mtd: add MTD_MLCNANDFLASH case for mtd_type_show()

The current mtd_type_show() misses the MTD_MLCNANDFLASH case.
This patch adds the case for it, and also updates the ABI.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

2 files changed, 4 insertions, 1 deletions

diff --git a/Documentation/ABI/testing/sysfs-class-mtd b/Documentation/ABI/testing/sysfs-class-mtd
index bfd119ace6ad..1399bb2da3eb 100644
--- a/Documentation/ABI/testing/sysfs-class-mtd
+++ b/Documentation/ABI/testing/sysfs-class-mtd
@@ -104,7 +104,7 @@ Description:
                 One of the following ASCII strings, representing the device
                 type:
 
-                absent, ram, rom, nor, nand, dataflash, ubi, unknown
+                absent, ram, rom, nor, nand, mlc-nand, dataflash, ubi, unknown
 
 What:           /sys/class/mtd/mtdX/writesize
 Date:           April 2009
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index d813c6c6b362..e5f17b3e0ed5 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -157,6 +157,9 @@ static ssize_t mtd_type_show(struct device *dev,
         case MTD_UBIVOLUME:
                 type = "ubi";
                 break;
+        case MTD_MLCNANDFLASH:
+                type = "mlc-nand";
+                break;
         default:
                 type = "unknown";
         }