE_FAIL                    0x0020
-#define     INTR_STATUS1__LOAD_COMP                     0x0040
-#define     INTR_STATUS1__PROGRAM_COMP                  0x0080
-#define     INTR_STATUS1__ERASE_COMP                    0x0100
-#define     INTR_STATUS1__PIPE_CPYBCK_CMD_COMP          0x0200
-#define     INTR_STATUS1__LOCKED_BLK                    0x0400
-#define     INTR_STATUS1__UNSUP_CMD                     0x0800
-#define     INTR_STATUS1__INT_ACT                       0x1000
-#define     INTR_STATUS1__RST_COMP                      0x2000
-#define     INTR_STATUS1__PIPE_CMD_ERR                  0x4000
-#define     INTR_STATUS1__PAGE_XFER_INC                 0x8000
-
-#define INTR_EN1                                        0x470
-#define     INTR_EN1__ECC_TRANSACTION_DONE              0x0001
-#define     INTR_EN1__ECC_ERR                           0x0002
-#define     INTR_EN1__DMA_CMD_COMP                      0x0004
-#define     INTR_EN1__TIME_OUT                          0x0008
-#define     INTR_EN1__PROGRAM_FAIL                      0x0010
-#define     INTR_EN1__ERASE_FAIL                        0x0020
-#define     INTR_EN1__LOAD_COMP                         0x0040
-#define     INTR_EN1__PROGRAM_COMP                      0x0080
-#define     INTR_EN1__ERASE_COMP                        0x0100
-#define     INTR_EN1__PIPE_CPYBCK_CMD_COMP              0x0200
-#define     INTR_EN1__LOCKED_BLK                        0x0400
-#define     INTR_EN1__UNSUP_CMD                         0x0800
-#define     INTR_EN1__INT_ACT                           0x1000
-#define     INTR_EN1__RST_COMP                          0x2000
-#define     INTR_EN1__PIPE_CMD_ERR                      0x4000
-#define     INTR_EN1__PAGE_XFER_INC                     0x8000
-
-#define PAGE_CNT1                               0x480
-#define     PAGE_CNT1__VALUE                            0x00ff
-
-#define ERR_PAGE_ADDR1                          0x490
-#define     ERR_PAGE_ADDR1__VALUE                       0xffff
-
-#define ERR_BLOCK_ADDR1                         0x4a0
-#define     ERR_BLOCK_ADDR1__VALUE                      0xffff
-
-#define INTR_STATUS2                            0x4b0
-#define     INTR_STATUS2__ECC_TRANSACTION_DONE          0x0001
-#define     INTR_STATUS2__ECC_ERR                       0x0002
-#define     INTR_STATUS2__DMA_CMD_COMP                  0x0004
-#define     INTR_STATUS2__TIME_OUT                      0x0008
-#define     INTR_STATUS2__PROGRAM_FAIL                  0x0010
-#define     INTR_STATUS2__ERASE_FAIL                    0x0020
-#define     INTR_STATUS2__LOAD_COMP                     0x0040
-#define     INTR_STATUS2__PROGRAM_COMP                  0x0080
-#define     INTR_STATUS2__ERASE_COMP                    0x0100
-#define     INTR_STATUS2__PIPE_CPYBCK_CMD_COMP          0x0200
-#define     INTR_STATUS2__LOCKED_BLK                    0x0400
-#define     INTR_STATUS2__UNSUP_CMD                     0x0800
-#define     INTR_STATUS2__INT_ACT                       0x1000
-#define     INTR_STATUS2__RST_COMP                      0x2000
-#define     INTR_STATUS2__PIPE_CMD_ERR                  0x4000
-#define     INTR_STATUS2__PAGE_XFER_INC                 0x8000
-
-#define INTR_EN2                                        0x4c0
-#define     INTR_EN2__ECC_TRANSACTION_DONE              0x0001
-#define     INTR_EN2__ECC_ERR                           0x0002
-#define     INTR_EN2__DMA_CMD_COMP                      0x0004
-#define     INTR_EN2__TIME_OUT                          0x0008
-#define     INTR_EN2__PROGRAM_FAIL                      0x0010
-#define     INTR_EN2__ERASE_FAIL                        0x0020
-#define     INTR_EN2__LOAD_COMP                         0x0040
-#define     INTR_EN2__PROGRAM_COMP                      0x0080
-#define     INTR_EN2__ERASE_COMP                        0x0100
-#define     INTR_EN2__PIPE_CPYBCK_CMD_COMP              0x0200
-#define     INTR_EN2__LOCKED_BLK                        0x0400
-#define     INTR_EN2__UNSUP_CMD                         0x0800
-#define     INTR_EN2__INT_ACT                           0x1000
-#define     INTR_EN2__RST_COMP                          0x2000
-#define     INTR_EN2__PIPE_CMD_ERR                      0x4000
-#define     INTR_EN2__PAGE_XFER_INC                     0x8000
-
-#define PAGE_CNT2                               0x4d0
-#define     PAGE_CNT2__VALUE                            0x00ff
-
-#define ERR_PAGE_ADDR2                          0x4e0
-#define     ERR_PAGE_ADDR2__VALUE                       0xffff
-
-#define ERR_BLOCK_ADDR2                         0x4f0
-#define     ERR_BLOCK_ADDR2__VALUE                      0xffff
-
-#define INTR_STATUS3                            0x500
-#define     INTR_STATUS3__ECC_TRANSACTION_DONE          0x0001
-#define     INTR_STATUS3__ECC_ERR                       0x0002
-#define     INTR_STATUS3__DMA_CMD_COMP                  0x0004
-#define     INTR_STATUS3__TIME_OUT                      0x0008
-#define     INTR_STATUS3__PROGRAM_FAIL                  0x0010
-#define     INTR_STATUS3__ERASE_FAIL                    0x0020
-#define     INTR_STATUS3__LOAD_COMP                     0x0040
-#define     INTR_STATUS3__PROGRAM_COMP                  0x0080
-#define     INTR_STATUS3__ERASE_COMP                    0x0100
-#define     INTR_STATUS3__PIPE_CPYBCK_CMD_COMP          0x0200
-#define     INTR_STATUS3__LOCKED_BLK                    0x0400
-#define     INTR_STATUS3__UNSUP_CMD                     0x0800
-#define     INTR_STATUS3__INT_ACT                       0x1000
-#define     INTR_STATUS3__RST_COMP                      0x2000
-#define     INTR_STATUS3__PIPE_CMD_ERR                  0x4000
-#define     INTR_STATUS3__PAGE_XFER_INC                 0x8000
-
-#define INTR_EN3                                        0x510
-#define     INTR_EN3__ECC_TRANSACTION_DONE              0x0001
-#define     INTR_EN3__ECC_ERR                           0x0002
-#define     INTR_EN3__DMA_CMD_COMP                      0x0004
-#define     INTR_EN3__TIME_OUT                          0x0008
-#define     INTR_EN3__PROGRAM_FAIL                      0x0010
-#define     INTR_EN3__ERASE_FAIL                        0x0020
-#define     INTR_EN3__LOAD_COMP                         0x0040
-#define     INTR_EN3__PROGRAM_COMP                      0x0080
-#define     INTR_EN3__ERASE_COMP                        0x0100
-#define     INTR_EN3__PIPE_CPYBCK_CMD_COMP              0x0200
-#define     INTR_EN3__LOCKED_BLK                        0x0400
-#define     INTR_EN3__UNSUP_CMD                         0x0800
-#define     INTR_EN3__INT_ACT                           0x1000
-#define     INTR_EN3__RST_COMP                          0x2000
-#define     INTR_EN3__PIPE_CMD_ERR                      0x4000
-#define     INTR_EN3__PAGE_XFER_INC                     0x8000
-
-#define PAGE_CNT3                               0x520
-#define     PAGE_CNT3__VALUE                            0x00ff
-
-#define ERR_PAGE_ADDR3                          0x530
-#define     ERR_PAGE_ADDR3__VALUE                       0xffff
-
-#define ERR_BLOCK_ADDR3                         0x540
-#define     ERR_BLOCK_ADDR3__VALUE                      0xffff
+#define INTR_STATUS(__bank)     (0x410 + ((__bank) * 0x50))
+#define INTR_EN(__bank)         (0x420 + ((__bank) * 0x50))
+
+#define     INTR_STATUS__ECC_TRANSACTION_DONE           0x0001
+#define     INTR_STATUS__ECC_ERR                        0x0002
+#define     INTR_STATUS__DMA_CMD_COMP                   0x0004
+#define     INTR_STATUS__TIME_OUT                       0x0008
+#define     INTR_STATUS__PROGRAM_FAIL                   0x0010
+#define     INTR_STATUS__ERASE_FAIL                     0x0020
+#define     INTR_STATUS__LOAD_COMP                      0x0040
+#define     INTR_STATUS__PROGRAM_COMP                   0x0080
+#define     INTR_STATUS__ERASE_COMP                     0x0100
+#define     INTR_STATUS__PIPE_CPYBCK_CMD_COMP           0x0200
+#define     INTR_STATUS__LOCKED_BLK                     0x0400
+#define     INTR_STATUS__UNSUP_CMD                      0x0800
+#define     INTR_STATUS__INT_ACT                        0x1000
+#define     INTR_STATUS__RST_COMP                       0x2000
+#define     INTR_STATUS__PIPE_CMD_ERR                   0x4000
+#define     INTR_STATUS__PAGE_XFER_INC                  0x8000
+
+#define     INTR_EN__ECC_TRANSACTION_DONE               0x0001
+#define     INTR_EN__ECC_ERR                            0x0002
+#define     INTR_EN__DMA_CMD_COMP                       0x0004
+#define     INTR_EN__TIME_OUT                           0x0008
+#define     INTR_EN__PROGRAM_FAIL                       0x0010
+#define     INTR_EN__ERASE_FAIL                         0x0020
+#define     INTR_EN__LOAD_COMP                          0x0040
+#define     INTR_EN__PROGRAM_COMP                       0x0080
+#define     INTR_EN__ERASE_COMP                         0x0100
+#define     INTR_EN__PIPE_CPYBCK_CMD_COMP               0x0200
+#define     INTR_EN__LOCKED_BLK                         0x0400
+#define     INTR_EN__UNSUP_CMD                          0x0800
+#define     INTR_EN__INT_ACT                            0x1000
+#define     INTR_EN__RST_COMP                           0x2000
+#define     INTR_EN__PIPE_CMD_ERR                       0x4000
+#define     INTR_EN__PAGE_XFER_INC                      0x8000
+
+#define PAGE_CNT(__bank)        (0x430 + ((__bank) * 0x50))
+#define ERR_PAGE_ADDR(__bank)   (0x440 + ((__bank) * 0x50))
+#define ERR_BLOCK_ADDR(__bank)  (0x450 + ((__bank) * 0x50))
 
 #define DATA_INTR                               0x550
 #define     DATA_INTR__WRITE_SPACE_AV                   0x0001
@@ -484,141 +345,23 @@
 #define     PTN_INTR_EN__ACCESS_ERROR_BANK3             0x0010
 #define     PTN_INTR_EN__REG_ACCESS_ERROR               0x0020
 
-#define PERM_SRC_ID_0                           0x830
-#define     PERM_SRC_ID_0__SRCID                        0x00ff
-#define     PERM_SRC_ID_0__DIRECT_ACCESS_ACTIVE         0x0800
-#define     PERM_SRC_ID_0__WRITE_ACTIVE                 0x2000
-#define     PERM_SRC_ID_0__READ_ACTIVE                  0x4000
-#define     PERM_SRC_ID_0__PARTITION_VALID              0x8000
-
-#define MIN_BLK_ADDR_0                          0x840
-#define     MIN_BLK_ADDR_0__VALUE                       0xffff
-
-#define MAX_BLK_ADDR_0                          0x850
-#define     MAX_BLK_ADDR_0__VALUE                       0xffff
-
-#define MIN_MAX_BANK_0                          0x860
-#define     MIN_MAX_BANK_0__MIN_VALUE                   0x0003
-#define     MIN_MAX_BANK_0__MAX_VALUE                   0x000c
-
-#define PERM_SRC_ID_1                           0x870
-#define     PERM_SRC_ID_1__SRCID                        0x00ff
-#define     PERM_SRC_ID_1__DIRECT_ACCESS_ACTIVE         0x0800
-#define     PERM_SRC_ID_1__WRITE_ACTIVE                 0x2000
-#define     PERM_SRC_ID_1__READ_ACTIVE                  0x4000
-#define     PERM_SRC_ID_1__PARTITION_VALID              0x8000
-
-#define MIN_BLK_ADDR_1                          0x880
-#define     MIN_BLK_ADDR_1__VALUE                       0xffff
-
-#define MAX_BLK_ADDR_1                          0x890
-#define     MAX_BLK_ADDR_1__VALUE                       0xffff
-
-#define MIN_MAX_BANK_1                          0x8a0
-#define     MIN_MAX_BANK_1__MIN_VALUE                   0x0003
-#define     MIN_MAX_BANK_1__MAX_VALUE                   0x000c
-
-#define PERM_SRC_ID_2                           0x8b0
-#define     PERM_SRC_ID_2__SRCID                        0x00ff
-#define     PERM_SRC_ID_2__DIRECT_ACCESS_ACTIVE         0x0800
-#define     PERM_SRC_ID_2__WRITE_ACTIVE                 0x2000
-#define     PERM_SRC_ID_2__READ_ACTIVE                  0x4000
-#define     PERM_SRC_ID_2__PARTITION_VALID              0x8000
-
-#define MIN_BLK_ADDR_2                          0x8c0
-#define     MIN_BLK_ADDR_2__VALUE                       0xffff
-
-#define MAX_BLK_ADDR_2                          0x8d0
-#define     MAX_BLK_ADDR_2__VALUE                       0xffff
-
-#define MIN_MAX_BANK_2                          0x8e0
-#define     MIN_MAX_BANK_2__MIN_VALUE                   0x0003
-#define     MIN_MAX_BANK_2__MAX_VALUE                   0x000c
-
-#define PERM_SRC_ID_3                           0x8f0
-#define     PERM_SRC_ID_3__SRCID                        0x00ff
-#define     PERM_SRC_ID_3__DIRECT_ACCESS_ACTIVE         0x0800
-#define     PERM_SRC_ID_3__WRITE_ACTIVE                 0x2000
-#define     PERM_SRC_ID_3__READ_ACTIVE                  0x4000
-#define     PERM_SRC_ID_3__PARTITION_VALID              0x8000
-
-#define MIN_BLK_ADDR_3                          0x900
-#define     MIN_BLK_ADDR_3__VALUE                       0xffff
-
-#define MAX_BLK_ADDR_3                          0x910
-#define     MAX_BLK_ADDR_3__VALUE                       0xffff
-
-#define MIN_MAX_BANK_3                          0x920
-#define     MIN_MAX_BANK_3__MIN_VALUE                   0x0003
-#define     MIN_MAX_BANK_3__MAX_VALUE                   0x000c
-
-#define PERM_SRC_ID_4                           0x930
-#define     PERM_SRC_ID_4__SRCID                        0x00ff
-#define     PERM_SRC_ID_4__DIRECT_ACCESS_ACTIVE         0x0800
-#define     PERM_SRC_ID_4__WRITE_ACTIVE                 0x2000
-#define     PERM_SRC_ID_4__READ_ACTIVE                  0x4000
-#define     PERM_SRC_ID_4__PARTITION_VALID              0x8000
-
-#define MIN_BLK_ADDR_4                          0x940
-#define     MIN_BLK_ADDR_4__VALUE                       0xffff
-
-#define MAX_BLK_ADDR_4                          0x950
-#define     MAX_BLK_ADDR_4__VALUE                       0xffff
-
-#define MIN_MAX_BANK_4                          0x960
-#define     MIN_MAX_BANK_4__MIN_VALUE                   0x0003
-#define     MIN_MAX_BANK_4__MAX_VALUE                   0x000c
-
-#define PERM_SRC_ID_5                           0x970
-#define     PERM_SRC_ID_5__SRCID                        0x00ff
-#define     PERM_SRC_ID_5__DIRECT_ACCESS_ACTIVE         0x0800
-#define     PERM_SRC_ID_5__WRITE_ACTIVE                 0x2000
-#define     PERM_SRC_ID_5__READ_ACTIVE                  0x4000
-#define     PERM_SRC_ID_5__PARTITION_VALID              0x8000
-
-#define MIN_BLK_ADDR_5                          0x980
-#define     MIN_BLK_ADDR_5__VALUE                       0xffff
-
-#define MAX_BLK_ADDR_5                          0x990
-#define     MAX_BLK_ADDR_5__VALUE                       0xffff
-
-#define MIN_MAX_BANK_5                          0x9a0
-#define     MIN_MAX_BANK_5__MIN_VALUE                   0x0003
-#define     MIN_MAX_BANK_5__MAX_VALUE                   0x000c
-
-#define PERM_SRC_ID_6                           0x9b0
-#define     PERM_SRC_ID_6__SRCID                        0x00ff
-#define     PERM_SRC_ID_6__DIRECT_ACCESS_ACTIVE         0x0800
-#define     PERM_SRC_ID_6__WRITE_ACTIVE                 0x2000
-#define     PERM_SRC_ID_6__READ_ACTIVE                  0x4000
-#define     PERM_SRC_ID_6__PARTITION_VALID              0x8000
-
-#define MIN_BLK_ADDR_6                          0x9c0
-#define     MIN_BLK_ADDR_6__VALUE                       0xffff
-
-#define MAX_BLK_ADDR_6                          0x9d0
-#define     MAX_BLK_ADDR_6__VALUE                       0xffff
-
-#define MIN_MAX_BANK_6                          0x9e0
-#define     MIN_MAX_BANK_6__MIN_VALUE                   0x0003
-#define     MIN_MAX_BANK_6__MAX_VALUE                   0x000c
-
-#define PERM_SRC_ID_7                           0x9f0
-#define     PERM_SRC_ID_7__SRCID                        0x00ff
-#define     PERM_SRC_ID_7__DIRECT_ACCESS_ACTIVE         0x0800
-#define     PERM_SRC_ID_7__WRITE_ACTIVE                 0x2000
-#define     PERM_SRC_ID_7__READ_ACTIVE                  0x4000
-#define     PERM_SRC_ID_7__PARTITION_VALID              0x8000
+#define PERM_SRC_ID(__bank)     (0x830 + ((__bank) * 0x40))
+#define     PERM_SRC_ID__SRCID                          0x00ff
+#define     PERM_SRC_ID__DIRECT_ACCESS_ACTIVE           0x0800
+#define     PERM_SRC_ID__WRITE_ACTIVE                   0x2000
+#define     PERM_SRC_ID__READ_ACTIVE                    0x4000
+#define     PERM_SRC_ID__PARTITION_VALID                0x8000
+
+#define MIN_BLK_ADDR(__bank)    (0x840 + ((__bank) * 0x40))
+#define     MIN_BLK_ADDR__VALUE                         0xffff
+
+#define MAX_BLK_ADDR(__bank)    (0x850 + ((__bank) * 0x40))
+#define     MAX_BLK_ADDR__VALUE                         0xffff
+
+#define MIN_MAX_BANK(__bank)    (0x860 + ((__bank) * 0x40))
+#define     MIN_MAX_BANK__MIN_VALUE                     0x0003
+#define     MIN_MAX_BANK__MAX_VALUE                     0x000c
 
-#define MIN_BLK_ADDR_7                          0xa00
-#define     MIN_BLK_ADDR_7__VALUE                       0xffff
-
-#define MAX_BLK_ADDR_7                          0xa10
-#define     MAX_BLK_ADDR_7__VALUE                       0xffff
-
-#define MIN_MAX_BANK_7                          0xa20
-#define     MIN_MAX_BANK_7__MIN_VALUE                   0x0003
-#define     MIN_MAX_BANK_7__MAX_VALUE                   0x000c
 
 /* ffsdefs.h */
 #define CLEAR 0                 /*use this to clear a field instead of "fail"*/
@@ -711,7 +454,6 @@
 #define READ_WRITE_ENABLE_HIGH_COUNT    22
 
 #define ECC_SECTOR_SIZE     512
-#define LLD_MAX_FLASH_BANKS     4
 
 #define DENALI_BUF_SIZE         (NAND_MAX_PAGESIZE + NAND_MAX_OOBSIZE)
 
@@ -732,7 +474,7 @@ struct denali_nand_info {
         int status;
         int platform;
         struct nand_buf buf;
-        struct pci_dev *dev;
+        struct device *dev;
         int total_used_banks;
         uint32_t block;  /* stored for future use */
         uint16_t page;
@@ -751,6 +493,7 @@ struct denali_nand_info {
         uint32_t totalblks;
         uint32_t blksperchip;
         uint32_t bbtskipbytes;
+        uint32_t max_banks;
 };
 
 #endif /*_LLD_NAND_*/
diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c
index 657b9f4b6f9b..7837728d02ff 100644
--- a/drivers/mtd/nand/diskonchip.c
+++ b/drivers/mtd/nand/diskonchip.c
@@ -1360,11 +1360,9 @@ static int __init nftl_scan_bbt(struct mtd_info *mtd)
            At least as nand_bbt.c is currently written. */
         if ((ret = nand_scan_bbt(mtd, NULL)))
                 return ret;
-        add_mtd_device(mtd);
-#ifdef CONFIG_MTD_PARTITIONS
+        mtd_device_register(mtd, NULL, 0);
         if (!no_autopart)
-                add_mtd_partitions(mtd, parts, numparts);
-#endif
+                mtd_device_register(mtd, parts, numparts);
         return 0;
 }
 
@@ -1419,11 +1417,9 @@ static int __init inftl_scan_bbt(struct mtd_info *mtd)
            autopartitioning, but I want to give it more thought. */
         if (!numparts)
                 return -EIO;
-        add_mtd_device(mtd);
-#ifdef CONFIG_MTD_PARTITIONS
+        mtd_device_register(mtd, NULL, 0);
         if (!no_autopart)
-                add_mtd_partitions(mtd, parts, numparts);
-#endif
+                mtd_device_register(mtd, parts, numparts);
         return 0;
 }
 
@@ -1678,9 +1674,9 @@ static int __init doc_probe(unsigned long physadr)
                 /* DBB note: i believe nand_release is necessary here, as
                    buffers may have been allocated in nand_base.  Check with
                    Thomas. FIX ME! */
-                /* nand_release will call del_mtd_device, but we haven't yet
-                   added it.  This is handled without incident by
-                   del_mtd_device, as far as I can tell. */
+                /* nand_release will call mtd_device_unregister, but we
+                   haven't yet added it.  This is handled without incident by
+                   mtd_device_unregister, as far as I can tell. */
                 nand_release(mtd);
                 kfree(mtd);
                 goto fail;
diff --git a/drivers/mtd/nand/edb7312.c b/drivers/mtd/nand/edb7312.c
index 86366bfba9f8..8400d0f6dada 100644
--- a/drivers/mtd/nand/edb7312.c
+++ b/drivers/mtd/nand/edb7312.c
@@ -55,7 +55,6 @@ static unsigned long ep7312_fio_pbase = EP7312_FIO_PBASE;
 static void __iomem *ep7312_pxdr = (void __iomem *)EP7312_PXDR;
 static void __iomem *ep7312_pxddr = (void __iomem *)EP7312_PXDDR;
 
-#ifdef CONFIG_MTD_PARTITIONS
 /*
  * Define static partitions for flash device
  */
@@ -67,8 +66,6 @@ static struct mtd_partition partition_info[] = {
 
 #define NUM_PARTITIONS 1
 
-#endif
-
 /*
  *      hardware specific access to control-lines
  *
@@ -101,9 +98,7 @@ static int ep7312_device_ready(struct mtd_info *mtd)
         return 1;
 }
 
-#ifdef CONFIG_MTD_PARTITIONS
 const char *part_probes[] = { "cmdlinepart", NULL };
-#endif
 
 /*
  * Main initialization routine
@@ -162,14 +157,12 @@ static int __init ep7312_init(void)
                 kfree(ep7312_mtd);
                 return -ENXIO;
         }
-#ifdef CONFIG_MTD_PARTITIONS
         ep7312_mtd->name = "edb7312-nand";
         mtd_parts_nb = parse_mtd_partitions(ep7312_mtd, part_probes, &mtd_parts, 0);
         if (mtd_parts_nb > 0)
                 part_type = "command line";
         else
                 mtd_parts_nb = 0;
-#endif
         if (mtd_parts_nb == 0) {
                 mtd_parts = partition_info;
                 mtd_parts_nb = NUM_PARTITIONS;
@@ -178,7 +171,7 @@ static int __init ep7312_init(void)
 
         /* Register the partitions */
         printk(KERN_NOTICE "Using %s partition definition\n", part_type);
-        add_mtd_partitions(ep7312_mtd, mtd_parts, mtd_parts_nb);
+        mtd_device_register(ep7312_mtd, mtd_parts, mtd_parts_nb);
 
         /* Return happy */
         return 0;
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index 537e380b8dcb..0bb254c7d2b1 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -841,12 +841,9 @@ static int __devinit fsl_elbc_nand_probe(struct platform_device *pdev)
         struct fsl_elbc_mtd *priv;
         struct resource res;
         struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl;
-
-#ifdef CONFIG_MTD_PARTITIONS
         static const char *part_probe_types[]
                 = { "cmdlinepart", "RedBoot", NULL };
         struct mtd_partition *parts;
-#endif
         int ret;
         int bank;
         struct device *dev;
@@ -935,26 +932,19 @@ static int __devinit fsl_elbc_nand_probe(struct platform_device *pdev)
         if (ret)
                 goto err;
 
-#ifdef CONFIG_MTD_PARTITIONS
         /* First look for RedBoot table or partitions on the command
          * line, these take precedence over device tree information */
         ret = parse_mtd_partitions(&priv->mtd, part_probe_types, &parts, 0);
         if (ret < 0)
                 goto err;
 
-#ifdef CONFIG_MTD_OF_PARTS
         if (ret == 0) {
                 ret = of_mtd_parse_partitions(priv->dev, node, &parts);
                 if (ret < 0)
                         goto err;
         }
-#endif
 
-        if (ret > 0)
-                add_mtd_partitions(&priv->mtd, parts, ret);
-        else
-#endif
-                add_mtd_device(&priv->mtd);
+        mtd_device_register(&priv->mtd, parts, ret);
 
         printk(KERN_INFO "eLBC NAND device at 0x%llx, bank %d\n",
                (unsigned long long)res.start, priv->bank);
diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
index 073ee026a17c..23752fd5bc59 100644
--- a/drivers/mtd/nand/fsl_upm.c
+++ b/drivers/mtd/nand/fsl_upm.c
@@ -33,10 +33,7 @@ struct fsl_upm_nand {
         struct mtd_info mtd;
         struct nand_chip chip;
         int last_ctrl;
-#ifdef CONFIG_MTD_PARTITIONS
         struct mtd_partition *parts;
-#endif
-
         struct fsl_upm upm;
         uint8_t upm_addr_offset;
         uint8_t upm_cmd_offset;
@@ -161,9 +158,7 @@ static int __devinit fun_chip_init(struct fsl_upm_nand *fun,
 {
         int ret;
         struct device_node *flash_np;
-#ifdef CONFIG_MTD_PARTITIONS
         static const char *part_types[] = { "cmdlinepart", NULL, };
-#endif
 
         fun->chip.IO_ADDR_R = fun->io_base;
         fun->chip.IO_ADDR_W = fun->io_base;
@@ -197,7 +192,6 @@ static int __devinit fun_chip_init(struct fsl_upm_nand *fun,
         if (ret)
                 goto err;
 
-#ifdef CONFIG_MTD_PARTITIONS
         ret = parse_mtd_partitions(&fun->mtd, part_types, &fun->parts, 0);
 
 #ifdef CONFIG_MTD_OF_PARTS
@@ -207,11 +201,7 @@ static int __devinit fun_chip_init(struct fsl_upm_nand *fun,
                         goto err;
         }
 #endif
-        if (ret > 0)
-                ret = add_mtd_partitions(&fun->mtd, fun->parts, ret);
-        else
-#endif
-                ret = add_mtd_device(&fun->mtd);
+        ret = mtd_device_register(&fun->mtd, fun->parts, ret);
 err:
         of_node_put(flash_np);
         return ret;
diff --git a/drivers/mtd/nand/fsmc_nand.c b/drivers/mtd/nand/fsmc_nand.c
index 0d45ef3883e8..e9b275ac381c 100644
--- a/drivers/mtd/nand/fsmc_nand.c
+++ b/drivers/mtd/nand/fsmc_nand.c
@@ -120,8 +120,6 @@ static struct fsmc_eccplace fsmc_ecc4_sp_place = {
         }
 };
 
-
-#ifdef CONFIG_MTD_PARTITIONS
 /*
  * Default partition tables to be used if the partition information not
  * provided through platform data.
@@ -182,7 +180,6 @@ static struct mtd_partition partition_info_128KB_blk[] = {
 #ifdef CONFIG_MTD_CMDLINE_PARTS
 const char *part_probes[] = { "cmdlinepart", NULL };
 #endif
-#endif
 
 /**
  * struct fsmc_nand_data - structure for FSMC NAND device state
@@ -719,7 +716,6 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
          * platform data,
          * default partition information present in driver.
          */
-#ifdef CONFIG_MTD_PARTITIONS
 #ifdef CONFIG_MTD_CMDLINE_PARTS
         /*
          * Check if partition info passed via command line
@@ -777,19 +773,10 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
         }
 #endif
 
-        if (host->partitions) {
-                ret = add_mtd_partitions(&host->mtd, host->partitions,
-                                host->nr_partitions);
-                if (ret)
-                        goto err_probe;
-        }
-#else
-        dev_info(&pdev->dev, "Registering %s as whole device\n", mtd->name);
-        if (!add_mtd_device(mtd)) {
-                ret = -ENXIO;
+        ret = mtd_device_register(&host->mtd, host->partitions,
+                                  host->nr_partitions);
+        if (ret)
                 goto err_probe;
-        }
-#endif
 
         platform_set_drvdata(pdev, host);
         dev_info(&pdev->dev, "FSMC NAND driver registration successful\n");
@@ -835,11 +822,7 @@ static int fsmc_nand_remove(struct platform_device *pdev)
         platform_set_drvdata(pdev, NULL);
 
         if (host) {
-#ifdef CONFIG_MTD_PARTITIONS
-                del_mtd_partitions(&host->mtd);
-#else
-                del_mtd_device(&host->mtd);
-#endif
+                mtd_device_unregister(&host->mtd);
                 clk_disable(host->clk);
                 clk_put(host->clk);
 
diff --git a/drivers/mtd/nand/gpio.c b/drivers/mtd/nand/gpio.c
index 0cde618bcc1e..2c2060b2800e 100644
--- a/drivers/mtd/nand/gpio.c
+++ b/drivers/mtd/nand/gpio.c
@@ -316,8 +316,8 @@ static int __devinit gpio_nand_probe(struct platform_device *dev)
                 gpiomtd->plat.adjust_parts(&gpiomtd->plat,
                                            gpiomtd->mtd_info.size);
 
-        add_mtd_partitions(&gpiomtd->mtd_info, gpiomtd->plat.parts,
-                           gpiomtd->plat.num_parts);
+        mtd_device_register(&gpiomtd->mtd_info, gpiomtd->plat.parts,
+                            gpiomtd->plat.num_parts);
         platform_set_drvdata(dev, gpiomtd);
 
         return 0;
diff --git a/drivers/mtd/nand/h1910.c b/drivers/mtd/nand/h1910.c
index f8ce79b446ed..02a03e67109c 100644
--- a/drivers/mtd/nand/h1910.c
+++ b/drivers/mtd/nand/h1910.c
@@ -38,7 +38,6 @@ static struct mtd_info *h1910_nand_mtd = NULL;
  * Module stuff
  */
 
-#ifdef CONFIG_MTD_PARTITIONS
 /*
  * Define static partitions for flash device
  */
@@ -50,8 +49,6 @@ static struct mtd_partition partition_info[] = {
 
 #define NUM_PARTITIONS 1
 
-#endif
-
 /*
  *      hardware specific access to control-lines
  *
@@ -154,7 +151,7 @@ static int __init h1910_init(void)
 
         /* Register the partitions */
         printk(KERN_NOTICE "Using %s partition definition\n", part_type);
-        add_mtd_partitions(h1910_nand_mtd, mtd_parts, mtd_parts_nb);
+        mtd_device_register(h1910_nand_mtd, mtd_parts, mtd_parts_nb);
 
         /* Return happy */
         return 0;
diff --git a/drivers/mtd/nand/jz4740_nand.c b/drivers/mtd/nand/jz4740_nand.c
index cea38a5d4ac5..6e813daed068 100644
--- a/drivers/mtd/nand/jz4740_nand.c
+++ b/drivers/mtd/nand/jz4740_nand.c
@@ -299,10 +299,8 @@ static int __devinit jz_nand_probe(struct platform_device *pdev)
         struct nand_chip *chip;
         struct mtd_info *mtd;
         struct jz_nand_platform_data *pdata = pdev->dev.platform_data;
-#ifdef CONFIG_MTD_PARTITIONS
         struct mtd_partition *partition_info;
         int num_partitions = 0;
-#endif
 
         nand = kzalloc(sizeof(*nand), GFP_KERNEL);
         if (!nand) {
@@ -375,7 +373,6 @@ static int __devinit jz_nand_probe(struct platform_device *pdev)
                 goto err_gpio_free;
         }
 
-#ifdef CONFIG_MTD_PARTITIONS
 #ifdef CONFIG_MTD_CMDLINE_PARTS
         num_partitions = parse_mtd_partitions(mtd, part_probes,
                                                 &partition_info, 0);
@@ -384,12 +381,7 @@ static int __devinit jz_nand_probe(struct platform_device *pdev)
                 num_partitions = pdata->num_partitions;
                 partition_info = pdata->partitions;
         }
-
-        if (num_partitions > 0)
-                ret = add_mtd_partitions(mtd, partition_info, num_partitions);
-        else
-#endif
-        ret = add_mtd_device(mtd);
+        ret = mtd_device_register(mtd, partition_info, num_partitions);
 
         if (ret) {
                 dev_err(&pdev->dev, "Failed to add mtd device\n");
diff --git a/drivers/mtd/nand/mpc5121_nfc.c b/drivers/mtd/nand/mpc5121_nfc.c
index 0b81b5b499d1..2f7c930872f9 100644
--- a/drivers/mtd/nand/mpc5121_nfc.c
+++ b/drivers/mtd/nand/mpc5121_nfc.c
@@ -131,9 +131,7 @@ struct mpc5121_nfc_prv {
 
 static void mpc5121_nfc_done(struct mtd_info *mtd);
 
-#ifdef CONFIG_MTD_PARTITIONS
 static const char *mpc5121_nfc_pprobes[] = { "cmdlinepart", NULL };
-#endif
 
 /* Read NFC register */
 static inline u16 nfc_read(struct mtd_info *mtd, uint reg)
@@ -658,9 +656,7 @@ static int __devinit mpc5121_nfc_probe(struct platform_device *op)
         struct mpc5121_nfc_prv *prv;
         struct resource res;
         struct mtd_info *mtd;
-#ifdef CONFIG_MTD_PARTITIONS
         struct mtd_partition *parts;
-#endif
         struct nand_chip *chip;
         unsigned long regs_paddr, regs_size;
         const __be32 *chips_no;
@@ -841,7 +837,6 @@ static int __devinit mpc5121_nfc_probe(struct platform_device *op)
         dev_set_drvdata(dev, mtd);
 
         /* Register device in MTD */
-#ifdef CONFIG_MTD_PARTITIONS
         retval = parse_mtd_partitions(mtd, mpc5121_nfc_pprobes, &parts, 0);
 #ifdef CONFIG_MTD_OF_PARTS
         if (retval == 0)
@@ -854,12 +849,7 @@ static int __devinit mpc5121_nfc_probe(struct platform_device *op)
                 goto error;
         }
 
-        if (retval > 0)
-                retval = add_mtd_partitions(mtd, parts, retval);
-        else
-#endif
-                retval = add_mtd_device(mtd);
-
+        retval = mtd_device_register(mtd, parts, retval);
         if (retval) {
                 dev_err(dev, "Error adding MTD device!\n");
                 devm_free_irq(dev, prv->irq, mtd);
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 42a95fb41504..90df34c4d26c 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -56,8 +56,14 @@
 #define NFC_V1_V2_WRPROT                (host->regs + 0x12)
 #define NFC_V1_UNLOCKSTART_BLKADDR      (host->regs + 0x14)
 #define NFC_V1_UNLOCKEND_BLKADDR        (host->regs + 0x16)
-#define NFC_V21_UNLOCKSTART_BLKADDR     (host->regs + 0x20)
-#define NFC_V21_UNLOCKEND_BLKADDR       (host->regs + 0x22)
+#define NFC_V21_UNLOCKSTART_BLKADDR0    (host->regs + 0x20)
+#define NFC_V21_UNLOCKSTART_BLKADDR1    (host->regs + 0x24)
+#define NFC_V21_UNLOCKSTART_BLKADDR2    (host->regs + 0x28)
+#define NFC_V21_UNLOCKSTART_BLKADDR3    (host->regs + 0x2c)
+#define NFC_V21_UNLOCKEND_BLKADDR0      (host->regs + 0x22)
+#define NFC_V21_UNLOCKEND_BLKADDR1      (host->regs + 0x26)
+#define NFC_V21_UNLOCKEND_BLKADDR2      (host->regs + 0x2a)
+#define NFC_V21_UNLOCKEND_BLKADDR3      (host->regs + 0x2e)
 #define NFC_V1_V2_NF_WRPRST             (host->regs + 0x18)
 #define NFC_V1_V2_CONFIG1               (host->regs + 0x1a)
 #define NFC_V1_V2_CONFIG2               (host->regs + 0x1c)
@@ -152,6 +158,7 @@ struct mxc_nand_host {
         int                     clk_act;
         int                     irq;
         int                     eccsize;
+        int                     active_cs;
 
         struct completion       op_completion;
 
@@ -236,9 +243,7 @@ static struct nand_ecclayout nandv2_hw_eccoob_4k = {
         }
 };
 
-#ifdef CONFIG_MTD_PARTITIONS
 static const char *part_probes[] = { "RedBoot", "cmdlinepart", NULL };
-#endif
 
 static irqreturn_t mxc_nfc_irq(int irq, void *dev_id)
 {
@@ -445,7 +450,7 @@ static void send_page_v1_v2(struct mtd_info *mtd, unsigned int ops)
         for (i = 0; i < bufs; i++) {
 
                 /* NANDFC buffer 0 is used for page read/write */
-                writew(i, NFC_V1_V2_BUF_ADDR);
+                writew((host->active_cs << 4) | i, NFC_V1_V2_BUF_ADDR);
 
                 writew(ops, NFC_V1_V2_CONFIG2);
 
@@ -470,7 +475,7 @@ static void send_read_id_v1_v2(struct mxc_nand_host *host)
         struct nand_chip *this = &host->nand;
 
         /* NANDFC buffer 0 is used for device ID output */
-        writew(0x0, NFC_V1_V2_BUF_ADDR);
+        writew(host->active_cs << 4, NFC_V1_V2_BUF_ADDR);
 
         writew(NFC_ID, NFC_V1_V2_CONFIG2);
 
@@ -505,7 +510,7 @@ static uint16_t get_dev_status_v1_v2(struct mxc_nand_host *host)
         uint32_t store;
         uint16_t ret;
 
-        writew(0x0, NFC_V1_V2_BUF_ADDR);
+        writew(host->active_cs << 4, NFC_V1_V2_BUF_ADDR);
 
         /*
          * The device status is stored in main_area0. To
@@ -686,24 +691,24 @@ static void mxc_nand_select_chip(struct mtd_info *mtd, int chip)
         struct nand_chip *nand_chip = mtd->priv;
         struct mxc_nand_host *host = nand_chip->priv;
 
-        switch (chip) {
-        case -1:
+        if (chip == -1) {
                 /* Disable the NFC clock */
                 if (host->clk_act) {
                         clk_disable(host->clk);
                         host->clk_act = 0;
                 }
-                break;
-        case 0:
+                return;
+        }
+
+        if (!host->clk_act) {
                 /* Enable the NFC clock */
-                if (!host->clk_act) {
-                        clk_enable(host->clk);
-                        host->clk_act = 1;
-                }
-                break;
+                clk_enable(host->clk);
+                host->clk_act = 1;
+        }
 
-        default:
-                break;
+        if (nfc_is_v21()) {
+                host->active_cs = chip;
+                writew(host->active_cs << 4, NFC_V1_V2_BUF_ADDR);
         }
 }
 
@@ -834,8 +839,14 @@ static void preset_v1_v2(struct mtd_info *mtd)
 
         /* Blocks to be unlocked */
         if (nfc_is_v21()) {
-                writew(0x0, NFC_V21_UNLOCKSTART_BLKADDR);
-                writew(0xffff, NFC_V21_UNLOCKEND_BLKADDR);
+                writew(0x0, NFC_V21_UNLOCKSTART_BLKADDR0);
+                writew(0x0, NFC_V21_UNLOCKSTART_BLKADDR1);
+                writew(0x0, NFC_V21_UNLOCKSTART_BLKADDR2);
+                writew(0x0, NFC_V21_UNLOCKSTART_BLKADDR3);
+                writew(0xffff, NFC_V21_UNLOCKEND_BLKADDR0);
+                writew(0xffff, NFC_V21_UNLOCKEND_BLKADDR1);
+                writew(0xffff, NFC_V21_UNLOCKEND_BLKADDR2);
+                writew(0xffff, NFC_V21_UNLOCKEND_BLKADDR3);
         } else if (nfc_is_v1()) {
                 writew(0x0, NFC_V1_UNLOCKSTART_BLKADDR);
                 writew(0x4000, NFC_V1_UNLOCKEND_BLKADDR);
@@ -1200,7 +1211,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
                 irq_control_v1_v2(host, 1);
 
         /* first scan to find the device and get the page size */
-        if (nand_scan_ident(mtd, 1, NULL)) {
+        if (nand_scan_ident(mtd, nfc_is_v21() ? 4 : 1, NULL)) {
                 err = -ENXIO;
                 goto escan;
         }
@@ -1220,18 +1231,15 @@ static int __init mxcnd_probe(struct platform_device *pdev)
         }
 
         /* Register the partitions */
-#ifdef CONFIG_MTD_PARTITIONS
         nr_parts =
             parse_mtd_partitions(mtd, part_probes, &host->parts, 0);
         if (nr_parts > 0)
-                add_mtd_partitions(mtd, host->parts, nr_parts);
+                mtd_device_register(mtd, host->parts, nr_parts);
         else if (pdata->parts)
-                add_mtd_partitions(mtd, pdata->parts, pdata->nr_parts);
-        else
-#endif
-        {
+                mtd_device_register(mtd, pdata->parts, pdata->nr_parts);
+        else {
                 pr_info("Registering %s as whole device\n", mtd->name);
-                add_mtd_device(mtd);
+                mtd_device_register(mtd, NULL, 0);
         }
 
         platform_set_drvdata(pdev, host);
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index c54a4cbac6bc..a46e9bb847bd 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -47,10 +47,7 @@
 #include <linux/bitops.h>
 #include <linux/leds.h>
 #include <linux/io.h>
-
-#ifdef CONFIG_MTD_PARTITIONS
 #include <linux/mtd/partitions.h>
-#endif
 
 /* Define default oob placement schemes for large and small page devices */
 static struct nand_ecclayout nand_oob_8 = {
@@ -976,9 +973,6 @@ int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
         ret = __nand_unlock(mtd, ofs, len, 0);
 
 out:
-        /* de-select the NAND device */
-        chip->select_chip(mtd, -1);
-
         nand_release_device(mtd);
 
         return ret;
@@ -1046,9 +1040,6 @@ int nand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
         ret = __nand_unlock(mtd, ofs, len, 0x1);
 
 out:
-        /* de-select the NAND device */
-        chip->select_chip(mtd, -1);
-
         nand_release_device(mtd);
 
         return ret;
@@ -3112,6 +3103,8 @@ ident_done:
                 chip->chip_shift += 32 - 1;
         }
 
+        chip->badblockbits = 8;
+
         /* Set the bad block position */
         if (mtd->writesize > 512 || (busw & NAND_BUSWIDTH_16))
                 chip->badblockpos = NAND_LARGE_BADBLOCK_POS;
@@ -3539,12 +3532,7 @@ void nand_release(struct mtd_info *mtd)
         if (chip->ecc.mode == NAND_ECC_SOFT_BCH)
                 nand_bch_free((struct nand_bch_control *)chip->ecc.priv);
 
-#ifdef CONFIG_MTD_PARTITIONS
-        /* Deregister partitions */
-        del_mtd_partitions(mtd);
-#endif
-        /* Deregister the device */
-        del_mtd_device(mtd);
+        mtd_device_unregister(mtd);
 
         /* Free bad block table memory */
         kfree(chip->bbt);
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index af46428286fe..ccbeaa1e4a8e 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -1276,20 +1276,6 @@ int nand_update_bbt(struct mtd_info *mtd, loff_t offs)
  * while scanning a device for factory marked good / bad blocks. */
 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 
-static struct nand_bbt_descr smallpage_flashbased = {
-        .options = NAND_BBT_SCAN2NDPAGE,
-        .offs = NAND_SMALL_BADBLOCK_POS,
-        .len = 1,
-        .pattern = scan_ff_pattern
-};
-
-static struct nand_bbt_descr largepage_flashbased = {
-        .options = NAND_BBT_SCAN2NDPAGE,
-        .offs = NAND_LARGE_BADBLOCK_POS,
-        .len = 2,
-        .pattern = scan_ff_pattern
-};
-
 static uint8_t scan_agand_pattern[] = { 0x1C, 0x71, 0xC7, 0x1C, 0x71, 0xC7 };
 
 static struct nand_bbt_descr agand_flashbased = {
@@ -1355,10 +1341,6 @@ static struct nand_bbt_descr bbt_mirror_no_bbt_descr = {
  * this->badblock_pattern. Thus, this->badblock_pattern should be NULL when
  * passed to this function.
  *
- * TODO: Handle other flags, replace other static structs
- *        (e.g. handle NAND_BBT_FLASH for flash-based BBT,
- *             replace smallpage_flashbased)
- *
  */
 static int nand_create_default_bbt_descr(struct nand_chip *this)
 {
@@ -1422,15 +1404,14 @@ int nand_default_bbt(struct mtd_info *mtd)
                                 this->bbt_md = &bbt_mirror_descr;
                         }
                 }
-                if (!this->badblock_pattern) {
-                        this->badblock_pattern = (mtd->writesize > 512) ? &largepage_flashbased : &smallpage_flashbased;
-                }
         } else {
                 this->bbt_td = NULL;
                 this->bbt_md = NULL;
-                if (!this->badblock_pattern)
-                        nand_create_default_bbt_descr(this);
         }
+
+        if (!this->badblock_pattern)
+                nand_create_default_bbt_descr(this);
+
         return nand_scan_bbt(mtd, this->badblock_pattern);
 }
 
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 893d95bfea48..357e8c5252a8 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -2383,7 +2383,9 @@ static int __init ns_init_module(void)
                 goto err_exit;
 
         /* Register NAND partitions */
-        if ((retval = add_mtd_partitions(nsmtd, &nand->partitions[0], nand->nbparts)) != 0)
+        retval = mtd_device_register(nsmtd, &nand->partitions[0],
+                                     nand->nbparts);
+        if (retval != 0)
                 goto err_exit;
 
         return 0;
diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c
index bbe6d451290d..ea2dea8a9c88 100644
--- a/drivers/mtd/nand/ndfc.c
+++ b/drivers/mtd/nand/ndfc.c
@@ -33,6 +33,7 @@
 #include <linux/of_platform.h>
 #include <asm/io.h>
 
+#define NDFC_MAX_CS    4
 
 struct ndfc_controller {
         struct platform_device *ofdev;
@@ -41,17 +42,16 @@ struct ndfc_controller {
         struct nand_chip chip;
         int chip_select;
         struct nand_hw_control ndfc_control;
-#ifdef CONFIG_MTD_PARTITIONS
         struct mtd_partition *parts;
-#endif
 };
 
-static struct ndfc_controller ndfc_ctrl;
+static struct ndfc_controller ndfc_ctrl[NDFC_MAX_CS];
 
 static void ndfc_select_chip(struct mtd_info *mtd, int chip)
 {
         uint32_t ccr;
-        struct ndfc_controller *ndfc = &ndfc_ctrl;
+        struct nand_chip *nchip = mtd->priv;
+        struct ndfc_controller *ndfc = nchip->priv;
 
         ccr = in_be32(ndfc->ndfcbase + NDFC_CCR);
         if (chip >= 0) {
@@ -64,7 +64,8 @@ static void ndfc_select_chip(struct mtd_info *mtd, int chip)
 
 static void ndfc_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 {
-        struct ndfc_controller *ndfc = &ndfc_ctrl;
+        struct nand_chip *chip = mtd->priv;
+        struct ndfc_controller *ndfc = chip->priv;
 
         if (cmd == NAND_CMD_NONE)
                 return;
@@ -77,7 +78,8 @@ static void ndfc_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 
 static int ndfc_ready(struct mtd_info *mtd)
 {
-        struct ndfc_controller *ndfc = &ndfc_ctrl;
+        struct nand_chip *chip = mtd->priv;
+        struct ndfc_controller *ndfc = chip->priv;
 
         return in_be32(ndfc->ndfcbase + NDFC_STAT) & NDFC_STAT_IS_READY;
 }
@@ -85,7 +87,8 @@ static int ndfc_ready(struct mtd_info *mtd)
 static void ndfc_enable_hwecc(struct mtd_info *mtd, int mode)
 {
         uint32_t ccr;
-        struct ndfc_controller *ndfc = &ndfc_ctrl;
+        struct nand_chip *chip = mtd->priv;
+        struct ndfc_controller *ndfc = chip->priv;
 
         ccr = in_be32(ndfc->ndfcbase + NDFC_CCR);
         ccr |= NDFC_CCR_RESET_ECC;
@@ -96,7 +99,8 @@ static void ndfc_enable_hwecc(struct mtd_info *mtd, int mode)
 static int ndfc_calculate_ecc(struct mtd_info *mtd,
                               const u_char *dat, u_char *ecc_code)
 {
-        struct ndfc_controller *ndfc = &ndfc_ctrl;
+        struct nand_chip *chip = mtd->priv;
+        struct ndfc_controller *ndfc = chip->priv;
         uint32_t ecc;
         uint8_t *p = (uint8_t *)&ecc;
 
@@ -119,7 +123,8 @@ static int ndfc_calculate_ecc(struct mtd_info *mtd,
  */
 static void ndfc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
 {
-        struct ndfc_controller *ndfc = &ndfc_ctrl;
+        struct nand_chip *chip = mtd->priv;
+        struct ndfc_controller *ndfc = chip->priv;
         uint32_t *p = (uint32_t *) buf;
 
         for(;len > 0; len -= 4)
@@ -128,7 +133,8 @@ static void ndfc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
 
 static void ndfc_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
 {
-        struct ndfc_controller *ndfc = &ndfc_ctrl;
+        struct nand_chip *chip = mtd->priv;
+        struct ndfc_controller *ndfc = chip->priv;
         uint32_t *p = (uint32_t *) buf;
 
         for(;len > 0; len -= 4)
@@ -137,7 +143,8 @@ static void ndfc_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
 
 static int ndfc_verify_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
 {
-        struct ndfc_controller *ndfc = &ndfc_ctrl;
+        struct nand_chip *chip = mtd->priv;
+        struct ndfc_controller *ndfc = chip->priv;
         uint32_t *p = (uint32_t *) buf;
 
         for(;len > 0; len -= 4)
@@ -152,13 +159,11 @@ static int ndfc_verify_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
 static int ndfc_chip_init(struct ndfc_controller *ndfc,
                           struct device_node *node)
 {
-#ifdef CONFIG_MTD_PARTITIONS
 #ifdef CONFIG_MTD_CMDLINE_PARTS
         static const char *part_types[] = { "cmdlinepart", NULL };
 #else
         static const char *part_types[] = { NULL };
 #endif
-#endif
         struct device_node *flash_np;
         struct nand_chip *chip = &ndfc->chip;
         int ret;
@@ -179,6 +184,7 @@ static int ndfc_chip_init(struct ndfc_controller *ndfc,
         chip->ecc.mode = NAND_ECC_HW;
         chip->ecc.size = 256;
         chip->ecc.bytes = 3;
+        chip->priv = ndfc;
 
         ndfc->mtd.priv = chip;
         ndfc->mtd.owner = THIS_MODULE;
@@ -198,25 +204,18 @@ static int ndfc_chip_init(struct ndfc_controller *ndfc,
         if (ret)
                 goto err;
 
-#ifdef CONFIG_MTD_PARTITIONS
         ret = parse_mtd_partitions(&ndfc->mtd, part_types, &ndfc->parts, 0);
         if (ret < 0)
                 goto err;
 
-#ifdef CONFIG_MTD_OF_PARTS
         if (ret == 0) {
                 ret = of_mtd_parse_partitions(&ndfc->ofdev->dev, flash_np,
                                               &ndfc->parts);
                 if (ret < 0)
                         goto err;
         }
-#endif
 
-        if (ret > 0)
-                ret = add_mtd_partitions(&ndfc->mtd, ndfc->parts, ret);
-        else
-#endif
-                ret = add_mtd_device(&ndfc->mtd);
+        ret = mtd_device_register(&ndfc->mtd, ndfc->parts, ret);
 
 err:
         of_node_put(flash_np);
@@ -227,15 +226,10 @@ err:
 
 static int __devinit ndfc_probe(struct platform_device *ofdev)
 {
-        struct ndfc_controller *ndfc = &ndfc_ctrl;
+        struct ndfc_controller *ndfc;
         const __be32 *reg;
         u32 ccr;
-        int err, len;
-
-        spin_lock_init(&ndfc->ndfc_control.lock);
-        init_waitqueue_head(&ndfc->ndfc_control.wq);
-        ndfc->ofdev = ofdev;
-        dev_set_drvdata(&ofdev->dev, ndfc);
+        int err, len, cs;
 
         /* Read the reg property to get the chip select */
         reg = of_get_property(ofdev->dev.of_node, "reg", &len);
@@ -243,7 +237,20 @@ static int __devinit ndfc_probe(struct platform_device *ofdev)
                 dev_err(&ofdev->dev, "unable read reg property (%d)\n", len);
                 return -ENOENT;
         }
-        ndfc->chip_select = be32_to_cpu(reg[0]);
+
+        cs = be32_to_cpu(reg[0]);
+        if (cs >= NDFC_MAX_CS) {
+                dev_err(&ofdev->dev, "invalid CS number (%d)\n", cs);
+                return -EINVAL;
+        }
+
+        ndfc = &ndfc_ctrl[cs];
+        ndfc->chip_select = cs;
+
+        spin_lock_init(&ndfc->ndfc_control.lock);
+        init_waitqueue_head(&ndfc->ndfc_control.wq);
+        ndfc->ofdev = ofdev;
+        dev_set_drvdata(&ofdev->dev, ndfc);
 
         ndfc->ndfcbase = of_iomap(ofdev->dev.of_node, 0);
         if (!ndfc->ndfcbase) {
diff --git a/drivers/mtd/nand/nomadik_nand.c b/drivers/mtd/nand/nomadik_nand.c
index a045a4a581b6..b6a5c86ab31e 100644
--- a/drivers/mtd/nand/nomadik_nand.c
+++ b/drivers/mtd/nand/nomadik_nand.c
@@ -158,12 +158,7 @@ static int nomadik_nand_probe(struct platform_device *pdev)
                 goto err_unmap;
         }
 
-#ifdef CONFIG_MTD_PARTITIONS
-        add_mtd_partitions(&host->mtd, pdata->parts, pdata->nparts);
-#else
-        pr_info("Registering %s as whole device\n", mtd->name);
-        add_mtd_device(mtd);
-#endif
+        mtd_device_register(&host->mtd, pdata->parts, pdata->nparts);
 
         platform_set_drvdata(pdev, host);
         return 0;
diff --git a/drivers/mtd/nand/nuc900_nand.c b/drivers/mtd/nand/nuc900_nand.c
index 6eddf7361ed7..9c30a0b03171 100644
--- a/drivers/mtd/nand/nuc900_nand.c
+++ b/drivers/mtd/nand/nuc900_nand.c
@@ -321,8 +321,8 @@ static int __devinit nuc900_nand_probe(struct platform_device *pdev)
                 goto fail3;
         }
 
-        add_mtd_partitions(&(nuc900_nand->mtd), partitions,
-                                                ARRAY_SIZE(partitions));
+        mtd_device_register(&(nuc900_nand->mtd), partitions,
+                            ARRAY_SIZE(partitions));
 
         platform_set_drvdata(pdev, nuc900_nand);
 
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index da9a351c9d79..0db2c0e7656a 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -94,9 +94,7 @@
 #define P4e_s(a)        (TF(a & NAND_Ecc_P4e)           << 0)
 #define P4o_s(a)        (TF(a & NAND_Ecc_P4o)           << 1)
 
-#ifdef CONFIG_MTD_PARTITIONS
 static const char *part_probes[] = { "cmdlinepart", NULL };
-#endif
 
 /* oob info generated runtime depending on ecc algorithm and layout selected */
 static struct nand_ecclayout omap_oobinfo;
@@ -263,11 +261,10 @@ static void omap_read_buf_pref(struct mtd_info *mtd, u_char *buf, int len)
         if (ret) {
                 /* PFPW engine is busy, use cpu copy method */
                 if (info->nand.options & NAND_BUSWIDTH_16)
-                        omap_read_buf16(mtd, buf, len);
+                        omap_read_buf16(mtd, (u_char *)p, len);
                 else
-                        omap_read_buf8(mtd, buf, len);
+                        omap_read_buf8(mtd, (u_char *)p, len);
         } else {
-                p = (u32 *) buf;
                 do {
                         r_count = gpmc_read_status(GPMC_PREFETCH_FIFO_CNT);
                         r_count = r_count >> 2;
@@ -293,7 +290,7 @@ static void omap_write_buf_pref(struct mtd_info *mtd,
                                                 struct omap_nand_info, mtd);
         uint32_t w_count = 0;
         int i = 0, ret = 0;
-        u16 *p;
+        u16 *p = (u16 *)buf;
         unsigned long tim, limit;
 
         /* take care of subpage writes */
@@ -309,11 +306,10 @@ static void omap_write_buf_pref(struct mtd_info *mtd,
         if (ret) {
                 /* PFPW engine is busy, use cpu copy method */
                 if (info->nand.options & NAND_BUSWIDTH_16)
-                        omap_write_buf16(mtd, buf, len);
+                        omap_write_buf16(mtd, (u_char *)p, len);
                 else
-                        omap_write_buf8(mtd, buf, len);
+                        omap_write_buf8(mtd, (u_char *)p, len);
         } else {
-                p = (u16 *) buf;
                 while (len) {
                         w_count = gpmc_read_status(GPMC_PREFETCH_FIFO_CNT);
                         w_count = w_count >> 1;
@@ -1073,9 +1069,9 @@ static int __devinit omap_nand_probe(struct platform_device *pdev)
         /* DIP switches on some boards change between 8 and 16 bit
          * bus widths for flash.  Try the other width if the first try fails.
          */
-        if (nand_scan(&info->mtd, 1)) {
+        if (nand_scan_ident(&info->mtd, 1, NULL)) {
                 info->nand.options ^= NAND_BUSWIDTH_16;
-                if (nand_scan(&info->mtd, 1)) {
+                if (nand_scan_ident(&info->mtd, 1, NULL)) {
                         err = -ENXIO;
                         goto out_release_mem_region;
                 }
@@ -1101,15 +1097,19 @@ static int __devinit omap_nand_probe(struct platform_device *pdev)
                 info->nand.ecc.layout = &omap_oobinfo;
         }
 
-#ifdef CONFIG_MTD_PARTITIONS
+        /* second phase scan */
+        if (nand_scan_tail(&info->mtd)) {
+                err = -ENXIO;
+                goto out_release_mem_region;
+        }
+
         err = parse_mtd_partitions(&info->mtd, part_probes, &info->parts, 0);
         if (err > 0)
-                add_mtd_partitions(&info->mtd, info->parts, err);
+                mtd_device_register(&info->mtd, info->parts, err);
         else if (pdata->parts)
-                add_mtd_partitions(&info->mtd, pdata->parts, pdata->nr_parts);
+                mtd_device_register(&info->mtd, pdata->parts, pdata->nr_parts);
         else
-#endif
-                add_mtd_device(&info->mtd);
+                mtd_device_register(&info->mtd, NULL, 0);
 
         platform_set_drvdata(pdev, &info->mtd);
 
diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c
index da6e75343052..7794d0680f91 100644
--- a/drivers/mtd/nand/orion_nand.c
+++ b/drivers/mtd/nand/orion_nand.c
@@ -21,9 +21,7 @@
 #include <mach/hardware.h>
 #include <plat/orion_nand.h>
 
-#ifdef CONFIG_MTD_CMDLINE_PARTS
 static const char *part_probes[] = { "cmdlinepart", NULL };
-#endif
 
 static void orion_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 {
@@ -83,10 +81,8 @@ static int __init orion_nand_probe(struct platform_device *pdev)
         struct resource *res;
         void __iomem *io_base;
         int ret = 0;
-#ifdef CONFIG_MTD_PARTITIONS
         struct mtd_partition *partitions = NULL;
         int num_part = 0;
-#endif
 
         nc = kzalloc(sizeof(struct nand_chip) + sizeof(struct mtd_info), GFP_KERNEL);
         if (!nc) {
@@ -136,7 +132,6 @@ static int __init orion_nand_probe(struct platform_device *pdev)
                 goto no_dev;
         }
 
-#ifdef CONFIG_MTD_PARTITIONS
 #ifdef CONFIG_MTD_CMDLINE_PARTS
         mtd->name = "orion_nand";
         num_part = parse_mtd_partitions(mtd, part_probes, &partitions, 0);
@@ -147,14 +142,7 @@ static int __init orion_nand_probe(struct platform_device *pdev)
                 partitions = board->parts;
         }
 
-        if (partitions && num_part > 0)
-                ret = add_mtd_partitions(mtd, partitions, num_part);
-        else
-                ret = add_mtd_device(mtd);
-#else
-        ret = add_mtd_device(mtd);
-#endif
-
+        ret = mtd_device_register(mtd, partitions, num_part);
         if (ret) {
                 nand_release(mtd);
                 goto no_dev;
diff --git a/drivers/mtd/nand/pasemi_nand.c b/drivers/mtd/nand/pasemi_nand.c
index 20bfe5f15afd..b1aa41b8a4eb 100644
--- a/drivers/mtd/nand/pasemi_nand.c
+++ b/drivers/mtd/nand/pasemi_nand.c
@@ -163,7 +163,7 @@ static int __devinit pasemi_nand_probe(struct platform_device *ofdev)
                 goto out_lpc;
         }
 
-        if (add_mtd_device(pasemi_nand_mtd)) {
+        if (mtd_device_register(pasemi_nand_mtd, NULL, 0)) {
                 printk(KERN_ERR "pasemi_nand: Unable to register MTD device\n");
                 err = -ENODEV;
                 goto out_lpc;
diff --git a/drivers/mtd/nand/plat_nand.c b/drivers/mtd/nand/plat_nand.c
index caf5a736340a..633c04bf76f6 100644
--- a/drivers/mtd/nand/plat_nand.c
+++ b/drivers/mtd/nand/plat_nand.c
@@ -21,10 +21,8 @@ struct plat_nand_data {
         struct nand_chip        chip;
         struct mtd_info         mtd;
         void __iomem            *io_base;
-#ifdef CONFIG_MTD_PARTITIONS
         int                     nr_parts;
         struct mtd_partition    *parts;
-#endif
 };
 
 /*
@@ -101,13 +99,12 @@ static int __devinit plat_nand_probe(struct platform_device *pdev)
                 goto out;
         }
 
-#ifdef CONFIG_MTD_PARTITIONS
         if (pdata->chip.part_probe_types) {
                 err = parse_mtd_partitions(&data->mtd,
                                         pdata->chip.part_probe_types,
                                         &data->parts, 0);
                 if (err > 0) {
-                        add_mtd_partitions(&data->mtd, data->parts, err);
+                        mtd_device_register(&data->mtd, data->parts, err);
                         return 0;
                 }
         }
@@ -115,11 +112,10 @@ static int __devinit plat_nand_probe(struct platform_device *pdev)
                 pdata->chip.set_parts(data->mtd.size, &pdata->chip);
         if (pdata->chip.partitions) {
                 data->parts = pdata->chip.partitions;
-                err = add_mtd_partitions(&data->mtd, data->parts,
+                err = mtd_device_register(&data->mtd, data->parts,
                         pdata->chip.nr_partitions);
         } else
-#endif
-        err = add_mtd_device(&data->mtd);
+                err = mtd_device_register(&data->mtd, NULL, 0);
 
         if (!err)
                 return err;
@@ -149,10 +145,8 @@ static int __devexit plat_nand_remove(struct platform_device *pdev)
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 
         nand_release(&data->mtd);
-#ifdef CONFIG_MTD_PARTITIONS
         if (data->parts && data->parts != pdata->chip.partitions)
                 kfree(data->parts);
-#endif
         if (pdata->ctrl.remove)
                 pdata->ctrl.remove(pdev);
         iounmap(data->io_base);
diff --git a/drivers/mtd/nand/ppchameleonevb.c b/drivers/mtd/nand/ppchameleonevb.c
index cc8658431851..3bbb796b451c 100644
--- a/drivers/mtd/nand/ppchameleonevb.c
+++ b/drivers/mtd/nand/ppchameleonevb.c
@@ -73,7 +73,6 @@ __setup("ppchameleon_fio_pbase=", ppchameleon_fio_pbase);
 __setup("ppchameleonevb_fio_pbase=", ppchameleonevb_fio_pbase);
 #endif
 
-#ifdef CONFIG_MTD_PARTITIONS
 /*
  * Define static partitions for flash devices
  */
@@ -101,7 +100,6 @@ static struct mtd_partition partition_info_evb[] = {
 #define NUM_PARTITIONS 1
 
 extern int parse_cmdline_partitions(struct mtd_info *master, struct mtd_partition **pparts, const char *mtd_id);
-#endif
 
 /*
  *      hardware specific access to control-lines
@@ -189,10 +187,8 @@ static int ppchameleonevb_device_ready(struct mtd_info *minfo)
 }
 #endif
 
-#ifdef CONFIG_MTD_PARTITIONS
 const char *part_probes[] = { "cmdlinepart", NULL };
 const char *part_probes_evb[] = { "cmdlinepart", NULL };
-#endif
 
 /*
  * Main initialization routine
@@ -284,14 +280,13 @@ static int __init ppchameleonevb_init(void)
                 this->chip_delay = NAND_SMALL_DELAY_US;
 #endif
 
-#ifdef CONFIG_MTD_PARTITIONS
         ppchameleon_mtd->name = "ppchameleon-nand";
         mtd_parts_nb = parse_mtd_partitions(ppchameleon_mtd, part_probes, &mtd_parts, 0);
         if (mtd_parts_nb > 0)
                 part_type = "command line";
         else
                 mtd_parts_nb = 0;
-#endif
+
         if (mtd_parts_nb == 0) {
                 if (ppchameleon_mtd->size == NAND_SMALL_SIZE)
                         mtd_parts = partition_info_me;
@@ -303,7 +298,7 @@ static int __init ppchameleonevb_init(void)
 
         /* Register the partitions */
         printk(KERN_NOTICE "Using %s partition definition\n", part_type);
-        add_mtd_partitions(ppchameleon_mtd, mtd_parts, mtd_parts_nb);
+        mtd_device_register(ppchameleon_mtd, mtd_parts, mtd_parts_nb);
 
  nand_evb_init:
         /****************************
@@ -385,14 +380,14 @@ static int __init ppchameleonevb_init(void)
                         iounmap(ppchameleon_fio_base);
                 return -ENXIO;
         }
-#ifdef CONFIG_MTD_PARTITIONS
+
         ppchameleonevb_mtd->name = NAND_EVB_MTD_NAME;
         mtd_parts_nb = parse_mtd_partitions(ppchameleonevb_mtd, part_probes_evb, &mtd_parts, 0);
         if (mtd_parts_nb > 0)
                 part_type = "command line";
         else
                 mtd_parts_nb = 0;
-#endif
+
         if (mtd_parts_nb == 0) {
                 mtd_parts = partition_info_evb;
                 mtd_parts_nb = NUM_PARTITIONS;
@@ -401,7 +396,7 @@ static int __init ppchameleonevb_init(void)
 
         /* Register the partitions */
         printk(KERN_NOTICE "Using %s partition definition\n", part_type);
-        add_mtd_partitions(ppchameleonevb_mtd, mtd_parts, mtd_parts_nb);
+        mtd_device_register(ppchameleonevb_mtd, mtd_parts, mtd_parts_nb);
 
         /* Return happy */
         return 0;
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index ff0701276d65..1fb3b3a80581 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -1119,10 +1119,7 @@ static int pxa3xx_nand_remove(struct platform_device *pdev)
         clk_put(info->clk);
 
         if (mtd) {
-                del_mtd_device(mtd);
-#ifdef CONFIG_MTD_PARTITIONS
-                del_mtd_partitions(mtd);
-#endif
+                mtd_device_unregister(mtd);
                 kfree(mtd);
         }
         return 0;
@@ -1149,7 +1146,6 @@ static int pxa3xx_nand_probe(struct platform_device *pdev)
                 return -ENODEV;
         }
 
-#ifdef CONFIG_MTD_PARTITIONS
         if (mtd_has_cmdlinepart()) {
                 const char *probes[] = { "cmdlinepart", NULL };
                 struct mtd_partition *parts;
@@ -1158,13 +1154,10 @@ static int pxa3xx_nand_probe(struct platform_device *pdev)
                 nr_parts = parse_mtd_partitions(info->mtd, probes, &parts, 0);
 
                 if (nr_parts)
-                        return add_mtd_partitions(info->mtd, parts, nr_parts);
+                        return mtd_device_register(info->mtd, parts, nr_parts);
         }
 
-        return add_mtd_partitions(info->mtd, pdata->parts, pdata->nr_parts);
-#else
-        return 0;
-#endif
+        return mtd_device_register(info->mtd, pdata->parts, pdata->nr_parts);
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/mtd/nand/rtc_from4.c b/drivers/mtd/nand/rtc_from4.c
index 67440b5beef8..c9f9127ff770 100644
--- a/drivers/mtd/nand/rtc_from4.c
+++ b/drivers/mtd/nand/rtc_from4.c
@@ -580,7 +580,8 @@ static int __init rtc_from4_init(void)
 #endif
 
         /* Register the partitions */
-        ret = add_mtd_partitions(rtc_from4_mtd, partition_info, NUM_PARTITIONS);
+        ret = mtd_device_register(rtc_from4_mtd, partition_info,
+                                  NUM_PARTITIONS);
         if (ret)
                 goto err_3;
 
diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index 33d832dddfdd..4405468f196b 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -55,7 +55,7 @@ static int hardware_ecc = 0;
 #endif
 
 #ifdef CONFIG_MTD_NAND_S3C2410_CLKSTOP
-static int clock_stop = 1;
+static const int clock_stop = 1;
 #else
 static const int clock_stop = 0;
 #endif
@@ -96,6 +96,12 @@ enum s3c_cpu_type {
         TYPE_S3C2440,
 };
 
+enum s3c_nand_clk_state {
+        CLOCK_DISABLE   = 0,
+        CLOCK_ENABLE,
+        CLOCK_SUSPEND,
+};
+
 /* overview of the s3c2410 nand state */
 
 /**
@@ -111,6 +117,7 @@ enum s3c_cpu_type {
  * @mtd_count: The number of MTDs created from this controller.
  * @save_sel: The contents of @sel_reg to be saved over suspend.
  * @clk_rate: The clock rate from @clk.
+ * @clk_state: The current clock state.
  * @cpu_type: The exact type of this controller.
  */
 struct s3c2410_nand_info {
@@ -129,6 +136,7 @@ struct s3c2410_nand_info {
         int                             mtd_count;
         unsigned long                   save_sel;
         unsigned long                   clk_rate;
+        enum s3c_nand_clk_state         clk_state;
 
         enum s3c_cpu_type               cpu_type;
 
@@ -159,11 +167,33 @@ static struct s3c2410_platform_nand *to_nand_plat(struct platform_device *dev)
         return dev->dev.platform_data;
 }
 
-static inline int allow_clk_stop(struct s3c2410_nand_info *info)
+static inline int allow_clk_suspend(struct s3c2410_nand_info *info)
 {
         return clock_stop;
 }
 
+/**
+ * s3c2410_nand_clk_set_state - Enable, disable or suspend NAND clock.
+ * @info: The controller instance.
+ * @new_state: State to which clock should be set.
+ */
+static void s3c2410_nand_clk_set_state(struct s3c2410_nand_info *info,
+                enum s3c_nand_clk_state new_state)
+{
+        if (!allow_clk_suspend(info) && new_state == CLOCK_SUSPEND)
+                return;
+
+        if (info->clk_state == CLOCK_ENABLE) {
+                if (new_state != CLOCK_ENABLE)
+                        clk_disable(info->clk);
+        } else {
+                if (new_state == CLOCK_ENABLE)
+                        clk_enable(info->clk);
+        }
+
+        info->clk_state = new_state;
+}
+
 /* timing calculations */
 
 #define NS_IN_KHZ 1000000
@@ -333,8 +363,8 @@ static void s3c2410_nand_select_chip(struct mtd_info *mtd, int chip)
         nmtd = this->priv;
         info = nmtd->info;
 
-        if (chip != -1 && allow_clk_stop(info))
-                clk_enable(info->clk);
+        if (chip != -1)
+                s3c2410_nand_clk_set_state(info, CLOCK_ENABLE);
 
         cur = readl(info->sel_reg);
 
@@ -356,8 +386,8 @@ static void s3c2410_nand_select_chip(struct mtd_info *mtd, int chip)
 
         writel(cur, info->sel_reg);
 
-        if (chip == -1 && allow_clk_stop(info))
-                clk_disable(info->clk);
+        if (chip == -1)
+                s3c2410_nand_clk_set_state(info, CLOCK_SUSPEND);
 }
 
 /* s3c2410_nand_hwcontrol
@@ -694,8 +724,7 @@ static int s3c24xx_nand_remove(struct platform_device *pdev)
         /* free the common resources */
 
         if (info->clk != NULL && !IS_ERR(info->clk)) {
-                if (!allow_clk_stop(info))
-                        clk_disable(info->clk);
+                s3c2410_nand_clk_set_state(info, CLOCK_DISABLE);
                 clk_put(info->clk);
         }
 
@@ -715,7 +744,6 @@ static int s3c24xx_nand_remove(struct platform_device *pdev)
         return 0;
 }
 
-#ifdef CONFIG_MTD_PARTITIONS
 const char *part_probes[] = { "cmdlinepart", NULL };
 static int s3c2410_nand_add_partition(struct s3c2410_nand_info *info,
                                       struct s3c2410_nand_mtd *mtd,
@@ -725,7 +753,7 @@ static int s3c2410_nand_add_partition(struct s3c2410_nand_info *info,
         int nr_part = 0;
 
         if (set == NULL)
-                return add_mtd_device(&mtd->mtd);
+                return mtd_device_register(&mtd->mtd, NULL, 0);
 
         mtd->mtd.name = set->name;
         nr_part = parse_mtd_partitions(&mtd->mtd, part_probes, &part_info, 0);
@@ -735,19 +763,8 @@ static int s3c2410_nand_add_partition(struct s3c2410_nand_info *info,
                 part_info = set->partitions;
         }
 
-        if (nr_part > 0 && part_info)
-                return add_mtd_partitions(&mtd->mtd, part_info, nr_part);
-
-        return add_mtd_device(&mtd->mtd);
-}
-#else
-static int s3c2410_nand_add_partition(struct s3c2410_nand_info *info,
-                                      struct s3c2410_nand_mtd *mtd,
-                                      struct s3c2410_nand_set *set)
-{
-        return add_mtd_device(&mtd->mtd);
+        return mtd_device_register(&mtd->mtd, part_info, nr_part);
 }
-#endif
 
 /**
  * s3c2410_nand_init_chip - initialise a single instance of an chip
@@ -947,7 +964,7 @@ static int s3c24xx_nand_probe(struct platform_device *pdev)
                 goto exit_error;
         }
 
-        clk_enable(info->clk);
+        s3c2410_nand_clk_set_state(info, CLOCK_ENABLE);
 
         /* allocate and map the resource */
 
@@ -1026,9 +1043,9 @@ static int s3c24xx_nand_probe(struct platform_device *pdev)
                 goto exit_error;
         }
 
-        if (allow_clk_stop(info)) {
+        if (allow_clk_suspend(info)) {
                 dev_info(&pdev->dev, "clock idle support enabled\n");
-                clk_disable(info->clk);
+                s3c2410_nand_clk_set_state(info, CLOCK_SUSPEND);
         }
 
         pr_debug("initialised ok\n");
@@ -1059,8 +1076,7 @@ static int s3c24xx_nand_suspend(struct platform_device *dev, pm_message_t pm)
 
                 writel(info->save_sel | info->sel_bit, info->sel_reg);
 
-                if (!allow_clk_stop(info))
-                        clk_disable(info->clk);
+                s3c2410_nand_clk_set_state(info, CLOCK_DISABLE);
         }
 
         return 0;
@@ -1072,7 +1088,7 @@ static int s3c24xx_nand_resume(struct platform_device *dev)
         unsigned long sel;
 
         if (info) {
-                clk_enable(info->clk);
+                s3c2410_nand_clk_set_state(info, CLOCK_ENABLE);
                 s3c2410_nand_inithw(info);
 
                 /* Restore the state of the nFCE line. */
@@ -1082,8 +1098,7 @@ static int s3c24xx_nand_resume(struct platform_device *dev)
                 sel |= info->save_sel & info->sel_bit;
                 writel(sel, info->sel_reg);
 
-                if (allow_clk_stop(info))
-                        clk_disable(info->clk);
+                s3c2410_nand_clk_set_state(info, CLOCK_SUSPEND);
         }
 
         return 0;
diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c
index 81bbb5ee148d..93b1f74321c2 100644
--- a/drivers/mtd/nand/sh_flctl.c
+++ b/drivers/mtd/nand/sh_flctl.c
@@ -867,7 +867,7 @@ static int __devinit flctl_probe(struct platform_device *pdev)
         if (ret)
                 goto err;
 
-        add_mtd_partitions(flctl_mtd, pdata->parts, pdata->nr_parts);
+        mtd_device_register(flctl_mtd, pdata->parts, pdata->nr_parts);
 
         return 0;
 
diff --git a/drivers/mtd/nand/sharpsl.c b/drivers/mtd/nand/sharpsl.c
index 54ec7542a7b7..19e24ed089ea 100644
--- a/drivers/mtd/nand/sharpsl.c
+++ b/drivers/mtd/nand/sharpsl.c
@@ -103,9 +103,7 @@ static int sharpsl_nand_calculate_ecc(struct mtd_info *mtd, const u_char * dat,
         return readb(sharpsl->io + ECCCNTR) != 0;
 }
 
-#ifdef CONFIG_MTD_PARTITIONS
 static const char *part_probes[] = { "cmdlinepart", NULL };
-#endif
 
 /*
  * Main initialization routine
@@ -113,10 +111,8 @@ static const char *part_probes[] = { "cmdlinepart", NULL };
 static int __devinit sharpsl_nand_probe(struct platform_device *pdev)
 {
         struct nand_chip *this;
-#ifdef CONFIG_MTD_PARTITIONS
         struct mtd_partition *sharpsl_partition_info;
         int nr_partitions;
-#endif
         struct resource *r;
         int err = 0;
         struct sharpsl_nand *sharpsl;
@@ -188,18 +184,14 @@ static int __devinit sharpsl_nand_probe(struct platform_device *pdev)
 
         /* Register the partitions */
         sharpsl->mtd.name = "sharpsl-nand";
-#ifdef CONFIG_MTD_PARTITIONS
         nr_partitions = parse_mtd_partitions(&sharpsl->mtd, part_probes, &sharpsl_partition_info, 0);
         if (nr_partitions <= 0) {
                 nr_partitions = data->nr_partitions;
                 sharpsl_partition_info = data->partitions;
         }
 
-        if (nr_partitions > 0)
-                err = add_mtd_partitions(&sharpsl->mtd, sharpsl_partition_info, nr_partitions);
-        else
-#endif
-        err = add_mtd_device(&sharpsl->mtd);
+        err = mtd_device_register(&sharpsl->mtd, sharpsl_partition_info,
+                                  nr_partitions);
         if (err)
                 goto err_add;
 
diff --git a/drivers/mtd/nand/sm_common.c b/drivers/mtd/nand/sm_common.c
index 57cc80cd01a3..b6332e83b289 100644
--- a/drivers/mtd/nand/sm_common.c
+++ b/drivers/mtd/nand/sm_common.c
@@ -139,7 +139,7 @@ int sm_register_device(struct mtd_info *mtd, int smartmedia)
         if (ret)
                 return ret;
 
-        return add_mtd_device(mtd);
+        return mtd_device_register(mtd, NULL, 0);
 }
 EXPORT_SYMBOL_GPL(sm_register_device);
 
diff --git a/drivers/mtd/nand/socrates_nand.c b/drivers/mtd/nand/socrates_nand.c
index a853548986f0..ca2d0555729e 100644
--- a/drivers/mtd/nand/socrates_nand.c
+++ b/drivers/mtd/nand/socrates_nand.c
@@ -155,9 +155,7 @@ static int socrates_nand_device_ready(struct mtd_info *mtd)
         return 1;
 }
 
-#ifdef CONFIG_MTD_PARTITIONS
 static const char *part_probes[] = { "cmdlinepart", NULL };
-#endif
 
 /*
  * Probe for the NAND device.
@@ -168,11 +166,8 @@ static int __devinit socrates_nand_probe(struct platform_device *ofdev)
         struct mtd_info *mtd;
         struct nand_chip *nand_chip;
         int res;
-
-#ifdef CONFIG_MTD_PARTITIONS
         struct mtd_partition *partitions = NULL;
         int num_partitions = 0;
-#endif
 
         /* Allocate memory for the device structure (and zero it) */
         host = kzalloc(sizeof(struct socrates_nand_host), GFP_KERNEL);
@@ -230,7 +225,6 @@ static int __devinit socrates_nand_probe(struct platform_device *ofdev)
                 goto out;
         }
 
-#ifdef CONFIG_MTD_PARTITIONS
 #ifdef CONFIG_MTD_CMDLINE_PARTS
         num_partitions = parse_mtd_partitions(mtd, part_probes,
                                               &partitions, 0);
@@ -240,7 +234,6 @@ static int __devinit socrates_nand_probe(struct platform_device *ofdev)
         }
 #endif
 
-#ifdef CONFIG_MTD_OF_PARTS
         if (num_partitions == 0) {
                 num_partitions = of_mtd_parse_partitions(&ofdev->dev,
                                                          ofdev->dev.of_node,
@@ -250,19 +243,12 @@ static int __devinit socrates_nand_probe(struct platform_device *ofdev)
                         goto release;
                 }
         }
-#endif
-        if (partitions && (num_partitions > 0))
-                res = add_mtd_partitions(mtd, partitions, num_partitions);
-        else
-#endif
-                res = add_mtd_device(mtd);
 
+        res = mtd_device_register(mtd, partitions, num_partitions);
         if (!res)
                 return res;
 
-#ifdef CONFIG_MTD_PARTITIONS
 release:
-#endif
         nand_release(mtd);
 
 out:
diff --git a/drivers/mtd/nand/spia.c b/drivers/mtd/nand/spia.c
index 0cc6d0acb8fe..bef76cd7c24c 100644
--- a/drivers/mtd/nand/spia.c
+++ b/drivers/mtd/nand/spia.c
@@ -149,7 +149,7 @@ static int __init spia_init(void)
         }
 
         /* Register the partitions */
-        add_mtd_partitions(spia_mtd, partition_info, NUM_PARTITIONS);
+        mtd_device_register(spia_mtd, partition_info, NUM_PARTITIONS);
 
         /* Return happy */
         return 0;
diff --git a/drivers/mtd/nand/tmio_nand.c b/drivers/mtd/nand/tmio_nand.c
index c004e474631b..11e8371b5683 100644
--- a/drivers/mtd/nand/tmio_nand.c
+++ b/drivers/mtd/nand/tmio_nand.c
@@ -381,10 +381,8 @@ static int tmio_probe(struct platform_device *dev)
         struct tmio_nand *tmio;
         struct mtd_info *mtd;
         struct nand_chip *nand_chip;
-#ifdef CONFIG_MTD_PARTITIONS
         struct mtd_partition *parts;
         int nbparts = 0;
-#endif
         int retval;
 
         if (data == NULL)
@@ -463,7 +461,6 @@ static int tmio_probe(struct platform_device *dev)
                 goto err_scan;
         }
         /* Register the partitions */
-#ifdef CONFIG_MTD_PARTITIONS
 #ifdef CONFIG_MTD_CMDLINE_PARTS
         nbparts = parse_mtd_partitions(mtd, part_probes, &parts, 0);
 #endif
@@ -472,12 +469,7 @@ static int tmio_probe(struct platform_device *dev)
                 nbparts = data->num_partitions;
         }
 
-        if (nbparts)
-                retval = add_mtd_partitions(mtd, parts, nbparts);
-        else
-#endif
-        retval = add_mtd_device(mtd);
-
+        retval = mtd_device_register(mtd, parts, nbparts);
         if (!retval)
                 return retval;
 
diff --git a/drivers/mtd/nand/txx9ndfmc.c b/drivers/mtd/nand/txx9ndfmc.c
index ca270a4881a4..bfba4e39a6c5 100644
--- a/drivers/mtd/nand/txx9ndfmc.c
+++ b/drivers/mtd/nand/txx9ndfmc.c
@@ -74,9 +74,7 @@ struct txx9ndfmc_drvdata {
         unsigned char hold;     /* in gbusclock */
         unsigned char spw;      /* in gbusclock */
         struct nand_hw_control hw_control;
-#ifdef CONFIG_MTD_PARTITIONS
         struct mtd_partition *parts[MAX_TXX9NDFMC_DEV];
-#endif
 };
 
 static struct platform_device *mtd_to_platdev(struct mtd_info *mtd)
@@ -289,9 +287,7 @@ static int txx9ndfmc_nand_scan(struct mtd_info *mtd)
 static int __init txx9ndfmc_probe(struct platform_device *dev)
 {
         struct txx9ndfmc_platform_data *plat = dev->dev.platform_data;
-#ifdef CONFIG_MTD_PARTITIONS
         static const char *probes[] = { "cmdlinepart", NULL };
-#endif
         int hold, spw;
         int i;
         struct txx9ndfmc_drvdata *drvdata;
@@ -337,9 +333,7 @@ static int __init txx9ndfmc_probe(struct platform_device *dev)
                 struct txx9ndfmc_priv *txx9_priv;
                 struct nand_chip *chip;
                 struct mtd_info *mtd;
-#ifdef CONFIG_MTD_PARTITIONS
                 int nr_parts;
-#endif
 
                 if (!(plat->ch_mask & (1 << i)))
                         continue;
@@ -399,13 +393,9 @@ static int __init txx9ndfmc_probe(struct platform_device *dev)
                 }
                 mtd->name = txx9_priv->mtdname;
 
-#ifdef CONFIG_MTD_PARTITIONS
                 nr_parts = parse_mtd_partitions(mtd, probes,
                                                 &drvdata->parts[i], 0);
-                if (nr_parts > 0)
-                        add_mtd_partitions(mtd, drvdata->parts[i], nr_parts);
-#endif
-                add_mtd_device(mtd);
+                mtd_device_register(mtd, drvdata->parts[i], nr_parts);
                 drvdata->mtds[i] = mtd;
         }
 
@@ -431,9 +421,7 @@ static int __exit txx9ndfmc_remove(struct platform_device *dev)
                 txx9_priv = chip->priv;
 
                 nand_release(mtd);
-#ifdef CONFIG_MTD_PARTITIONS
                 kfree(drvdata->parts[i]);
-#endif
                 kfree(txx9_priv->mtdname);
                 kfree(txx9_priv);
         }
diff --git a/drivers/mtd/onenand/Kconfig b/drivers/mtd/onenand/Kconfig
index 4f426195f8db..772ad2966619 100644
--- a/drivers/mtd/onenand/Kconfig
+++ b/drivers/mtd/onenand/Kconfig
@@ -1,7 +1,6 @@
 menuconfig MTD_ONENAND
         tristate "OneNAND Device Support"
         depends on MTD
-        select MTD_PARTITIONS
         help
           This enables support for accessing all type of OneNAND flash
           devices. For further information see
diff --git a/drivers/mtd/onenand/generic.c b/drivers/mtd/onenand/generic.c
index ac08750748a3..2d70d354d846 100644
--- a/drivers/mtd/onenand/generic.c
+++ b/drivers/mtd/onenand/generic.c
@@ -30,9 +30,7 @@
  */
 #define DRIVER_NAME     "onenand-flash"
 
-#ifdef CONFIG_MTD_PARTITIONS
 static const char *part_probes[] = { "cmdlinepart", NULL,  };
-#endif
 
 struct onenand_info {
         struct mtd_info         mtd;
@@ -75,15 +73,13 @@ static int __devinit generic_onenand_probe(struct platform_device *pdev)
                 goto out_iounmap;
         }
 
-#ifdef CONFIG_MTD_PARTITIONS
         err = parse_mtd_partitions(&info->mtd, part_probes, &info->parts, 0);
         if (err > 0)
-                add_mtd_partitions(&info->mtd, info->parts, err);
+                mtd_device_register(&info->mtd, info->parts, err);
         else if (err <= 0 && pdata && pdata->parts)
-                add_mtd_partitions(&info->mtd, pdata->parts, pdata->nr_parts);
+                mtd_device_register(&info->mtd, pdata->parts, pdata->nr_parts);
         else
-#endif
-                err = add_mtd_device(&info->mtd);
+                err = mtd_device_register(&info->mtd, NULL, 0);
 
         platform_set_drvdata(pdev, info);
 
@@ -108,11 +104,7 @@ static int __devexit generic_onenand_remove(struct platform_device *pdev)
         platform_set_drvdata(pdev, NULL);
 
         if (info) {
-                if (info->parts)
-                        del_mtd_partitions(&info->mtd);
-                else
-                        del_mtd_device(&info->mtd);
-
+                mtd_device_unregister(&info->mtd);
                 onenand_release(&info->mtd);
                 release_mem_region(res->start, size);
                 iounmap(info->onenand.base);
diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index 1fcb41adab07..a916dec29215 100644
--- a/drivers/mtd/onenand/omap2.c
+++ b/drivers/mtd/onenand/omap2.c
@@ -67,9 +67,7 @@ struct omap2_onenand {
         struct regulator *regulator;
 };
 
-#ifdef CONFIG_MTD_PARTITIONS
 static const char *part_probes[] = { "cmdlinepart", NULL,  };
-#endif
 
 static void omap2_onenand_dma_cb(int lch, u16 ch_status, void *data)
 {
@@ -755,15 +753,13 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
         if ((r = onenand_scan(&c->mtd, 1)) < 0)
                 goto err_release_regulator;
 
-#ifdef CONFIG_MTD_PARTITIONS
         r = parse_mtd_partitions(&c->mtd, part_probes, &c->parts, 0);
         if (r > 0)
-                r = add_mtd_partitions(&c->mtd, c->parts, r);
+                r = mtd_device_register(&c->mtd, c->parts, r);
         else if (pdata->parts != NULL)
-                r = add_mtd_partitions(&c->mtd, pdata->parts, pdata->nr_parts);
+                r = mtd_device_register(&c->mtd, pdata->parts, pdata->nr_parts);
         else
-#endif
-                r = add_mtd_device(&c->mtd);
+                r = mtd_device_register(&c->mtd, NULL, 0);
         if (r)
                 goto err_release_onenand;
 
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 56a8b2005bda..ac9e959802a7 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -65,11 +65,11 @@ MODULE_PARM_DESC(otp,	"Corresponding behaviour of OneNAND in OTP"
                         "          : 2 -> 1st Block lock"
                         "          : 3 -> BOTH OTP Block and 1st Block lock");
 
-/**
- *  onenand_oob_128 - oob info for Flex-Onenand with 4KB page
- *  For now, we expose only 64 out of 80 ecc bytes
+/*
+ * flexonenand_oob_128 - oob info for Flex-Onenand with 4KB page
+ * For now, we expose only 64 out of 80 ecc bytes
  */
-static struct nand_ecclayout onenand_oob_128 = {
+static struct nand_ecclayout flexonenand_oob_128 = {
         .eccbytes       = 64,
         .eccpos         = {
                 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
@@ -86,6 +86,35 @@ static struct nand_ecclayout onenand_oob_128 = {
         }
 };
 
+/*
+ * onenand_oob_128 - oob info for OneNAND with 4KB page
+ *
+ * Based on specification:
+ * 4Gb M-die OneNAND Flash (KFM4G16Q4M, KFN8G16Q4M). Rev. 1.3, Apr. 2010
+ *
+ * For eccpos we expose only 64 bytes out of 72 (see struct nand_ecclayout)
+ *
+ * oobfree uses the spare area fields marked as
+ * "Managed by internal ECC logic for Logical Sector Number area"
+ */
+static struct nand_ecclayout onenand_oob_128 = {
+        .eccbytes       = 64,
+        .eccpos         = {
+                7, 8, 9, 10, 11, 12, 13, 14, 15,
+                23, 24, 25, 26, 27, 28, 29, 30, 31,
+                39, 40, 41, 42, 43, 44, 45, 46, 47,
+                55, 56, 57, 58, 59, 60, 61, 62, 63,
+                71, 72, 73, 74, 75, 76, 77, 78, 79,
+                87, 88, 89, 90, 91, 92, 93, 94, 95,
+                103, 104, 105, 106, 107, 108, 109, 110, 111,
+                119
+        },
+        .oobfree        = {
+                {2, 3}, {18, 3}, {34, 3}, {50, 3},
+                {66, 3}, {82, 3}, {98, 3}, {114, 3}
+        }
+};
+
 /**
  * onenand_oob_64 - oob info for large (2KB) page
  */
@@ -2424,7 +2453,7 @@ static int onenand_block_by_block_erase(struct mtd_info *mtd,
                 len -= block_size;
                 addr += block_size;
 
-                if (addr == region_end) {
+                if (region && addr == region_end) {
                         if (!len)
                                 break;
                         region++;
@@ -4018,8 +4047,13 @@ int onenand_scan(struct mtd_info *mtd, int maxchips)
          */
         switch (mtd->oobsize) {
         case 128:
-                this->ecclayout = &onenand_oob_128;
-                mtd->subpage_sft = 0;
+                if (FLEXONENAND(this)) {
+                        this->ecclayout = &flexonenand_oob_128;
+                        mtd->subpage_sft = 0;
+                } else {
+                        this->ecclayout = &onenand_oob_128;
+                        mtd->subpage_sft = 2;
+                }
                 break;
         case 64:
                 this->ecclayout = &onenand_oob_64;
@@ -4108,12 +4142,8 @@ void onenand_release(struct mtd_info *mtd)
 {
         struct onenand_chip *this = mtd->priv;
 
-#ifdef CONFIG_MTD_PARTITIONS
         /* Deregister partitions */
-        del_mtd_partitions (mtd);
-#endif
-        /* Deregister the device */
-        del_mtd_device (mtd);
+        mtd_device_unregister(mtd);
 
         /* Free bad block table memory, if allocated */
         if (this->bbm) {
diff --git a/drivers/mtd/onenand/onenand_sim.c b/drivers/mtd/onenand/onenand_sim.c
index 5ef3bd547772..85399e3accda 100644
--- a/drivers/mtd/onenand/onenand_sim.c
+++ b/drivers/mtd/onenand/onenand_sim.c
@@ -539,7 +539,8 @@ static int __init onenand_sim_init(void)
                 return -ENXIO;
         }
 
-        add_mtd_partitions(&info->mtd, info->parts, ARRAY_SIZE(os_partitions));
+        mtd_device_register(&info->mtd, info->parts,
+                            ARRAY_SIZE(os_partitions));
 
         return 0;
 }
diff --git a/drivers/mtd/onenand/samsung.c b/drivers/mtd/onenand/samsung.c
index a4c74a9ba430..3306b5b3c736 100644
--- a/drivers/mtd/onenand/samsung.c
+++ b/drivers/mtd/onenand/samsung.c
@@ -147,9 +147,7 @@ struct s3c_onenand {
         struct resource *dma_res;
         unsigned long   phys_base;
         struct completion       complete;
-#ifdef CONFIG_MTD_PARTITIONS
         struct mtd_partition *parts;
-#endif
 };
 
 #define CMD_MAP_00(dev, addr)           (dev->cmd_map(MAP_00, ((addr) << 1)))
@@ -159,9 +157,7 @@ struct s3c_onenand {
 
 static struct s3c_onenand *onenand;
 
-#ifdef CONFIG_MTD_PARTITIONS
 static const char *part_probes[] = { "cmdlinepart", NULL, };
-#endif
 
 static inline int s3c_read_reg(int offset)
 {
@@ -1021,15 +1017,13 @@ static int s3c_onenand_probe(struct platform_device *pdev)
         if (s3c_read_reg(MEM_CFG_OFFSET) & ONENAND_SYS_CFG1_SYNC_READ)
                 dev_info(&onenand->pdev->dev, "OneNAND Sync. Burst Read enabled\n");
 
-#ifdef CONFIG_MTD_PARTITIONS
         err = parse_mtd_partitions(mtd, part_probes, &onenand->parts, 0);
         if (err > 0)
-                add_mtd_partitions(mtd, onenand->parts, err);
+                mtd_device_register(mtd, onenand->parts, err);
         else if (err <= 0 && pdata && pdata->parts)
-                add_mtd_partitions(mtd, pdata->parts, pdata->nr_parts);
+                mtd_device_register(mtd, pdata->parts, pdata->nr_parts);
         else
-#endif
-                err = add_mtd_device(mtd);
+                err = mtd_device_register(mtd, NULL, 0);
 
         platform_set_drvdata(pdev, mtd);
 
diff --git a/drivers/mtd/ubi/gluebi.c b/drivers/mtd/ubi/gluebi.c
index 9aa81584c8a2..941bc3c05d6e 100644
--- a/drivers/mtd/ubi/gluebi.c
+++ b/drivers/mtd/ubi/gluebi.c
@@ -365,7 +365,7 @@ static int gluebi_create(struct ubi_device_info *di,
                         vi->vol_id);
         mutex_unlock(&devices_mutex);
 
-        if (add_mtd_device(mtd)) {
+        if (mtd_device_register(mtd, NULL, 0)) {
                 err_msg("cannot add MTD device");
                 kfree(mtd->name);
                 kfree(gluebi);
@@ -407,7 +407,7 @@ static int gluebi_remove(struct ubi_volume_info *vi)
                 return err;
 
         mtd = &gluebi->mtd;
-        err = del_mtd_device(mtd);
+        err = mtd_device_unregister(mtd);
         if (err) {
                 err_msg("cannot remove fake MTD device %d, UBI device %d, "
                         "volume %d, error %d", mtd->index, gluebi->ubi_num,
@@ -524,7 +524,7 @@ static void __exit ubi_gluebi_exit(void)
                 int err;
                 struct mtd_info *mtd = &gluebi->mtd;
 
-                err = del_mtd_device(mtd);
+                err = mtd_device_unregister(mtd);
                 if (err)
                         err_msg("error %d while removing gluebi MTD device %d, "
                                 "UBI device %d, volume %d - ignoring", err,
diff --git a/drivers/net/sfc/mtd.c b/drivers/net/sfc/mtd.c
index e646bfce2d84..b6304486f244 100644
--- a/drivers/net/sfc/mtd.c
+++ b/drivers/net/sfc/mtd.c
@@ -216,7 +216,7 @@ static void efx_mtd_remove_partition(struct efx_mtd_partition *part)
         int rc;
 
         for (;;) {
-                rc = del_mtd_device(&part->mtd);
+                rc = mtd_device_unregister(&part->mtd);
                 if (rc != -EBUSY)
                         break;
                 ssleep(1);
@@ -268,7 +268,7 @@ static int efx_mtd_probe_device(struct efx_nic *efx, struct efx_mtd *efx_mtd)
                 part->mtd.write = efx_mtd->ops->write;
                 part->mtd.sync = efx_mtd_sync;
 
-                if (add_mtd_device(&part->mtd))
+                if (mtd_device_register(&part->mtd, NULL, 0))
                         goto fail;
         }
 
@@ -280,7 +280,7 @@ fail:
                 --part;
                 efx_mtd_remove_partition(part);
         }
-        /* add_mtd_device() returns 1 if the MTD table is full */
+        /* mtd_device_register() returns 1 if the MTD table is full */
         return -ENOMEM;
 }
 
diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c
index 05f73328b28b..9a1e86fc1362 100644
--- a/fs/jffs2/dir.c
+++ b/fs/jffs2/dir.c
@@ -75,7 +75,6 @@ static struct dentry *jffs2_lookup(struct inode *dir_i, struct dentry *target,
                                    struct nameidata *nd)
 {
         struct jffs2_inode_info *dir_f;
-        struct jffs2_sb_info *c;
         struct jffs2_full_dirent *fd = NULL, *fd_list;
         uint32_t ino = 0;
         struct inode *inode = NULL;
@@ -86,7 +85,6 @@ static struct dentry *jffs2_lookup(struct inode *dir_i, struct dentry *target,
                 return ERR_PTR(-ENAMETOOLONG);
 
         dir_f = JFFS2_INODE_INFO(dir_i);
-        c = JFFS2_SB_INFO(dir_i->i_sb);
 
         mutex_lock(&dir_f->sem);
 
@@ -119,7 +117,6 @@ static struct dentry *jffs2_lookup(struct inode *dir_i, struct dentry *target,
 static int jffs2_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
         struct jffs2_inode_info *f;
-        struct jffs2_sb_info *c;
         struct inode *inode = filp->f_path.dentry->d_inode;
         struct jffs2_full_dirent *fd;
         unsigned long offset, curofs;
@@ -127,7 +124,6 @@ static int jffs2_readdir(struct file *filp, void *dirent, filldir_t filldir)
         D1(printk(KERN_DEBUG "jffs2_readdir() for dir_i #%lu\n", filp->f_path.dentry->d_inode->i_ino));
 
         f = JFFS2_INODE_INFO(inode);
-        c = JFFS2_SB_INFO(inode->i_sb);
 
         offset = filp->f_pos;
 
diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c
index b632dddcb482..8d8cd3419d02 100644
--- a/fs/jffs2/scan.c
+++ b/fs/jffs2/scan.c
@@ -94,7 +94,7 @@ int jffs2_scan_medium(struct jffs2_sb_info *c)
         uint32_t buf_size = 0;
         struct jffs2_summary *s = NULL; /* summary info collected by the scan process */
 #ifndef __ECOS
-        size_t pointlen;
+        size_t pointlen, try_size;
 
         if (c->mtd->point) {
                 ret = c->mtd->point(c->mtd, 0, c->mtd->size, &pointlen,
@@ -113,18 +113,21 @@ int jffs2_scan_medium(struct jffs2_sb_info *c)
                 /* For NAND it's quicker to read a whole eraseblock at a time,
                    apparently */
                 if (jffs2_cleanmarker_oob(c))
-                        buf_size = c->sector_size;
+                        try_size = c->sector_size;
                 else
-                        buf_size = PAGE_SIZE;
+                        try_size = PAGE_SIZE;
 
-                /* Respect kmalloc limitations */
-                if (buf_size > 128*1024)
-                        buf_size = 128*1024;
+                D1(printk(KERN_DEBUG "Trying to allocate readbuf of %zu "
+                        "bytes\n", try_size));
 
-                D1(printk(KERN_DEBUG "Allocating readbuf of %d bytes\n", buf_size));
-                flashbuf = kmalloc(buf_size, GFP_KERNEL);
+                flashbuf = mtd_kmalloc_up_to(c->mtd, &try_size);
                 if (!flashbuf)
                         return -ENOMEM;
+
+                D1(printk(KERN_DEBUG "Allocated readbuf of %zu bytes\n",
+                        try_size));
+
+                buf_size = (uint32_t)try_size;
         }
 
         if (jffs2_sum_active()) {
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 9d5306bad117..2541fb848daa 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -322,9 +322,12 @@ static inline uint32_t mtd_mod_by_ws(uint64_t sz, struct mtd_info *mtd)
 
         /* Kernel-side ioctl definitions */
 
-extern int add_mtd_device(struct mtd_info *mtd);
-extern int del_mtd_device (struct mtd_info *mtd);
+struct mtd_partition;
 
+extern int mtd_device_register(struct mtd_info *master,
+                               const struct mtd_partition *parts,
+                               int nr_parts);
+extern int mtd_device_unregister(struct mtd_info *master);
 extern struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num);
 extern int __get_mtd_device(struct mtd_info *mtd);
 extern void __put_mtd_device(struct mtd_info *mtd);
@@ -348,15 +351,9 @@ int default_mtd_writev(struct mtd_info *mtd, const struct kvec *vecs,
 int default_mtd_readv(struct mtd_info *mtd, struct kvec *vecs,
                       unsigned long count, loff_t from, size_t *retlen);
 
-#ifdef CONFIG_MTD_PARTITIONS
+void *mtd_kmalloc_up_to(const struct mtd_info *mtd, size_t *size);
+
 void mtd_erase_callback(struct erase_info *instr);
-#else
-static inline void mtd_erase_callback(struct erase_info *instr)
-{
-        if (instr->callback)
-                instr->callback(instr);
-}
-#endif
 
 /*
  * Debugging macro and defines
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index d44192740f6f..c2b9ac4fbc4a 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -237,9 +237,9 @@ typedef enum {
  * If passed additionally to NAND_USE_FLASH_BBT then BBT code will not touch
  * the OOB area.
  */
-#define NAND_USE_FLASH_BBT_NO_OOB       0x00100000
+#define NAND_USE_FLASH_BBT_NO_OOB       0x00800000
 /* Create an empty BBT with no vendor information if the BBT is available */
-#define NAND_CREATE_EMPTY_BBT           0x00200000
+#define NAND_CREATE_EMPTY_BBT           0x01000000
 
 /* Options set by nand scan */
 /* Nand scan has allocated controller struct */
diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h
index 4a0a8ba90a72..3a6f0372fc96 100644
--- a/include/linux/mtd/partitions.h
+++ b/include/linux/mtd/partitions.h
@@ -16,7 +16,7 @@
  * Partition definition structure:
  *
  * An array of struct partition is passed along with a MTD object to
- * add_mtd_partitions() to create them.
+ * mtd_device_register() to create them.
  *
  * For each partition, these fields are available:
  * name: string that will be used to label the partition's MTD device.
@@ -49,9 +49,6 @@ struct mtd_partition {
 
 struct mtd_info;
 
-int add_mtd_partitions(struct mtd_info *, const struct mtd_partition *, int);
-int del_mtd_partitions(struct mtd_info *);
-
 /*
  * Functions dealing with the various ways of partitioning the space
  */
@@ -73,14 +70,17 @@ extern int parse_mtd_partitions(struct mtd_info *master, const char **types,
 struct device;
 struct device_node;
 
+#ifdef CONFIG_MTD_OF_PARTS
 int __devinit of_mtd_parse_partitions(struct device *dev,
                                       struct device_node *node,
                                       struct mtd_partition **pparts);
-
-#ifdef CONFIG_MTD_PARTITIONS
-static inline int mtd_has_partitions(void) { return 1; }
 #else
-static inline int mtd_has_partitions(void) { return 0; }
+static inline int of_mtd_parse_partitions(struct device *dev,
+                                          struct device_node *node,
+                                          struct mtd_partition **pparts)
+{
+        return 0;
+}
 #endif
 
 #ifdef CONFIG_MTD_CMDLINE_PARTS
diff --git a/include/linux/mtd/physmap.h b/include/linux/mtd/physmap.h
index 49b959029417..d40bfa1d9c91 100644
--- a/include/linux/mtd/physmap.h
+++ b/include/linux/mtd/physmap.h
@@ -37,8 +37,6 @@ struct physmap_flash_data {
 void physmap_configure(unsigned long addr, unsigned long size,
                 int bankwidth, void (*set_vpp)(struct map_info *, int) );
 
-#ifdef CONFIG_MTD_PARTITIONS
-
 /*
  * Machines that wish to do flash partition may want to call this function in
  * their setup routine.
@@ -50,6 +48,4 @@ void physmap_configure(unsigned long addr, unsigned long size,
  */
 void physmap_set_partitions(struct mtd_partition *parts, int num_parts);
 
-#endif /* defined(CONFIG_MTD_PARTITIONS) */
-
 #endif /* __LINUX_MTD_PHYSMAP__ */