static int cfi_intelext_point (struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, void **virt, resource_size_t *phys);
-static void cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len);
+static int cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len);
static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long adr, int mode);
static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr, int mode);
static void fixup_use_point(struct mtd_info *mtd)
{
struct map_info *map = mtd->priv;
- if (!mtd->point && map_is_linear(map)) {
- mtd->point = cfi_intelext_point;
- mtd->unpoint = cfi_intelext_unpoint;
+ if (!mtd->_point && map_is_linear(map)) {
+ mtd->_point = cfi_intelext_point;
+ mtd->_unpoint = cfi_intelext_unpoint;
}
}
struct cfi_private *cfi = map->fldrv_priv;
if (cfi->cfiq->BufWriteTimeoutTyp) {
printk(KERN_INFO "Using buffer write method\n" );
- mtd->write = cfi_intelext_write_buffers;
- mtd->writev = cfi_intelext_writev;
+ mtd->_write = cfi_intelext_write_buffers;
+ mtd->_writev = cfi_intelext_writev;
}
}
mtd->type = MTD_NORFLASH;
/* Fill in the default mtd operations */
- mtd->erase = cfi_intelext_erase_varsize;
- mtd->read = cfi_intelext_read;
- mtd->write = cfi_intelext_write_words;
- mtd->sync = cfi_intelext_sync;
- mtd->lock = cfi_intelext_lock;
- mtd->unlock = cfi_intelext_unlock;
- mtd->is_locked = cfi_intelext_is_locked;
- mtd->suspend = cfi_intelext_suspend;
- mtd->resume = cfi_intelext_resume;
+ mtd->_erase = cfi_intelext_erase_varsize;
+ mtd->_read = cfi_intelext_read;
+ mtd->_write = cfi_intelext_write_words;
+ mtd->_sync = cfi_intelext_sync;
+ mtd->_lock = cfi_intelext_lock;
+ mtd->_unlock = cfi_intelext_unlock;
+ mtd->_is_locked = cfi_intelext_is_locked;
+ mtd->_suspend = cfi_intelext_suspend;
+ mtd->_resume = cfi_intelext_resume;
mtd->flags = MTD_CAP_NORFLASH;
mtd->name = map->name;
mtd->writesize = 1;
}
#ifdef CONFIG_MTD_OTP
- mtd->read_fact_prot_reg = cfi_intelext_read_fact_prot_reg;
- mtd->read_user_prot_reg = cfi_intelext_read_user_prot_reg;
- mtd->write_user_prot_reg = cfi_intelext_write_user_prot_reg;
- mtd->lock_user_prot_reg = cfi_intelext_lock_user_prot_reg;
- mtd->get_fact_prot_info = cfi_intelext_get_fact_prot_info;
- mtd->get_user_prot_info = cfi_intelext_get_user_prot_info;
+ mtd->_read_fact_prot_reg = cfi_intelext_read_fact_prot_reg;
+ mtd->_read_user_prot_reg = cfi_intelext_read_user_prot_reg;
+ mtd->_write_user_prot_reg = cfi_intelext_write_user_prot_reg;
+ mtd->_lock_user_prot_reg = cfi_intelext_lock_user_prot_reg;
+ mtd->_get_fact_prot_info = cfi_intelext_get_fact_prot_info;
+ mtd->_get_user_prot_info = cfi_intelext_get_user_prot_info;
#endif
/* This function has the potential to distort the reality
case FL_READY:
case FL_STATUS:
case FL_JEDEC_QUERY:
- /* We should really make set_vpp() count, rather than doing this */
- DISABLE_VPP(map);
break;
default:
printk(KERN_ERR "%s: put_chip() called with oldstate %d!!\n", map->name, chip->oldstate);
int chipnum;
int ret = 0;
- if (!map->virt || (from + len > mtd->size))
+ if (!map->virt)
return -EINVAL;
/* Now lock the chip(s) to POINT state */
ofs = from - (chipnum << cfi->chipshift);
*virt = map->virt + cfi->chips[chipnum].start + ofs;
- *retlen = 0;
if (phys)
*phys = map->phys + cfi->chips[chipnum].start + ofs;
return 0;
}
-static void cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
+static int cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
{
struct map_info *map = mtd->priv;
struct cfi_private *cfi = map->fldrv_priv;
unsigned long ofs;
- int chipnum;
+ int chipnum, err = 0;
/* Now unlock the chip(s) POINT state */
chipnum = (from >> cfi->chipshift);
ofs = from - (chipnum << cfi->chipshift);
- while (len) {
+ while (len && !err) {
unsigned long thislen;
struct flchip *chip;
chip->ref_point_counter--;
if(chip->ref_point_counter == 0)
chip->state = FL_READY;
- } else
- printk(KERN_ERR "%s: Warning: unpoint called on non pointed region\n", map->name); /* Should this give an error? */
+ } else {
+ printk(KERN_ERR "%s: Error: unpoint called on non pointed region\n", map->name);
+ err = -EINVAL;
+ }
put_chip(map, chip, chip->start);
mutex_unlock(&chip->mutex);
ofs = 0;
chipnum++;
}
+
+ return err;
}
static inline int do_read_onechip(struct map_info *map, struct flchip *chip, loff_t adr, size_t len, u_char *buf)
chipnum = (from >> cfi->chipshift);
ofs = from - (chipnum << cfi->chipshift);
- *retlen = 0;
-
while (len) {
unsigned long thislen;
}
xip_enable(map, chip, adr);
- out: put_chip(map, chip, adr);
+ out: DISABLE_VPP(map);
+ put_chip(map, chip, adr);
mutex_unlock(&chip->mutex);
return ret;
}
int chipnum;
unsigned long ofs;
- *retlen = 0;
- if (!len)
- return 0;
-
chipnum = to >> cfi->chipshift;
ofs = to - (chipnum << cfi->chipshift);
}
xip_enable(map, chip, cmd_adr);
- out: put_chip(map, chip, cmd_adr);
+ out: DISABLE_VPP(map);
+ put_chip(map, chip, cmd_adr);
mutex_unlock(&chip->mutex);
return ret;
}
for (i = 0; i < count; i++)
len += vecs[i].iov_len;
- *retlen = 0;
if (!len)
return 0;
ret = -EIO;
} else if (chipstatus & 0x20 && retries--) {
printk(KERN_DEBUG "block erase failed at 0x%08lx: status 0x%lx. Retrying...\n", adr, chipstatus);
+ DISABLE_VPP(map);
put_chip(map, chip, adr);
mutex_unlock(&chip->mutex);
goto retry;
}
xip_enable(map, chip, adr);
- out: put_chip(map, chip, adr);
+ out: DISABLE_VPP(map);
+ put_chip(map, chip, adr);
mutex_unlock(&chip->mutex);
return ret;
}
}
xip_enable(map, chip, adr);
-out: put_chip(map, chip, adr);
+ out: DISABLE_VPP(map);
+ put_chip(map, chip, adr);
mutex_unlock(&chip->mutex);
return ret;
}
allowed to. Or should we return -EAGAIN, because the upper layers
ought to have already shut down anything which was using the device
anyway? The latter for now. */
- printk(KERN_NOTICE "Flash device refused suspend due to active operation (state %d)\n", chip->oldstate);
+ printk(KERN_NOTICE "Flash device refused suspend due to active operation (state %d)\n", chip->state);
ret = -EAGAIN;
case FL_PM_SUSPENDED:
break;
projects / linux-2.6-block.git / blobdiff