Having a separate Kconfig option for i2c-smbus makes it possible to build that support as a module even when i2c-core itself is built-in. Bus drivers which implement SMBus alert should select this option, so in most cases this option is hidden and the user doesn't have to care about it. Signed-off-by: Jean Delvare <khali@xxxxxxxxxxxx> Cc: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx> Cc: Trent Piepho <tpiepho@xxxxxxxxxxxxx> --- drivers/i2c/Kconfig | 10 ++++++++++ drivers/i2c/Makefile | 3 ++- 2 files changed, 12 insertions(+), 1 deletion(-) --- linux-2.6.33-rc7.orig/drivers/i2c/Kconfig 2010-02-12 14:20:30.000000000 +0100 +++ linux-2.6.33-rc7/drivers/i2c/Kconfig 2010-02-12 14:20:35.000000000 +0100 @@ -61,6 +61,16 @@ config I2C_HELPER_AUTO In doubt, say Y. +config I2C_SMBUS + tristate "SMBus-specific protocols" if !I2C_HELPER_AUTO + help + Say Y here if you want support for SMBus extensions to the I2C + specification. At the moment, the only supported extension is + the SMBus alert protocol. + + This support is also available as a module. If so, the module + will be called i2c-smbus. + source drivers/i2c/algos/Kconfig source drivers/i2c/busses/Kconfig source drivers/i2c/chips/Kconfig --- linux-2.6.33-rc7.orig/drivers/i2c/Makefile 2010-02-12 14:20:30.000000000 +0100 +++ linux-2.6.33-rc7/drivers/i2c/Makefile 2010-02-12 14:20:35.000000000 +0100 @@ -3,7 +3,8 @@ # obj-$(CONFIG_I2C_BOARDINFO) += i2c-boardinfo.o -obj-$(CONFIG_I2C) += i2c-core.o i2c-smbus.o +obj-$(CONFIG_I2C) += i2c-core.o +obj-$(CONFIG_I2C_SMBUS) += i2c-smbus.o obj-$(CONFIG_I2C_CHARDEV) += i2c-dev.o obj-y += busses/ chips/ algos/ -- Jean Delvare -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
