On Wed, Mar 4, 2015 at 7:37 AM, Chen Gang <xili_gchen_5257@xxxxxxxxxxx> wrote: > 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" As this is "bool"... > - depends on OF_IRQ && OF_EARLY_FLATTREE > + depends on OF_IRQ && OF_EARLY_FLATTREE && I2C=y && I2C_MUX=y ... I think it would be better to replace "#if IS_ENABLED(CONFIG_XXX)" by "#ifdef CONFIG_XXX" in drivers/of/unittest.c instead. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- 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