--- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -575,6 +575,7 @@ struct platform_nand_chip { int chip_delay; unsigned int options; const char **part_probe_types; + int (*chip_fixup)(struct mtd_info *mtd); void (*set_parts)(uint64_t size, struct platform_nand_chip *chip); void *priv; --- a/drivers/mtd/nand/plat_nand.c +++ b/drivers/mtd/nand/plat_nand.c @@ -80,7 +80,18 @@ static int __devinit plat_nand_probe(str } /* Scan to find existance of the device */ - if (nand_scan(&data->mtd, 1)) { + if (nand_scan_ident(&data->mtd, 1)) { + res = -ENXIO; + goto out; + } + + if (pdata->chip.chip_fixup) { + res = pdata->chip.chip_fixup(&data->mtd); + if (res) + goto out; + } + + if (nand_scan_tail(&data->mtd)) { res = -ENXIO; goto out; }