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-rw-r--r--drivers/mtd/mtdpart.c16
-rw-r--r--drivers/mtd/nand/nand_base.c238
-rw-r--r--drivers/mtd/nand/nand_bbt.c19
-rw-r--r--drivers/mtd/nand/nand_ecc.c17
-rw-r--r--drivers/mtd/nand/nand_util.c35
-rw-r--r--include/linux/mtd/mtd.h4
6 files changed, 1 insertions, 328 deletions
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index e2e43eaec4..f647e43668 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -230,18 +230,6 @@ static void part_sync(struct mtd_info *mtd)
part->master->sync(part->master);
}
-static int part_suspend(struct mtd_info *mtd)
-{
- struct mtd_part *part = PART(mtd);
- return part->master->suspend(part->master);
-}
-
-static void part_resume(struct mtd_info *mtd)
-{
- struct mtd_part *part = PART(mtd);
- part->master->resume(part->master);
-}
-
static int part_block_isbad(struct mtd_info *mtd, loff_t ofs)
{
struct mtd_part *part = PART(mtd);
@@ -339,10 +327,6 @@ static struct mtd_part *add_one_partition(struct mtd_info *master,
slave->mtd.get_fact_prot_info = part_get_fact_prot_info;
if (master->sync)
slave->mtd.sync = part_sync;
- if (!partno && master->suspend && master->resume) {
- slave->mtd.suspend = part_suspend;
- slave->mtd.resume = part_resume;
- }
if (master->lock)
slave->mtd.lock = part_lock;
if (master->unlock)
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 276dbfdd1d..21cc5a3940 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -32,30 +32,6 @@
*
*/
-/* XXX U-BOOT XXX */
-#if 0
-#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/compatmac.h>
-#include <linux/interrupt.h>
-#include <linux/bitops.h>
-#include <linux/leds.h>
-#include <asm/io.h>
-
-#ifdef CONFIG_MTD_PARTITIONS
-#include <linux/mtd/partitions.h>
-#endif
-
-#endif
-
#include <common.h>
#define ENOTSUPP 524 /* Operation is not supported */
@@ -75,10 +51,6 @@
#include <asm/io.h>
#include <asm/errno.h>
-#ifdef CONFIG_JFFS2_NAND
-#include <jffs2/jffs2.h>
-#endif
-
/*
* CONFIG_SYS_NAND_RESET_CNT is used as a timeout mechanism when resetting
* a flash. NAND flash is initialized prior to interrupts so standard timers
@@ -143,44 +115,17 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to,
static int nand_wait(struct mtd_info *mtd, struct nand_chip *this);
-/*
- * For devices which display every fart in the system on a separate LED. Is
- * compiled away when LED support is disabled.
- */
-/* XXX U-BOOT XXX */
-#if 0
-DEFINE_LED_TRIGGER(nand_led_trigger);
-#endif
-
/**
* nand_release_device - [GENERIC] release chip
* @mtd: MTD device structure
*
* Deselect, release chip lock and wake up anyone waiting on the device
*/
-/* XXX U-BOOT XXX */
-#if 0
-static void nand_release_device(struct mtd_info *mtd)
-{
- struct nand_chip *chip = mtd->priv;
-
- /* De-select the NAND device */
- chip->select_chip(mtd, -1);
-
- /* 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
static void nand_release_device (struct mtd_info *mtd)
{
struct nand_chip *this = mtd->priv;
this->select_chip(mtd, -1); /* De-select the NAND device */
}
-#endif
/**
* nand_read_byte - [DEFAULT] read one byte from the chip
@@ -490,24 +435,6 @@ static int nand_block_checkbad(struct mtd_info *mtd, loff_t ofs, int getchip,
* Wait for the ready pin, after a command
* The timeout is catched later.
*/
-/* XXX U-BOOT XXX */
-#if 0
-void nand_wait_ready(struct mtd_info *mtd)
-{
- struct nand_chip *chip = mtd->priv;
- unsigned long timeo = jiffies + 2;
-
- led_trigger_event(nand_led_trigger, LED_FULL);
- /* wait until command is processed or timeout occures */
- do {
- if (chip->dev_ready(mtd))
- break;
- touch_softlockup_watchdog();
- } while (time_before(jiffies, timeo));
- led_trigger_event(nand_led_trigger, LED_OFF);
-}
-EXPORT_SYMBOL_GPL(nand_wait_ready);
-#else
void nand_wait_ready(struct mtd_info *mtd)
{
struct nand_chip *chip = mtd->priv;
@@ -522,7 +449,6 @@ void nand_wait_ready(struct mtd_info *mtd)
break;
}
}
-#endif
/**
* nand_command - [DEFAULT] Send command to NAND device
@@ -759,45 +685,11 @@ static void nand_command_lp(struct mtd_info *mtd, unsigned int command,
*
* Get the device and lock it for exclusive access
*/
-/* XXX U-BOOT XXX */
-#if 0
-static int
-nand_get_device(struct nand_chip *chip, struct mtd_info *mtd, int new_state)
-{
- 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 independend devices */
- /* Hardware controller shared among independend 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) {
- spin_unlock(lock);
- return (chip->state == FL_PM_SUSPENDED) ? 0 : -EAGAIN;
- }
- set_current_state(TASK_UNINTERRUPTIBLE);
- add_wait_queue(wq, &wait);
- spin_unlock(lock);
- schedule();
- remove_wait_queue(wq, &wait);
- goto retry;
-}
-#else
static int nand_get_device (struct nand_chip *this, struct mtd_info *mtd, int new_state)
{
this->state = new_state;
return 0;
}
-#endif
/**
* nand_wait - [DEFAULT] wait until the command is done
@@ -808,46 +700,6 @@ static int nand_get_device (struct nand_chip *this, struct mtd_info *mtd, int ne
* Erase can take up to 400ms and program up to 20ms according to
* general NAND and SmartMedia specs
*/
-/* XXX U-BOOT XXX */
-#if 0
-static int nand_wait(struct mtd_info *mtd, struct nand_chip *chip)
-{
-
- unsigned long timeo = jiffies;
- int status, state = chip->state;
-
- if (state == FL_ERASING)
- timeo += (HZ * 400) / 1000;
- else
- timeo += (HZ * 20) / 1000;
-
- led_trigger_event(nand_led_trigger, LED_FULL);
-
- /* Apply this short delay always to ensure that we do wait tWB in
- * any case on any machine. */
- ndelay(100);
-
- if ((state == FL_ERASING) && (chip->options & NAND_IS_AND))
- chip->cmdfunc(mtd, NAND_CMD_STATUS_MULTI, -1, -1);
- else
- chip->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1);
-
- 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();
- }
- led_trigger_event(nand_led_trigger, LED_OFF);
-
- status = (int)chip->read_byte(mtd);
- return status;
-}
-#else
static int nand_wait(struct mtd_info *mtd, struct nand_chip *this)
{
unsigned long timeo;
@@ -886,7 +738,6 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *this)
return this->read_byte(mtd);
}
-#endif
/**
* nand_read_page_raw - [Intern] read raw page data without ecc
@@ -2516,32 +2367,6 @@ static int nand_block_markbad(struct mtd_info *mtd, loff_t ofs)
return chip->block_markbad(mtd, ofs);
}
-/**
- * nand_suspend - [MTD Interface] Suspend the NAND flash
- * @mtd: MTD device structure
- */
-static int nand_suspend(struct mtd_info *mtd)
-{
- struct nand_chip *chip = mtd->priv;
-
- return nand_get_device(chip, 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
- printk(KERN_ERR "nand_resume() called for a chip which is not "
- "in suspended state\n");
-}
-
/*
* Set default functions
*/
@@ -2577,17 +2402,8 @@ static void nand_set_defaults(struct nand_chip *chip, int busw)
chip->verify_buf = busw ? nand_verify_buf16 : nand_verify_buf;
if (!chip->scan_bbt)
chip->scan_bbt = nand_default_bbt;
-
- if (!chip->controller) {
+ if (!chip->controller)
chip->controller = &chip->hwcontrol;
-
- /* XXX U-BOOT XXX */
-#if 0
- spin_lock_init(&chip->controller->lock);
- init_waitqueue_head(&chip->controller->wq);
-#endif
- }
-
}
/*
@@ -3021,8 +2837,6 @@ int nand_scan_tail(struct mtd_info *mtd)
mtd->sync = nand_sync;
mtd->lock = NULL;
mtd->unlock = NULL;
- mtd->suspend = nand_suspend;
- mtd->resume = nand_resume;
mtd->block_isbad = nand_block_isbad;
mtd->block_markbad = nand_block_markbad;
@@ -3036,16 +2850,6 @@ int nand_scan_tail(struct mtd_info *mtd)
return 0;
}
-/* module_text_address() isn't exported, and it's mostly a pointless
- test if this is a module _anyway_ -- they'd have to try _really_ hard
- to call us from in-kernel code if the core NAND support is modular. */
-#ifdef MODULE
-#define caller_is_module() (1)
-#else
-#define caller_is_module() \
- module_text_address((unsigned long)__builtin_return_address(0))
-#endif
-
/**
* nand_scan - [NAND Interface] Scan for the NAND device
* @mtd: MTD device structure
@@ -3062,15 +2866,6 @@ int nand_scan(struct mtd_info *mtd, int maxchips)
{
int ret;
- /* Many callers got this wrong, so check for it for a while... */
- /* XXX U-BOOT XXX */
-#if 0
- if (!mtd->owner && caller_is_module()) {
- printk(KERN_CRIT "nand_scan() called with NULL mtd->owner!\n");
- BUG();
- }
-#endif
-
ret = nand_scan_ident(mtd, maxchips);
if (!ret)
ret = nand_scan_tail(mtd);
@@ -3089,40 +2884,9 @@ void nand_release(struct mtd_info *mtd)
/* Deregister partitions */
del_mtd_partitions(mtd);
#endif
- /* Deregister the device */
- /* XXX U-BOOT XXX */
-#if 0
- del_mtd_device(mtd);
-#endif
/* Free bad block table memory */
kfree(chip->bbt);
if (!(chip->options & NAND_OWN_BUFFERS))
kfree(chip->buffers);
}
-
-/* XXX U-BOOT XXX */
-#if 0
-EXPORT_SYMBOL_GPL(nand_scan);
-EXPORT_SYMBOL_GPL(nand_scan_ident);
-EXPORT_SYMBOL_GPL(nand_scan_tail);
-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);
-}
-
-module_init(nand_base_init);
-module_exit(nand_base_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Steven J. Hill <sjhill@realitydiluted.com>, Thomas Gleixner <tglx@linutronix.de>");
-MODULE_DESCRIPTION("Generic NAND flash driver code");
-#endif
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index 2fe68abe1d..521dddec27 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -58,19 +58,6 @@
#include <asm/errno.h>
-/* XXX U-BOOT XXX */
-#if 0
-#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/compatmac.h>
-#include <linux/bitops.h>
-#include <linux/delay.h>
-#include <linux/vmalloc.h>
-#endif
-
/**
* check_pattern - [GENERIC] check if a pattern is in the buffer
* @buf: the buffer to search
@@ -1231,9 +1218,3 @@ int nand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt)
}
return 1;
}
-
-/* XXX U-BOOT XXX */
-#if 0
-EXPORT_SYMBOL(nand_scan_bbt);
-EXPORT_SYMBOL(nand_default_bbt);
-#endif
diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c
index 463f9cb4d4..52bc916afb 100644
--- a/drivers/mtd/nand/nand_ecc.c
+++ b/drivers/mtd/nand/nand_ecc.c
@@ -37,14 +37,6 @@
#include <common.h>
-/* XXX U-BOOT XXX */
-#if 0
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/mtd/nand_ecc.h>
-#endif
-
#include <asm/errno.h>
#include <linux/mtd/mtd.h>
@@ -140,10 +132,6 @@ int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
return 0;
}
-/* XXX U-BOOT XXX */
-#if 0
-EXPORT_SYMBOL(nand_calculate_ecc);
-#endif
#endif /* CONFIG_NAND_SPL */
static inline int countbits(uint32_t byte)
@@ -212,8 +200,3 @@ int nand_correct_data(struct mtd_info *mtd, u_char *dat,
return -EBADMSG;
}
-
-/* XXX U-BOOT XXX */
-#if 0
-EXPORT_SYMBOL(nand_correct_data);
-#endif
diff --git a/drivers/mtd/nand/nand_util.c b/drivers/mtd/nand/nand_util.c
index 6a5dd372cc..22c7411694 100644
--- a/drivers/mtd/nand/nand_util.c
+++ b/drivers/mtd/nand/nand_util.c
@@ -211,41 +211,6 @@ int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts)
return 0;
}
-/* XXX U-BOOT XXX */
-#if 0
-
-#define MAX_PAGE_SIZE 2048
-#define MAX_OOB_SIZE 64
-
-/*
- * buffer array used for writing data
- */
-static unsigned char data_buf[MAX_PAGE_SIZE];
-static unsigned char oob_buf[MAX_OOB_SIZE];
-
-/* OOB layouts to pass into the kernel as default */
-static struct nand_ecclayout none_ecclayout = {
- .useecc = MTD_NANDECC_OFF,
-};
-
-static struct nand_ecclayout jffs2_ecclayout = {
- .useecc = MTD_NANDECC_PLACE,
- .eccbytes = 6,
- .eccpos = { 0, 1, 2, 3, 6, 7 }
-};
-
-static struct nand_ecclayout yaffs_ecclayout = {
- .useecc = MTD_NANDECC_PLACE,
- .eccbytes = 6,
- .eccpos = { 8, 9, 10, 13, 14, 15}
-};
-
-static struct nand_ecclayout autoplace_ecclayout = {
- .useecc = MTD_NANDECC_AUTOPLACE
-};
-#endif
-
-/* XXX U-BOOT XXX */
#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
/******************************************************************************
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 16556c4798..f1cdf23aa0 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -208,10 +208,6 @@ struct mtd_info {
int (*lock) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
int (*unlock) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
- /* Power Management functions */
- int (*suspend) (struct mtd_info *mtd);
- void (*resume) (struct mtd_info *mtd);
-
/* Bad block management functions */
int (*block_isbad) (struct mtd_info *mtd, loff_t ofs);
int (*block_markbad) (struct mtd_info *mtd, loff_t ofs);
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