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path: root/drivers/mtd/onenand/onenand_base.c
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Diffstat (limited to 'drivers/mtd/onenand/onenand_base.c')
-rw-r--r--drivers/mtd/onenand/onenand_base.c68
1 files changed, 22 insertions, 46 deletions
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index a061bc1..b3ce12e 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -1753,16 +1753,6 @@ static int onenand_panic_write(struct mtd_info *mtd, loff_t to, size_t len,
pr_debug("%s: to = 0x%08x, len = %i\n", __func__, (unsigned int)to,
(int)len);
- /* Initialize retlen, in case of early exit */
- *retlen = 0;
-
- /* Do not allow writes past end of device */
- if (unlikely((to + len) > mtd->size)) {
- printk(KERN_ERR "%s: Attempt write to past end of device\n",
- __func__);
- return -EINVAL;
- }
-
/* Reject writes, which are not page aligned */
if (unlikely(NOTALIGNED(to) || NOTALIGNED(len))) {
printk(KERN_ERR "%s: Attempt to write not page aligned data\n",
@@ -1890,13 +1880,6 @@ static int onenand_write_ops_nolock(struct mtd_info *mtd, loff_t to,
ops->retlen = 0;
ops->oobretlen = 0;
- /* Do not allow writes past end of device */
- if (unlikely((to + len) > mtd->size)) {
- printk(KERN_ERR "%s: Attempt write to past end of device\n",
- __func__);
- return -EINVAL;
- }
-
/* Reject writes, which are not page aligned */
if (unlikely(NOTALIGNED(to) || NOTALIGNED(len))) {
printk(KERN_ERR "%s: Attempt to write not page aligned data\n",
@@ -2493,12 +2476,6 @@ static int onenand_erase(struct mtd_info *mtd, struct erase_info *instr)
(unsigned long long)instr->addr,
(unsigned long long)instr->len);
- /* Do not allow erase past end of device */
- if (unlikely((len + addr) > mtd->size)) {
- printk(KERN_ERR "%s: Erase past end of device\n", __func__);
- return -EINVAL;
- }
-
if (FLEXONENAND(this)) {
/* Find the eraseregion of this address */
int i = flexonenand_region(mtd, addr);
@@ -2525,8 +2502,6 @@ static int onenand_erase(struct mtd_info *mtd, struct erase_info *instr)
return -EINVAL;
}
- instr->fail_addr = MTD_FAIL_ADDR_UNKNOWN;
-
/* Grab the lock and see if the device is available */
onenand_get_device(mtd, FL_ERASING);
@@ -4103,33 +4078,34 @@ int onenand_scan(struct mtd_info *mtd, int maxchips)
mtd->oobavail = this->ecclayout->oobavail;
mtd->ecclayout = this->ecclayout;
+ mtd->ecc_strength = 1;
/* Fill in remaining MTD driver data */
mtd->type = ONENAND_IS_MLC(this) ? MTD_MLCNANDFLASH : MTD_NANDFLASH;
mtd->flags = MTD_CAP_NANDFLASH;
- mtd->erase = onenand_erase;
- mtd->point = NULL;
- mtd->unpoint = NULL;
- mtd->read = onenand_read;
- mtd->write = onenand_write;
- mtd->read_oob = onenand_read_oob;
- mtd->write_oob = onenand_write_oob;
- mtd->panic_write = onenand_panic_write;
+ mtd->_erase = onenand_erase;
+ mtd->_point = NULL;
+ mtd->_unpoint = NULL;
+ mtd->_read = onenand_read;
+ mtd->_write = onenand_write;
+ mtd->_read_oob = onenand_read_oob;
+ mtd->_write_oob = onenand_write_oob;
+ mtd->_panic_write = onenand_panic_write;
#ifdef CONFIG_MTD_ONENAND_OTP
- mtd->get_fact_prot_info = onenand_get_fact_prot_info;
- mtd->read_fact_prot_reg = onenand_read_fact_prot_reg;
- mtd->get_user_prot_info = onenand_get_user_prot_info;
- mtd->read_user_prot_reg = onenand_read_user_prot_reg;
- mtd->write_user_prot_reg = onenand_write_user_prot_reg;
- mtd->lock_user_prot_reg = onenand_lock_user_prot_reg;
+ mtd->_get_fact_prot_info = onenand_get_fact_prot_info;
+ mtd->_read_fact_prot_reg = onenand_read_fact_prot_reg;
+ mtd->_get_user_prot_info = onenand_get_user_prot_info;
+ mtd->_read_user_prot_reg = onenand_read_user_prot_reg;
+ mtd->_write_user_prot_reg = onenand_write_user_prot_reg;
+ mtd->_lock_user_prot_reg = onenand_lock_user_prot_reg;
#endif
- mtd->sync = onenand_sync;
- mtd->lock = onenand_lock;
- mtd->unlock = onenand_unlock;
- mtd->suspend = onenand_suspend;
- mtd->resume = onenand_resume;
- mtd->block_isbad = onenand_block_isbad;
- mtd->block_markbad = onenand_block_markbad;
+ mtd->_sync = onenand_sync;
+ mtd->_lock = onenand_lock;
+ mtd->_unlock = onenand_unlock;
+ mtd->_suspend = onenand_suspend;
+ mtd->_resume = onenand_resume;
+ mtd->_block_isbad = onenand_block_isbad;
+ mtd->_block_markbad = onenand_block_markbad;
mtd->owner = THIS_MODULE;
mtd->writebufsize = mtd->writesize;
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