mtd: rawnand: Pass a nand_chip object to all nand_xxx_bbt() helpers

Let's make the raw NAND API consistent by patching all helpers and
hooks to take a nand_chip object instead of an mtd_info one or
remove the mtd_info object when both are passed.

Let's tackle the nand_xxx_bbt() helpers.
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>

drivers/mtd/nand/raw/nand_base.c

@@ -515,7 +515,7 @@ static int nand_block_markbad_lowlevel(struct mtd_info *mtd, loff_t ofs)
 
 	/* Mark block bad in BBT */
 	if (chip->bbt) {
-		res = nand_markbad_bbt(mtd, ofs);
+		res = nand_markbad_bbt(chip, ofs);
 		if (!ret)
 			ret = res;
 	}
@@ -565,7 +565,7 @@ static int nand_block_isreserved(struct mtd_info *mtd, loff_t ofs)
 	if (!chip->bbt)
 		return 0;
 	/* Return info from the table */
-	return nand_isreserved_bbt(mtd, ofs);
+	return nand_isreserved_bbt(chip, ofs);
 }
 
 /**
@@ -585,7 +585,7 @@ static int nand_block_checkbad(struct mtd_info *mtd, loff_t ofs, int allowbbt)
 		return chip->block_bad(chip, ofs);
 
 	/* Return info from the table */
-	return nand_isbad_bbt(mtd, ofs, allowbbt);
+	return nand_isbad_bbt(chip, ofs, allowbbt);
 }
 
 /**

drivers/mtd/nand/raw/nand_bbt.c

@@ -1387,12 +1387,11 @@ EXPORT_SYMBOL(nand_create_bbt);
 
 /**
  * nand_isreserved_bbt - [NAND Interface] Check if a block is reserved
- * @mtd: MTD device structure
+ * @this: NAND chip object
  * @offs: offset in the device
  */
-int nand_isreserved_bbt(struct mtd_info *mtd, loff_t offs)
+int nand_isreserved_bbt(struct nand_chip *this, loff_t offs)
 {
-	struct nand_chip *this = mtd_to_nand(mtd);
 	int block;
 
 	block = (int)(offs >> this->bbt_erase_shift);
@@ -1401,13 +1400,12 @@ int nand_isreserved_bbt(struct mtd_info *mtd, loff_t offs)
 
 /**
  * nand_isbad_bbt - [NAND Interface] Check if a block is bad
- * @mtd: MTD device structure
+ * @this: NAND chip object
  * @offs: offset in the device
  * @allowbbt: allow access to bad block table region
  */
-int nand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt)
+int nand_isbad_bbt(struct nand_chip *this, loff_t offs, int allowbbt)
 {
-	struct nand_chip *this = mtd_to_nand(mtd);
 	int block, res;
 
 	block = (int)(offs >> this->bbt_erase_shift);
@@ -1429,12 +1427,12 @@ int nand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt)
 
 /**
  * nand_markbad_bbt - [NAND Interface] Mark a block bad in the BBT
- * @mtd: MTD device structure
+ * @this: NAND chip object
  * @offs: offset of the bad block
  */
-int nand_markbad_bbt(struct mtd_info *mtd, loff_t offs)
+int nand_markbad_bbt(struct nand_chip *this, loff_t offs)
 {
-	struct nand_chip *this = mtd_to_nand(mtd);
+	struct mtd_info *mtd = nand_to_mtd(this);
 	int block, ret = 0;
 
 	block = (int)(offs >> this->bbt_erase_shift);

include/linux/mtd/rawnand.h

@@ -1545,9 +1545,9 @@ extern const struct nand_manufacturer_ops amd_nand_manuf_ops;
 extern const struct nand_manufacturer_ops macronix_nand_manuf_ops;
 
 int nand_create_bbt(struct nand_chip *chip);
-int nand_markbad_bbt(struct mtd_info *mtd, loff_t offs);
-int nand_isreserved_bbt(struct mtd_info *mtd, loff_t offs);
-int nand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt);
+int nand_markbad_bbt(struct nand_chip *chip, loff_t offs);
+int nand_isreserved_bbt(struct nand_chip *chip, loff_t offs);
+int nand_isbad_bbt(struct nand_chip *chip, loff_t offs, int allowbbt);
 int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr,
 		    int allowbbt);