They need several symbols which are in I2C and I2C_MUX, the related error: drivers/built-in.o: In function `selftest_i2c_mux_remove': unittest.c:(.text+0xb0ce4): undefined reference to `i2c_del_mux_adapter' unittest.c:(.text+0xb0ce8): undefined reference to `i2c_del_mux_adapter' drivers/built-in.o: In function `selftest_i2c_mux_probe': unittest.c:(.text+0xb0f20): undefined reference to `i2c_add_mux_adapter' unittest.c:(.text+0xb0f24): undefined reference to `i2c_add_mux_adapter' unittest.c:(.text+0xb0f94): undefined reference to `i2c_del_mux_adapter' unittest.c:(.text+0xb0f9c): undefined reference to `i2c_del_mux_adapter' drivers/built-in.o: In function `selftest_i2c_bus_remove': unittest.c:(.text+0xb10cc): undefined reference to `i2c_del_adapter' unittest.c:(.text+0xb10d4): undefined reference to `i2c_del_adapter' drivers/built-in.o: In function `selftest_i2c_bus_probe': unittest.c:(.text+0xb1298): undefined reference to `i2c_add_numbered_adapter' unittest.c:(.text+0xb12a0): undefined reference to `i2c_add_numbered_adapter' drivers/built-in.o: In function `of_selftest_overlay': unittest.c:(.init.text+0xc9d0): undefined reference to `i2c_register_driver' unittest.c:(.init.text+0xc9dc): undefined reference to `i2c_register_driver' unittest.c:(.init.text+0xcdb4): undefined reference to `i2c_del_driver' unittest.c:(.init.text+0xcdb8): undefined reference to `i2c_del_driver' drivers/built-in.o: In function `of_selftest_device_exists': unittest.c:(.text.unlikely+0xd70): undefined reference to `of_find_i2c_device_by_node' unittest.c:(.text.unlikely+0xd7c): undefined reference to `of_find_i2c_device_by_node' make: *** [vmlinux] Error 1 Signed-off-by: Chen Gang <gang.chen.5i5j@xxxxxxxxx> --- drivers/of/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig index 7bcaeec..b60fc66 100644 --- a/drivers/of/Kconfig +++ b/drivers/of/Kconfig @@ -9,7 +9,7 @@ menu "Device Tree and Open Firmware support" config OF_UNITTEST bool "Device Tree runtime unit tests" - depends on OF_IRQ && OF_EARLY_FLATTREE + depends on OF_IRQ && OF_EARLY_FLATTREE && I2C=y && I2C_MUX=y select OF_RESOLVE help This option builds in test cases for the device tree infrastructure -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
