[MTD] [NAND] rename at91_nand -> atmel_nand: internal symbols

This is basically s/at91_nand/atmel_nand/g with some manual inspection.

Signed-off-by: Håvard Skinnemoen <haavard.skinnemoen@atmel.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 51b7031..675a82c 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -48,9 +48,9 @@
 
 /* Register access macros */
 #define ecc_readl(add, reg)				\
-	__raw_readl(add + AT91_ECC_##reg)
+	__raw_readl(add + ATMEL_ECC_##reg)
 #define ecc_writel(add, reg, value)			\
-	__raw_writel((value), add + AT91_ECC_##reg)
+	__raw_writel((value), add + ATMEL_ECC_##reg)
 
 #include "atmel_nand_ecc.h"	/* Hardware ECC registers */
 
@@ -59,7 +59,7 @@
  * the bytes have to be consecutives to avoid
  * several NAND_CMD_RNDOUT during read
  */
-static struct nand_ecclayout at91_oobinfo_large = {
+static struct nand_ecclayout atmel_oobinfo_large = {
 	.eccbytes = 4,
 	.eccpos = {60, 61, 62, 63},
 	.oobfree = {
@@ -72,7 +72,7 @@
  * the bytes have to be consecutives to avoid
  * several NAND_CMD_RNDOUT during read
  */
-static struct nand_ecclayout at91_oobinfo_small = {
+static struct nand_ecclayout atmel_oobinfo_small = {
 	.eccbytes = 4,
 	.eccpos = {0, 1, 2, 3},
 	.oobfree = {
@@ -80,11 +80,11 @@
 	},
 };
 
-struct at91_nand_host {
+struct atmel_nand_host {
 	struct nand_chip	nand_chip;
 	struct mtd_info		mtd;
 	void __iomem		*io_base;
-	struct at91_nand_data	*board;
+	struct atmel_nand_data	*board;
 	struct device		*dev;
 	void __iomem		*ecc;
 };
@@ -92,7 +92,7 @@
 /*
  * Enable NAND.
  */
-static void at91_nand_enable(struct at91_nand_host *host)
+static void atmel_nand_enable(struct atmel_nand_host *host)
 {
 	if (host->board->enable_pin)
 		gpio_set_value(host->board->enable_pin, 0);
@@ -101,7 +101,7 @@
 /*
  * Disable NAND.
  */
-static void at91_nand_disable(struct at91_nand_host *host)
+static void atmel_nand_disable(struct atmel_nand_host *host)
 {
 	if (host->board->enable_pin)
 		gpio_set_value(host->board->enable_pin, 1);
@@ -110,16 +110,16 @@
 /*
  * Hardware specific access to control-lines
  */
-static void at91_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+static void atmel_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 {
 	struct nand_chip *nand_chip = mtd->priv;
-	struct at91_nand_host *host = nand_chip->priv;
+	struct atmel_nand_host *host = nand_chip->priv;
 
 	if (ctrl & NAND_CTRL_CHANGE) {
 		if (ctrl & NAND_NCE)
-			at91_nand_enable(host);
+			atmel_nand_enable(host);
 		else
-			at91_nand_disable(host);
+			atmel_nand_disable(host);
 	}
 	if (cmd == NAND_CMD_NONE)
 		return;
@@ -133,10 +133,10 @@
 /*
  * Read the Device Ready pin.
  */
-static int at91_nand_device_ready(struct mtd_info *mtd)
+static int atmel_nand_device_ready(struct mtd_info *mtd)
 {
 	struct nand_chip *nand_chip = mtd->priv;
-	struct at91_nand_host *host = nand_chip->priv;
+	struct atmel_nand_host *host = nand_chip->priv;
 
 	return gpio_get_value(host->board->rdy_pin);
 }
@@ -144,7 +144,7 @@
 /*
  * write oob for small pages
  */
-static int at91_nand_write_oob_512(struct mtd_info *mtd,
+static int atmel_nand_write_oob_512(struct mtd_info *mtd,
 		struct nand_chip *chip, int page)
 {
 	int chunk = chip->ecc.bytes + chip->ecc.prepad + chip->ecc.postpad;
@@ -172,7 +172,7 @@
 /*
  * read oob for small pages
  */
-static int at91_nand_read_oob_512(struct mtd_info *mtd,
+static int atmel_nand_read_oob_512(struct mtd_info *mtd,
 		struct nand_chip *chip,	int page, int sndcmd)
 {
 	if (sndcmd) {
@@ -192,11 +192,11 @@
  * dat:        raw data (unused)
  * ecc_code:   buffer for ECC
  */
-static int at91_nand_calculate(struct mtd_info *mtd,
+static int atmel_nand_calculate(struct mtd_info *mtd,
 		const u_char *dat, unsigned char *ecc_code)
 {
 	struct nand_chip *nand_chip = mtd->priv;
-	struct at91_nand_host *host = nand_chip->priv;
+	struct atmel_nand_host *host = nand_chip->priv;
 	uint32_t *eccpos = nand_chip->ecc.layout->eccpos;
 	unsigned int ecc_value;
 
@@ -207,7 +207,7 @@
 	ecc_code[eccpos[1]] = (ecc_value >> 8) & 0xFF;
 
 	/* get the last 2 ECC bytes */
-	ecc_value = ecc_readl(host->ecc, NPR) & AT91_ECC_NPARITY;
+	ecc_value = ecc_readl(host->ecc, NPR) & ATMEL_ECC_NPARITY;
 
 	ecc_code[eccpos[2]] = ecc_value & 0xFF;
 	ecc_code[eccpos[3]] = (ecc_value >> 8) & 0xFF;
@@ -222,7 +222,7 @@
  * chip:       nand chip info structure
  * buf:        buffer to store read data
  */
-static int at91_nand_read_page(struct mtd_info *mtd,
+static int atmel_nand_read_page(struct mtd_info *mtd,
 		struct nand_chip *chip, uint8_t *buf)
 {
 	int eccsize = chip->ecc.size;
@@ -281,11 +281,11 @@
  *
  * Detect and correct a 1 bit error for a page
  */
-static int at91_nand_correct(struct mtd_info *mtd, u_char *dat,
+static int atmel_nand_correct(struct mtd_info *mtd, u_char *dat,
 		u_char *read_ecc, u_char *isnull)
 {
 	struct nand_chip *nand_chip = mtd->priv;
-	struct at91_nand_host *host = nand_chip->priv;
+	struct atmel_nand_host *host = nand_chip->priv;
 	unsigned int ecc_status;
 	unsigned int ecc_word, ecc_bit;
 
@@ -293,43 +293,43 @@
 	ecc_status = ecc_readl(host->ecc, SR);
 
 	/* if there's no error */
-	if (likely(!(ecc_status & AT91_ECC_RECERR)))
+	if (likely(!(ecc_status & ATMEL_ECC_RECERR)))
 		return 0;
 
 	/* get error bit offset (4 bits) */
-	ecc_bit = ecc_readl(host->ecc, PR) & AT91_ECC_BITADDR;
+	ecc_bit = ecc_readl(host->ecc, PR) & ATMEL_ECC_BITADDR;
 	/* get word address (12 bits) */
-	ecc_word = ecc_readl(host->ecc, PR) & AT91_ECC_WORDADDR;
+	ecc_word = ecc_readl(host->ecc, PR) & ATMEL_ECC_WORDADDR;
 	ecc_word >>= 4;
 
 	/* if there are multiple errors */
-	if (ecc_status & AT91_ECC_MULERR) {
+	if (ecc_status & ATMEL_ECC_MULERR) {
 		/* check if it is a freshly erased block
 		 * (filled with 0xff) */
-		if ((ecc_bit == AT91_ECC_BITADDR)
-				&& (ecc_word == (AT91_ECC_WORDADDR >> 4))) {
+		if ((ecc_bit == ATMEL_ECC_BITADDR)
+				&& (ecc_word == (ATMEL_ECC_WORDADDR >> 4))) {
 			/* the block has just been erased, return OK */
 			return 0;
 		}
 		/* it doesn't seems to be a freshly
 		 * erased block.
 		 * We can't correct so many errors */
-		dev_dbg(host->dev, "at91_nand : multiple errors detected."
+		dev_dbg(host->dev, "atmel_nand : multiple errors detected."
 				" Unable to correct.\n");
 		return -EIO;
 	}
 
 	/* if there's a single bit error : we can correct it */
-	if (ecc_status & AT91_ECC_ECCERR) {
+	if (ecc_status & ATMEL_ECC_ECCERR) {
 		/* there's nothing much to do here.
 		 * the bit error is on the ECC itself.
 		 */
-		dev_dbg(host->dev, "at91_nand : one bit error on ECC code."
+		dev_dbg(host->dev, "atmel_nand : one bit error on ECC code."
 				" Nothing to correct\n");
 		return 0;
 	}
 
-	dev_dbg(host->dev, "at91_nand : one bit error on data."
+	dev_dbg(host->dev, "atmel_nand : one bit error on data."
 			" (word offset in the page :"
 			" 0x%x bit offset : 0x%x)\n",
 			ecc_word, ecc_bit);
@@ -341,14 +341,14 @@
 		/* 8 bits words */
 		dat[ecc_word] ^= (1 << ecc_bit);
 	}
-	dev_dbg(host->dev, "at91_nand : error corrected\n");
+	dev_dbg(host->dev, "atmel_nand : error corrected\n");
 	return 1;
 }
 
 /*
  * Enable HW ECC : unsused
  */
-static void at91_nand_hwctl(struct mtd_info *mtd, int mode) { ; }
+static void atmel_nand_hwctl(struct mtd_info *mtd, int mode) { ; }
 
 #ifdef CONFIG_MTD_PARTITIONS
 static const char *part_probes[] = { "cmdlinepart", NULL };
@@ -357,9 +357,9 @@
 /*
  * Probe for the NAND device.
  */
-static int __init at91_nand_probe(struct platform_device *pdev)
+static int __init atmel_nand_probe(struct platform_device *pdev)
 {
-	struct at91_nand_host *host;
+	struct atmel_nand_host *host;
 	struct mtd_info *mtd;
 	struct nand_chip *nand_chip;
 	struct resource *regs;
@@ -372,21 +372,21 @@
 #endif
 
 	/* Allocate memory for the device structure (and zero it) */
-	host = kzalloc(sizeof(struct at91_nand_host), GFP_KERNEL);
+	host = kzalloc(sizeof(struct atmel_nand_host), GFP_KERNEL);
 	if (!host) {
-		printk(KERN_ERR "at91_nand: failed to allocate device structure.\n");
+		printk(KERN_ERR "atmel_nand: failed to allocate device structure.\n");
 		return -ENOMEM;
 	}
 
 	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!mem) {
-		printk(KERN_ERR "at91_nand: can't get I/O resource mem\n");
+		printk(KERN_ERR "atmel_nand: can't get I/O resource mem\n");
 		return -ENXIO;
 	}
 
 	host->io_base = ioremap(mem->start, mem->end - mem->start + 1);
 	if (host->io_base == NULL) {
-		printk(KERN_ERR "at91_nand: ioremap failed\n");
+		printk(KERN_ERR "atmel_nand: ioremap failed\n");
 		kfree(host);
 		return -EIO;
 	}
@@ -403,14 +403,14 @@
 	/* Set address of NAND IO lines */
 	nand_chip->IO_ADDR_R = host->io_base;
 	nand_chip->IO_ADDR_W = host->io_base;
-	nand_chip->cmd_ctrl = at91_nand_cmd_ctrl;
+	nand_chip->cmd_ctrl = atmel_nand_cmd_ctrl;
 
 	if (host->board->rdy_pin)
-		nand_chip->dev_ready = at91_nand_device_ready;
+		nand_chip->dev_ready = atmel_nand_device_ready;
 
 	regs = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 	if (!regs && hard_ecc) {
-		printk(KERN_ERR "at91_nand: can't get I/O resource "
+		printk(KERN_ERR "atmel_nand: can't get I/O resource "
 				"regs\nFalling back on software ECC\n");
 	}
 
@@ -420,15 +420,15 @@
 	if (hard_ecc && regs) {
 		host->ecc = ioremap(regs->start, regs->end - regs->start + 1);
 		if (host->ecc == NULL) {
-			printk(KERN_ERR "at91_nand: ioremap failed\n");
+			printk(KERN_ERR "atmel_nand: ioremap failed\n");
 			res = -EIO;
 			goto err_ecc_ioremap;
 		}
 		nand_chip->ecc.mode = NAND_ECC_HW_SYNDROME;
-		nand_chip->ecc.calculate = at91_nand_calculate;
-		nand_chip->ecc.correct = at91_nand_correct;
-		nand_chip->ecc.hwctl = at91_nand_hwctl;
-		nand_chip->ecc.read_page = at91_nand_read_page;
+		nand_chip->ecc.calculate = atmel_nand_calculate;
+		nand_chip->ecc.correct = atmel_nand_correct;
+		nand_chip->ecc.hwctl = atmel_nand_hwctl;
+		nand_chip->ecc.read_page = atmel_nand_read_page;
 		nand_chip->ecc.bytes = 4;
 		nand_chip->ecc.prepad = 0;
 		nand_chip->ecc.postpad = 0;
@@ -440,7 +440,7 @@
 		nand_chip->options |= NAND_BUSWIDTH_16;
 
 	platform_set_drvdata(pdev, host);
-	at91_nand_enable(host);
+	atmel_nand_enable(host);
 
 	if (host->board->det_pin) {
 		if (gpio_get_value(host->board->det_pin)) {
@@ -463,22 +463,22 @@
 		/* set ECC page size and oob layout */
 		switch (mtd->writesize) {
 		case 512:
-			nand_chip->ecc.layout = &at91_oobinfo_small;
-			nand_chip->ecc.read_oob = at91_nand_read_oob_512;
-			nand_chip->ecc.write_oob = at91_nand_write_oob_512;
-			ecc_writel(host->ecc, MR, AT91_ECC_PAGESIZE_528);
+			nand_chip->ecc.layout = &atmel_oobinfo_small;
+			nand_chip->ecc.read_oob = atmel_nand_read_oob_512;
+			nand_chip->ecc.write_oob = atmel_nand_write_oob_512;
+			ecc_writel(host->ecc, MR, ATMEL_ECC_PAGESIZE_528);
 			break;
 		case 1024:
-			nand_chip->ecc.layout = &at91_oobinfo_large;
-			ecc_writel(host->ecc, MR, AT91_ECC_PAGESIZE_1056);
+			nand_chip->ecc.layout = &atmel_oobinfo_large;
+			ecc_writel(host->ecc, MR, ATMEL_ECC_PAGESIZE_1056);
 			break;
 		case 2048:
-			nand_chip->ecc.layout = &at91_oobinfo_large;
-			ecc_writel(host->ecc, MR, AT91_ECC_PAGESIZE_2112);
+			nand_chip->ecc.layout = &atmel_oobinfo_large;
+			ecc_writel(host->ecc, MR, ATMEL_ECC_PAGESIZE_2112);
 			break;
 		case 4096:
-			nand_chip->ecc.layout = &at91_oobinfo_large;
-			ecc_writel(host->ecc, MR, AT91_ECC_PAGESIZE_4224);
+			nand_chip->ecc.layout = &atmel_oobinfo_large;
+			ecc_writel(host->ecc, MR, ATMEL_ECC_PAGESIZE_4224);
 			break;
 		default:
 			/* page size not handled by HW ECC */
@@ -503,7 +503,7 @@
 
 #ifdef CONFIG_MTD_PARTITIONS
 #ifdef CONFIG_MTD_CMDLINE_PARTS
-	mtd->name = "at91_nand";
+	mtd->name = "atmel_nand";
 	num_partitions = parse_mtd_partitions(mtd, part_probes,
 					      &partitions, 0);
 #endif
@@ -512,7 +512,7 @@
 							 &num_partitions);
 
 	if ((!partitions) || (num_partitions == 0)) {
-		printk(KERN_ERR "at91_nand: No parititions defined, or unsupported device.\n");
+		printk(KERN_ERR "atmel_nand: No parititions defined, or unsupported device.\n");
 		res = ENXIO;
 		goto release;
 	}
@@ -534,7 +534,7 @@
 	iounmap(host->ecc);
 
 err_ecc_ioremap:
-	at91_nand_disable(host);
+	atmel_nand_disable(host);
 	platform_set_drvdata(pdev, NULL);
 	iounmap(host->io_base);
 	kfree(host);
@@ -544,14 +544,14 @@
 /*
  * Remove a NAND device.
  */
-static int __devexit at91_nand_remove(struct platform_device *pdev)
+static int __devexit atmel_nand_remove(struct platform_device *pdev)
 {
-	struct at91_nand_host *host = platform_get_drvdata(pdev);
+	struct atmel_nand_host *host = platform_get_drvdata(pdev);
 	struct mtd_info *mtd = &host->mtd;
 
 	nand_release(mtd);
 
-	at91_nand_disable(host);
+	atmel_nand_disable(host);
 
 	iounmap(host->io_base);
 	iounmap(host->ecc);
@@ -560,31 +560,31 @@
 	return 0;
 }
 
-static struct platform_driver at91_nand_driver = {
-	.probe		= at91_nand_probe,
-	.remove		= at91_nand_remove,
+static struct platform_driver atmel_nand_driver = {
+	.probe		= atmel_nand_probe,
+	.remove		= atmel_nand_remove,
 	.driver		= {
-		.name	= "at91_nand",
+		.name	= "atmel_nand",
 		.owner	= THIS_MODULE,
 	},
 };
 
-static int __init at91_nand_init(void)
+static int __init atmel_nand_init(void)
 {
-	return platform_driver_register(&at91_nand_driver);
+	return platform_driver_register(&atmel_nand_driver);
 }
 
 
-static void __exit at91_nand_exit(void)
+static void __exit atmel_nand_exit(void)
 {
-	platform_driver_unregister(&at91_nand_driver);
+	platform_driver_unregister(&atmel_nand_driver);
 }
 
 
-module_init(at91_nand_init);
-module_exit(at91_nand_exit);
+module_init(atmel_nand_init);
+module_exit(atmel_nand_exit);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Rick Bronson");
 MODULE_DESCRIPTION("NAND/SmartMedia driver for AT91 / AVR32");
-MODULE_ALIAS("platform:at91_nand");
+MODULE_ALIAS("platform:atmel_nand");