33 lines
758 B
Diff
33 lines
758 B
Diff
--- a/include/linux/mtd/nand.h
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+++ b/include/linux/mtd/nand.h
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@@ -573,6 +573,7 @@ struct platform_nand_chip {
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int chip_delay;
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unsigned int 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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void *priv;
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};
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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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@@ -70,7 +70,18 @@ static int __init plat_nand_probe(struct
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platform_set_drvdata(pdev, data);
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/* Scan to find existance of the device */
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- if (nand_scan(&data->mtd, 1)) {
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+ if (nand_scan_ident(&data->mtd, 1)) {
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+ res = -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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+ res = pdata->chip.chip_fixup(&data->mtd);
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+ if (res)
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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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res = -ENXIO;
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goto out;
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}
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