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powerpc: Export cpu_to_chip_id() to fix build error

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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@linux.vnet.ibm.com>
Cc: Shivaprasad G Bhat <sbhat@linux.vnet.ibm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Guenter Roeck 2013-09-09 18:37:56 -07:00 committed by Benjamin Herrenschmidt
parent 8d7551eb19
commit 256588fda1
1 changed files with 1 additions and 0 deletions
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arch/powerpc/kernel/smp.c
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@ -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)