mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-20 17:44:33 +08:00
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6:
[MTD] Use SEEK_{SET,CUR,END} instead of hardcoded values in mtdchar lseek()
MTD: Fix bug in fixup_convert_atmel_pri
[JFFS2][SUMMARY] Fix a summary collecting bug.
[PATCH] [MTD] DEVICES: Fill more device IDs in the structure of m25p80
MTD: Add lock/unlock operations for Atmel AT49BV6416
MTD: Convert Atmel PRI information to AMD format
fs/jffs2/xattr.c: remove dead code
[PATCH] [MTD] Maps: Add dependency on alternate probe methods to physmap
[PATCH] MTD: Add Macronix MX29F040 to JEDEC
[MTD] Fixes of performance and stability issues in CFI driver.
block2mtd.c: Make kernel boot command line arguments work (try 4)
[MTD NAND] Fix lookup error in nand_get_flash_type()
remove #error on !PCI from pmc551.c
MTD: [NAND] Fix the sharpsl driver after breakage from a core conversion
[MTD] NAND: OOB buffer offset fixups
make fs/jffs2/nodelist.c:jffs2_obsolete_node_frag() static
[PATCH] [MTD] NAND: fix dead URL in Kconfig
This commit is contained in:
Linus Torvalds
commit
ab5cfd2aa3
@ -908,7 +908,7 @@ static void __xipram xip_enable(struct map_info *map, struct flchip *chip,
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static int __xipram xip_wait_for_operation(
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struct map_info *map, struct flchip *chip,
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unsigned long adr, int *chip_op_time )
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unsigned long adr, unsigned int chip_op_time )
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{
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struct cfi_private *cfi = map->fldrv_priv;
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struct cfi_pri_intelext *cfip = cfi->cmdset_priv;
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@ -917,7 +917,7 @@ static int __xipram xip_wait_for_operation(
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flstate_t oldstate, newstate;
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start = xip_currtime();
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usec = *chip_op_time * 8;
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usec = chip_op_time * 8;
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if (usec == 0)
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usec = 500000;
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done = 0;
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@ -1027,8 +1027,8 @@ static int __xipram xip_wait_for_operation(
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#define XIP_INVAL_CACHED_RANGE(map, from, size) \
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INVALIDATE_CACHED_RANGE(map, from, size)
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#define INVAL_CACHE_AND_WAIT(map, chip, cmd_adr, inval_adr, inval_len, p_usec) \
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xip_wait_for_operation(map, chip, cmd_adr, p_usec)
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#define INVAL_CACHE_AND_WAIT(map, chip, cmd_adr, inval_adr, inval_len, usec) \
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xip_wait_for_operation(map, chip, cmd_adr, usec)
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#else
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@ -1040,64 +1040,64 @@ static int __xipram xip_wait_for_operation(
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static int inval_cache_and_wait_for_operation(
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struct map_info *map, struct flchip *chip,
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unsigned long cmd_adr, unsigned long inval_adr, int inval_len,
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int *chip_op_time )
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unsigned int chip_op_time)
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{
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struct cfi_private *cfi = map->fldrv_priv;
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map_word status, status_OK = CMD(0x80);
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int z, chip_state = chip->state;
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unsigned long timeo;
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int chip_state = chip->state;
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unsigned int timeo, sleep_time;
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spin_unlock(chip->mutex);
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if (inval_len)
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INVALIDATE_CACHED_RANGE(map, inval_adr, inval_len);
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if (*chip_op_time)
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cfi_udelay(*chip_op_time);
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spin_lock(chip->mutex);
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timeo = *chip_op_time * 8 * HZ / 1000000;
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if (timeo < HZ/2)
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timeo = HZ/2;
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timeo += jiffies;
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/* set our timeout to 8 times the expected delay */
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timeo = chip_op_time * 8;
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if (!timeo)
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timeo = 500000;
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sleep_time = chip_op_time / 2;
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z = 0;
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for (;;) {
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if (chip->state != chip_state) {
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/* Someone's suspended the operation: sleep */
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DECLARE_WAITQUEUE(wait, current);
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set_current_state(TASK_UNINTERRUPTIBLE);
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add_wait_queue(&chip->wq, &wait);
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spin_unlock(chip->mutex);
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schedule();
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remove_wait_queue(&chip->wq, &wait);
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timeo = jiffies + (HZ / 2); /* FIXME */
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spin_lock(chip->mutex);
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continue;
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}
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status = map_read(map, cmd_adr);
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if (map_word_andequal(map, status, status_OK, status_OK))
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break;
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/* OK Still waiting */
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if (time_after(jiffies, timeo)) {
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if (!timeo) {
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map_write(map, CMD(0x70), cmd_adr);
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chip->state = FL_STATUS;
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return -ETIME;
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}
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/* Latency issues. Drop the lock, wait a while and retry */
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z++;
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/* OK Still waiting. Drop the lock, wait a while and retry. */
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spin_unlock(chip->mutex);
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cfi_udelay(1);
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if (sleep_time >= 1000000/HZ) {
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/*
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* Half of the normal delay still remaining
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* can be performed with a sleeping delay instead
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* of busy waiting.
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*/
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msleep(sleep_time/1000);
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timeo -= sleep_time;
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sleep_time = 1000000/HZ;
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} else {
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udelay(1);
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cond_resched();
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timeo--;
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}
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spin_lock(chip->mutex);
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}
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if (!z) {
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if (!--(*chip_op_time))
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*chip_op_time = 1;
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} else if (z > 1)
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++(*chip_op_time);
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if (chip->state != chip_state) {
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/* Someone's suspended the operation: sleep */
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DECLARE_WAITQUEUE(wait, current);
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set_current_state(TASK_UNINTERRUPTIBLE);
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add_wait_queue(&chip->wq, &wait);
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spin_unlock(chip->mutex);
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schedule();
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remove_wait_queue(&chip->wq, &wait);
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spin_lock(chip->mutex);
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}
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}
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/* Done and happy. */
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chip->state = FL_STATUS;
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@ -1107,8 +1107,7 @@ static int inval_cache_and_wait_for_operation(
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#endif
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#define WAIT_TIMEOUT(map, chip, adr, udelay) \
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({ int __udelay = (udelay); \
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INVAL_CACHE_AND_WAIT(map, chip, adr, 0, 0, &__udelay); })
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INVAL_CACHE_AND_WAIT(map, chip, adr, 0, 0, udelay);
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static int do_point_onechip (struct map_info *map, struct flchip *chip, loff_t adr, size_t len)
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@ -1332,7 +1331,7 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
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ret = INVAL_CACHE_AND_WAIT(map, chip, adr,
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adr, map_bankwidth(map),
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&chip->word_write_time);
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chip->word_write_time);
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if (ret) {
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xip_enable(map, chip, adr);
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printk(KERN_ERR "%s: word write error (status timeout)\n", map->name);
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@ -1569,7 +1568,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
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ret = INVAL_CACHE_AND_WAIT(map, chip, cmd_adr,
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adr, len,
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&chip->buffer_write_time);
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chip->buffer_write_time);
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if (ret) {
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map_write(map, CMD(0x70), cmd_adr);
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chip->state = FL_STATUS;
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@ -1704,7 +1703,7 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
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ret = INVAL_CACHE_AND_WAIT(map, chip, adr,
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adr, len,
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&chip->erase_time);
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chip->erase_time);
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if (ret) {
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map_write(map, CMD(0x70), adr);
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chip->state = FL_STATUS;
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@ -45,9 +45,11 @@
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#define MAX_WORD_RETRIES 3
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#define MANUFACTURER_AMD 0x0001
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#define MANUFACTURER_ATMEL 0x001F
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#define MANUFACTURER_SST 0x00BF
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#define SST49LF004B 0x0060
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#define SST49LF008A 0x005a
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#define AT49BV6416 0x00d6
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static int cfi_amdstd_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
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static int cfi_amdstd_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
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@ -68,6 +70,9 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
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static void put_chip(struct map_info *map, struct flchip *chip, unsigned long adr);
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#include "fwh_lock.h"
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static int cfi_atmel_lock(struct mtd_info *mtd, loff_t ofs, size_t len);
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static int cfi_atmel_unlock(struct mtd_info *mtd, loff_t ofs, size_t len);
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static struct mtd_chip_driver cfi_amdstd_chipdrv = {
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.probe = NULL, /* Not usable directly */
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.destroy = cfi_amdstd_destroy,
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@ -161,6 +166,26 @@ static void fixup_use_write_buffers(struct mtd_info *mtd, void *param)
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}
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}
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/* Atmel chips don't use the same PRI format as AMD chips */
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static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param)
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{
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struct map_info *map = mtd->priv;
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struct cfi_private *cfi = map->fldrv_priv;
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struct cfi_pri_amdstd *extp = cfi->cmdset_priv;
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struct cfi_pri_atmel atmel_pri;
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memcpy(&atmel_pri, extp, sizeof(atmel_pri));
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memset((char *)extp + 5, 0, sizeof(*extp) - 5);
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if (atmel_pri.Features & 0x02)
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extp->EraseSuspend = 2;
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if (atmel_pri.BottomBoot)
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extp->TopBottom = 2;
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else
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extp->TopBottom = 3;
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}
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static void fixup_use_secsi(struct mtd_info *mtd, void *param)
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{
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/* Setup for chips with a secsi area */
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@ -179,6 +204,16 @@ static void fixup_use_erase_chip(struct mtd_info *mtd, void *param)
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}
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/*
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* Some Atmel chips (e.g. the AT49BV6416) power-up with all sectors
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* locked by default.
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*/
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static void fixup_use_atmel_lock(struct mtd_info *mtd, void *param)
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{
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mtd->lock = cfi_atmel_lock;
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mtd->unlock = cfi_atmel_unlock;
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}
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static struct cfi_fixup cfi_fixup_table[] = {
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#ifdef AMD_BOOTLOC_BUG
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{ CFI_MFR_AMD, CFI_ID_ANY, fixup_amd_bootblock, NULL },
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@ -192,6 +227,7 @@ static struct cfi_fixup cfi_fixup_table[] = {
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#if !FORCE_WORD_WRITE
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{ CFI_MFR_ANY, CFI_ID_ANY, fixup_use_write_buffers, NULL, },
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#endif
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{ CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL },
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{ 0, 0, NULL, NULL }
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};
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static struct cfi_fixup jedec_fixup_table[] = {
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@ -207,6 +243,7 @@ static struct cfi_fixup fixup_table[] = {
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* we know that is the case.
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*/
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{ CFI_MFR_ANY, CFI_ID_ANY, fixup_use_erase_chip, NULL },
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{ CFI_MFR_ATMEL, AT49BV6416, fixup_use_atmel_lock, NULL },
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{ 0, 0, NULL, NULL }
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};
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@ -1607,6 +1644,80 @@ static int cfi_amdstd_erase_chip(struct mtd_info *mtd, struct erase_info *instr)
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return 0;
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}
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static int do_atmel_lock(struct map_info *map, struct flchip *chip,
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unsigned long adr, int len, void *thunk)
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{
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struct cfi_private *cfi = map->fldrv_priv;
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int ret;
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spin_lock(chip->mutex);
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ret = get_chip(map, chip, adr + chip->start, FL_LOCKING);
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if (ret)
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goto out_unlock;
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chip->state = FL_LOCKING;
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DEBUG(MTD_DEBUG_LEVEL3, "MTD %s(): LOCK 0x%08lx len %d\n",
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__func__, adr, len);
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cfi_send_gen_cmd(0xAA, cfi->addr_unlock1, chip->start, map, cfi,
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cfi->device_type, NULL);
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cfi_send_gen_cmd(0x55, cfi->addr_unlock2, chip->start, map, cfi,
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cfi->device_type, NULL);
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cfi_send_gen_cmd(0x80, cfi->addr_unlock1, chip->start, map, cfi,
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cfi->device_type, NULL);
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cfi_send_gen_cmd(0xAA, cfi->addr_unlock1, chip->start, map, cfi,
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cfi->device_type, NULL);
|
||||
cfi_send_gen_cmd(0x55, cfi->addr_unlock2, chip->start, map, cfi,
|
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cfi->device_type, NULL);
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||||
map_write(map, CMD(0x40), chip->start + adr);
|
||||
|
||||
chip->state = FL_READY;
|
||||
put_chip(map, chip, adr + chip->start);
|
||||
ret = 0;
|
||||
|
||||
out_unlock:
|
||||
spin_unlock(chip->mutex);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int do_atmel_unlock(struct map_info *map, struct flchip *chip,
|
||||
unsigned long adr, int len, void *thunk)
|
||||
{
|
||||
struct cfi_private *cfi = map->fldrv_priv;
|
||||
int ret;
|
||||
|
||||
spin_lock(chip->mutex);
|
||||
ret = get_chip(map, chip, adr + chip->start, FL_UNLOCKING);
|
||||
if (ret)
|
||||
goto out_unlock;
|
||||
chip->state = FL_UNLOCKING;
|
||||
|
||||
DEBUG(MTD_DEBUG_LEVEL3, "MTD %s(): LOCK 0x%08lx len %d\n",
|
||||
__func__, adr, len);
|
||||
|
||||
cfi_send_gen_cmd(0xAA, cfi->addr_unlock1, chip->start, map, cfi,
|
||||
cfi->device_type, NULL);
|
||||
map_write(map, CMD(0x70), adr);
|
||||
|
||||
chip->state = FL_READY;
|
||||
put_chip(map, chip, adr + chip->start);
|
||||
ret = 0;
|
||||
|
||||
out_unlock:
|
||||
spin_unlock(chip->mutex);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int cfi_atmel_lock(struct mtd_info *mtd, loff_t ofs, size_t len)
|
||||
{
|
||||
return cfi_varsize_frob(mtd, do_atmel_lock, ofs, len, NULL);
|
||||
}
|
||||
|
||||
static int cfi_atmel_unlock(struct mtd_info *mtd, loff_t ofs, size_t len)
|
||||
{
|
||||
return cfi_varsize_frob(mtd, do_atmel_unlock, ofs, len, NULL);
|
||||
}
|
||||
|
||||
|
||||
static void cfi_amdstd_sync (struct mtd_info *mtd)
|
||||
{
|
||||
|
||||
@ -111,6 +111,7 @@
|
||||
#define MX29LV040C 0x004F
|
||||
#define MX29LV160T 0x22C4
|
||||
#define MX29LV160B 0x2249
|
||||
#define MX29F040 0x00A4
|
||||
#define MX29F016 0x00AD
|
||||
#define MX29F002T 0x00B0
|
||||
#define MX29F004T 0x0045
|
||||
@ -1171,6 +1172,19 @@ static const struct amd_flash_info jedec_table[] = {
|
||||
ERASEINFO(0x10000,31)
|
||||
}
|
||||
}, {
|
||||
.mfr_id = MANUFACTURER_MACRONIX,
|
||||
.dev_id = MX29F040,
|
||||
.name = "Macronix MX29F040",
|
||||
.uaddr = {
|
||||
[0] = MTD_UADDR_0x0555_0x02AA /* x8 */
|
||||
},
|
||||
.DevSize = SIZE_512KiB,
|
||||
.CmdSet = P_ID_AMD_STD,
|
||||
.NumEraseRegions= 1,
|
||||
.regions = {
|
||||
ERASEINFO(0x10000,8),
|
||||
}
|
||||
}, {
|
||||
.mfr_id = MANUFACTURER_MACRONIX,
|
||||
.dev_id = MX29F016,
|
||||
.name = "Macronix MX29F016",
|
||||
|
||||
@ -18,6 +18,7 @@
|
||||
#include <linux/mtd/mtd.h>
|
||||
#include <linux/buffer_head.h>
|
||||
#include <linux/mutex.h>
|
||||
#include <linux/mount.h>
|
||||
|
||||
#define VERSION "$Revision: 1.30 $"
|
||||
|
||||
@ -236,6 +237,8 @@ static int _block2mtd_write(struct block2mtd_dev *dev, const u_char *buf,
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static int block2mtd_write(struct mtd_info *mtd, loff_t to, size_t len,
|
||||
size_t *retlen, const u_char *buf)
|
||||
{
|
||||
@ -299,6 +302,19 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
|
||||
|
||||
/* Get a handle on the device */
|
||||
bdev = open_bdev_excl(devname, O_RDWR, NULL);
|
||||
#ifndef MODULE
|
||||
if (IS_ERR(bdev)) {
|
||||
|
||||
/* We might not have rootfs mounted at this point. Try
|
||||
to resolve the device name by other means. */
|
||||
|
||||
dev_t dev = name_to_dev_t(devname);
|
||||
if (dev != 0) {
|
||||
bdev = open_by_devnum(dev, FMODE_WRITE | FMODE_READ);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
if (IS_ERR(bdev)) {
|
||||
ERROR("error: cannot open device %s", devname);
|
||||
goto devinit_err;
|
||||
@ -393,26 +409,6 @@ static int parse_num(size_t *num, const char *token)
|
||||
}
|
||||
|
||||
|
||||
static int parse_name(char **pname, const char *token, size_t limit)
|
||||
{
|
||||
size_t len;
|
||||
char *name;
|
||||
|
||||
len = strlen(token) + 1;
|
||||
if (len > limit)
|
||||
return -ENOSPC;
|
||||
|
||||
name = kmalloc(len, GFP_KERNEL);
|
||||
if (!name)
|
||||
return -ENOMEM;
|
||||
|
||||
strcpy(name, token);
|
||||
|
||||
*pname = name;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static inline void kill_final_newline(char *str)
|
||||
{
|
||||
char *newline = strrchr(str, '\n');
|
||||
@ -426,9 +422,15 @@ static inline void kill_final_newline(char *str)
|
||||
return 0; \
|
||||
} while (0)
|
||||
|
||||
static int block2mtd_setup(const char *val, struct kernel_param *kp)
|
||||
#ifndef MODULE
|
||||
static int block2mtd_init_called = 0;
|
||||
static __initdata char block2mtd_paramline[80 + 12]; /* 80 for device, 12 for erase size */
|
||||
#endif
|
||||
|
||||
|
||||
static int block2mtd_setup2(const char *val)
|
||||
{
|
||||
char buf[80+12]; /* 80 for device, 12 for erase size */
|
||||
char buf[80 + 12]; /* 80 for device, 12 for erase size */
|
||||
char *str = buf;
|
||||
char *token[2];
|
||||
char *name;
|
||||
@ -450,13 +452,9 @@ static int block2mtd_setup(const char *val, struct kernel_param *kp)
|
||||
if (!token[0])
|
||||
parse_err("no argument");
|
||||
|
||||
ret = parse_name(&name, token[0], 80);
|
||||
if (ret == -ENOMEM)
|
||||
parse_err("out of memory");
|
||||
if (ret == -ENOSPC)
|
||||
parse_err("name too long");
|
||||
if (ret)
|
||||
return 0;
|
||||
name = token[0];
|
||||
if (strlen(name) + 1 > 80)
|
||||
parse_err("device name too long");
|
||||
|
||||
if (token[1]) {
|
||||
ret = parse_num(&erase_size, token[1]);
|
||||
@ -472,13 +470,48 @@ static int block2mtd_setup(const char *val, struct kernel_param *kp)
|
||||
}
|
||||
|
||||
|
||||
static int block2mtd_setup(const char *val, struct kernel_param *kp)
|
||||
{
|
||||
#ifdef MODULE
|
||||
return block2mtd_setup2(val);
|
||||
#else
|
||||
/* If more parameters are later passed in via
|
||||
/sys/module/block2mtd/parameters/block2mtd
|
||||
and block2mtd_init() has already been called,
|
||||
we can parse the argument now. */
|
||||
|
||||
if (block2mtd_init_called)
|
||||
return block2mtd_setup2(val);
|
||||
|
||||
/* During early boot stage, we only save the parameters
|
||||
here. We must parse them later: if the param passed
|
||||
from kernel boot command line, block2mtd_setup() is
|
||||
called so early that it is not possible to resolve
|
||||
the device (even kmalloc() fails). Deter that work to
|
||||
block2mtd_setup2(). */
|
||||
|
||||
strlcpy(block2mtd_paramline, val, sizeof(block2mtd_paramline));
|
||||
|
||||
return 0;
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
module_param_call(block2mtd, block2mtd_setup, NULL, NULL, 0200);
|
||||
MODULE_PARM_DESC(block2mtd, "Device to use. \"block2mtd=<dev>[,<erasesize>]\"");
|
||||
|
||||
static int __init block2mtd_init(void)
|
||||
{
|
||||
int ret = 0;
|
||||
INFO("version " VERSION);
|
||||
return 0;
|
||||
|
||||
#ifndef MODULE
|
||||
if (strlen(block2mtd_paramline))
|
||||
ret = block2mtd_setup2(block2mtd_paramline);
|
||||
block2mtd_init_called = 1;
|
||||
#endif
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -406,13 +406,13 @@ struct flash_info {
|
||||
|
||||
static struct flash_info __devinitdata m25p_data [] = {
|
||||
/* REVISIT: fill in JEDEC ids, for parts that have them */
|
||||
{ "m25p05", 0x05, 0x0000, 32 * 1024, 2 },
|
||||
{ "m25p10", 0x10, 0x0000, 32 * 1024, 4 },
|
||||
{ "m25p20", 0x11, 0x0000, 64 * 1024, 4 },
|
||||
{ "m25p40", 0x12, 0x0000, 64 * 1024, 8 },
|
||||
{ "m25p05", 0x05, 0x2010, 32 * 1024, 2 },
|
||||
{ "m25p10", 0x10, 0x2011, 32 * 1024, 4 },
|
||||
{ "m25p20", 0x11, 0x2012, 64 * 1024, 4 },
|
||||
{ "m25p40", 0x12, 0x2013, 64 * 1024, 8 },
|
||||
{ "m25p80", 0x13, 0x0000, 64 * 1024, 16 },
|
||||
{ "m25p16", 0x14, 0x0000, 64 * 1024, 32 },
|
||||
{ "m25p32", 0x15, 0x0000, 64 * 1024, 64 },
|
||||
{ "m25p16", 0x14, 0x2015, 64 * 1024, 32 },
|
||||
{ "m25p32", 0x15, 0x2016, 64 * 1024, 64 },
|
||||
{ "m25p64", 0x16, 0x2017, 64 * 1024, 128 },
|
||||
};
|
||||
|
||||
|
||||
@ -99,10 +99,6 @@
|
||||
#include <asm/system.h>
|
||||
#include <linux/pci.h>
|
||||
|
||||
#ifndef CONFIG_PCI
|
||||
#error Enable PCI in your kernel config
|
||||
#endif
|
||||
|
||||
#include <linux/mtd/mtd.h>
|
||||
#include <linux/mtd/pmc551.h>
|
||||
#include <linux/mtd/compatmac.h>
|
||||
|
||||
@ -13,13 +13,13 @@ config MTD_COMPLEX_MAPPINGS
|
||||
|
||||
config MTD_PHYSMAP
|
||||
tristate "CFI Flash device in physical memory map"
|
||||
depends on MTD_CFI
|
||||
depends on MTD_CFI || MTD_JEDECPROBE || MTD_ROM
|
||||
help
|
||||
This provides a 'mapping' driver which allows the CFI probe and
|
||||
command set driver code to communicate with flash chips which
|
||||
are mapped physically into the CPU's memory. You will need to
|
||||
configure the physical address and size of the flash chips on
|
||||
your particular board as well as the bus width, either statically
|
||||
This provides a 'mapping' driver which allows the NOR Flash and
|
||||
ROM driver code to communicate with chips which are mapped
|
||||
physically into the CPU's memory. You will need to configure
|
||||
the physical address and size of the flash chips on your
|
||||
particular board as well as the bus width, either statically
|
||||
with config options or at run-time.
|
||||
|
||||
config MTD_PHYSMAP_START
|
||||
|
||||
@ -62,15 +62,12 @@ static loff_t mtd_lseek (struct file *file, loff_t offset, int orig)
|
||||
struct mtd_info *mtd = mfi->mtd;
|
||||
|
||||
switch (orig) {
|
||||
case 0:
|
||||
/* SEEK_SET */
|
||||
case SEEK_SET:
|
||||
break;
|
||||
case 1:
|
||||
/* SEEK_CUR */
|
||||
case SEEK_CUR:
|
||||
offset += file->f_pos;
|
||||
break;
|
||||
case 2:
|
||||
/* SEEK_END */
|
||||
case SEEK_END:
|
||||
offset += mtd->size;
|
||||
break;
|
||||
default:
|
||||
|
||||
@ -11,7 +11,7 @@ config MTD_NAND
|
||||
help
|
||||
This enables support for accessing all type of NAND flash
|
||||
devices. For further information see
|
||||
<http://www.linux-mtd.infradead.org/tech/nand.html>.
|
||||
<http://www.linux-mtd.infradead.org/doc/nand.html>.
|
||||
|
||||
config MTD_NAND_VERIFY_WRITE
|
||||
bool "Verify NAND page writes"
|
||||
|
||||
@ -2224,7 +2224,7 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
|
||||
}
|
||||
|
||||
/* Try to identify manufacturer */
|
||||
for (maf_idx = 0; nand_manuf_ids[maf_idx].id != 0x0; maf_id++) {
|
||||
for (maf_idx = 0; nand_manuf_ids[maf_idx].id != 0x0; maf_idx++) {
|
||||
if (nand_manuf_ids[maf_idx].id == *maf_id)
|
||||
break;
|
||||
}
|
||||
|
||||
@ -78,7 +78,7 @@ static struct mtd_partition sharpsl_nand_default_partition_info[] = {
|
||||
/*
|
||||
* hardware specific access to control-lines
|
||||
* ctrl:
|
||||
* NAND_CNE: bit 0 -> bit 0 & 4
|
||||
* NAND_CNE: bit 0 -> ! bit 0 & 4
|
||||
* NAND_CLE: bit 1 -> bit 1
|
||||
* NAND_ALE: bit 2 -> bit 2
|
||||
*
|
||||
@ -92,7 +92,10 @@ static void sharpsl_nand_hwcontrol(struct mtd_info *mtd, int cmd,
|
||||
unsigned char bits = ctrl & 0x07;
|
||||
|
||||
bits |= (ctrl & 0x01) << 4;
|
||||
writeb((readb(FLASHCTL) & 0x17) | bits, FLASHCTL);
|
||||
|
||||
bits ^= 0x11;
|
||||
|
||||
writeb((readb(FLASHCTL) & ~0x17) | bits, FLASHCTL);
|
||||
}
|
||||
|
||||
if (cmd != NAND_CMD_NONE)
|
||||
|
||||
@ -21,6 +21,9 @@
|
||||
#include <linux/pagemap.h>
|
||||
#include "nodelist.h"
|
||||
|
||||
static void jffs2_obsolete_node_frag(struct jffs2_sb_info *c,
|
||||
struct jffs2_node_frag *this);
|
||||
|
||||
void jffs2_add_fd_to_list(struct jffs2_sb_info *c, struct jffs2_full_dirent *new, struct jffs2_full_dirent **list)
|
||||
{
|
||||
struct jffs2_full_dirent **prev = list;
|
||||
@ -87,7 +90,8 @@ void jffs2_truncate_fragtree(struct jffs2_sb_info *c, struct rb_root *list, uint
|
||||
}
|
||||
}
|
||||
|
||||
void jffs2_obsolete_node_frag(struct jffs2_sb_info *c, struct jffs2_node_frag *this)
|
||||
static void jffs2_obsolete_node_frag(struct jffs2_sb_info *c,
|
||||
struct jffs2_node_frag *this)
|
||||
{
|
||||
if (this->node) {
|
||||
this->node->frags--;
|
||||
|
||||
@ -334,7 +334,6 @@ void jffs2_kill_fragtree(struct rb_root *root, struct jffs2_sb_info *c_delete);
|
||||
struct rb_node *rb_next(struct rb_node *);
|
||||
struct rb_node *rb_prev(struct rb_node *);
|
||||
void rb_replace_node(struct rb_node *victim, struct rb_node *new, struct rb_root *root);
|
||||
void jffs2_obsolete_node_frag(struct jffs2_sb_info *c, struct jffs2_node_frag *this);
|
||||
int jffs2_add_full_dnode_to_inode(struct jffs2_sb_info *c, struct jffs2_inode_info *f, struct jffs2_full_dnode *fn);
|
||||
void jffs2_truncate_fragtree (struct jffs2_sb_info *c, struct rb_root *list, uint32_t size);
|
||||
int jffs2_add_older_frag_to_fragtree(struct jffs2_sb_info *c, struct jffs2_inode_info *f, struct jffs2_tmp_dnode_info *tn);
|
||||
|
||||
@ -1215,7 +1215,6 @@ int jffs2_garbage_collect_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xatt
|
||||
rc = jffs2_reserve_space_gc(c, totlen, &length, JFFS2_SUMMARY_XATTR_SIZE);
|
||||
if (rc) {
|
||||
JFFS2_WARNING("jffs2_reserve_space_gc()=%d, request=%u\n", rc, totlen);
|
||||
rc = rc ? rc : -EBADFD;
|
||||
goto out;
|
||||
}
|
||||
rc = save_xattr_datum(c, xd);
|
||||
|
||||
@ -199,6 +199,18 @@ struct cfi_pri_amdstd {
|
||||
uint8_t TopBottom;
|
||||
} __attribute__((packed));
|
||||
|
||||
/* Vendor-Specific PRI for Atmel chips (command set 0x0002) */
|
||||
|
||||
struct cfi_pri_atmel {
|
||||
uint8_t pri[3];
|
||||
uint8_t MajorVersion;
|
||||
uint8_t MinorVersion;
|
||||
uint8_t Features;
|
||||
uint8_t BottomBoot;
|
||||
uint8_t BurstMode;
|
||||
uint8_t PageMode;
|
||||
} __attribute__((packed));
|
||||
|
||||
struct cfi_pri_query {
|
||||
uint8_t NumFields;
|
||||
uint32_t ProtField[1]; /* Not host ordered */
|
||||
@ -464,6 +476,7 @@ struct cfi_fixup {
|
||||
#define CFI_ID_ANY 0xffff
|
||||
|
||||
#define CFI_MFR_AMD 0x0001
|
||||
#define CFI_MFR_ATMEL 0x001F
|
||||
#define CFI_MFR_ST 0x0020 /* STMicroelectronics */
|
||||
|
||||
void cfi_fixup(struct mtd_info *mtd, struct cfi_fixup* fixups);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user