diff --git a/arch/arm/mach-ep93xx/snappercl15.c b/arch/arm/mach-ep93xx/snappercl15.c
index c4904264256ad8675c04d42f2223dab64c8d1e15..b2db791b3b38b0adb69e64ea0cd596356184b483 100644
--- a/arch/arm/mach-ep93xx/snappercl15.c
+++ b/arch/arm/mach-ep93xx/snappercl15.c
@@ -49,7 +49,7 @@
 static void snappercl15_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
 				      unsigned int ctrl)
 {
-	struct nand_chip *chip = mtd->priv;
+	struct nand_chip *chip = mtd_to_nand(mtd);
 	static u16 nand_state = SNAPPERCL15_NAND_WPN;
 	u16 set;
 
@@ -76,7 +76,7 @@ static void snappercl15_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
 
 static int snappercl15_nand_dev_ready(struct mtd_info *mtd)
 {
-	struct nand_chip *chip = mtd->priv;
+	struct nand_chip *chip = mtd_to_nand(mtd);
 
 	return !!(__raw_readw(NAND_CTRL_ADDR(chip)) & SNAPPERCL15_NAND_RDY);
 }
diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
index 61f4b5dc4d7dd9ad8d6802606b47d2117be314cc..45b81a2bcd4b39ca121c5eedb04c6600c65ec65d 100644
--- a/arch/arm/mach-ep93xx/ts72xx.c
+++ b/arch/arm/mach-ep93xx/ts72xx.c
@@ -74,7 +74,7 @@ static void __init ts72xx_map_io(void)
 static void ts72xx_nand_hwcontrol(struct mtd_info *mtd,
 				  int cmd, unsigned int ctrl)
 {
-	struct nand_chip *chip = mtd->priv;
+	struct nand_chip *chip = mtd_to_nand(mtd);
 
 	if (ctrl & NAND_CTRL_CHANGE) {
 		void __iomem *addr = chip->IO_ADDR_R;
@@ -96,7 +96,7 @@ static void ts72xx_nand_hwcontrol(struct mtd_info *mtd,
 
 static int ts72xx_nand_device_ready(struct mtd_info *mtd)
 {
-	struct nand_chip *chip = mtd->priv;
+	struct nand_chip *chip = mtd_to_nand(mtd);
 	void __iomem *addr = chip->IO_ADDR_R;
 
 	addr += (1 << TS72XX_NAND_BUSY_ADDR_LINE);
diff --git a/arch/arm/mach-imx/mach-qong.c b/arch/arm/mach-imx/mach-qong.c
index a213e7b9cb1c90caf89afbb06408c43004ee8af6..5c27646047270fc4fbcab94e689f5e533d3d9d09 100644
--- a/arch/arm/mach-imx/mach-qong.c
+++ b/arch/arm/mach-imx/mach-qong.c
@@ -131,7 +131,7 @@ static void qong_init_nor_mtd(void)
  */
 static void qong_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 {
-	struct nand_chip *nand_chip = mtd->priv;
+	struct nand_chip *nand_chip = mtd_to_nand(mtd);
 
 	if (cmd == NAND_CMD_NONE)
 		return;
diff --git a/arch/arm/mach-ixp4xx/ixdp425-setup.c b/arch/arm/mach-ixp4xx/ixdp425-setup.c
index e7b8befa872950c43d7289e12f49ae7850d6c3c9..333b0f9ea635e7a0085b28af80dd0338704b5bc3 100644
--- a/arch/arm/mach-ixp4xx/ixdp425-setup.c
+++ b/arch/arm/mach-ixp4xx/ixdp425-setup.c
@@ -76,7 +76,7 @@ static struct mtd_partition ixdp425_partitions[] = {
 static void
 ixdp425_flash_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 {
-	struct nand_chip *this = mtd->priv;
+	struct nand_chip *this = mtd_to_nand(mtd);
 	int offset = (int)this->priv;
 
 	if (ctrl & NAND_CTRL_CHANGE) {
diff --git a/arch/arm/mach-omap1/board-nand.c b/arch/arm/mach-omap1/board-nand.c
index 4d0835327d2038580ce707f57d7aac5b2a2269c6..7684f9203474386eafbd3d974dbcfa5a30b24989 100644
--- a/arch/arm/mach-omap1/board-nand.c
+++ b/arch/arm/mach-omap1/board-nand.c
@@ -22,7 +22,7 @@
 
 void omap1_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 {
-	struct nand_chip *this = mtd->priv;
+	struct nand_chip *this = mtd_to_nand(mtd);
 	unsigned long mask;
 
 	if (cmd == NAND_CMD_NONE)
diff --git a/arch/arm/mach-orion5x/ts78xx-setup.c b/arch/arm/mach-orion5x/ts78xx-setup.c
index 1b704d35cf5b2922959ede312995777f510996c7..96cf6b51eddc7a50c67c1f1187889afb83e4736b 100644
--- a/arch/arm/mach-orion5x/ts78xx-setup.c
+++ b/arch/arm/mach-orion5x/ts78xx-setup.c
@@ -176,7 +176,7 @@ static void ts78xx_ts_rtc_unload(void)
 static void ts78xx_ts_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
 			unsigned int ctrl)
 {
-	struct nand_chip *this = mtd->priv;
+	struct nand_chip *this = mtd_to_nand(mtd);
 
 	if (ctrl & NAND_CTRL_CHANGE) {
 		unsigned char bits;
@@ -200,7 +200,7 @@ static int ts78xx_ts_nand_dev_ready(struct mtd_info *mtd)
 static void ts78xx_ts_nand_write_buf(struct mtd_info *mtd,
 			const uint8_t *buf, int len)
 {
-	struct nand_chip *chip = mtd->priv;
+	struct nand_chip *chip = mtd_to_nand(mtd);
 	void __iomem *io_base = chip->IO_ADDR_W;
 	unsigned long off = ((unsigned long)buf & 3);
 	int sz;
@@ -227,7 +227,7 @@ static void ts78xx_ts_nand_write_buf(struct mtd_info *mtd,
 static void ts78xx_ts_nand_read_buf(struct mtd_info *mtd,
 			uint8_t *buf, int len)
 {
-	struct nand_chip *chip = mtd->priv;
+	struct nand_chip *chip = mtd_to_nand(mtd);
 	void __iomem *io_base = chip->IO_ADDR_R;
 	unsigned long off = ((unsigned long)buf & 3);
 	int sz;
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index a727282bfa99605b51c3fd498af006829442b286..7734ec4f138509083e8be6764bab7cac2aa27c57 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -572,7 +572,7 @@ static inline void balloon3_i2c_init(void) {}
 #if defined(CONFIG_MTD_NAND_PLATFORM)||defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
 static void balloon3_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 {
-	struct nand_chip *this = mtd->priv;
+	struct nand_chip *this = mtd_to_nand(mtd);
 	uint8_t balloon3_ctl_set = 0, balloon3_ctl_clr = 0;
 
 	if (ctrl & NAND_CTRL_CHANGE) {
diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c
index 9d7072b040458ff741ed8d30ccddaf9593fb1bd3..38600a70e3cab2a9cf56c9298ada57f4db8388fd 100644
--- a/arch/arm/mach-pxa/em-x270.c
+++ b/arch/arm/mach-pxa/em-x270.c
@@ -289,7 +289,7 @@ static void nand_cs_off(void)
 static void em_x270_nand_cmd_ctl(struct mtd_info *mtd, int dat,
 				 unsigned int ctrl)
 {
-	struct nand_chip *this = mtd->priv;
+	struct nand_chip *this = mtd_to_nand(mtd);
 	unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
 
 	dsb();
diff --git a/arch/arm/mach-pxa/palmtx.c b/arch/arm/mach-pxa/palmtx.c
index 83f830dd8ad89fc6bdab7efafbde791cfeaf5915..d787dd17f6b2aa04f78bd415644928a13e2cd895 100644
--- a/arch/arm/mach-pxa/palmtx.c
+++ b/arch/arm/mach-pxa/palmtx.c
@@ -250,7 +250,7 @@ static inline void palmtx_keys_init(void) {}
 static void palmtx_nand_cmd_ctl(struct mtd_info *mtd, int cmd,
 				 unsigned int ctrl)
 {
-	struct nand_chip *this = mtd->priv;
+	struct nand_chip *this = mtd_to_nand(mtd);
 	char __iomem *nandaddr = this->IO_ADDR_W;
 
 	if (cmd == NAND_CMD_NONE)
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
index 88a19fc9844d8395900dd94b48e6a22fec30767a..c181543a399aa2e36752f2153fe429bf89283fa9 100644
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/arch/blackfin/mach-bf537/boards/stamp.c
@@ -404,7 +404,7 @@ static struct mtd_partition bfin_plat_nand_partitions[] = {
 #define BFIN_NAND_PLAT_ALE 1
 static void bfin_plat_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 {
-	struct nand_chip *this = mtd->priv;
+	struct nand_chip *this = mtd_to_nand(mtd);
 
 	if (cmd == NAND_CMD_NONE)
 		return;
diff --git a/arch/blackfin/mach-bf561/boards/acvilon.c b/arch/blackfin/mach-bf561/boards/acvilon.c
index 6ab951534d790b6060aeea63cda8c1b158d90470..37f8f25a1347fbed8c77ff6b498e1a062afb4321 100644
--- a/arch/blackfin/mach-bf561/boards/acvilon.c
+++ b/arch/blackfin/mach-bf561/boards/acvilon.c
@@ -267,7 +267,7 @@ static struct mtd_partition bfin_plat_nand_partitions[] = {
 static void bfin_plat_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
 				    unsigned int ctrl)
 {
-	struct nand_chip *this = mtd->priv;
+	struct nand_chip *this = mtd_to_nand(mtd);
 
 	if (cmd == NAND_CMD_NONE)
 		return;
diff --git a/arch/cris/arch-v32/drivers/mach-a3/nandflash.c b/arch/cris/arch-v32/drivers/mach-a3/nandflash.c
index 7fb52128ddc900ebfba2952654798ab04d8e5b97..db953cfabee11c4021f907e812c36341bd6db3ac 100644
--- a/arch/cris/arch-v32/drivers/mach-a3/nandflash.c
+++ b/arch/cris/arch-v32/drivers/mach-a3/nandflash.c
@@ -52,7 +52,7 @@ static void crisv32_hwcontrol(struct mtd_info *mtd, int cmd,
 {
 	unsigned long flags;
 	reg_pio_rw_dout dout;
-	struct nand_chip *this = mtd->priv;
+	struct nand_chip *this = mtd_to_nand(mtd);
 
 	local_irq_save(flags);
 
diff --git a/arch/cris/arch-v32/drivers/mach-fs/nandflash.c b/arch/cris/arch-v32/drivers/mach-fs/nandflash.c
index e03238454b0ee541e0daa556493039cedf776dbc..22a6467ffe1f1d4cd75ab7ed36914609cc83696a 100644
--- a/arch/cris/arch-v32/drivers/mach-fs/nandflash.c
+++ b/arch/cris/arch-v32/drivers/mach-fs/nandflash.c
@@ -51,7 +51,7 @@ static void crisv32_hwcontrol(struct mtd_info *mtd, int cmd,
 {
 	unsigned long flags;
 	reg_gio_rw_pa_dout dout;
-	struct nand_chip *this = mtd->priv;
+	struct nand_chip *this = mtd_to_nand(mtd);
 
 	local_irq_save(flags);
 
diff --git a/arch/mips/alchemy/devboards/db1200.c b/arch/mips/alchemy/devboards/db1200.c
index 8c13675a12e74618b64b640f852f30856970fa85..992442a03d8ba00d5ab7541b57074ebf3ec0a30d 100644
--- a/arch/mips/alchemy/devboards/db1200.c
+++ b/arch/mips/alchemy/devboards/db1200.c
@@ -200,7 +200,7 @@ static struct i2c_board_info db1200_i2c_devs[] __initdata = {
 static void au1200_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
 				 unsigned int ctrl)
 {
-	struct nand_chip *this = mtd->priv;
+	struct nand_chip *this = mtd_to_nand(mtd);
 	unsigned long ioaddr = (unsigned long)this->IO_ADDR_W;
 
 	ioaddr &= 0xffffff00;
diff --git a/arch/mips/alchemy/devboards/db1300.c b/arch/mips/alchemy/devboards/db1300.c
index b58077008a5384a98e74bd76ef222a70bcca48a1..d3c087f59f1a9fa4d7f9a69dcad346f3aabe3b9a 100644
--- a/arch/mips/alchemy/devboards/db1300.c
+++ b/arch/mips/alchemy/devboards/db1300.c
@@ -150,7 +150,7 @@ static void __init db1300_gpio_config(void)
 static void au1300_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
 				 unsigned int ctrl)
 {
-	struct nand_chip *this = mtd->priv;
+	struct nand_chip *this = mtd_to_nand(mtd);
 	unsigned long ioaddr = (unsigned long)this->IO_ADDR_W;
 
 	ioaddr &= 0xffffff00;
diff --git a/arch/mips/alchemy/devboards/db1550.c b/arch/mips/alchemy/devboards/db1550.c
index 5740bcfdfc7f622b76402a3c0551e3c475ea7099..b518f029f5e7bcd97e62b5017408652fa7a111dd 100644
--- a/arch/mips/alchemy/devboards/db1550.c
+++ b/arch/mips/alchemy/devboards/db1550.c
@@ -128,7 +128,7 @@ static struct i2c_board_info db1550_i2c_devs[] __initdata = {
 static void au1550_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
 				 unsigned int ctrl)
 {
-	struct nand_chip *this = mtd->priv;
+	struct nand_chip *this = mtd_to_nand(mtd);
 	unsigned long ioaddr = (unsigned long)this->IO_ADDR_W;
 
 	ioaddr &= 0xffffff00;
diff --git a/arch/mips/pnx833x/common/platform.c b/arch/mips/pnx833x/common/platform.c
index b4b774bc3178835d9288cb5043291e3ba87195eb..3cd357737a267c38dc20b85724b723f37f26bd01 100644
--- a/arch/mips/pnx833x/common/platform.c
+++ b/arch/mips/pnx833x/common/platform.c
@@ -180,7 +180,7 @@ static struct platform_device pnx833x_sata_device = {
 static void
 pnx833x_flash_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 {
-	struct nand_chip *this = mtd->priv;
+	struct nand_chip *this = mtd_to_nand(mtd);
 	unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
 
 	if (cmd == NAND_CMD_NONE)
diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c
index 9bd7a2de0765fc13dcd1fbffa493b47415abb22a..0966adccf52005b35c308bd75b8ab92936eb6b99 100644
--- a/arch/mips/rb532/devices.c
+++ b/arch/mips/rb532/devices.c
@@ -148,7 +148,7 @@ static int rb532_dev_ready(struct mtd_info *mtd)
 
 static void rb532_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 {
-	struct nand_chip *chip = mtd->priv;
+	struct nand_chip *chip = mtd_to_nand(mtd);
 	unsigned char orbits, nandbits;
 
 	if (ctrl & NAND_CTRL_CHANGE) {