ppc64 kexec mechanism has a different implementation with ppc32.

Signed-off-by: Tiejun Chen <tiejun.c...@windriver.com>
---
 arch/powerpc/platforms/85xx/smp.c |   13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/powerpc/platforms/85xx/smp.c 
b/arch/powerpc/platforms/85xx/smp.c
index 549948a..137ad10 100644
--- a/arch/powerpc/platforms/85xx/smp.c
+++ b/arch/powerpc/platforms/85xx/smp.c
@@ -277,6 +277,7 @@ struct smp_ops_t smp_85xx_ops = {
 };
 
 #ifdef CONFIG_KEXEC
+#ifdef CONFIG_PPC32
 atomic_t kexec_down_cpus = ATOMIC_INIT(0);
 
 void mpc85xx_smp_kexec_cpu_down(int crash_shutdown, int secondary)
@@ -295,6 +296,14 @@ static void mpc85xx_smp_kexec_down(void *arg)
        if (ppc_md.kexec_cpu_down)
                ppc_md.kexec_cpu_down(0,1);
 }
+#else
+void mpc85xx_smp_kexec_cpu_down(int crash_shutdown, int secondary)
+{
+       local_irq_disable();
+       hard_irq_disable();
+       mpic_teardown_this_cpu(secondary);
+}
+#endif
 
 static void map_and_flush(unsigned long paddr)
 {
@@ -346,11 +355,14 @@ static void mpc85xx_smp_flush_dcache_kexec(struct kimage 
*image)
 
 static void mpc85xx_smp_machine_kexec(struct kimage *image)
 {
+#ifdef CONFIG_PPC32
        int timeout = INT_MAX;
        int i, num_cpus = num_present_cpus();
+#endif
 
        mpc85xx_smp_flush_dcache_kexec(image);
 
+#ifdef CONFIG_PPC32
        if (image->type == KEXEC_TYPE_DEFAULT)
                smp_call_function(mpc85xx_smp_kexec_down, NULL, 0);
 
@@ -368,6 +380,7 @@ static void mpc85xx_smp_machine_kexec(struct kimage *image)
                if ( i == smp_processor_id() ) continue;
                mpic_reset_core(i);
        }
+#endif
 
        default_machine_kexec(image);
 }
-- 
1.7.9.5

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