On Wed, Jul 21, 2021 at 6:13 PM Arnd Bergmann <arnd@xxxxxxxxxx> wrote: > > From: Arnd Bergmann <arnd@xxxxxxxx> > > With CONFIG_SPI=y and CONFIG_I2C=m, building fxls8962af into vmlinux > causes a link error against the I2C module: > > aarch64-linux-ld: drivers/iio/accel/fxls8962af-core.o: in function `fxls8962af_fifo_flush': > fxls8962af-core.c:(.text+0x3a0): undefined reference to `i2c_verify_client' > > Work around it by adding a Kconfig dependency that forces the SPI driver > to be a loadable module whenever I2C is a module. ... > config FXLS8962AF > tristate > + depends on I2C || !I2C # cannot be built-in for modular I2C Can you enlighten me how this will not be a no-op? -- With Best Regards, Andy Shevchenko