Openwrt/target/linux/generic-2.6/patches-2.6.24/080-mtd_plat_nand_chip_fixup.patch
Gabor Juhos 09de82989a generic-2.6/2.6.24: refresh patches
SVN-Revision: 14450
2009-02-08 19:16:45 +00:00

33 lines
758 B
Diff

--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -573,6 +573,7 @@ struct platform_nand_chip {
int chip_delay;
unsigned int options;
const char **part_probe_types;
+ int (*chip_fixup)(struct mtd_info *mtd);
void *priv;
};
--- a/drivers/mtd/nand/plat_nand.c
+++ b/drivers/mtd/nand/plat_nand.c
@@ -70,7 +70,18 @@ static int __init plat_nand_probe(struct
platform_set_drvdata(pdev, data);
/* Scan to find existance of the device */
- if (nand_scan(&data->mtd, 1)) {
+ if (nand_scan_ident(&data->mtd, 1)) {
+ 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)) {
res = -ENXIO;
goto out;
}