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[kernel] add chip_fixup patch of the platform_nand driver to 2.6.26 as well

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11922 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2008-07-25 19:37:29 +00:00
parent bb6048957c
commit e252fb2afe
1 changed files with 32 additions and 0 deletions
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32
target/linux/generic-2.6/patches-2.6.26/080-mtd_plat_nand_chip_fixup.patch Normal file
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@ -0,0 +1,32 @@
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -573,6 +573,7 @@
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
@@ -71,7 +71,18 @@
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;
}