[PATCH] powerpc: Export cpu_to_chip_id() to fix build error

[Guenter Roeck]

powerpc allmodconfig build fails with:

ERROR: ".cpu_to_chip_id" [drivers/block/mtip32xx/mtip32xx.ko] undefined!

The problem was introduced with commit 15863ff3b (powerpc: Make chip-id
information available to userspace).

Export the missing symbol.

Cc: Vasant Hegde <hegdevasant@xxxxxxxxxxxxxxxxxx>
Cc: Shivaprasad G Bhat <sbhat@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
 arch/powerpc/kernel/smp.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 442d8e2..8e59abc 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -611,6 +611,7 @@ int cpu_to_chip_id(int cpu)
 	of_node_put(np);
 	return of_get_ibm_chip_id(np);
 }
+EXPORT_SYMBOL(cpu_to_chip_id);
 
 /* Helper routines for cpu to core mapping */
 int cpu_core_index_of_thread(int cpu)
-- 
1.7.9.7

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