From: Artem Bityutskiy <artem.bityutskiy@xxxxxxxxxxxxxxx> SX1 board requirese i2c, so select it in Kconfig, otherwise I have the following build error: arch/arm/mach-omap1/board-sx1.c: In function 'sx1_i2c_write_byte': arch/arm/mach-omap1/board-sx1.c:58:2: error: implicit declaration of function 'i2c_get_adapter' [-Werror=implicit-function-declaration] arch/arm/mach-omap1/board-sx1.c:58:7: warning: assignment makes pointer from integer without a cast [enabled by default] arch/arm/mach-omap1/board-sx1.c:67:2: error: implicit declaration of function 'i2c_transfer' [-Werror=implicit-function-declaration] arch/arm/mach-omap1/board-sx1.c:68:2: error: implicit declaration of function 'i2c_put_adapter' [-Werror=implicit-function-declaration] arch/arm/mach-omap1/board-sx1.c: In function 'sx1_i2c_read_byte': arch/arm/mach-omap1/board-sx1.c:82:7: warning: assignment makes pointer from integer without a cast [enabled by default] cc1: some warnings being treated as errors make[1]: *** [arch/arm/mach-omap1/board-sx1.o] Error 1 make: *** [arch/arm/mach-omap1] Error 2 make: *** Waiting for unfinished jobs.... Signed-off-by: Artem Bityutskiy <artem.bityutskiy@xxxxxxxxxxxxxxx> --- arch/arm/mach-omap1/Kconfig | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig index dfab466..cba3f71 100644 --- a/arch/arm/mach-omap1/Kconfig +++ b/arch/arm/mach-omap1/Kconfig @@ -132,6 +132,7 @@ config MACH_OMAP_PALMTT config MACH_SX1 bool "Siemens SX1" + select I2C depends on ARCH_OMAP1 && ARCH_OMAP15XX help Support for the Siemens SX1 phone. To boot the kernel, -- 1.7.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html