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-rw-r--r--drivers/i2c/Kconfig19
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index 30f06e956bf..7b7ea320a25 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -4,10 +4,9 @@
menuconfig I2C
tristate "I2C support"
- depends on HAS_IOMEM
select RT_MUTEXES
---help---
- I2C (pronounce: I-square-C) is a slow serial bus protocol used in
+ I2C (pronounce: I-squared-C) is a slow serial bus protocol used in
many micro controller applications and developed by Philips. SMBus,
or System Management Bus is a subset of the I2C protocol. More
information is contained in the directory <file:Documentation/i2c/>,
@@ -49,7 +48,7 @@ config I2C_CHARDEV
config I2C_MUX
tristate "I2C bus multiplexing support"
- depends on EXPERIMENTAL
+ depends on HAS_IOMEM
help
Say Y here if you want the I2C core to support the ability to
handle multiplexed I2C bus topologies, by presenting each
@@ -87,6 +86,19 @@ config I2C_SMBUS
source drivers/i2c/algos/Kconfig
source drivers/i2c/busses/Kconfig
+config I2C_STUB
+ tristate "I2C/SMBus Test Stub"
+ depends on m
+ default 'n'
+ help
+ This module may be useful to developers of SMBus client drivers,
+ especially for certain kinds of sensor chips.
+
+ If you do build this module, be sure to read the notes and warnings
+ in <file:Documentation/i2c/i2c-stub>.
+
+ If you don't know what to do here, definitely say N.
+
config I2C_DEBUG_CORE
bool "I2C Core debugging messages"
help
@@ -104,6 +116,7 @@ config I2C_DEBUG_ALGO
config I2C_DEBUG_BUS
bool "I2C Bus debugging messages"
+ depends on HAS_IOMEM
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