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---
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drivers/mtd/nand/plat_nand.c | 13 ++++++++++++-
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include/linux/mtd/nand.h | 1 +
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2 files changed, 13 insertions(+), 1 deletion(-)
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--- a/include/linux/mtd/nand.h
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+++ b/include/linux/mtd/nand.h
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@@ -654,6 +654,7 @@ struct platform_nand_chip {
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unsigned int options;
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unsigned int bbt_options;
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const char **part_probe_types;
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+ int (*chip_fixup)(struct mtd_info *mtd);
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};
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/* Keep gcc happy */
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--- a/drivers/mtd/nand/plat_nand.c
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+++ b/drivers/mtd/nand/plat_nand.c
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@@ -103,7 +103,18 @@ static int plat_nand_probe(struct platfo
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}
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/* Scan to find existence of the device */
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- if (nand_scan(&data->mtd, pdata->chip.nr_chips)) {
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+ if (nand_scan_ident(&data->mtd, pdata->chip.nr_chips, NULL)) {
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+ err = -ENXIO;
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+ goto out;
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+ }
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+
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+ if (pdata->chip.chip_fixup) {
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+ err = pdata->chip.chip_fixup(&data->mtd);
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+ if (err)
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+ goto out;
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+ }
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+
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+ if (nand_scan_tail(&data->mtd)) {
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err = -ENXIO;
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goto out;
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}
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