Merge tag 'v4.3-rc1' into MTD -next development
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 9cd3631..4b5d7a4 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -31,7 +31,6 @@
 struct m25p {
 	struct spi_device	*spi;
 	struct spi_nor		spi_nor;
-	struct mtd_info		mtd;
 	u8			command[MAX_CMD_SIZE];
 };
 
@@ -62,8 +61,7 @@
 	return 1 + nor->addr_width;
 }
 
-static int m25p80_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len,
-			int wr_en)
+static int m25p80_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len)
 {
 	struct m25p *flash = nor->priv;
 	struct spi_device *spi = flash->spi;
@@ -159,7 +157,7 @@
 	struct m25p *flash = nor->priv;
 
 	dev_dbg(nor->dev, "%dKiB at 0x%08x\n",
-		flash->mtd.erasesize / 1024, (u32)offset);
+		flash->spi_nor.mtd.erasesize / 1024, (u32)offset);
 
 	/* Set up command buffer. */
 	flash->command[0] = nor->erase_opcode;
@@ -201,11 +199,10 @@
 	nor->read_reg = m25p80_read_reg;
 
 	nor->dev = &spi->dev;
-	nor->mtd = &flash->mtd;
+	nor->flash_node = spi->dev.of_node;
 	nor->priv = flash;
 
 	spi_set_drvdata(spi, flash);
-	flash->mtd.priv = nor;
 	flash->spi = spi;
 
 	if (spi->mode & SPI_RX_QUAD)
@@ -214,7 +211,7 @@
 		mode = SPI_NOR_DUAL;
 
 	if (data && data->name)
-		flash->mtd.name = data->name;
+		nor->mtd.name = data->name;
 
 	/* For some (historical?) reason many platforms provide two different
 	 * names in flash_platform_data: "name" and "type". Quite often name is
@@ -232,7 +229,7 @@
 
 	ppdata.of_node = spi->dev.of_node;
 
-	return mtd_device_parse_register(&flash->mtd, NULL, &ppdata,
+	return mtd_device_parse_register(&nor->mtd, NULL, &ppdata,
 			data ? data->parts : NULL,
 			data ? data->nr_parts : 0);
 }
@@ -243,7 +240,7 @@
 	struct m25p	*flash = spi_get_drvdata(spi);
 
 	/* Clean up MTD stuff. */
-	return mtd_device_unregister(&flash->mtd);
+	return mtd_device_unregister(&flash->spi_nor.mtd);
 }
 
 /*
diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c
index fddb795..048e4e0 100644
--- a/drivers/mtd/nand/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/brcmnand/brcmnand.c
@@ -1792,7 +1792,8 @@
 
 	memset(cfg, 0, sizeof(*cfg));
 
-	ret = of_property_read_u32(chip->dn, "brcm,nand-oob-sector-size",
+	ret = of_property_read_u32(chip->flash_node,
+				   "brcm,nand-oob-sector-size",
 				   &oob_sector);
 	if (ret) {
 		/* Use detected size */
@@ -1899,7 +1900,7 @@
 	mtd = &host->mtd;
 	chip = &host->chip;
 
-	chip->dn = dn;
+	chip->flash_node = dn;
 	chip->priv = host;
 	mtd->priv = chip;
 	mtd->name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "brcmnand.%d",
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index ceb68ca..51f7816 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -3846,8 +3846,8 @@
 	struct nand_flash_dev *type;
 	int ret;
 
-	if (chip->dn) {
-		ret = nand_dt_init(mtd, chip, chip->dn);
+	if (chip->flash_node) {
+		ret = nand_dt_init(mtd, chip, chip->flash_node);
 		if (ret)
 			return ret;
 	}
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 740983a..165112c 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -252,6 +252,30 @@
 module_param(use_dma, bool, 0444);
 MODULE_PARM_DESC(use_dma, "enable DMA for data transferring to/from NAND HW");
 
+struct pxa3xx_nand_timing {
+	unsigned int	tCH;  /* Enable signal hold time */
+	unsigned int	tCS;  /* Enable signal setup time */
+	unsigned int	tWH;  /* ND_nWE high duration */
+	unsigned int	tWP;  /* ND_nWE pulse time */
+	unsigned int	tRH;  /* ND_nRE high duration */
+	unsigned int	tRP;  /* ND_nRE pulse width */
+	unsigned int	tR;   /* ND_nWE high to ND_nRE low for read */
+	unsigned int	tWHR; /* ND_nWE high to ND_nRE low for status read */
+	unsigned int	tAR;  /* ND_ALE low to ND_nRE low delay */
+};
+
+struct pxa3xx_nand_flash {
+	char		*name;
+	uint32_t	chip_id;
+	unsigned int	page_per_block; /* Pages per block (PG_PER_BLK) */
+	unsigned int	page_size;	/* Page size in bytes (PAGE_SZ) */
+	unsigned int	flash_width;	/* Width of Flash memory (DWIDTH_M) */
+	unsigned int	dfc_width;	/* Width of flash controller(DWIDTH_C) */
+	unsigned int	num_blocks;	/* Number of physical blocks in Flash */
+
+	struct pxa3xx_nand_timing *timing;	/* NAND Flash timing */
+};
+
 static struct pxa3xx_nand_timing timing[] = {
 	{ 40, 80, 60, 100, 80, 100, 90000, 400, 40, },
 	{ 10,  0, 20,  40, 30,  40, 11123, 110, 10, },
@@ -1491,19 +1515,16 @@
 		return -EINVAL;
 	}
 
-	num = ARRAY_SIZE(builtin_flash_types) + pdata->num_flash - 1;
+	num = ARRAY_SIZE(builtin_flash_types) - 1;
 	for (i = 0; i < num; i++) {
-		if (i < pdata->num_flash)
-			f = pdata->flash + i;
-		else
-			f = &builtin_flash_types[i - pdata->num_flash + 1];
+		f = &builtin_flash_types[i + 1];
 
 		/* find the chip in default list */
 		if (f->chip_id == id)
 			break;
 	}
 
-	if (i >= (ARRAY_SIZE(builtin_flash_types) + pdata->num_flash - 1)) {
+	if (i >= (ARRAY_SIZE(builtin_flash_types) - 1)) {
 		dev_err(&info->pdev->dev, "ERROR!! flash not defined!!!\n");
 
 		return -EINVAL;
diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c
index f97a58d..4f9db77 100644
--- a/drivers/mtd/nand/sunxi_nand.c
+++ b/drivers/mtd/nand/sunxi_nand.c
@@ -978,17 +978,23 @@
 		mode = chip->nand.onfi_timing_mode_default;
 	} else {
 		uint8_t feature[ONFI_SUBFEATURE_PARAM_LEN] = {};
+		int i;
 
 		mode = fls(mode) - 1;
 		if (mode < 0)
 			mode = 0;
 
 		feature[0] = mode;
-		ret = chip->nand.onfi_set_features(&chip->mtd, &chip->nand,
+		for (i = 0; i < chip->nsels; i++) {
+			chip->nand.select_chip(&chip->mtd, i);
+			ret = chip->nand.onfi_set_features(&chip->mtd,
+						&chip->nand,
 						ONFI_FEATURE_ADDR_TIMING_MODE,
 						feature);
-		if (ret)
-			return ret;
+			chip->nand.select_chip(&chip->mtd, -1);
+			if (ret)
+				return ret;
+		}
 	}
 
 	timings = onfi_async_timing_mode_to_sdr_timings(mode);
@@ -1162,16 +1168,9 @@
 			       struct device_node *np)
 {
 	struct nand_chip *nand = mtd->priv;
-	int strength;
-	int blk_size;
 	int ret;
 
-	blk_size = of_get_nand_ecc_step_size(np);
-	strength = of_get_nand_ecc_strength(np);
-	if (blk_size > 0 && strength > 0) {
-		ecc->size = blk_size;
-		ecc->strength = strength;
-	} else {
+	if (!ecc->size) {
 		ecc->size = nand->ecc_step_ds;
 		ecc->strength = nand->ecc_strength_ds;
 	}
@@ -1179,12 +1178,6 @@
 	if (!ecc->size || !ecc->strength)
 		return -EINVAL;
 
-	ecc->mode = NAND_ECC_HW;
-
-	ret = of_get_nand_ecc_mode(np);
-	if (ret >= 0)
-		ecc->mode = ret;
-
 	switch (ecc->mode) {
 	case NAND_ECC_SOFT_BCH:
 		break;
@@ -1310,15 +1303,18 @@
 	/* Default tR value specified in the ONFI spec (chapter 4.15.1) */
 	nand->chip_delay = 200;
 	nand->controller = &nfc->controller;
+	/*
+	 * Set the ECC mode to the default value in case nothing is specified
+	 * in the DT.
+	 */
+	nand->ecc.mode = NAND_ECC_HW;
+	nand->flash_node = np;
 	nand->select_chip = sunxi_nfc_select_chip;
 	nand->cmd_ctrl = sunxi_nfc_cmd_ctrl;
 	nand->read_buf = sunxi_nfc_read_buf;
 	nand->write_buf = sunxi_nfc_write_buf;
 	nand->read_byte = sunxi_nfc_read_byte;
 
-	if (of_get_nand_on_flash_bbt(np))
-		nand->bbt_options |= NAND_BBT_USE_FLASH | NAND_BBT_NO_OOB;
-
 	mtd = &chip->mtd;
 	mtd->dev.parent = dev;
 	mtd->priv = nand;
@@ -1328,6 +1324,9 @@
 	if (ret)
 		return ret;
 
+	if (nand->bbt_options & NAND_BBT_USE_FLASH)
+		nand->bbt_options |= NAND_BBT_NO_OOB;
+
 	ret = sunxi_nand_chip_init_timings(chip, np);
 	if (ret) {
 		dev_err(dev, "could not configure chip timings: %d\n", ret);
diff --git a/drivers/mtd/spi-nor/fsl-quadspi.c b/drivers/mtd/spi-nor/fsl-quadspi.c
index d32b7e0..2954f89 100644
--- a/drivers/mtd/spi-nor/fsl-quadspi.c
+++ b/drivers/mtd/spi-nor/fsl-quadspi.c
@@ -259,7 +259,6 @@
 
 #define FSL_QSPI_MAX_CHIP	4
 struct fsl_qspi {
-	struct mtd_info mtd[FSL_QSPI_MAX_CHIP];
 	struct spi_nor nor[FSL_QSPI_MAX_CHIP];
 	void __iomem *iobase;
 	void __iomem *ahb_addr;
@@ -798,8 +797,7 @@
 	return 0;
 }
 
-static int fsl_qspi_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len,
-			int write_enable)
+static int fsl_qspi_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len)
 {
 	struct fsl_qspi *q = nor->priv;
 	int ret;
@@ -888,7 +886,7 @@
 	int ret;
 
 	dev_dbg(nor->dev, "%dKiB at 0x%08x:0x%08x\n",
-		nor->mtd->erasesize / 1024, q->chip_base_addr, (u32)offs);
+		nor->mtd.erasesize / 1024, q->chip_base_addr, (u32)offs);
 
 	ret = fsl_qspi_runcmd(q, nor->erase_opcode, offs, 0);
 	if (ret)
@@ -1006,19 +1004,16 @@
 
 	/* iterate the subnodes. */
 	for_each_available_child_of_node(dev->of_node, np) {
-		char modalias[40];
-
 		/* skip the holes */
 		if (!q->has_second_chip)
 			i *= 2;
 
 		nor = &q->nor[i];
-		mtd = &q->mtd[i];
+		mtd = &nor->mtd;
 
-		nor->mtd = mtd;
 		nor->dev = dev;
+		nor->flash_node = np;
 		nor->priv = q;
-		mtd->priv = nor;
 
 		/* fill the hooks */
 		nor->read_reg = fsl_qspi_read_reg;
@@ -1030,10 +1025,6 @@
 		nor->prepare = fsl_qspi_prep;
 		nor->unprepare = fsl_qspi_unprep;
 
-		ret = of_modalias_node(np, modalias, sizeof(modalias));
-		if (ret < 0)
-			goto mutex_failed;
-
 		ret = of_property_read_u32(np, "spi-max-frequency",
 				&q->clk_rate);
 		if (ret < 0)
@@ -1042,7 +1033,7 @@
 		/* set the chip address for READID */
 		fsl_qspi_set_base_addr(q, nor);
 
-		ret = spi_nor_scan(nor, modalias, SPI_NOR_QUAD);
+		ret = spi_nor_scan(nor, NULL, SPI_NOR_QUAD);
 		if (ret)
 			goto mutex_failed;
 
@@ -1087,7 +1078,7 @@
 		/* skip the holes */
 		if (!q->has_second_chip)
 			i *= 2;
-		mtd_device_unregister(&q->mtd[i]);
+		mtd_device_unregister(&q->nor[i].mtd);
 	}
 mutex_failed:
 	mutex_destroy(&q->lock);
@@ -1107,7 +1098,7 @@
 		/* skip the holes */
 		if (!q->has_second_chip)
 			i *= 2;
-		mtd_device_unregister(&q->mtd[i]);
+		mtd_device_unregister(&q->nor[i].mtd);
 	}
 
 	/* disable the hardware */
diff --git a/drivers/mtd/spi-nor/nxp-spifi.c b/drivers/mtd/spi-nor/nxp-spifi.c
index 9ad1dd0..9e82098 100644
--- a/drivers/mtd/spi-nor/nxp-spifi.c
+++ b/drivers/mtd/spi-nor/nxp-spifi.c
@@ -60,7 +60,6 @@
 	struct clk *clk_reg;
 	void __iomem *io_base;
 	void __iomem *flash_base;
-	struct mtd_info mtd;
 	struct spi_nor nor;
 	bool memory_mode;
 	u32 mcmd;
@@ -150,8 +149,7 @@
 	return nxp_spifi_wait_for_cmd(spifi);
 }
 
-static int nxp_spifi_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf,
-			       int len, int write_enable)
+static int nxp_spifi_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len)
 {
 	struct nxp_spifi *spifi = nor->priv;
 	u32 cmd;
@@ -331,9 +329,8 @@
 
 	writel(ctrl, spifi->io_base + SPIFI_CTRL);
 
-	spifi->mtd.priv  = &spifi->nor;
-	spifi->nor.mtd   = &spifi->mtd;
 	spifi->nor.dev   = spifi->dev;
+	spifi->nor.flash_node = np;
 	spifi->nor.priv  = spifi;
 	spifi->nor.read  = nxp_spifi_read;
 	spifi->nor.write = nxp_spifi_write;
@@ -365,7 +362,7 @@
 	}
 
 	ppdata.of_node = np;
-	ret = mtd_device_parse_register(&spifi->mtd, NULL, &ppdata, NULL, 0);
+	ret = mtd_device_parse_register(&spifi->nor.mtd, NULL, &ppdata, NULL, 0);
 	if (ret) {
 		dev_err(spifi->dev, "mtd device parse failed\n");
 		return ret;
@@ -454,7 +451,7 @@
 {
 	struct nxp_spifi *spifi = platform_get_drvdata(pdev);
 
-	mtd_device_unregister(&spifi->mtd);
+	mtd_device_unregister(&spifi->nor.mtd);
 	clk_disable_unprepare(spifi->clk_spifi);
 	clk_disable_unprepare(spifi->clk_reg);
 
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index f59aedf..8818d43 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -145,7 +145,7 @@
 static inline int write_sr(struct spi_nor *nor, u8 val)
 {
 	nor->cmd_buf[0] = val;
-	return nor->write_reg(nor, SPINOR_OP_WRSR, nor->cmd_buf, 1, 0);
+	return nor->write_reg(nor, SPINOR_OP_WRSR, nor->cmd_buf, 1);
 }
 
 /*
@@ -154,7 +154,7 @@
  */
 static inline int write_enable(struct spi_nor *nor)
 {
-	return nor->write_reg(nor, SPINOR_OP_WREN, NULL, 0, 0);
+	return nor->write_reg(nor, SPINOR_OP_WREN, NULL, 0);
 }
 
 /*
@@ -162,7 +162,7 @@
  */
 static inline int write_disable(struct spi_nor *nor)
 {
-	return nor->write_reg(nor, SPINOR_OP_WRDI, NULL, 0, 0);
+	return nor->write_reg(nor, SPINOR_OP_WRDI, NULL, 0);
 }
 
 static inline struct spi_nor *mtd_to_spi_nor(struct mtd_info *mtd)
@@ -188,7 +188,7 @@
 			write_enable(nor);
 
 		cmd = enable ? SPINOR_OP_EN4B : SPINOR_OP_EX4B;
-		status = nor->write_reg(nor, cmd, NULL, 0, 0);
+		status = nor->write_reg(nor, cmd, NULL, 0);
 		if (need_wren)
 			write_disable(nor);
 
@@ -196,7 +196,7 @@
 	default:
 		/* Spansion style */
 		nor->cmd_buf[0] = enable << 7;
-		return nor->write_reg(nor, SPINOR_OP_BRWR, nor->cmd_buf, 1, 0);
+		return nor->write_reg(nor, SPINOR_OP_BRWR, nor->cmd_buf, 1);
 	}
 }
 static inline int spi_nor_sr_ready(struct spi_nor *nor)
@@ -265,9 +265,9 @@
  */
 static int erase_chip(struct spi_nor *nor)
 {
-	dev_dbg(nor->dev, " %lldKiB\n", (long long)(nor->mtd->size >> 10));
+	dev_dbg(nor->dev, " %lldKiB\n", (long long)(nor->mtd.size >> 10));
 
-	return nor->write_reg(nor, SPINOR_OP_CHIP_ERASE, NULL, 0, 0);
+	return nor->write_reg(nor, SPINOR_OP_CHIP_ERASE, NULL, 0);
 }
 
 static int spi_nor_lock_and_prep(struct spi_nor *nor, enum spi_nor_ops ops)
@@ -373,7 +373,7 @@
 
 static int stm_lock(struct spi_nor *nor, loff_t ofs, uint64_t len)
 {
-	struct mtd_info *mtd = nor->mtd;
+	struct mtd_info *mtd = &nor->mtd;
 	uint32_t offset = ofs;
 	uint8_t status_old, status_new;
 	int ret = 0;
@@ -407,7 +407,7 @@
 
 static int stm_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len)
 {
-	struct mtd_info *mtd = nor->mtd;
+	struct mtd_info *mtd = &nor->mtd;
 	uint32_t offset = ofs;
 	uint8_t status_old, status_new;
 	int ret = 0;
@@ -868,8 +868,7 @@
 	val = read_sr(nor);
 	write_enable(nor);
 
-	nor->cmd_buf[0] = val | SR_QUAD_EN_MX;
-	nor->write_reg(nor, SPINOR_OP_WRSR, nor->cmd_buf, 1, 0);
+	write_sr(nor, val | SR_QUAD_EN_MX);
 
 	if (spi_nor_wait_till_ready(nor))
 		return 1;
@@ -894,7 +893,7 @@
 	nor->cmd_buf[0] = val & 0xff;
 	nor->cmd_buf[1] = (val >> 8);
 
-	return nor->write_reg(nor, SPINOR_OP_WRSR, nor->cmd_buf, 2, 0);
+	return nor->write_reg(nor, SPINOR_OP_WRSR, nor->cmd_buf, 2);
 }
 
 static int spansion_quad_enable(struct spi_nor *nor)
@@ -936,7 +935,7 @@
 
 	/* set EVCR, enable quad I/O */
 	nor->cmd_buf[0] = val & ~EVCR_QUAD_EN_MICRON;
-	ret = nor->write_reg(nor, SPINOR_OP_WD_EVCR, nor->cmd_buf, 1, 0);
+	ret = nor->write_reg(nor, SPINOR_OP_WD_EVCR, nor->cmd_buf, 1);
 	if (ret < 0) {
 		dev_err(nor->dev, "error while writing EVCR register\n");
 		return ret;
@@ -1004,8 +1003,8 @@
 {
 	const struct flash_info *info = NULL;
 	struct device *dev = nor->dev;
-	struct mtd_info *mtd = nor->mtd;
-	struct device_node *np = dev->of_node;
+	struct mtd_info *mtd = &nor->mtd;
+	struct device_node *np = nor->flash_node;
 	int ret;
 	int i;
 
@@ -1061,6 +1060,7 @@
 
 	if (!mtd->name)
 		mtd->name = dev_name(dev);
+	mtd->priv = nor;
 	mtd->type = MTD_NORFLASH;
 	mtd->writesize = 1;
 	mtd->flags = MTD_CAP_NORFLASH;
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 272f429..3140b3d 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -544,7 +544,7 @@
  *			flash device
  * @IO_ADDR_W:		[BOARDSPECIFIC] address to write the 8 I/O lines of the
  *			flash device.
- * @dn:			[BOARDSPECIFIC] device node describing this instance
+ * @flash_node:		[BOARDSPECIFIC] device node describing this instance
  * @read_byte:		[REPLACEABLE] read one byte from the chip
  * @read_word:		[REPLACEABLE] read one word from the chip
  * @write_byte:		[REPLACEABLE] write a single byte to the chip on the
@@ -647,7 +647,7 @@
 	void __iomem *IO_ADDR_R;
 	void __iomem *IO_ADDR_W;
 
-	struct device_node *dn;
+	struct device_node *flash_node;
 
 	uint8_t (*read_byte)(struct mtd_info *mtd);
 	u16 (*read_word)(struct mtd_info *mtd);
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
index e540952..e9c912d 100644
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -127,11 +127,14 @@
 	SNOR_F_USE_FSR		= BIT(0),
 };
 
+struct mtd_info;
+
 /**
  * struct spi_nor - Structure for defining a the SPI NOR layer
  * @mtd:		point to a mtd_info structure
  * @lock:		the lock for the read/write/erase/lock/unlock operations
  * @dev:		point to a spi device, or a spi nor controller device.
+ * @flash_node:		point to a device node describing this flash instance.
  * @page_size:		the page size of the SPI NOR
  * @addr_width:		number of address bytes
  * @erase_opcode:	the opcode for erasing a sector
@@ -160,9 +163,10 @@
  * @priv:		the private data
  */
 struct spi_nor {
-	struct mtd_info		*mtd;
+	struct mtd_info		mtd;
 	struct mutex		lock;
 	struct device		*dev;
+	struct device_node	*flash_node;
 	u32			page_size;
 	u8			addr_width;
 	u8			erase_opcode;
@@ -182,8 +186,7 @@
 	int (*write_xfer)(struct spi_nor *nor, struct spi_nor_xfer_cfg *cfg,
 			  u8 *buf, size_t len);
 	int (*read_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len);
-	int (*write_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len,
-			int write_enable);
+	int (*write_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len);
 
 	int (*read)(struct spi_nor *nor, loff_t from,
 			size_t len, size_t *retlen, u_char *read_buf);
diff --git a/include/linux/platform_data/mtd-nand-pxa3xx.h b/include/linux/platform_data/mtd-nand-pxa3xx.h
index ac4ea2e..394d155 100644
--- a/include/linux/platform_data/mtd-nand-pxa3xx.h
+++ b/include/linux/platform_data/mtd-nand-pxa3xx.h
@@ -4,30 +4,6 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 
-struct pxa3xx_nand_timing {
-	unsigned int	tCH;  /* Enable signal hold time */
-	unsigned int	tCS;  /* Enable signal setup time */
-	unsigned int	tWH;  /* ND_nWE high duration */
-	unsigned int	tWP;  /* ND_nWE pulse time */
-	unsigned int	tRH;  /* ND_nRE high duration */
-	unsigned int	tRP;  /* ND_nRE pulse width */
-	unsigned int	tR;   /* ND_nWE high to ND_nRE low for read */
-	unsigned int	tWHR; /* ND_nWE high to ND_nRE low for status read */
-	unsigned int	tAR;  /* ND_ALE low to ND_nRE low delay */
-};
-
-struct pxa3xx_nand_flash {
-	char		*name;
-	uint32_t	chip_id;
-	unsigned int	page_per_block; /* Pages per block (PG_PER_BLK) */
-	unsigned int	page_size;	/* Page size in bytes (PAGE_SZ) */
-	unsigned int	flash_width;	/* Width of Flash memory (DWIDTH_M) */
-	unsigned int	dfc_width;	/* Width of flash controller(DWIDTH_C) */
-	unsigned int	num_blocks;	/* Number of physical blocks in Flash */
-
-	struct pxa3xx_nand_timing *timing;	/* NAND Flash timing */
-};
-
 /*
  * Current pxa3xx_nand controller has two chip select which
  * both be workable.
@@ -63,9 +39,6 @@
 
 	const struct mtd_partition		*parts[NUM_CHIP_SELECT];
 	unsigned int				nr_parts[NUM_CHIP_SELECT];
-
-	const struct pxa3xx_nand_flash * 	flash;
-	size_t					num_flash;
 };
 
 extern void pxa3xx_set_nand_info(struct pxa3xx_nand_platform_data *info);