mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-01 22:54:01 +00:00
mtd: nand: bf5xx: switch to mtd_ooblayout_ops
Implementing the mtd_ooblayout_ops interface is the new way of exposing ECC/OOB layout to MTD users. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
This commit is contained in:
parent
cc00383722
commit
c8766e81ca
1 changed files with 28 additions and 23 deletions
|
@ -109,28 +109,33 @@ static const unsigned short bfin_nfc_pin_req[] =
|
|||
0};
|
||||
|
||||
#ifdef CONFIG_MTD_NAND_BF5XX_BOOTROM_ECC
|
||||
static struct nand_ecclayout bootrom_ecclayout = {
|
||||
.eccbytes = 24,
|
||||
.eccpos = {
|
||||
0x8 * 0, 0x8 * 0 + 1, 0x8 * 0 + 2,
|
||||
0x8 * 1, 0x8 * 1 + 1, 0x8 * 1 + 2,
|
||||
0x8 * 2, 0x8 * 2 + 1, 0x8 * 2 + 2,
|
||||
0x8 * 3, 0x8 * 3 + 1, 0x8 * 3 + 2,
|
||||
0x8 * 4, 0x8 * 4 + 1, 0x8 * 4 + 2,
|
||||
0x8 * 5, 0x8 * 5 + 1, 0x8 * 5 + 2,
|
||||
0x8 * 6, 0x8 * 6 + 1, 0x8 * 6 + 2,
|
||||
0x8 * 7, 0x8 * 7 + 1, 0x8 * 7 + 2
|
||||
},
|
||||
.oobfree = {
|
||||
{ 0x8 * 0 + 3, 5 },
|
||||
{ 0x8 * 1 + 3, 5 },
|
||||
{ 0x8 * 2 + 3, 5 },
|
||||
{ 0x8 * 3 + 3, 5 },
|
||||
{ 0x8 * 4 + 3, 5 },
|
||||
{ 0x8 * 5 + 3, 5 },
|
||||
{ 0x8 * 6 + 3, 5 },
|
||||
{ 0x8 * 7 + 3, 5 },
|
||||
}
|
||||
static int bootrom_ooblayout_ecc(struct mtd_info *mtd, int section,
|
||||
struct mtd_oob_region *oobregion)
|
||||
{
|
||||
if (section > 7)
|
||||
return -ERANGE;
|
||||
|
||||
oobregion->offset = section * 8;
|
||||
oobregion->length = 3;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int bootrom_ooblayout_free(struct mtd_info *mtd, int section,
|
||||
struct mtd_oob_region *oobregion)
|
||||
{
|
||||
if (section > 7)
|
||||
return -ERANGE;
|
||||
|
||||
oobregion->offset = (section * 8) + 3;
|
||||
oobregion->length = 5;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct mtd_ooblayout_ops bootrom_ooblayout_ops = {
|
||||
.ecc = bootrom_ooblayout_ecc,
|
||||
.free = bootrom_ooblayout_free,
|
||||
};
|
||||
#endif
|
||||
|
||||
|
@ -800,7 +805,7 @@ static int bf5xx_nand_probe(struct platform_device *pdev)
|
|||
/* setup hardware ECC data struct */
|
||||
if (hardware_ecc) {
|
||||
#ifdef CONFIG_MTD_NAND_BF5XX_BOOTROM_ECC
|
||||
chip->ecc.layout = &bootrom_ecclayout;
|
||||
mtd_set_ooblayout(mtd, &bootrom_ooblayout_ops);
|
||||
#endif
|
||||
chip->read_buf = bf5xx_nand_dma_read_buf;
|
||||
chip->write_buf = bf5xx_nand_dma_write_buf;
|
||||
|
|
Loading…
Reference in a new issue