1
0
mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-12-11 21:12:28 +02:00
openwrt-xburst/target/linux/generic/patches-2.6.36/080-mtd_plat_nand_chip_fixup.patch
acoul b74489d910 linux/generic: refresh 2.6.36 kernel patches
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23237 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-10-05 08:50:54 +00:00

38 lines
986 B
Diff

---
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
@@ -510,6 +510,7 @@ struct platform_nand_chip {
int chip_delay;
unsigned int options;
const char **part_probe_types;
+ int (*chip_fixup)(struct mtd_info *mtd);
void (*set_parts)(uint64_t size,
struct platform_nand_chip *chip);
void *priv;
--- a/drivers/mtd/nand/plat_nand.c
+++ b/drivers/mtd/nand/plat_nand.c
@@ -96,7 +96,18 @@ static int __devinit plat_nand_probe(str
}
/* Scan to find existance of the device */
- if (nand_scan(&data->mtd, pdata->chip.nr_chips)) {
+ if (nand_scan_ident(&data->mtd, pdata->chip.nr_chips, NULL)) {
+ res = -ENXIO;
+ goto out;
+ }
+
+ if (pdata->chip.chip_fixup) {
+ res = pdata->chip.chip_fixup(&data->mtd);
+ if (res)
+ goto out;
+ }
+
+ if (nand_scan_tail(&data->mtd)) {
err = -ENXIO;
goto out;
}