X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fi2c%2FKconfig;h=711ca08ab7762ab19f6516c9a5ba24bedcf54c4e;hb=69d177c2fc702d402b17fdca2190d5a7e3ca55c5;hp=74c8518b69e7134410a8e8ee1c4defb7b5ffd7e5;hpb=9c1600eda42e52796f49b36cf15b9debcfd09bea;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index 74c8518b69e..711ca08ab77 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -2,10 +2,9 @@
 # I2C subsystem configuration
 #
 
-menu "I2C support"
-
-config I2C
+menuconfig I2C
 	tristate "I2C support"
+	depends on HAS_IOMEM
 	---help---
 	  I2C (pronounce: I-square-C) is a slow serial bus protocol used in
 	  many micro controller applications and developed by Philips.  SMBus,
@@ -22,14 +21,14 @@ config I2C
 	  This I2C support can also be built as a module.  If so, the module
 	  will be called i2c-core.
 
+if I2C
+
 config I2C_BOARDINFO
 	boolean
-	depends on I2C
 	default y
 
 config I2C_CHARDEV
 	tristate "I2C device interface"
-	depends on I2C
 	help
 	  Say Y here to use i2c-* device files, usually found in the /dev
 	  directory on your system.  They make it possible to have user-space
@@ -39,13 +38,26 @@ config I2C_CHARDEV
 	  This support is also available as a module.  If so, the module 
 	  will be called i2c-dev.
 
+config I2C_HELPER_AUTO
+	bool "Autoselect pertinent helper modules"
+	default y
+	help
+	  Some I2C bus drivers require so-called "I2C algorithm" modules
+	  to work. These are basically software-only abstractions of generic
+	  I2C interfaces. This option will autoselect them so that you don't
+	  have to care.
+
+	  Unselect this only if you need to enable additional helper
+	  modules, for example for use with external I2C bus drivers.
+
+	  In doubt, say Y.
+
 source drivers/i2c/algos/Kconfig
 source drivers/i2c/busses/Kconfig
 source drivers/i2c/chips/Kconfig
 
 config I2C_DEBUG_CORE
 	bool "I2C Core debugging messages"
-	depends on I2C
 	help
 	  Say Y here if you want the I2C core to produce a bunch of debug
 	  messages to the system log.  Select this if you are having a
@@ -53,7 +65,6 @@ config I2C_DEBUG_CORE
 
 config I2C_DEBUG_ALGO
 	bool "I2C Algorithm debugging messages"
-	depends on I2C
 	help
 	  Say Y here if you want the I2C algorithm drivers to produce a bunch
 	  of debug messages to the system log.  Select this if you are having
@@ -62,7 +73,6 @@ config I2C_DEBUG_ALGO
 
 config I2C_DEBUG_BUS
 	bool "I2C Bus debugging messages"
-	depends on I2C
 	help
 	  Say Y here if you want the I2C bus drivers to produce a bunch of
 	  debug messages to the system log.  Select this if you are having
@@ -71,12 +81,10 @@ config I2C_DEBUG_BUS
 
 config I2C_DEBUG_CHIP
 	bool "I2C Chip debugging messages"
-	depends on I2C
 	help
 	  Say Y here if you want the I2C chip drivers to produce a bunch of
 	  debug messages to the system log.  Select this if you are having
 	  a problem with I2C support and want to see more of what is going
 	  on.
 
-endmenu
-
+endif # I2C