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mtd: nand: sharpsl: switch to mtd_ooblayout_ops

Bladeren bron 
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:
Boris Brezillon
2016-02-03 19:58:11 +01:00
bovenliggende 7cf9c19a83
commit e5b2d30e42
3 gewijzigde bestanden met toevoegingen van 47 en 12 verwijderingen
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55
arch/arm/mach-pxa/spitz.c
Bestand weergeven

@@ -763,14 +763,49 @@ static struct nand_bbt_descr spitz_nand_bbt = {
.pattern = scan_ff_pattern
};
static struct nand_ecclayout akita_oobinfo = {
.oobfree = { {0x08, 0x09} },
.eccbytes = 24,
.eccpos = {
0x05, 0x01, 0x02, 0x03, 0x06, 0x07, 0x15, 0x11,
0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37,
},
static int akita_ooblayout_ecc(struct mtd_info *mtd, int section,
struct mtd_oob_region *oobregion)
{
if (section > 12)
return -ERANGE;
switch (section % 3) {
case 0:
oobregion->offset = 5;
oobregion->length = 1;
break;
case 1:
oobregion->offset = 1;
oobregion->length = 3;
break;
case 2:
oobregion->offset = 6;
oobregion->length = 2;
break;
}
oobregion->offset += (section / 3) * 0x10;
return 0;
}
static int akita_ooblayout_free(struct mtd_info *mtd, int section,
struct mtd_oob_region *oobregion)
{
if (section)
return -ERANGE;
oobregion->offset = 8;
oobregion->length = 9;
return 0;
}
static const struct mtd_ooblayout_ops akita_ooblayout_ops = {
.ecc = akita_ooblayout_ecc,
.free = akita_ooblayout_free,
};
static struct sharpsl_nand_platform_data spitz_nand_pdata = {
@@ -804,11 +839,11 @@ static void __init spitz_nand_init(void)
} else if (machine_is_akita()) {
spitz_nand_partitions[1].size = 58 * 1024 * 1024;
spitz_nand_bbt.len = 1;
spitz_nand_pdata.ecc_layout = &akita_oobinfo;
spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
} else if (machine_is_borzoi()) {
spitz_nand_partitions[1].size = 32 * 1024 * 1024;
spitz_nand_bbt.len = 1;
spitz_nand_pdata.ecc_layout = &akita_oobinfo;
spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
}
platform_device_register(&spitz_nand_device);