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authorGabor Juhos <juhosg@openwrt.org>2008-06-06 09:01:33 +0000
committerGabor Juhos <juhosg@openwrt.org>2008-06-06 09:01:33 +0000
commit577ce6c8b529f16e2a962574d5e94844f8c5557f (patch)
tree3fefe7ec2b73e99caab3a8f8c969d30fa62ba1da /target/linux/generic-2.6/patches-2.6.24
parentdb4cd8515c1076aee2517a51e4f57c7f74ae31a5 (diff)
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add a chip_fixup function to the plat_nand driver
SVN-Revision: 11375
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.24')
-rw-r--r--target/linux/generic-2.6/patches-2.6.24/080-mtd_plat_nand_chip_fixup.patch32
1 files changed, 32 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.24/080-mtd_plat_nand_chip_fixup.patch b/target/linux/generic-2.6/patches-2.6.24/080-mtd_plat_nand_chip_fixup.patch
new file mode 100644
index 0000000000..ef885edac3
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.24/080-mtd_plat_nand_chip_fixup.patch
@@ -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
+@@ -70,7 +70,18 @@
+ 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;
+ }