mtd/nand/bbt.c

10 #define pr_fmt(fmt)	"nand-bbt: " fmt
12 #include <linux/mtd/nand.h>
17  * @nand: NAND device
23 int nanddev_bbt_init(struct nand_device *nand)
26 	unsigned int nblocks = nanddev_neraseblocks(nand);
28 	nand->bbt.cache = bitmap_zalloc(nblocks * bits_per_block, GFP_KERNEL);
29 	if (!nand->bbt.cache)
38  * @nand: NAND device
42 void nanddev_bbt_cleanup(struct nand_device *nand)
44 	bitmap_free(nand->bbt.cache);
50  * @nand: nand device
57 int nanddev_bbt_update(struct nand_device *nand)
65  * @nand: nand device
71 int nanddev_bbt_get_block_status(const struct nand_device *nand,
75 	unsigned long *pos = nand->bbt.cache +
80 	if (entry >= nanddev_neraseblocks(nand))
94  * @nand: nand device
104 int nanddev_bbt_set_block_status(struct nand_device *nand, unsigned int entry,
108 	unsigned long *pos = nand->bbt.cache +
113 	if (entry >= nanddev_neraseblocks(nand))