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---
drivers/mtd/nand/plat_nand.c | 13 ++++++++++++-
include/linux/mtd/nand.h | 1 +
2 files changed, 13 insertions(+), 1 deletion(-)
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -851,6 +851,7 @@ struct platform_nand_chip {
unsigned int options;
unsigned int bbt_options;
const char **part_probe_types;
+ int (*chip_fixup)(struct mtd_info *mtd);
};
/* Keep gcc happy */
--- a/drivers/mtd/nand/plat_nand.c
+++ b/drivers/mtd/nand/plat_nand.c
@@ -90,7 +90,18 @@ static int plat_nand_probe(struct platfo
}
/* Scan to find existence of the device */
- if (nand_scan(&data->mtd, pdata->chip.nr_chips)) {
+ if (nand_scan_ident(&data->mtd, pdata->chip.nr_chips, NULL)) {
+ err = -ENXIO;
+ goto out;
+ }
+
+ if (pdata->chip.chip_fixup) {
+ err = pdata->chip.chip_fixup(&data->mtd);
+ if (err)
+ goto out;
+ }
+
+ if (nand_scan_tail(&data->mtd)) {
err = -ENXIO;
goto out;
}
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