Root/target/linux/generic/patches-3.6/450-mtd_plat_nand_chip_fixup.patch

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@@ -622,6 +622,7 @@ struct platform_nand_chip {
9     unsigned int options;
10     unsigned int bbt_options;
11     const char **part_probe_types;
12+ int (*chip_fixup)(struct mtd_info *mtd);
13 };
14 
15 /* Keep gcc happy */
16--- a/drivers/mtd/nand/plat_nand.c
17+++ b/drivers/mtd/nand/plat_nand.c
18@@ -98,7 +98,18 @@ 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+ err = -ENXIO;
25+ goto out;
26+ }
27+
28+ if (pdata->chip.chip_fixup) {
29+ err = pdata->chip.chip_fixup(&data->mtd);
30+ if (err)
31+ goto out;
32+ }
33+
34+ if (nand_scan_tail(&data->mtd)) {
35         err = -ENXIO;
36         goto out;
37     }
38

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