Commit 765342526246c97600e5344c0949824d94bb51c3 made some small
changes to IPI, message_pass in smp_ops was initialized to NULL
for other platforms but not for 85xx which causes us to always
use the mpic for IPI's. This patch makes doorbells work again.

Signed-off-by: Matthew McClintock <m...@freescale.com>
---
 arch/powerpc/platforms/85xx/smp.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/platforms/85xx/smp.c 
b/arch/powerpc/platforms/85xx/smp.c
index 5b9b901..d6e4746 100644
--- a/arch/powerpc/platforms/85xx/smp.c
+++ b/arch/powerpc/platforms/85xx/smp.c
@@ -243,6 +243,7 @@ void __init mpc85xx_smp_init(void)
                 * If left NULL, .message_pass defaults to
                 * smp_muxed_ipi_message_pass
                 */
+               smp_85xx_ops.message_pass = NULL;
                smp_85xx_ops.cause_ipi = doorbell_cause_ipi;
        }
 
-- 
1.7.6.1


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