@@ -537,7 +537,7 @@ static int cafe_nand_write_page_lowlevel(struct mtd_info *mtd,
return 0;
}
-static int cafe_nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
+static int cafe_nand_block_bad(struct mtd_info *mtd, loff_t ofs)
{
return 0;
}
@@ -798,7 +798,7 @@ static int doc200x_dev_ready(struct mtd_info *mtd)
}
}
-static int doc200x_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
+static int doc200x_block_bad(struct mtd_info *mtd, loff_t ofs)
{
/* This is our last resort if we couldn't find or create a BBT. Just
pretend all blocks are good. */
@@ -1121,7 +1121,7 @@ static int docg4_block_markbad(struct mtd_info *mtd, loff_t ofs)
return ret;
}
-static int docg4_block_neverbad(struct mtd_info *mtd, loff_t ofs, int getchip)
+static int docg4_block_neverbad(struct mtd_info *mtd, loff_t ofs)
{
/* only called when module_param ignore_badblocks is set */
return 0;
@@ -317,9 +317,9 @@ static void nand_read_buf16(struct mtd_info *mtd, uint8_t *buf, int len)
*
* Check, if the block is bad.
*/
-static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
+static int nand_block_bad(struct mtd_info *mtd, loff_t ofs)
{
- int page, chipnr, res = 0, i = 0;
+ int page, res = 0, i = 0;
struct nand_chip *chip = mtd_to_nand(mtd);
u16 bad;
@@ -328,15 +328,6 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
page = (int)(ofs >> chip->page_shift) & chip->pagemask;
- if (getchip) {
- chipnr = (int)(ofs >> chip->chip_shift);
-
- nand_get_device(mtd, FL_READING);
-
- /* Select the NAND device */
- chip->select_chip(mtd, chipnr);
- }
-
do {
if (chip->options & NAND_BUSWIDTH_16) {
chip->cmdfunc(mtd, NAND_CMD_READOOB,
@@ -361,11 +352,6 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
i++;
} while (!res && i < 2 && (chip->bbt_options & NAND_BBT_SCAN2NDPAGE));
- if (getchip) {
- chip->select_chip(mtd, -1);
- nand_release_device(mtd);
- }
-
return res;
}
@@ -503,19 +489,17 @@ static int nand_block_isreserved(struct mtd_info *mtd, loff_t ofs)
* nand_block_checkbad - [GENERIC] Check if a block is marked bad
* @mtd: MTD device structure
* @ofs: offset from device start
- * @getchip: 0, if the chip is already selected
* @allowbbt: 1, if its allowed to access the bbt area
*
* Check, if the block is bad. Either by reading the bad block table or
* calling of the scan function.
*/
-static int nand_block_checkbad(struct mtd_info *mtd, loff_t ofs, int getchip,
- int allowbbt)
+static int nand_block_checkbad(struct mtd_info *mtd, loff_t ofs, int allowbbt)
{
struct nand_chip *chip = mtd_to_nand(mtd);
if (!chip->bbt)
- return chip->block_bad(mtd, ofs, getchip);
+ return chip->block_bad(mtd, ofs);
/* Return info from the table */
return nand_isbad_bbt(mtd, ofs, allowbbt);
@@ -2918,7 +2902,7 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr,
while (len) {
/* Check if we have a bad block, we do not erase bad blocks! */
if (nand_block_checkbad(mtd, ((loff_t) page) <<
- chip->page_shift, 0, allowbbt)) {
+ chip->page_shift, allowbbt)) {
pr_warn("%s: attempt to erase a bad block at page 0x%08x\n",
__func__, page);
instr->state = MTD_ERASE_FAILED;
@@ -3005,7 +2989,20 @@ static void nand_sync(struct mtd_info *mtd)
*/
static int nand_block_isbad(struct mtd_info *mtd, loff_t offs)
{
- return nand_block_checkbad(mtd, offs, 1, 0);
+ struct nand_chip *chip = mtd_to_nand(mtd);
+ int chipnr = (int)(offs >> chip->chip_shift);
+ int ret;
+
+ /* Select the NAND device */
+ nand_get_device(mtd, FL_READING);
+ chip->select_chip(mtd, chipnr);
+
+ ret = nand_block_checkbad(mtd, offs, 0);
+
+ chip->select_chip(mtd, -1);
+ nand_release_device(mtd);
+
+ return ret;
}
/**
@@ -650,7 +650,7 @@ struct nand_chip {
void (*write_buf)(struct mtd_info *mtd, const uint8_t *buf, int len);
void (*read_buf)(struct mtd_info *mtd, uint8_t *buf, int len);
void (*select_chip)(struct mtd_info *mtd, int chip);
- int (*block_bad)(struct mtd_info *mtd, loff_t ofs, int getchip);
+ int (*block_bad)(struct mtd_info *mtd, loff_t ofs);
int (*block_markbad)(struct mtd_info *mtd, loff_t ofs);
void (*cmd_ctrl)(struct mtd_info *mtd, int dat, unsigned int ctrl);
int (*dev_ready)(struct mtd_info *mtd);