diff options
| author | Scott Wood <scottwood@freescale.com> | 2015-06-22 22:38:32 -0500 | 
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2015-08-25 22:53:57 -0500 | 
| commit | 273310644f4aef806d84d5b8b70c45aa60e7caaf (patch) | |
| tree | 9c118f8aa64efb347f12a0f9df17b556498ad042 /drivers/mtd/nand/nand_base.c | |
| parent | c851a2458fbc12495f4f786d4eabb612850a5143 (diff) | |
nand: Remove __UBOOT__ ifdefs
I didn't approve the patch that added them.  Get them out of the way
before doing a sync.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Diffstat (limited to 'drivers/mtd/nand/nand_base.c')
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 397 | 
1 files changed, 1 insertions, 396 deletions
| diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index c0e381ad2d1..a488722ea61 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -29,26 +29,6 @@   *   */ -#ifndef __UBOOT__ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/module.h> -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/types.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/nand.h> -#include <linux/mtd/nand_ecc.h> -#include <linux/mtd/nand_bch.h> -#include <linux/interrupt.h> -#include <linux/bitops.h> -#include <linux/leds.h> -#include <linux/io.h> -#include <linux/mtd/partitions.h> -#else  #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt  #include <common.h>  #include <malloc.h> @@ -77,7 +57,6 @@  #endif  static bool is_module_text_address(unsigned long addr) {return 0;} -#endif  /* Define default oob placement schemes for large and small page devices */  static struct nand_ecclayout nand_oob_8 = { @@ -165,17 +144,8 @@ static void nand_release_device(struct mtd_info *mtd)  {  	struct nand_chip *chip = mtd->priv; -#ifndef __UBOOT__ -	/* Release the controller and the chip */ -	spin_lock(&chip->controller->lock); -	chip->controller->active = NULL; -	chip->state = FL_READY; -	wake_up(&chip->controller->wq); -	spin_unlock(&chip->controller->lock); -#else  	/* De-select the NAND device */  	chip->select_chip(mtd, -1); -#endif  }  /** @@ -184,11 +154,7 @@ static void nand_release_device(struct mtd_info *mtd)   *   * Default read function for 8bit buswidth   */ -#ifndef __UBOOT__ -static uint8_t nand_read_byte(struct mtd_info *mtd) -#else  uint8_t nand_read_byte(struct mtd_info *mtd) -#endif  {  	struct nand_chip *chip = mtd->priv;  	return readb(chip->IO_ADDR_R); @@ -288,7 +254,7 @@ static void nand_write_byte16(struct mtd_info *mtd, uint8_t byte)  	chip->write_buf(mtd, (uint8_t *)&word, 2);  } -#if defined(__UBOOT__) && !defined(CONFIG_BLACKFIN) +#if !defined(CONFIG_BLACKFIN)  static void iowrite8_rep(void *addr, const uint8_t *buf, int len)  {  	int i; @@ -331,11 +297,7 @@ static void iowrite16_rep(void *addr, void *buf, int len)   *   * Default write function for 8bit buswidth.   */ -#ifndef __UBOOT__ -static void nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) -#else  void nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) -#endif  {  	struct nand_chip *chip = mtd->priv; @@ -350,11 +312,7 @@ void nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)   *   * Default read function for 8bit buswidth.   */ -#ifndef __UBOOT__ -static void nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) -#else  void nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) -#endif  {  	struct nand_chip *chip = mtd->priv; @@ -369,11 +327,7 @@ void nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)   *   * Default write function for 16bit buswidth.   */ -#ifndef __UBOOT__ -static void nand_write_buf16(struct mtd_info *mtd, const uint8_t *buf, int len) -#else  void nand_write_buf16(struct mtd_info *mtd, const uint8_t *buf, int len) -#endif  {  	struct nand_chip *chip = mtd->priv;  	u16 *p = (u16 *) buf; @@ -389,11 +343,7 @@ void nand_write_buf16(struct mtd_info *mtd, const uint8_t *buf, int len)   *   * Default read function for 16bit buswidth.   */ -#ifndef __UBOOT__ -static void nand_read_buf16(struct mtd_info *mtd, uint8_t *buf, int len) -#else  void nand_read_buf16(struct mtd_info *mtd, uint8_t *buf, int len) -#endif  {  	struct nand_chip *chip = mtd->priv;  	u16 *p = (u16 *) buf; @@ -602,50 +552,10 @@ static int nand_block_checkbad(struct mtd_info *mtd, loff_t ofs, int getchip,  	return nand_isbad_bbt(mtd, ofs, allowbbt);  } -#ifndef __UBOOT__ -/** - * panic_nand_wait_ready - [GENERIC] Wait for the ready pin after commands. - * @mtd: MTD device structure - * @timeo: Timeout - * - * Helper function for nand_wait_ready used when needing to wait in interrupt - * context. - */ -static void panic_nand_wait_ready(struct mtd_info *mtd, unsigned long timeo) -{ -	struct nand_chip *chip = mtd->priv; -	int i; - -	/* Wait for the device to get ready */ -	for (i = 0; i < timeo; i++) { -		if (chip->dev_ready(mtd)) -			break; -		touch_softlockup_watchdog(); -		mdelay(1); -	} -} -#endif -  /* Wait for the ready pin, after a command. The timeout is caught later. */  void nand_wait_ready(struct mtd_info *mtd)  {  	struct nand_chip *chip = mtd->priv; -#ifndef __UBOOT__ -	unsigned long timeo = jiffies + msecs_to_jiffies(20); - -	/* 400ms timeout */ -	if (in_interrupt() || oops_in_progress) -		return panic_nand_wait_ready(mtd, 400); - -	led_trigger_event(nand_led_trigger, LED_FULL); -	/* Wait until command is processed or timeout occurs */ -	do { -		if (chip->dev_ready(mtd)) -			break; -		touch_softlockup_watchdog(); -	} while (time_before(jiffies, timeo)); -	led_trigger_event(nand_led_trigger, LED_OFF); -#else  	u32 timeo = (CONFIG_SYS_HZ * 20) / 1000;  	u32 time_start; @@ -656,7 +566,6 @@ void nand_wait_ready(struct mtd_info *mtd)  			if (chip->dev_ready(mtd))  				break;  	} -#endif  }  EXPORT_SYMBOL_GPL(nand_wait_ready); @@ -903,39 +812,8 @@ static int  nand_get_device(struct mtd_info *mtd, int new_state)  {  	struct nand_chip *chip = mtd->priv; -#ifndef __UBOOT__ -	spinlock_t *lock = &chip->controller->lock; -	wait_queue_head_t *wq = &chip->controller->wq; -	DECLARE_WAITQUEUE(wait, current); -retry: -	spin_lock(lock); - -	/* Hardware controller shared among independent devices */ -	if (!chip->controller->active) -		chip->controller->active = chip; - -	if (chip->controller->active == chip && chip->state == FL_READY) { -		chip->state = new_state; -		spin_unlock(lock); -		return 0; -	} -	if (new_state == FL_PM_SUSPENDED) { -		if (chip->controller->active->state == FL_PM_SUSPENDED) { -			chip->state = FL_PM_SUSPENDED; -			spin_unlock(lock); -			return 0; -		} -	} -	set_current_state(TASK_UNINTERRUPTIBLE); -	add_wait_queue(wq, &wait); -	spin_unlock(lock); -	schedule(); -	remove_wait_queue(wq, &wait); -	goto retry; -#else  	chip->state = new_state;  	return 0; -#endif  }  /** @@ -989,23 +867,6 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *chip)  	chip->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1); -#ifndef __UBOOT__ -	if (in_interrupt() || oops_in_progress) -		panic_nand_wait(mtd, chip, timeo); -	else { -		timeo = jiffies + msecs_to_jiffies(timeo); -		while (time_before(jiffies, timeo)) { -			if (chip->dev_ready) { -				if (chip->dev_ready(mtd)) -					break; -			} else { -				if (chip->read_byte(mtd) & NAND_STATUS_READY) -					break; -			} -			cond_resched(); -		} -	} -#else   	u32 timer = (CONFIG_SYS_HZ * timeo) / 1000;   	u32 time_start; @@ -1019,7 +880,6 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *chip)  				break;  		}  	} -#endif  	led_trigger_event(nand_led_trigger, LED_OFF);  	status = (int)chip->read_byte(mtd); @@ -1028,162 +888,6 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *chip)  	return status;  } -#ifndef __UBOOT__ -/** - * __nand_unlock - [REPLACEABLE] unlocks specified locked blocks - * @mtd: mtd info - * @ofs: offset to start unlock from - * @len: length to unlock - * @invert: when = 0, unlock the range of blocks within the lower and - *                    upper boundary address - *          when = 1, unlock the range of blocks outside the boundaries - *                    of the lower and upper boundary address - * - * Returs unlock status. - */ -static int __nand_unlock(struct mtd_info *mtd, loff_t ofs, -					uint64_t len, int invert) -{ -	int ret = 0; -	int status, page; -	struct nand_chip *chip = mtd->priv; - -	/* Submit address of first page to unlock */ -	page = ofs >> chip->page_shift; -	chip->cmdfunc(mtd, NAND_CMD_UNLOCK1, -1, page & chip->pagemask); - -	/* Submit address of last page to unlock */ -	page = (ofs + len) >> chip->page_shift; -	chip->cmdfunc(mtd, NAND_CMD_UNLOCK2, -1, -				(page | invert) & chip->pagemask); - -	/* Call wait ready function */ -	status = chip->waitfunc(mtd, chip); -	/* See if device thinks it succeeded */ -	if (status & NAND_STATUS_FAIL) { -		pr_debug("%s: error status = 0x%08x\n", -					__func__, status); -		ret = -EIO; -	} - -	return ret; -} - -/** - * nand_unlock - [REPLACEABLE] unlocks specified locked blocks - * @mtd: mtd info - * @ofs: offset to start unlock from - * @len: length to unlock - * - * Returns unlock status. - */ -int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) -{ -	int ret = 0; -	int chipnr; -	struct nand_chip *chip = mtd->priv; - -	pr_debug("%s: start = 0x%012llx, len = %llu\n", -			__func__, (unsigned long long)ofs, len); - -	if (check_offs_len(mtd, ofs, len)) -		ret = -EINVAL; - -	/* Align to last block address if size addresses end of the device */ -	if (ofs + len == mtd->size) -		len -= mtd->erasesize; - -	nand_get_device(mtd, FL_UNLOCKING); - -	/* Shift to get chip number */ -	chipnr = ofs >> chip->chip_shift; - -	chip->select_chip(mtd, chipnr); - -	/* Check, if it is write protected */ -	if (nand_check_wp(mtd)) { -		pr_debug("%s: device is write protected!\n", -					__func__); -		ret = -EIO; -		goto out; -	} - -	ret = __nand_unlock(mtd, ofs, len, 0); - -out: -	chip->select_chip(mtd, -1); -	nand_release_device(mtd); - -	return ret; -} -EXPORT_SYMBOL(nand_unlock); - -/** - * nand_lock - [REPLACEABLE] locks all blocks present in the device - * @mtd: mtd info - * @ofs: offset to start unlock from - * @len: length to unlock - * - * This feature is not supported in many NAND parts. 'Micron' NAND parts do - * have this feature, but it allows only to lock all blocks, not for specified - * range for block. Implementing 'lock' feature by making use of 'unlock', for - * now. - * - * Returns lock status. - */ -int nand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len) -{ -	int ret = 0; -	int chipnr, status, page; -	struct nand_chip *chip = mtd->priv; - -	pr_debug("%s: start = 0x%012llx, len = %llu\n", -			__func__, (unsigned long long)ofs, len); - -	if (check_offs_len(mtd, ofs, len)) -		ret = -EINVAL; - -	nand_get_device(mtd, FL_LOCKING); - -	/* Shift to get chip number */ -	chipnr = ofs >> chip->chip_shift; - -	chip->select_chip(mtd, chipnr); - -	/* Check, if it is write protected */ -	if (nand_check_wp(mtd)) { -		pr_debug("%s: device is write protected!\n", -					__func__); -		status = MTD_ERASE_FAILED; -		ret = -EIO; -		goto out; -	} - -	/* Submit address of first page to lock */ -	page = ofs >> chip->page_shift; -	chip->cmdfunc(mtd, NAND_CMD_LOCK, -1, page & chip->pagemask); - -	/* Call wait ready function */ -	status = chip->waitfunc(mtd, chip); -	/* See if device thinks it succeeded */ -	if (status & NAND_STATUS_FAIL) { -		pr_debug("%s: error status = 0x%08x\n", -					__func__, status); -		ret = -EIO; -		goto out; -	} - -	ret = __nand_unlock(mtd, ofs, len, 0x1); - -out: -	chip->select_chip(mtd, -1); -	nand_release_device(mtd); - -	return ret; -} -EXPORT_SYMBOL(nand_lock); -#endif -  /**   * nand_read_page_raw - [INTERN] read raw page data without ecc   * @mtd: mtd info structure @@ -2479,13 +2183,8 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,  	if (!writelen)  		return 0; -#ifndef __UBOOT__ -	/* Reject writes, which are not page aligned */ -	if (NOTALIGNED(to) || NOTALIGNED(ops->len)) { -#else  	/* Reject writes, which are not page aligned */  	if (NOTALIGNED(to)) { -#endif  		pr_notice("%s: attempt to write non page aligned data\n",  			   __func__);  		return -EINVAL; @@ -3013,31 +2712,6 @@ static int nand_onfi_get_features(struct mtd_info *mtd, struct nand_chip *chip,  	return 0;  } -#ifndef __UBOOT__ -/** - * nand_suspend - [MTD Interface] Suspend the NAND flash - * @mtd: MTD device structure - */ -static int nand_suspend(struct mtd_info *mtd) -{ -	return nand_get_device(mtd, FL_PM_SUSPENDED); -} - -/** - * nand_resume - [MTD Interface] Resume the NAND flash - * @mtd: MTD device structure - */ -static void nand_resume(struct mtd_info *mtd) -{ -	struct nand_chip *chip = mtd->priv; - -	if (chip->state == FL_PM_SUSPENDED) -		nand_release_device(mtd); -	else -		pr_err("%s called for a chip which is not in suspended state\n", -			__func__); -} -#endif  /* Set default functions */  static void nand_set_defaults(struct nand_chip *chip, int busw) @@ -3090,11 +2764,7 @@ static void nand_set_defaults(struct nand_chip *chip, int busw)  }  /* Sanitize ONFI strings so we can safely print them */ -#ifndef __UBOOT__ -static void sanitize_string(uint8_t *s, size_t len) -#else  static void sanitize_string(char *s, size_t len) -#endif  {  	ssize_t i; @@ -3160,11 +2830,7 @@ static int nand_flash_detect_ext_param_page(struct mtd_info *mtd,  	 * Check the signature.  	 * Do not strictly follow the ONFI spec, maybe changed in future.  	 */ -#ifndef __UBOOT__ -	if (strncmp(ep->sig, "EPPS", 4)) { -#else  	if (strncmp((char *)ep->sig, "EPPS", 4)) { -#endif  		pr_debug("The signature is invalid.\n");  		goto ext_out;  	} @@ -3695,11 +3361,7 @@ static inline bool is_full_id_nand(struct nand_flash_dev *type)  static bool find_full_id_nand(struct mtd_info *mtd, struct nand_chip *chip,  		   struct nand_flash_dev *type, u8 *id_data, int *busw)  { -#ifndef __UBOOT__ -	if (!strncmp(type->id, id_data, type->id_len)) { -#else  	if (!strncmp((char *)type->id, (char *)id_data, type->id_len)) { -#endif  		mtd->writesize = type->pagesize;  		mtd->erasesize = type->erasesize;  		mtd->oobsize = type->oobsize; @@ -3980,18 +3642,7 @@ int nand_scan_tail(struct mtd_info *mtd)  			!(chip->bbt_options & NAND_BBT_USE_FLASH));  	if (!(chip->options & NAND_OWN_BUFFERS)) { -#ifndef __UBOOT__ -		nbuf = kzalloc(sizeof(*nbuf) + mtd->writesize -				+ mtd->oobsize * 3, GFP_KERNEL); -		if (!nbuf) -			return -ENOMEM; -		nbuf->ecccalc = (uint8_t *)(nbuf + 1); -		nbuf->ecccode = nbuf->ecccalc + mtd->oobsize; -		nbuf->databuf = nbuf->ecccode + mtd->oobsize; -#else  		nbuf = kzalloc(sizeof(struct nand_buffers), GFP_KERNEL); -#endif -  		chip->buffers = nbuf;  	} else {  		if (!chip->buffers) @@ -4224,10 +3875,6 @@ int nand_scan_tail(struct mtd_info *mtd)  	mtd->flags = (chip->options & NAND_ROM) ? MTD_CAP_ROM :  						MTD_CAP_NANDFLASH;  	mtd->_erase = nand_erase; -#ifndef __UBOOT__ -	mtd->_point = NULL; -	mtd->_unpoint = NULL; -#endif  	mtd->_read = nand_read;  	mtd->_write = nand_write;  	mtd->_panic_write = panic_nand_write; @@ -4236,10 +3883,6 @@ int nand_scan_tail(struct mtd_info *mtd)  	mtd->_sync = nand_sync;  	mtd->_lock = NULL;  	mtd->_unlock = NULL; -#ifndef __UBOOT__ -	mtd->_suspend = nand_suspend; -	mtd->_resume = nand_resume; -#endif  	mtd->_block_isbad = nand_block_isbad;  	mtd->_block_markbad = nand_block_markbad;  	mtd->writebufsize = mtd->writesize; @@ -4299,44 +3942,6 @@ int nand_scan(struct mtd_info *mtd, int maxchips)  }  EXPORT_SYMBOL(nand_scan); -#ifndef __UBOOT__ -/** - * nand_release - [NAND Interface] Free resources held by the NAND device - * @mtd: MTD device structure - */ -void nand_release(struct mtd_info *mtd) -{ -	struct nand_chip *chip = mtd->priv; - -	if (chip->ecc.mode == NAND_ECC_SOFT_BCH) -		nand_bch_free((struct nand_bch_control *)chip->ecc.priv); - -	mtd_device_unregister(mtd); - -	/* Free bad block table memory */ -	kfree(chip->bbt); -	if (!(chip->options & NAND_OWN_BUFFERS)) -		kfree(chip->buffers); - -	/* Free bad block descriptor memory */ -	if (chip->badblock_pattern && chip->badblock_pattern->options -			& NAND_BBT_DYNAMICSTRUCT) -		kfree(chip->badblock_pattern); -} -EXPORT_SYMBOL_GPL(nand_release); - -static int __init nand_base_init(void) -{ -	led_trigger_register_simple("nand-disk", &nand_led_trigger); -	return 0; -} - -static void __exit nand_base_exit(void) -{ -	led_trigger_unregister_simple(nand_led_trigger); -} -#endif -  module_init(nand_base_init);  module_exit(nand_base_exit); | 
