mtd: omap: adding DMA mode support in nand prefetch/post-write

This patch adds DMA mode support for nand prefetch/post-write engine.

Signed-off-by: Vimal Singh <vimalsingh@ti.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 7dab79caed44..2c9a0ed4aed8 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -88,6 +88,15 @@ config MTD_NAND_OMAP_PREFETCH
          The NAND device can be accessed for Read/Write using GPMC PREFETCH engine
          to improve the performance.
 
+config MTD_NAND_OMAP_PREFETCH_DMA
+        depends on MTD_NAND_OMAP_PREFETCH
+        bool "DMA mode"
+        default n
+        help
+         The GPMC PREFETCH engine can be configured eigther in MPU interrupt mode
+         or in DMA interrupt mode.
+         Say y for DMA mode or MPU mode will be used
+
 config MTD_NAND_TS7250
         tristate "NAND Flash device on TS-7250 board"
         depends on MACH_TS72XX