4 files changed, 14 insertions, 9 deletions

diff --git a/block/Kconfig b/block/Kconfig
index 7f38e40fee08..2429515c05c2 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -99,11 +99,16 @@ config BLK_DEV_THROTTLING
 
         See Documentation/cgroups/blkio-controller.txt for more information.
 
-config CMDLINE_PARSER
+config BLK_CMDLINE_PARSER
         bool "Block device command line partition parser"
         default n
         ---help---
-        Parsing command line, get the partitions information.
+        Enabling this option allows you to specify the partition layout from
+        the kernel boot args.  This is typically of use for embedded devices
+        which don't otherwise have any standardized method for listing the
+        partitions on a block device.
+
+        See Documentation/block/cmdline-partition.txt for more information.
 
 menu "Partition Types"
 
diff --git a/block/Makefile b/block/Makefile
index 4fa4be544ece..671a83d063a5 100644
--- a/block/Makefile
+++ b/block/Makefile
@@ -18,4 +18,4 @@ obj-$(CONFIG_IOSCHED_CFQ)	+= cfq-iosched.o
 
 obj-$(CONFIG_BLOCK_COMPAT)      += compat_ioctl.o
 obj-$(CONFIG_BLK_DEV_INTEGRITY) += blk-integrity.o
-obj-$(CONFIG_CMDLINE_PARSER)    += cmdline-parser.o
+obj-$(CONFIG_BLK_CMDLINE_PARSER)        += cmdline-parser.o
diff --git a/block/partitions/Kconfig b/block/partitions/Kconfig
index 87a32086535d..9b29a996c311 100644
--- a/block/partitions/Kconfig
+++ b/block/partitions/Kconfig
@@ -263,7 +263,7 @@ config SYSV68_PARTITION
 
 config CMDLINE_PARTITION
         bool "Command line partition support" if PARTITION_ADVANCED
-        select CMDLINE_PARSER
+        select BLK_CMDLINE_PARSER
         help
-          Say Y here if you would read the partitions table from bootargs.
+          Say Y here if you want to read the partition table from bootargs.
           The format for the command line is just like mtdparts.
diff --git a/block/partitions/cmdline.c b/block/partitions/cmdline.c
index 56cf4ffad51e..5141b563adf1 100644
--- a/block/partitions/cmdline.c
+++ b/block/partitions/cmdline.c
@@ -2,15 +2,15 @@
  * Copyright (C) 2013 HUAWEI
  * Author: Cai Zhiyong <caizhiyong@huawei.com>
  *
- * Read block device partition table from command line.
- * The partition used for fixed block device (eMMC) embedded device.
- * It is no MBR, save storage space. Bootloader can be easily accessed
+ * Read block device partition table from the command line.
+ * Typically used for fixed block (eMMC) embedded devices.
+ * It has no MBR, so saves storage space. Bootloader can be easily accessed
  * by absolute address of data on the block device.
  * Users can easily change the partition.
  *
  * The format for the command line is just like mtdparts.
  *
- * Verbose config please reference "Documentation/block/cmdline-partition.txt"
+ * For further information, see "Documentation/block/cmdline-partition.txt"
  *
  */