mtd: nand: pxa3xx: Add bad block handling

Add support for flash-based bad block table using Marvell's
custom in-flash bad block table layout. The support is enabled
a 'flash_bbt' platform data or device tree parameter.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Tested-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/platform_data/mtd-nand-pxa3xx.h b/include/linux/platform_data/mtd-nand-pxa3xx.h
index ffb801998e5d..a94147124929 100644
--- a/include/linux/platform_data/mtd-nand-pxa3xx.h
+++ b/include/linux/platform_data/mtd-nand-pxa3xx.h
@@ -55,6 +55,9 @@ struct pxa3xx_nand_platform_data {
         /* indicate how many chip selects will be used */
         int     num_cs;
 
+        /* use an flash-based bad block table */
+        bool    flash_bbt;
+
         const struct mtd_partition              *parts[NUM_CHIP_SELECT];
         unsigned int                            nr_parts[NUM_CHIP_SELECT];