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

* git://git.infradead.org/mtd-2.6:
  [MTD] [NAND] drivers/mtd/nand/nandsim.c: fix printk warnings
  [MTD] [NAND] Blackfin NFC Driver: Cleanup the error exit path of bf5xx_nand_probe function
  [MTD] [NAND] Blackfin NFC Driver: use standard dev_err() rather than printk()
  [MTD] [NAND] Blackfin NFC Driver: enable Blackfin nand HWECC support by default
  [MTD] [NAND] Blackfin NFC Driver: add proper devinit/devexit markings to probe/remove functions
  [MTD] [NAND] Blackfin NFC Driver: add support for the ECC layout the Blackfin bootrom uses
  [MTD] [NAND] Blackfin NFC Driver: fix bug - hw ecc calc by making sure we extract 11 bits from each register instead of 10
  [MTD] [NAND] Blackfin NFC Driver: fix bug - do not clobber the status from the first 256 bytes if operating on 512 pages
  [MTD] [NAND] diskonchip.c fix sparse endian warnings
  [MTD] [NAND] drivers/mtd/nand/nandsim.c needs div64.h
  [JFFS2] Fix allocation of summary buffer
  Fix rename of at91_nand -> atmel_nand
  [MTD] [NOR] drivers/mtd/chips/jedec_probe.c: fix Am29DL800BB device ID
  [MTD] MTD_DEBUG always does compile-time typechecks
  [MTD] DataFlash: bugfix, binary page sizes now handled
  [MTD] [NAND] fsl_elbc_nand.c: fix printk warning
  [MTD] [NAND] nandsim: support random page read command
  [MTD] [NAND] fix subpage read for small page NAND

39 files changed, 321 insertions, 173 deletions

diff --git a/arch/arm/configs/at91cap9adk_defconfig b/arch/arm/configs/at91cap9adk_defconfig
index be2b2f38fd9..bf97801a106 100644
--- a/arch/arm/configs/at91cap9adk_defconfig
+++ b/arch/arm/configs/at91cap9adk_defconfig
@@ -170,7 +170,7 @@ CONFIG_MACH_AT91CAP9ADK=y
 # AT91 Board Options
 #
 CONFIG_MTD_AT91_DATAFLASH_CARD=y
-# CONFIG_MTD_NAND_AT91_BUSWIDTH_16 is not set
+# CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16 is not set
 
 #
 # AT91 Feature Selections
@@ -442,7 +442,7 @@ CONFIG_MTD_NAND=y
 # CONFIG_MTD_NAND_MUSEUM_IDS is not set
 CONFIG_MTD_NAND_IDS=y
 # CONFIG_MTD_NAND_DISKONCHIP is not set
-CONFIG_MTD_NAND_AT91=y
+CONFIG_MTD_NAND_ATMEL=y
 # CONFIG_MTD_NAND_NANDSIM is not set
 # CONFIG_MTD_NAND_PLATFORM is not set
 # CONFIG_MTD_ALAUDA is not set
diff --git a/arch/arm/configs/at91sam9260ek_defconfig b/arch/arm/configs/at91sam9260ek_defconfig
index 2011adfa675..38e6a0abeb4 100644
--- a/arch/arm/configs/at91sam9260ek_defconfig
+++ b/arch/arm/configs/at91sam9260ek_defconfig
@@ -176,7 +176,7 @@ CONFIG_MACH_AT91SAM9260EK=y
 # AT91 Board Options
 #
 # CONFIG_MTD_AT91_DATAFLASH_CARD is not set
-# CONFIG_MTD_NAND_AT91_BUSWIDTH_16 is not set
+# CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16 is not set
 
 #
 # AT91 Feature Selections
diff --git a/arch/arm/configs/at91sam9261ek_defconfig b/arch/arm/configs/at91sam9261ek_defconfig
index 4049768962d..93b779f94b4 100644
--- a/arch/arm/configs/at91sam9261ek_defconfig
+++ b/arch/arm/configs/at91sam9261ek_defconfig
@@ -169,7 +169,7 @@ CONFIG_MACH_AT91SAM9261EK=y
 # AT91 Board Options
 #
 # CONFIG_MTD_AT91_DATAFLASH_CARD is not set
-# CONFIG_MTD_NAND_AT91_BUSWIDTH_16 is not set
+# CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16 is not set
 
 #
 # AT91 Feature Selections
@@ -433,7 +433,7 @@ CONFIG_MTD_NAND=y
 # CONFIG_MTD_NAND_MUSEUM_IDS is not set
 CONFIG_MTD_NAND_IDS=y
 # CONFIG_MTD_NAND_DISKONCHIP is not set
-CONFIG_MTD_NAND_AT91=y
+CONFIG_MTD_NAND_ATMEL=y
 # CONFIG_MTD_NAND_NANDSIM is not set
 # CONFIG_MTD_NAND_PLATFORM is not set
 # CONFIG_MTD_ALAUDA is not set
diff --git a/arch/arm/configs/at91sam9263ek_defconfig b/arch/arm/configs/at91sam9263ek_defconfig
index fa1c5aecb5a..a7ddd94363c 100644
--- a/arch/arm/configs/at91sam9263ek_defconfig
+++ b/arch/arm/configs/at91sam9263ek_defconfig
@@ -169,7 +169,7 @@ CONFIG_MACH_AT91SAM9263EK=y
 # AT91 Board Options
 #
 CONFIG_MTD_AT91_DATAFLASH_CARD=y
-# CONFIG_MTD_NAND_AT91_BUSWIDTH_16 is not set
+# CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16 is not set
 
 #
 # AT91 Feature Selections
@@ -428,7 +428,7 @@ CONFIG_MTD_NAND=y
 # CONFIG_MTD_NAND_MUSEUM_IDS is not set
 CONFIG_MTD_NAND_IDS=y
 # CONFIG_MTD_NAND_DISKONCHIP is not set
-CONFIG_MTD_NAND_AT91=y
+CONFIG_MTD_NAND_ATMEL=y
 # CONFIG_MTD_NAND_NANDSIM is not set
 # CONFIG_MTD_NAND_PLATFORM is not set
 # CONFIG_MTD_ALAUDA is not set
diff --git a/arch/arm/configs/at91sam9g20ek_defconfig b/arch/arm/configs/at91sam9g20ek_defconfig
index c0686384736..df0d6ee672b 100644
--- a/arch/arm/configs/at91sam9g20ek_defconfig
+++ b/arch/arm/configs/at91sam9g20ek_defconfig
@@ -168,7 +168,7 @@ CONFIG_MACH_AT91SAM9G20EK=y
 # AT91 Board Options
 #
 # CONFIG_MTD_AT91_DATAFLASH_CARD is not set
-# CONFIG_MTD_NAND_AT91_BUSWIDTH_16 is not set
+# CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16 is not set
 
 #
 # AT91 Feature Selections
@@ -442,10 +442,10 @@ CONFIG_MTD_NAND=y
 # CONFIG_MTD_NAND_MUSEUM_IDS is not set
 CONFIG_MTD_NAND_IDS=y
 # CONFIG_MTD_NAND_DISKONCHIP is not set
-CONFIG_MTD_NAND_AT91=y
-CONFIG_MTD_NAND_AT91_ECC_SOFT=y
-# CONFIG_MTD_NAND_AT91_ECC_HW is not set
-# CONFIG_MTD_NAND_AT91_ECC_NONE is not set
+CONFIG_MTD_NAND_ATMEL=y
+CONFIG_MTD_NAND_ATMEL_ECC_SOFT=y
+# CONFIG_MTD_NAND_ATMEL_ECC_HW is not set
+# CONFIG_MTD_NAND_ATMEL_ECC_NONE is not set
 # CONFIG_MTD_NAND_NANDSIM is not set
 # CONFIG_MTD_NAND_PLATFORM is not set
 # CONFIG_MTD_ALAUDA is not set
diff --git a/arch/arm/configs/at91sam9rlek_defconfig b/arch/arm/configs/at91sam9rlek_defconfig
index d8ec5f9ca6e..1c76642272a 100644
--- a/arch/arm/configs/at91sam9rlek_defconfig
+++ b/arch/arm/configs/at91sam9rlek_defconfig
@@ -392,7 +392,7 @@ CONFIG_MTD_NAND=y
 # CONFIG_MTD_NAND_MUSEUM_IDS is not set
 CONFIG_MTD_NAND_IDS=y
 # CONFIG_MTD_NAND_DISKONCHIP is not set
-CONFIG_MTD_NAND_AT91=y
+CONFIG_MTD_NAND_ATMEL=y
 # CONFIG_MTD_NAND_NANDSIM is not set
 # CONFIG_MTD_NAND_PLATFORM is not set
 # CONFIG_MTD_ONENAND is not set
diff --git a/arch/arm/configs/cam60_defconfig b/arch/arm/configs/cam60_defconfig
index f3cd4a95373..f945105d6cd 100644
--- a/arch/arm/configs/cam60_defconfig
+++ b/arch/arm/configs/cam60_defconfig
@@ -466,10 +466,10 @@ CONFIG_MTD_NAND_VERIFY_WRITE=y
 # CONFIG_MTD_NAND_MUSEUM_IDS is not set
 CONFIG_MTD_NAND_IDS=y
 # CONFIG_MTD_NAND_DISKONCHIP is not set
-CONFIG_MTD_NAND_AT91=y
-# CONFIG_MTD_NAND_AT91_ECC_SOFT is not set
-CONFIG_MTD_NAND_AT91_ECC_HW=y
-# CONFIG_MTD_NAND_AT91_ECC_NONE is not set
+CONFIG_MTD_NAND_ATMEL=y
+# CONFIG_MTD_NAND_ATMEL_ECC_SOFT is not set
+CONFIG_MTD_NAND_ATMEL_ECC_HW=y
+# CONFIG_MTD_NAND_ATMEL_ECC_NONE is not set
 # CONFIG_MTD_NAND_NANDSIM is not set
 # CONFIG_MTD_NAND_PLATFORM is not set
 # CONFIG_MTD_ALAUDA is not set
diff --git a/arch/arm/configs/qil-a9260_defconfig b/arch/arm/configs/qil-a9260_defconfig
index ef903bed061..5cbd8158964 100644
--- a/arch/arm/configs/qil-a9260_defconfig
+++ b/arch/arm/configs/qil-a9260_defconfig
@@ -458,10 +458,10 @@ CONFIG_MTD_NAND=y
 # CONFIG_MTD_NAND_MUSEUM_IDS is not set
 CONFIG_MTD_NAND_IDS=y
 # CONFIG_MTD_NAND_DISKONCHIP is not set
-CONFIG_MTD_NAND_AT91=y
-CONFIG_MTD_NAND_AT91_ECC_SOFT=y
-# CONFIG_MTD_NAND_AT91_ECC_HW is not set
-# CONFIG_MTD_NAND_AT91_ECC_NONE is not set
+CONFIG_MTD_NAND_ATMEL=y
+CONFIG_MTD_NAND_ATMEL_ECC_SOFT=y
+# CONFIG_MTD_NAND_ATMEL_ECC_HW is not set
+# CONFIG_MTD_NAND_ATMEL_ECC_NONE is not set
 # CONFIG_MTD_NAND_NANDSIM is not set
 # CONFIG_MTD_NAND_PLATFORM is not set
 # CONFIG_MTD_ALAUDA is not set
diff --git a/arch/arm/configs/sam9_l9260_defconfig b/arch/arm/configs/sam9_l9260_defconfig
index 8688362bcf7..1174e276487 100644
--- a/arch/arm/configs/sam9_l9260_defconfig
+++ b/arch/arm/configs/sam9_l9260_defconfig
@@ -429,7 +429,7 @@ CONFIG_MTD_NAND=y
 # CONFIG_MTD_NAND_MUSEUM_IDS is not set
 CONFIG_MTD_NAND_IDS=y
 # CONFIG_MTD_NAND_DISKONCHIP is not set
-CONFIG_MTD_NAND_AT91=y
+CONFIG_MTD_NAND_ATMEL=y
 # CONFIG_MTD_NAND_NANDSIM is not set
 CONFIG_MTD_NAND_PLATFORM=y
 # CONFIG_MTD_ONENAND is not set
diff --git a/arch/arm/configs/usb-a9260_defconfig b/arch/arm/configs/usb-a9260_defconfig
index 3680bd2df26..fcb4aaabd43 100644
--- a/arch/arm/configs/usb-a9260_defconfig
+++ b/arch/arm/configs/usb-a9260_defconfig
@@ -458,10 +458,10 @@ CONFIG_MTD_NAND=y
 # CONFIG_MTD_NAND_MUSEUM_IDS is not set
 CONFIG_MTD_NAND_IDS=y
 # CONFIG_MTD_NAND_DISKONCHIP is not set
-CONFIG_MTD_NAND_AT91=y
-CONFIG_MTD_NAND_AT91_ECC_SOFT=y
-# CONFIG_MTD_NAND_AT91_ECC_HW is not set
-# CONFIG_MTD_NAND_AT91_ECC_NONE is not set
+CONFIG_MTD_NAND_ATMEL=y
+CONFIG_MTD_NAND_ATMEL_ECC_SOFT=y
+# CONFIG_MTD_NAND_ATMEL_ECC_HW is not set
+# CONFIG_MTD_NAND_ATMEL_ECC_NONE is not set
 # CONFIG_MTD_NAND_NANDSIM is not set
 # CONFIG_MTD_NAND_PLATFORM is not set
 # CONFIG_MTD_ALAUDA is not set
diff --git a/arch/arm/configs/usb-a9263_defconfig b/arch/arm/configs/usb-a9263_defconfig
index 48d455bc736..b786e0407e8 100644
--- a/arch/arm/configs/usb-a9263_defconfig
+++ b/arch/arm/configs/usb-a9263_defconfig
@@ -450,10 +450,10 @@ CONFIG_MTD_NAND=y
 # CONFIG_MTD_NAND_MUSEUM_IDS is not set
 CONFIG_MTD_NAND_IDS=y
 # CONFIG_MTD_NAND_DISKONCHIP is not set
-CONFIG_MTD_NAND_AT91=y
-CONFIG_MTD_NAND_AT91_ECC_SOFT=y
-# CONFIG_MTD_NAND_AT91_ECC_HW is not set
-# CONFIG_MTD_NAND_AT91_ECC_NONE is not set
+CONFIG_MTD_NAND_ATMEL=y
+CONFIG_MTD_NAND_ATMEL_ECC_SOFT=y
+# CONFIG_MTD_NAND_ATMEL_ECC_HW is not set
+# CONFIG_MTD_NAND_ATMEL_ECC_NONE is not set
 # CONFIG_MTD_NAND_NANDSIM is not set
 # CONFIG_MTD_NAND_PLATFORM is not set
 # CONFIG_MTD_ALAUDA is not set
diff --git a/arch/arm/configs/yl9200_defconfig b/arch/arm/configs/yl9200_defconfig
index 26de37f7468..a9f41c24c9d 100644
--- a/arch/arm/configs/yl9200_defconfig
+++ b/arch/arm/configs/yl9200_defconfig
@@ -421,7 +421,7 @@ CONFIG_MTD_NAND=y
 # CONFIG_MTD_NAND_ECC_SMC is not set
 # CONFIG_MTD_NAND_MUSEUM_IDS is not set
 CONFIG_MTD_NAND_IDS=y
-CONFIG_MTD_NAND_AT91=y
+CONFIG_MTD_NAND_ATMEL=y
 # CONFIG_MTD_NAND_NANDSIM is not set
 CONFIG_MTD_NAND_PLATFORM=y
 # CONFIG_MTD_ALAUDA is not set
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 5bad6b9b00d..a048b92cb40 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -297,7 +297,7 @@ config MTD_AT91_DATAFLASH_CARD
 	help
 	  Enable support for the DataFlash card.
 
-config MTD_NAND_AT91_BUSWIDTH_16
+config MTD_NAND_ATMEL_BUSWIDTH_16
 	bool "Enable 16-bit data bus interface to NAND flash"
 	depends on (MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK || MACH_AT91SAM9G20EK || MACH_AT91CAP9ADK)
 	help
diff --git a/arch/arm/mach-at91/at91cap9_devices.c b/arch/arm/mach-at91/at91cap9_devices.c
index dc8b40783d9..25765f1afca 100644
--- a/arch/arm/mach-at91/at91cap9_devices.c
+++ b/arch/arm/mach-at91/at91cap9_devices.c
@@ -376,7 +376,7 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
  *  NAND / SmartMedia
  * -------------------------------------------------------------------- */
 
-#if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE)
+#if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
 static struct atmel_nand_data nand_data;
 
 #define NAND_BASE	AT91_CHIPSELECT_3
diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
index 8ced9bc8209..d2c5c84bf6b 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -368,7 +368,7 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
  *  NAND / SmartMedia
  * -------------------------------------------------------------------- */
 
-#if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE)
+#if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
 static struct atmel_nand_data nand_data;
 
 #define NAND_BASE	AT91_CHIPSELECT_3
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index cae5f52f127..f5fec0a9cf4 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -283,7 +283,7 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
  *  NAND / SmartMedia
  * -------------------------------------------------------------------- */
 
-#if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE)
+#if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
 static struct atmel_nand_data nand_data;
 
 #define NAND_BASE	AT91_CHIPSELECT_3
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 483d436af22..b80860e3138 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -198,7 +198,7 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
  *  NAND / SmartMedia
  * -------------------------------------------------------------------- */
 
-#if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE)
+#if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
 static struct atmel_nand_data nand_data;
 
 #define NAND_BASE	AT91_CHIPSELECT_3
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 9762b15f658..42108d02f59 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -352,7 +352,7 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
  *  NAND / SmartMedia
  * -------------------------------------------------------------------- */
 
-#if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE)
+#if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
 static struct atmel_nand_data nand_data;
 
 #define NAND_BASE	AT91_CHIPSELECT_3
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index 5f3094870ca..9c61576f1c8 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -194,7 +194,7 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
  *  NAND / SmartMedia
  * -------------------------------------------------------------------- */
 
-#if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE)
+#if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
 static struct atmel_nand_data nand_data;
 
 #define NAND_BASE	AT91_CHIPSELECT_3
diff --git a/arch/arm/mach-at91/board-cap9adk.c b/arch/arm/mach-at91/board-cap9adk.c
index 117cf6c9afc..1f4725972ed 100644
--- a/arch/arm/mach-at91/board-cap9adk.c
+++ b/arch/arm/mach-at91/board-cap9adk.c
@@ -188,7 +188,7 @@ static struct atmel_nand_data __initdata cap9adk_nand_data = {
 //	.rdy_pin	= ... not connected
 	.enable_pin	= AT91_PIN_PD15,
 	.partition_info	= nand_partitions,
-#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
+#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
 	.bus_width_16	= 1,
 #else
 	.bus_width_16	= 0,
diff --git a/arch/arm/mach-at91/board-qil-a9260.c b/arch/arm/mach-at91/board-qil-a9260.c
index 99b4ec3818d..33b1ccdb516 100644
--- a/arch/arm/mach-at91/board-qil-a9260.c
+++ b/arch/arm/mach-at91/board-qil-a9260.c
@@ -140,14 +140,14 @@ static struct mtd_partition * __init nand_partitions(int size, int *num_partitio
 	return ek_nand_partition;
 }
 
-static struct at91_nand_data __initdata ek_nand_data = {
+static struct atmel_nand_data __initdata ek_nand_data = {
 	.ale		= 21,
 	.cle		= 22,
 //	.det_pin	= ... not connected
 	.rdy_pin	= AT91_PIN_PC13,
 	.enable_pin	= AT91_PIN_PC14,
 	.partition_info	= nand_partitions,
-#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
+#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
 	.bus_width_16	= 1,
 #else
 	.bus_width_16	= 0,
diff --git a/arch/arm/mach-at91/board-sam9-l9260.c b/arch/arm/mach-at91/board-sam9-l9260.c
index 57a6221943e..3cd5f8d0e2e 100644
--- a/arch/arm/mach-at91/board-sam9-l9260.c
+++ b/arch/arm/mach-at91/board-sam9-l9260.c
@@ -148,7 +148,7 @@ static struct atmel_nand_data __initdata ek_nand_data = {
 	.rdy_pin	= AT91_PIN_PC13,
 	.enable_pin	= AT91_PIN_PC14,
 	.partition_info	= nand_partitions,
-#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
+#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
 	.bus_width_16	= 1,
 #else
 	.bus_width_16	= 0,
diff --git a/arch/arm/mach-at91/board-sam9260ek.c b/arch/arm/mach-at91/board-sam9260ek.c
index 6a680795c3c..daf93a58806 100644
--- a/arch/arm/mach-at91/board-sam9260ek.c
+++ b/arch/arm/mach-at91/board-sam9260ek.c
@@ -185,7 +185,7 @@ static struct atmel_nand_data __initdata ek_nand_data = {
 	.rdy_pin	= AT91_PIN_PC13,
 	.enable_pin	= AT91_PIN_PC14,
 	.partition_info	= nand_partitions,
-#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
+#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
 	.bus_width_16	= 1,
 #else
 	.bus_width_16	= 0,
diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c
index 43dfbd0d543..12bf527f93b 100644
--- a/arch/arm/mach-at91/board-sam9261ek.c
+++ b/arch/arm/mach-at91/board-sam9261ek.c
@@ -190,7 +190,7 @@ static struct atmel_nand_data __initdata ek_nand_data = {
 	.rdy_pin	= AT91_PIN_PC15,
 	.enable_pin	= AT91_PIN_PC14,
 	.partition_info	= nand_partitions,
-#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
+#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
 	.bus_width_16	= 1,
 #else
 	.bus_width_16	= 0,
diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c
index 6605a098011..63121197f8c 100644
--- a/arch/arm/mach-at91/board-sam9263ek.c
+++ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -194,7 +194,7 @@ static struct atmel_nand_data __initdata ek_nand_data = {
 	.rdy_pin	= AT91_PIN_PA22,
 	.enable_pin	= AT91_PIN_PD15,
 	.partition_info	= nand_partitions,
-#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
+#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
 	.bus_width_16	= 1,
 #else
 	.bus_width_16	= 0,
diff --git a/arch/arm/mach-at91/board-sam9g20ek.c b/arch/arm/mach-at91/board-sam9g20ek.c
index 45617c20124..e0c07952cc3 100644
--- a/arch/arm/mach-at91/board-sam9g20ek.c
+++ b/arch/arm/mach-at91/board-sam9g20ek.c
@@ -143,13 +143,13 @@ static struct mtd_partition * __init nand_partitions(int size, int *num_partitio
 }
 
 /* det_pin is not connected */
-static struct at91_nand_data __initdata ek_nand_data = {
+static struct atmel_nand_data __initdata ek_nand_data = {
 	.ale		= 21,
 	.cle		= 22,
 	.rdy_pin	= AT91_PIN_PC13,
 	.enable_pin	= AT91_PIN_PC14,
 	.partition_info	= nand_partitions,
-#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
+#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
 	.bus_width_16	= 1,
 #else
 	.bus_width_16	= 0,
diff --git a/arch/arm/mach-at91/board-usb-a9260.c b/arch/arm/mach-at91/board-usb-a9260.c
index 837aedf8ffe..2f4ecac150d 100644
--- a/arch/arm/mach-at91/board-usb-a9260.c
+++ b/arch/arm/mach-at91/board-usb-a9260.c
@@ -114,14 +114,14 @@ static struct mtd_partition * __init nand_partitions(int size, int *num_partitio
 	return ek_nand_partition;
 }
 
-static struct at91_nand_data __initdata ek_nand_data = {
+static struct atmel_nand_data __initdata ek_nand_data = {
 	.ale		= 21,
 	.cle		= 22,
 //	.det_pin	= ... not connected
 	.rdy_pin	= AT91_PIN_PC13,
 	.enable_pin	= AT91_PIN_PC14,
 	.partition_info	= nand_partitions,
-#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
+#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
 	.bus_width_16	= 1,
 #else
 	.bus_width_16	= 0,
diff --git a/arch/arm/mach-at91/board-usb-a9263.c b/arch/arm/mach-at91/board-usb-a9263.c
index 95800d32bd4..0e9649d3eda 100644
--- a/arch/arm/mach-at91/board-usb-a9263.c
+++ b/arch/arm/mach-at91/board-usb-a9263.c
@@ -127,14 +127,14 @@ static struct mtd_partition * __init nand_partitions(int size, int *num_partitio
 	return ek_nand_partition;
 }
 
-static struct at91_nand_data __initdata ek_nand_data = {
+static struct atmel_nand_data __initdata ek_nand_data = {
 	.ale		= 21,
 	.cle		= 22,
 //	.det_pin	= ... not connected
 	.rdy_pin	= AT91_PIN_PA22,
 	.enable_pin	= AT91_PIN_PD15,
 	.partition_info	= nand_partitions,
-#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
+#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
 	.bus_width_16	= 1,
 #else
 	.bus_width_16	= 0,
diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c
index dbba5abf0db..f84ab618214 100644
--- a/drivers/mtd/chips/jedec_probe.c
+++ b/drivers/mtd/chips/jedec_probe.c
@@ -41,7 +41,7 @@
 
 
 /* AMD */
-#define AM29DL800BB	0x22C8
+#define AM29DL800BB	0x22CB
 #define AM29DL800BT	0x224A
 
 #define AM29F800BB	0x2258
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index 54e36bfc2c3..8bd0dea6885 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -15,6 +15,8 @@
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/mutex.h>
+#include <linux/err.h>
+
 #include <linux/spi/spi.h>
 #include <linux/spi/flash.h>
 
@@ -487,9 +489,8 @@ add_dataflash(struct spi_device *spi, char *name,
 	device->write = dataflash_write;
 	device->priv = priv;
 
-	dev_info(&spi->dev, "%s (%d KBytes) pagesize %d bytes, "
-		"erasesize %d bytes\n", name, device->size/1024,
-		 pagesize, pagesize * 8);	/* 8 pages = 1 block */
+	dev_info(&spi->dev, "%s (%d KBytes) pagesize %d bytes\n",
+			name, DIV_ROUND_UP(device->size, 1024), pagesize);
 	dev_set_drvdata(&spi->dev, priv);
 
 	if (mtd_has_partitions()) {
@@ -518,65 +519,57 @@ add_dataflash(struct spi_device *spi, char *name,
 	return add_mtd_device(device) == 1 ? -ENODEV : 0;
 }
 
-/*
- * Detect and initialize DataFlash device:
- *
- *   Device      Density         ID code          #Pages PageSize  Offset
- *   AT45DB011B  1Mbit   (128K)  xx0011xx (0x0c)    512    264      9
- *   AT45DB021B  2Mbit   (256K)  xx0101xx (0x14)   1024    264      9
- *   AT45DB041B  4Mbit   (512K)  xx0111xx (0x1c)   2048    264      9
- *   AT45DB081B  8Mbit   (1M)    xx1001xx (0x24)   4096    264      9
- *   AT45DB0161B 16Mbit  (2M)    xx1011xx (0x2c)   4096    528     10
- *   AT45DB0321B 32Mbit  (4M)    xx1101xx (0x34)   8192    528     10
- *   AT45DB0642  64Mbit  (8M)    xx111xxx (0x3c)   8192   1056     11
- *   AT45DB1282  128Mbit (16M)   xx0100xx (0x10)  16384   1056     11
- */
-
 struct flash_info {
 	char		*name;
 
-	/* JEDEC id zero means "no ID" (most older chips); otherwise it has
-	 * a high byte of zero plus three data bytes: the manufacturer id,
-	 * then a two byte device id.
+	/* JEDEC id has a high byte of zero plus three data bytes:
+	 * the manufacturer id, then a two byte device id.
 	 */
 	uint32_t	jedec_id;
 
-	/* The size listed here is what works with OPCODE_SE, which isn't
-	 * necessarily called a "sector" by the vendor.
-	 */
+	/* The size listed here is what works with OP_ERASE_PAGE. */
 	unsigned	nr_pages;
 	uint16_t	pagesize;
 	uint16_t	pageoffset;
 
 	uint16_t	flags;
-#define	SUP_POW2PS	0x02
-#define	IS_POW2PS	0x01
+#define SUP_POW2PS	0x0002		/* supports 2^N byte pages */
+#define IS_POW2PS	0x0001		/* uses 2^N byte pages */
 };
 
 static struct flash_info __devinitdata dataflash_data [] = {
 
-	{ "at45db011d",  0x1f2200, 512, 264, 9, SUP_POW2PS},
+	/*
+	 * NOTE:  chips with SUP_POW2PS (rev D and up) need two entries,
+	 * one with IS_POW2PS and the other without.  The entry with the
+	 * non-2^N byte page size can't name exact chip revisions without
+	 * losing backwards compatibility for cmdlinepart.
+	 *
+	 * These newer chips also support 128-byte security registers (with
+	 * 64 bytes one-time-programmable) and software write-protection.
+	 */
+	{ "AT45DB011B",  0x1f2200, 512, 264, 9, SUP_POW2PS},
 	{ "at45db011d",  0x1f2200, 512, 256, 8, SUP_POW2PS | IS_POW2PS},
 
-	{ "at45db021d",  0x1f2300, 1024, 264, 9, SUP_POW2PS},
+	{ "AT45DB021B",  0x1f2300, 1024, 264, 9, SUP_POW2PS},
 	{ "at45db021d",  0x1f2300, 1024, 256, 8, SUP_POW2PS | IS_POW2PS},
 
-	{ "at45db041d",  0x1f2400, 2048, 264, 9, SUP_POW2PS},
+	{ "AT45DB041x",  0x1f2400, 2048, 264, 9, SUP_POW2PS},
 	{ "at45db041d",  0x1f2400, 2048, 256, 8, SUP_POW2PS | IS_POW2PS},
 
-	{ "at45db081d",  0x1f2500, 4096, 264, 9, SUP_POW2PS},
+	{ "AT45DB081B",  0x1f2500, 4096, 264, 9, SUP_POW2PS},
 	{ "at45db081d",  0x1f2500, 4096, 256, 8, SUP_POW2PS | IS_POW2PS},
 
-	{ "at45db161d",  0x1f2600, 4096, 528, 10, SUP_POW2PS},
+	{ "AT45DB161x",  0x1f2600, 4096, 528, 10, SUP_POW2PS},
 	{ "at45db161d",  0x1f2600, 4096, 512, 9, SUP_POW2PS | IS_POW2PS},
 
-	{ "at45db321c",  0x1f2700, 8192, 528, 10, },
+	{ "AT45DB321x",  0x1f2700, 8192, 528, 10, 0},		/* rev C */
 
-	{ "at45db321d",  0x1f2701, 8192, 528, 10,