| 1 | --- |
| 2 | drivers/mtd/nand/plat_nand.c | 13 ++++++++++++- |
| 3 | include/linux/mtd/nand.h | 1 + |
| 4 | 2 files changed, 13 insertions(+), 1 deletion(-) |
| 5 | |
| 6 | --- a/include/linux/mtd/nand.h |
| 7 | +++ b/include/linux/mtd/nand.h |
| 8 | @@ -625,6 +625,7 @@ struct platform_nand_chip { |
| 9 | int chip_delay; |
| 10 | unsigned int options; |
| 11 | const char **part_probe_types; |
| 12 | + int (*chip_fixup)(struct mtd_info *mtd); |
| 13 | void (*set_parts)(uint64_t size, struct platform_nand_chip *chip); |
| 14 | void *priv; |
| 15 | }; |
| 16 | --- a/drivers/mtd/nand/plat_nand.c |
| 17 | +++ b/drivers/mtd/nand/plat_nand.c |
| 18 | @@ -94,7 +94,18 @@ static int __devinit plat_nand_probe(str |
| 19 | } |
| 20 | |
| 21 | /* Scan to find existence of the device */ |
| 22 | - if (nand_scan(&data->mtd, pdata->chip.nr_chips)) { |
| 23 | + if (nand_scan_ident(&data->mtd, pdata->chip.nr_chips, NULL)) { |
| 24 | + res = -ENXIO; |
| 25 | + goto out; |
| 26 | + } |
| 27 | + |
| 28 | + if (pdata->chip.chip_fixup) { |
| 29 | + res = pdata->chip.chip_fixup(&data->mtd); |
| 30 | + if (res) |
| 31 | + goto out; |
| 32 | + } |
| 33 | + |
| 34 | + if (nand_scan_tail(&data->mtd)) { |
| 35 | err = -ENXIO; |
| 36 | goto out; |
| 37 | } |
| 38 | |
