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authorFlorian Boor <florian.boor@kernelconcepts.de>2007-08-09 10:57:03 +0000
committerFlorian Boor <florian.boor@kernelconcepts.de>2007-08-09 10:57:03 +0000
commitb9a30358ae133ede815cbf2c4b31ff1977035e30 (patch)
tree48570a08176de392a718f1712e75379af2e270c1 /packages/uboot/u-boot-mkimage-openmoko-native/nand-badisbad.patch
parent386d4732c8c4b60c60dc671e97d5a667ebb5e140 (diff)
parent58259f5baa7ae15a19edbfb0eb52ecef22467e0f (diff)
merge of '09957ec14fdf3babf0d22d779c7264d24330e535'
and 'c03b12513a0d9faea02ff87386f5cb243f7ece3e'
Diffstat (limited to 'packages/uboot/u-boot-mkimage-openmoko-native/nand-badisbad.patch')
-rw-r--r--packages/uboot/u-boot-mkimage-openmoko-native/nand-badisbad.patch30
1 files changed, 30 insertions, 0 deletions
diff --git a/packages/uboot/u-boot-mkimage-openmoko-native/nand-badisbad.patch b/packages/uboot/u-boot-mkimage-openmoko-native/nand-badisbad.patch
new file mode 100644
index 0000000000..a5800e2499
--- /dev/null
+++ b/packages/uboot/u-boot-mkimage-openmoko-native/nand-badisbad.patch
@@ -0,0 +1,30 @@
+This patch makes nand_block_checkbad check both the BBT and the actual
+OOB data. This avoids accidently passing blocks as good when BBT and
+OOB markers are not synchronized, e.g., before "nand createbbt".
+
+Experimental.
+
+- Werner Almesberger <werner@openmoko.org>
+
+Index: u-boot/drivers/nand/nand_base.c
+===================================================================
+--- u-boot.orig/drivers/nand/nand_base.c
++++ u-boot/drivers/nand/nand_base.c
+@@ -517,11 +517,14 @@ static int nand_block_checkbad (struct m
+ {
+ struct nand_chip *this = mtd->priv;
+
+- if (!this->bbt)
+- return this->block_bad(mtd, ofs, getchip);
++ if (this->block_bad(mtd, ofs, getchip))
++ return 1;
+
+ /* Return info from the table */
+- return nand_isbad_bbt (mtd, ofs, allowbbt);
++ if (this->bbt && nand_isbad_bbt (mtd, ofs, allowbbt))
++ return 1;
++
++ return 0;
+ }
+
+ /**