Re: [PATCH 33/35] m68k: do not use m68k startup or interrupt code for ColdFire CPU's

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On Fri, Dec 23, 2011 at 04:15,  <gerg@xxxxxxxxxxxx> wrote:
From: Greg Ungerer <gerg@xxxxxxxxxxx>

The ColdFire CPUs have their own startup and interrupt code (in the
platform/coldfire directory), and do not use the general m68k startup
and interrupt code. So if CONFIG_COLDFIRE is true do not compile the
general code for them.

Signed-off-by: Greg Ungerer <gerg@xxxxxxxxxxx>
Acked-by: Matt Waddel <mwaddel@xxxxxxxxx>
Acked-by: Kurt Mahan <kmahan@xxxxxxxxxxxx>
---
 arch/m68k/kernel/Makefile |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/arch/m68k/kernel/Makefile b/arch/m68k/kernel/Makefile
index ea0a396..a327816 100644
--- a/arch/m68k/kernel/Makefile
+++ b/arch/m68k/kernel/Makefile
@@ -4,13 +4,15 @@

 extra-$(CONFIG_MMU)    := head.o
 extra-$(CONFIG_SUN3)   := sun3-head.o
+extra-$(CONFIG_COLDFIRE):=

Why do you need the line above?

 extra-y                        += vmlinux.lds

 obj-y  := entry.o init_task.o irq.o m68k_ksyms.o module.o process.o ptrace.o
 obj-y  += setup.o signal.o sys_m68k.o syscalltable.o time.o traps.o

+ifndef CONFIG_COLDFIRE
 obj-$(CONFIG_MMU)      += ints.o vectors.o
-
+endif

Alternatively:

obj-$(CONFIG_MMU_MOTOROLA) += ints.o vectors.o
obj-$(CONFIG_MMU_SUN3) += ints.o vectors.o

 ifndef CONFIG_MMU_SUN3
 obj-y                  += dma.o
 endif

Hmm, here it's more difficult to get rid of the "ifndef", as there's
no CONFIG_NOMMU.

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
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