On Thu, 01 Oct 2020, Randy Dunlap wrote: > On 10/1/20 11:32 PM, Lee Jones wrote: > > On Thu, 01 Oct 2020, Randy Dunlap wrote: > > > >> On 10/1/20 4:39 AM, Stephen Rothwell wrote: > >>> Hi all, > >>> > >>> Changes since 20200930: > >>> > >> > >> on x86_64: > >> > >> ld: drivers/mfd/simple-mfd-i2c.o: in function `simple_mfd_i2c_probe': > >> simple-mfd-i2c.c:(.text+0x48): undefined reference to `__devm_regmap_init_i2c' > >> ld: drivers/mfd/simple-mfd-i2c.o: in function `simple_mfd_i2c_driver_init': > >> simple-mfd-i2c.c:(.init.text+0x14): undefined reference to `i2c_register_driver' > >> ld: drivers/mfd/simple-mfd-i2c.o: in function `simple_mfd_i2c_driver_exit': > >> simple-mfd-i2c.c:(.exit.text+0xd): undefined reference to `i2c_del_driver' > >> > >> > >> CONFIG_I2C=m > >> CONFIG_MFD_SIMPLE_MFD_I2C=y > >> CONFIG_MFD_SL28CPLD=y > >> > >> > >> Is linux-next missing the source code for CONFIG_MFD_SL28CPLD? > > > > There isn't any associated source code. It's a virtual symbol. > > > >> The build error is caused by: > >> > >> config MFD_SL28CPLD > >> tristate "Kontron sl28cpld Board Management Controller" > >> select MFD_SIMPLE_MFD_I2C > >> > >> that "select" when "depends on I2C" is absent/missing. > > > > Okay, so CONFIG_MFD_SIMPLE_MFD_I2C needs to depend on I2C too? I made > > the assumption that 'select REGMAP_I2C' would do the right thing. > > "select" never follows any dependency chains, so Yes, the other symbol > needs to depend on I2C also. Makes sense. Will fix, thanks. -- Lee Jones [李琼斯] Senior Technical Lead - Developer Services Linaro.org │ Open source software for Arm SoCs Follow Linaro: Facebook | Twitter | Blog