On Tue, 25 Sep 2018, Leonardo Bras wrote: > Avoids building driver if 'make drivers/nubus/' is called and > CONFIG_NUBUS is disabled. > Avoids building proc.o if CONFIG_PROC_FS is enabled but > CONFIG_NUBUS is disabled. > > Signed-off-by: Leonardo Bras <leobras.c@xxxxxxxxx> > --- > drivers/nubus/Makefile | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/nubus/Makefile b/drivers/nubus/Makefile > index 6d063cde39d1..827301c4a84f 100644 > --- a/drivers/nubus/Makefile > +++ b/drivers/nubus/Makefile > @@ -2,6 +2,6 @@ > # Makefile for the nubus specific drivers. > # > > -obj-y := nubus.o bus.o > - > -obj-$(CONFIG_PROC_FS) += proc.o > +obj-$(CONFIG_NUBUS) := nubus.o > +nubus-y := bus.o > +nubus-$(CONFIG_PROC_FS) += proc.o > Did you build this for m68k? It doesn't link for me. MODPOST vmlinux.o drivers/nubus/bus.o: In function `nubus_device_release': bus.c:(.text+0xd0): undefined reference to `nubus_func_rsrcs' bus.c:(.text+0xe0): undefined reference to `nubus_func_rsrcs' bus.c:(.text+0x118): undefined reference to `nubus_func_rsrcs' bus.c:(.text+0xc2): undefined reference to `nubus_func_rsrcs' drivers/nubus/proc.o: In function `nubus_devices_proc_show': proc.c:(.text+0xa): undefined reference to `nubus_first_rsrc_or_null' proc.c:(.text+0x1c): undefined reference to `nubus_next_rsrc_or_null' drivers/nubus/proc.o: In function `nubus_proc_rsrc_show': proc.c:(.text+0x190): undefined reference to `nubus_seq_write_rsrc_mem' drivers/nubus/proc.o: In function `nubus_proc_add_rsrc_mem': proc.c:(.text+0x24c): undefined reference to `nubus_dirptr' Patch 4/7 (drivers/zorro) also causes 'undefined reference' errors. I didn't test the others. --