* Mohammed, Afzal <afzal@xxxxxx> [130624 01:19]: > Hi Arnd, Tony, > > On Sat, Jun 22, 2013 at 04:52:47, Arnd Bergmann wrote: > > With am43xx enabled, omap4 and omap5 disabled and SMP on, I get these > > build errors: > > Getting AM43x only build with OMAP4/5 disabled was really difficult > with original series itself, I thought finally had got a right > Makefile change handling SMP combinations too, but still :(, my brain > was not big enough to think of multiplatform case :) > > Thanks Arnd for the patch. > > > arch/arm/mach-omap2/built-in.o: In function `scu_gp_set': > > :(.text+0x7858): undefined reference to `omap4_get_scu_base' > > arch/arm/mach-omap2/built-in.o: In function `scu_gp_clear': > > :(.text+0x793c): undefined reference to `omap4_get_scu_base' > > arch/arm/mach-omap2/built-in.o: In function `omap4_cpu_die': > > :(.ref.text+0x44): undefined reference to `omap4_hotplug_cpu' > > > > The easiest way to work around that is to turn on the missing > > functions, even though we know they won't be used on am43xx, > > which is single-CPU. > > This change was giving errors mainly due to unavailable omap4 prcm > functions required by "omap-mpuss-lowpower.c" > > How about the below patch - we don't need to include additional > files with it, or something wrong with it ? This too looks OK to me, sounds like you'll need a separate sleep code anyways. It's probably best that Arnd applies this directly: Acked-by: Tony Lindgren <tony@xxxxxxxxxxx> > ---8<------ > > From: Afzal Mohammed <afzal@xxxxxx> > Date: Mon, 24 Jun 2013 12:41:05 +0530 > Subject: [PATCH] ARM: OMAP2+: AM43x: resolve SMP related build error > > If AM43x and SMP is selected, OMAP4 & OMAP5 deselected, build error as > follows, > > arch/arm/mach-omap2/built-in.o: In function `scu_gp_set': > arch/arm/mach-omap2/sleep44xx.S:131: undefined reference to `omap4_get_scu_base' > arch/arm/mach-omap2/sleep44xx.S:132: undefined reference to `scu_power_mode' > arch/arm/mach-omap2/built-in.o: In function `scu_gp_clear': > arch/arm/mach-omap2/sleep44xx.S:227: undefined reference to `omap4_get_scu_base' > arch/arm/mach-omap2/sleep44xx.S:229: undefined reference to `scu_power_mode' > > Resolve it by building sleep44xx.S only for OMAP4 & OMAP5. > > Signed-off-by: Afzal Mohammed <afzal@xxxxxx> > --- > arch/arm/mach-omap2/Makefile | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile > index 0520dc4..a6c4187 100644 > --- a/arch/arm/mach-omap2/Makefile > +++ b/arch/arm/mach-omap2/Makefile > @@ -35,8 +35,9 @@ obj-$(CONFIG_SOC_HAS_OMAP2_SDRC) += sdrc.o > > smp-$(CONFIG_SMP) += omap-smp.o omap-headsmp.o > smp-$(CONFIG_HOTPLUG_CPU) += omap-hotplug.o > -omap-4-5-common = omap4-common.o omap-wakeupgen.o \ > - sleep44xx.o > +omap-4-5-common = omap4-common.o omap-wakeupgen.o > +obj-$(CONFIG_ARCH_OMAP4) += sleep44xx.o > +obj-$(CONFIG_SOC_OMAP5) += sleep44xx.o > obj-$(CONFIG_ARCH_OMAP4) += $(omap-4-5-common) $(smp-y) > obj-$(CONFIG_SOC_OMAP5) += $(omap-4-5-common) $(smp-y) > obj-$(CONFIG_SOC_AM43XX) += $(omap-4-5-common) > -- > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
