[PATCH] Add Kconfig option to enable NAND bad-block-table support for s3c2410

This patch adds a new CONFIG_MTD_NAND_S3C2410_BBT which, if enabled,
asks the mtd NAND core to use a bad-block table.

Signed-off-by: Harald Welte <laforge@openmoko.org>

Index: linux-2.6/drivers/mtd/nand/s3c2410.c
===================================================================
--- linux-2.6.orig/drivers/mtd/nand/s3c2410.c
+++ linux-2.6/drivers/mtd/nand/s3c2410.c
@@ -612,9 +612,13 @@
 	chip->select_chip  = s3c2410_nand_select_chip;
 	chip->chip_delay   = 50;
 	chip->priv	   = nmtd;
-	chip->options	   = 0;
 	chip->controller   = &info->controller;
 
+	if (set->flags & S3C2410_NAND_BBT)
+		chip->options	   = NAND_USE_FLASH_BBT;
+	else
+		chip->options	   = 0;
+
 	switch (info->cpu_type) {
 	case TYPE_S3C2410:
 		chip->IO_ADDR_W = regs + S3C2410_NFDATA;
Index: linux-2.6/include/asm-arm/plat-s3c/nand.h
===================================================================
--- linux-2.6.orig/include/asm-arm/plat-s3c/nand.h
+++ linux-2.6/include/asm-arm/plat-s3c/nand.h
@@ -21,9 +21,12 @@
  * partitions	 = mtd partition list
 */
 
+#define S3C2410_NAND_BBT	0x0001
+
 struct s3c2410_nand_set {
 	int			nr_chips;
 	int			nr_partitions;
+	unsigned int		flags;
 	char			*name;
 	int			*nr_map;
 	struct mtd_partition	*partitions;