Re: [PATCH] 2.6.19-rc1: Fix build breakage with CONFIG_PPC32

[Srinivasa Ds <srinivasa@in.ibm.com>]

Paul Mackerras wrote:
> Srinivasa Ds writes:
>
>   
> > arch/powerpc/platforms/built-in.o: In function `flush_disable_caches':
> > (.text+0x96d4): undefined reference to `low_cpu_die'
> > ======================================================
> > low_cpu_die() is defined under  CONFIG_PM || CONFIG_CPU_FREQ_PMAC  
> > options ,but while calling this function ,no care has been to taken to 
> > check these options. So please apply this fix,which solves the problem.
> >     
>
> Nack.  The correct fix is to adjust the ifdefs in sleep.S to make
> low_cpu_die available.  Otherwise it won't be possible to off-line
> CPUs properly.
>   
So resending the patch, by adjusting ifdefs in sleep.S
Signed-off-by: Srinivasa DS <srinivasa@in.ibm.com>

> Paul.
>   

---
 arch/powerpc/platforms/powermac/sleep.S |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6.19-rc2/arch/powerpc/platforms/powermac/sleep.S
===================================================================
--- linux-2.6.19-rc2.orig/arch/powerpc/platforms/powermac/sleep.S
+++ linux-2.6.19-rc2/arch/powerpc/platforms/powermac/sleep.S
@@ -45,7 +45,7 @@
 	.section .text
 	.align	5
 
-#if defined(CONFIG_PM) || defined(CONFIG_CPU_FREQ_PMAC)
+#if defined(CONFIG_PM) || defined(CONFIG_CPU_FREQ_PMAC) || (defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC32))
 
 /* This gets called by via-pmu.c late during the sleep process.
  * The PMU was already send the sleep command and will shut us down