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-rw-r--r--block/Kconfig9
-rw-r--r--block/Makefile2
-rw-r--r--block/partitions/Kconfig4
-rw-r--r--block/partitions/cmdline.c8
4 files changed, 14 insertions, 9 deletions
diff --git a/block/Kconfig b/block/Kconfig
index 7f38e40fee081..2429515c05c2e 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 4fa4be544ece9..671a83d063a5b 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 87a32086535d5..9b29a996c3114 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 56cf4ffad51ed..5141b563adf1b 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"
*
*/