On 7/5/21 3:57 PM, Eugen Hristev wrote: > Building VIDEO_ATMEL_ISC as module and VIDEO_ATMEL_XISC as built-in > (or viceversa) causes build errors: > > or1k-linux-ld: drivers/media/platform/atmel/atmel-isc-base.o: in function `isc_async_complete': > atmel-isc-base.c:(.text+0x40d0): undefined reference to `__this_module' > or1k-linux-ld: atmel-isc-base.c:(.text+0x40f0): undefined reference to `__this_module' > or1k-linux-ld: drivers/media/platform/atmel/atmel-isc-base.o:(.rodata+0x390): undefined reference to `__this_module' > or1k-linux-ld: drivers/media/platform/atmel/atmel-isc-base.o:(__param+0x4): undefined reference to `__this_module' > or1k-linux-ld: drivers/media/platform/atmel/atmel-isc-base.o:(__param+0x18): undefined reference to `__this_module' > > This is caused by the file atmel-isc-base.c which is common code between > the two drivers. > > The solution is to create another Kconfig symbol that is automatically > selected and generates the module atmel-isc-base.ko. This module can be > loaded when both drivers are modules, or built-in when at least one of them > is built-in. > > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Fixes: c9aa973884a1 ("media: atmel: atmel-isc: add microchip-xisc driver") > Signed-off-by: Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx> > --- Hello Hans, This build problem is causing plenty of robot reports and issues in current 5.14 tree, also Arnd has sent a similar patch after mine was sent. Could you have a look please such that we fix this for 5.14 ? Thanks, Eugen